Cisco Exploration CCNA - All Version - Free All

1. A PC can not connect to any remote websites, ping its default gateway, or ping a printer that is functioning properly on the local network segment. Which action will verify that the TCP/IP stack is functioning correctly on this PC?

--> Use the ping 127.0.0.1 command at the command prompt.


2. Refer to the exhibit. Which set of devices contains only intermediary devices?

--> A, B, D, G

3. Refer to the exhibit. When computer A sends a frame to computer D, what computers receive the frame?

--> only computer D






4. Which password is automatically encrypted when it is created?

--> enable secret

5. Which three statements characterize the transport layer protocols? (Choose three.)

--> TCP and UDP port numbers are used by application layer protocols.

--> TCP uses windowing and sequencing to provide reliable transfer of data.

--> TCP is a connection-oriented protocol. UDP is a connectionless protocol.


6. Which type of media is immune to EMI and RFI? (Choose two.)

--> 100 Base-FX

--> 1000 Base LX


7. Refer to the exhibit. A technician is working on a network problem that requires verification of the router LAN interface. What address should be pinged from this host to confirm that the router interface is operational?

--> 192.168.254.1


8. Refer to the exhibit. The diagram represents the process of sending email between clients.
Select the list below that correctly identifies the component or protocol used at each numbered stage of the diagram.

--> 1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA

9. Refer to the exhibit. What function does router RT_A need to provide to allow Internet access for hosts in this network?

--> address translation

10. Refer to the exhibit. The network containing router B is experiencing problems. A network associate has isolated the issue in this network to router B? What action can be preformed to correct the network issue?

--> issue the no shutdown command on interface FastEthernet 0/1


11. Which three IPv4 addresses represent a broadcast for a subnet? (Choose three.)

--> 172.16.4.63 /26

--> 172.16.4.191 /26

--> 172.16.4.95 /27


12. What are three characteristics of CSMA/CD? (Choose three.)

--> A device listens and waits until the media is not busy before transmitting.

--> All of the devices on a segment see data that passes on the network medium.

--> After detecting a collision, hosts can attempt to resume transmission after a random time delay has expired.

13. In a Cisco IOS device, where is the startup-configuration file stored?

--> NVRAM

14. A routing issue has occurred in you internetwork. Which of the following type of devices should be examined to isolate this error?

--> router


15. Which OSI layer protocol does IP rely on to determine whether packets have been lost and to request retransmission?

--> transport


16. Due to a security violation, the router passwords must be changed. What information can be learned from the following configuration entries? (Choose two.)

--> The entries specify four Telnet lines for remote access.
The entries set the console and Telnet password to "c13c0".
Telnet access will be denied because the Telnet configuration is incomplete.
--> Access will be permitted for Telnet using "c13c0" as the password.

17. Which prompt represents the appropriate mode used for the copy running-config startup-config command ?

--> Switch-6J#


18. Which combination of network id and subnet mask correctly identifies all IP addresses from 172.16.128.0 through 172.16.159.255?

--> 172.16.128.0 255.255.224.0

19. When must a router serial interface be configured with the clock rate command?

--> when the interface is functioning as a DCE device

20. When connectionless protocols are implemented at the lower layers of the OSI model, what are usually used to acknowledge the data receipt and request the retransmission of missing data?

--> upper-layer connection-oriented protocols


21. A technician is asked to secure the privileged EXEC mode of a switch by requiring a password. Which type of password would require this login and be considered the most
secure?

--> enable secret


22. Refer to the exhibit. What is required on host A for a network technician to create the initial configuration on RouterA?

--> a terminal emulation program


23. Refer to the exhibit. A network administrator remotely accesses the CLI of RouterB from PC1. Which two statements are true about the application layer protocol that is used to make this connection? (Choose two.)

-->The connection type is called a VTY session.

--> The application name is the same for the service, protocol, and client.


24. The Layer 4 header contains which type of information to aid in the delivery of data?

--> service port number


25. Refer to the exhibit. What two facts can be determined about the exhibited topology? (Choose two.)

--> A single broadcast domain is present

--> Five collision domains exist.


26. Refer to the exhibit. A network technician is trying to determine the correct IP address configuration for Host A. What is a valid configuration for Host A?

--> IP address: 192.168.100.20; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100.17


27. Refer to the exhibit. Cable 1 and cable 2 have the ends wired for specific physical layer requirements. The table lists each segment by number and the cable which has been installed by the network technician between the network components on that segment. From the data
given, which segments have the correct cable installed? (Choose three.)


--> segment1

--> segment3

--> segment4


28. What is true regarding network layer addressing? (Choose three.)

--> uses a flat structure

--> uniquely identifies each host

--> contains a network portion


29. Refer to the exhibit. A router, whose table is shown, receives a packet that is destined for 192.168.1.4. How will router treat the packet?


--> The packet will be forwarded to the destination host.



30. Refer to the exhibit. Which two statements describe the information that is represented in the header? (Choose two.)


--> The destination port indicates a Telnet session.

--> The return segment will contain a source port of 23.



31. Refer to the exhibit. What is the correct destination socket number for a web page request from Host A to the web server?


--> 198.133.219.25:80
http://www.cisco.com


32. During the encapsulation process, which identifiers are added at the transport layer?


--> two applications communicating the data



33. Refer to the exhibit. A student has wired each end of a CAT 5e cable as shown. What is the result? (Choose two.)


--> The cable is suitable for use as a Fast Ethernet crossover.

--> The cable is suitable for use between two 100 Mbps Auto-MDIX capable switches.


34. Refer to the exhibit. Assume all devices are using default configurations. How many subnets are required to address the topology that is shown?


--> 3



35. Refer to the exhibit. On the basis of the IP configuration that is shown, what is the reason that Host A and Host B are unable to communicate outside the local network?


--> The gateway address was assigned a broadcast address.



36. Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different devices?

--> Connection 1 - straight-through cable , Connection 2 - crossover cable , Connection 3 - straight-through cable



37. Refer to the exhibit. What does the IP address 192.168.33.2 represent?

--> The host's primary domain name server.



38. Refer to the exhibit. What two facts can be determined from the information that is given? (Choose two.)


--> The destination port indicates that an HTTP session has been initiated.

--> The data listed is associated with the transport layer.


39. Which of the following are the address ranges of the private IP addresses? (Choose three.)

--> 10.0.0.0 to 10.255.255.255

--> 172.16.0.0 to 172.31.255.255

--> 192.168.0.0 to 192.168.255.255



40. Which two functions of the OSI model occur at layer two? (Choose two.)


--> physical addressing

--> media access control



41. Which range of port numbers are reserved for services that are commonly used by applications that run on servers?

--> 0 to 1023


42. As network administrator, what is the subnet mask that allows 510 hosts given the IP address 172.30.0.0?


--> 255.255.254.0



43. Refer to the exhibit. The tracert command is initiated from PC1 to the destination PC4. Which device will send a response to the initial packet from PC1?


--> Athens


44. Refer to the exhibit. Host A is transmitting data to host B. What addresses will host A use to for the destination IP and MAC addresses in this communication?


--> Destination MAC: EEEE:EEEE:EEEE Destination IP: 172.22.0.75


45. Refer to the exhibit. Which logical topology best describes the exhibited network?


--> star


46. Examine the graphic with current configurations. Host A in the Clerical offices failed and was replaced. Although a ping to 127.0.0.1 was successful, the replacement computer can not access the company network. What is the likely cause of the problem?


--> subnet mask incorrectly entered



47. Refer to the exhibit. With the router running NAT, what IP addresses can be applied to the computer to allow access to the Internet? (Choose three.)


--> 192.168.18.49

--> 192.168.18.52

-->192.168.18.59



48. Refer to the exhibit. What three statements are true about the IP configuration that is shown? (Choose three.)



--> The address that is assigned to the computer represents private addressing.

--> The computer is unable to communicate outside of the local network.

--> The prefix of the computer address is /27.



49. Refer to the exhibit. Host A attempts to establish a TCP/IP session with host C. During this attempt, a frame was captured with the source MAC address 0050.7320.D632 and the destination MAC address 0030.8517.44C4. The packet inside the captured frame has an IP source address 192.168.7.5, and the destination IP address is 192.168.219.24. At which point in the network was this packet captured?

--> leaving Dallas


50. Which of the following OSI layers offers reliable, connection-oriented data communication services?


--> transport

1.
Refer to the exhibit. Host A attempts to establish a TSP/IP session with host C. During this attempt, a frame was captured at the FastEthernet interface fa0/1 of router Y. The packet inside the captured frame has the IP source address 172.16.1.5 and the destination IP address is 172.16.7.24 . What is the source MAC address of the frame at the time of capture?


0040.8596.DE82


**0060.7320.B826



060.7320.D632


0010.4F74.AC09


0040.8596.DE81


2.

Refer to the exhibit. An employee wants to access the organization intranet from home. Which intermediary device should be used to connect the organization intranet to the Internet to enable this access?

hub
switch
**router
wireless access point


3.
Refer to the exhibit. The host was disconnected from switch 2 and connected to switch 1. Which combination of IP address, subnet mask, and default gateway should be assigned to this host to allow it to function in the network?
IP address: 10.10.9.37 Subnet mask: 255.255.255.240 Default gateway: 10.10.9.35
**IP address: 10.10.9.37 Subnet mask: 255.255.255.224 Default gateway: 10.10.9.35
IP address: 10.10.9.29 Subnet mask: 255.255.255.248 Default gateway: 10.10.9.35
IP address: 10.10.9.32 Subnet mask: 255.255.255.224 Default gateway: 10.10.9.35
IP address: 10.10.9.37 Subnet mask: 255.255.255.224 Default gateway: 196.1.105.6
IP address: 10.10.9.63 Subnet mask: 255.255.255.224 Default gateway: 10.10.9.35


4. Which range of port numbers is assigned dynamically to client applications when initiating a connection to the server?
0 to 255
**49152 to 65535
1024 to 49151
0 to 1023


5.

Refer to the exhibit. The diagram represents the process of sending e-mail between clients. Which list correctly identifies the component or protocol used at each numbered stage of the diagram?
1.MUA 2.MDA 3.MTA 4.SMTP 5.MTA 6.POP 7.MDA 8.MUA
1.MUA 2.POP 3.MDA 4.SMTP 5.MTA 6.MDA 7.SMTP 8.MUA
1.MUA 2.POP 3.SMTP 4.MDA 5.MTA 6.SMTP 7.POP 8.MUA
**1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA


6. Refer to the exhibit. While configuring a network, a technician wired each end of a Category 5e cable as shown. Which two statements are true about this setup? (Choose two.)
**The cable is suitable for connecting a switch to a router Ethernet port.
**The cable is suitable for connecting dissimilar types of devices.
The cable is unusable and must be rewired.
The cable is terminated in a way that the transmit pin is wired to the receive pin.
The cable simulates a point-to-point WAN link.


7. Refer to the exhibit. Which two facts can be determined about the topology? (Choose two.)
**Four collision domains are present.
One logical network is represented.
**Two broadcast domains are present.
Three networks are needed.
Three logical address ranges are required.


8.
Refer to exhibit. A technician uses the nslookup command on the PC and views the output that is displayed in the exhibit. What is the IP address of the primary domain name server used by the host?

**10.10.10.32
192.168.1.5
192.168.1.99
192.168.2.100


9. Which subnet mask will allow 2040 hosts per subnet on the IP network 10.0.0.0?
255.255.0.0
255.255.254.0
255.255.252.0
**255.255.248.0
255.255.240.0
255.255.255.128


10. Which three addresses belong to the category of private IP addresses? (Choose three.)
**10.0.0.1
127.0.0.1
150.0.0.1
**172.16.0.1
**192.168.0.1
200.100.50.1


11.
Refer to the exhibit. Host A is transmitting data to host B. Which address combination will be used as the data leaves the Router1 Fa0/1 interface?
Destination IP: 192.168.72.2 Source MAC: 0007.C2B4.3421
**Destination IP: 192.168.10.4 Source MAC: 0030.8596.DE81
Destination IP: 192.168.10.4 Source MAC: 0007.C2B4.3421
Destination IP: 192.168.72.2 Source MAC: 0030.8596.DE81


12. Which memory contents will change as a result of using the Router# erase startup-config command on a router?
RAM
ROM
flash
**NVRAM


13. What are two characteristics of the data link layer? (Choose two.)
**It segments and reorders the data.
It exchanges the frames between nodes.
**It defines the method by which network devices place data onto the media.
It manages the transfer of data between the processes that run on each host.
It retrieves signals from the media and restores them to their bit representations.
14. Refer to the exhibit. The NAT functionality of the router is enabled to provide the PC with Internet access. Which IP address can be assigned to router interface Fa0/0?
10.0.0.1
172.16.1.1
**209.165.201.1
192.168.1.1


15.
Refer to the exhibit. A user wants to access the Internet from the PC. A part of the running configuration of the router is shown. Which default gateway IP address should be configured at the PC to enable this access?
10.1.192.2
10.1.192.54
**10.1.192.1
192.31.7.1


16. Refer to the exhibit. A network technician wants to connect host A to the console of a Cisco switch to initialize the configuration. What type of cable is required for this connection?
straight-through cable
crossover cable
**rollover cable
serial cable


17. A network administrator wants to restrict access to the router privileged EXEC mode. Which password should the administrator use?
**enable
aux
console
VTY


18. What are three characteristics of CSMA/CD? (Choose three.)
**Devices listen to the media and transmit data only when they cannot detect another signal on the media.
**All devices on the media can hear all communications.
Devices communicate based on a configured priority.
After a collision occurs, the devices that caused the collision have first priority when attempting to retransmit.
**When a collision occurs, all devices stop transmitting for a randomly generated period of time.
CSMA/CD uses a token system to avoid collisions.


19. Refer to the exhibit. The router of the company failed and was replaced. After the replacement, hosts C and D in the Education office are able to ping each other, but they are unable to access the hosts in the Accounts office. What is the likely cause of the problem?
The IP address at the fa0/0 interface of the router is incorrectly configured.
**The subnet mask at the fa0/1 interface of the router is incorrectly entered.
The IP address at the serial interface of the router is incorrectly configured.
The hosts in the Accounts office are not on the same subnet as the hosts in the Education office.


20. Refer to the exhibit. Host A and B are unable to communicate with each other. What is the reason for this?
Host A is assigned a network address.
Host B is assigned a multicast address.
Host A and host B belong to different networks.
**The gateway addresses are network addresses.


21. Refer to the exhibit. A user wants to view the current configuration. The output of the ipconfig/all command is displayed in the exhibit. What three facts can be determined from the output? (Choose three.)
The IP address is obtained from the DHCP server.
**This PC cannot communicate with other networks.
**The network can have 14 hosts.
The prefix of the computer address is /25.
The IP address is routable on the Internet.
**The assigned address is a private address.


22. Which two types of media can provide bandwidth up to 1 Gb/s? (Choose two.)
10 BASE-T
100 BASE-T
100 BASE-FX
**1000 BASE-TX
**1000 BASE-SX


23. Refer to the exhibit. RouterB is configured properly.
The Ethernet interface Fa0/0 of RouterA is configured with the use of the commands that are shown However, a ping from the Fa0/0 interface of RouterA to the Fa0/0 interface of RouterB is unsuccessful. What action should be taken on RouterA to solve this problem?
Use the description command on the FastEthernet interface Fa0/0.
Configure the clock rate of the FastEthernet interface Fa0/0.
**Use the no shutdown command on the FastEthernet interface Fa0/0.
Reboot the router.


24. Refer to the exhibit. Host A wants to connect to host B on a different network. Which three IP addresses can be assigned to host A to enable this connectivity? (Choose three.)
172.16.11.36
172.16.11.95
**172.16.11.88
**172.16.11.70
172.16.11.64
**172.16.11.67


25. Refer to the exhibit. Host A wants to access e-mail. Which destination socket number will be used to communicate this request?
10.10.1.2:53
0007.A7B8.0008:25
10.10.1.3:23
**10.10.1.3:25


26. A network administrator uses the copy startup-config running-config command on a router to make configuration changes. Which component is affected by this command?
ROM
**NVRAM
RAM
flash


27. Refer to the exhibit. In a network, Hosts A and B are exchanging segments at the transport layer. Which two statements are true about this exchange? (Choose two.)
Host A is transferring files to host B using FTP.
**Host A will send the next segment containing data for this session starting with byte number 11
The segment from the destination host indicates that 11 bytes have been received successfully
**Host A is initiating a Telnet session to host B
Host B can send the next segment of the data starting with byte number 2


28. How does the transport layer allow a host to maintain multiple, simultaneous communication streams across different applications?
It uses error control mechanisms.
**It uses a connectionless protocol only for multiple simultaneous transmissions.
It uses multiple Layer 2 source addresses.
It uses multiple ports.


29. What information is contained in the header of Layer 3 to help data delivery?
port number
device physical address
**destination host logical address
virtual connection identifier


30. Refer to the exhibit. The tracert command used from host X to host Y was successful. What is the correct sequence of intermediary network devices that will be present in the trace list?
switch A, switch D, switch G, host Y
**router B, router E, router F, host Y
switch A, router B, switch D, router E, router F, switch G, host Y
switch A, router B, router F, switch G, host Y


31. While configuring a router, a network technician wants to name the router. Which prompt should the technician see when entering the hostname command?
Router>
Router#
**Router(config)#
Router(config-line)#


32. An organization has decided to use IP addresses in the range 172.20.128.0 to 172.20.143.255. Which combination of network ID and subnet mask identifies all IP addresses in this range?
Network ID: 172.20.128.0 Subnet mask: 255.255.255.0
Network ID: 172.20.128.0 Subnet mask: 255.255.0.0
Network ID: 172.20.128.0 Subnet mask: 255.255.224.0
**Network ID: 172.20.128.0 Subnet mask: 255.255.240.0
Network ID: 172.20.128.0 Subnet mask: 255.255.255.240


33. Refer to the exhibit. Which logical topology describes the exhibited network?
star
**ring
point-to-point
multi-access

34. Refer to the exhibit. All devices in the network use default configurations. How many broadcast domains are there in this topology?
3
**5
7
9
11


35. Which three IPv4 addresses represent valid network addresses for a subnet? (Choose three.)
192.168.9.64/28
**192.168.9.146/28
192.168.9.96/28
**192.168.9.129/26
**192.168.9.51/26
192.168.9.64/26


36. Two routers are connected via their serial ports in a lab environment. The routers are configured with valid IP addresses, but they cannot ping each other. The show interface serial0/0 command shows that the serial0/0 interface is up but the line protocol is down. What could be the cause of this problem?
The no shutdown command has not been applied to the interfaces.
**The clock rate command has not been entered on the DCE interface.
The interface timers are not cleared.
The FastEthernet interface is emulating a serial interface by assigning it a timing signal.


37. Which device should be used for enabling a host to communicate with another host on a different network?
switch
hub
**router
host


38. Refer to the exhibit. The network administrator uses the netstat command to display the open, active, and running TCP connections on a networked host. The exhibit displays the output of this command. Which two facts can be determined from this output for accessing www.cisco.com? (Choose two.)
**The source port indicates that the session is an http session.
The connection is not successful.
**The source port of the host is 3166.
The destination port is 80.
The source port does not support communication with the destination port that is listed.
The source port indicates that a UDP session has been initiated.


39. Which OSI layer uses the header information to reassemble the data segments into streams?
application layer
network layer
presentation layer
session layer
**transport layer


40. Which three statements are true about transport layer protocols? (Choose three.)
The UDP transport layer protocol provides for low overhead data delivery.
**The TCP transport layer protocol uses windowing and acknowledgments for reliable transfer of data.
**The TCP and UDP port numbers are used by application layer protocols.
**The TCP transport layer protocol provides services to direct the data packets to their destination hosts.
The UDP transport layer protocol is a connection-oriented protocol.
The UDP transport layer protocol keeps track of all the data segments in each conversation.


41. To enhance security in a network, the network administrator uses these commands:
Router(config)# line console 0
Router(config-line)# password j1mdi2
Router(config-line)# login
What two conclusions are evident from these commands? (Choose two.)
**Users who attempt to connect to the console port of the router must enter a password.
**The entries permit access through the console by the use of j1mdi2 as the password.
The entries eliminate the need for authentication.
Access through the console will be denied because the console configuration is incomplete.
The entries prevent passwords from being displayed as plain text.


42. Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different devices?
Connection 1 - straight-through cable Connection 2 - straight-through cable Connection 3 - crossover cable
Connection 1 - straight-through cable Connection 2 - crossover cable Connection 3 - rollover cable
Connection 1 - crossover cable Connection 2 - rollover cable Connection 3 - straight-through cable
**Connection 1 - crossover cable Connection 2 - straight-through cable Connection 3 - crossover cable
Connection 1 - straight-through cable Connection 2 - rollover cable Connection 3 - crossover cable


43. Refer to the exhibit. The headers added at each layer are shown.
Which layer adds the destination and source process numbers to ensure that data is delivered to the correct application?
physical layer
data link layer
network layer
**transport layer


44. Which three statements are true about network layer addressing? (Choose three.)
It uses the last octet of the IP address to identify the network.
**It supports data communications between networks.
**It is configured by the network technician.
It is a 16-bit IPv4 address.
It prevents broadcasts.
**It uniquely identifies each host.


45. Refer to the exhibit. A PC is connected to a network. Which action will verify that the PC can communicate with its default gateway?
Use the ping 127.0.0.1 command.
Use the ipconfig command.
Use the ipconfig/all command.
**Use the ping 10.0.0.254 command.


46. Refer to the exhibit. Host A sends a frame with the destination MAC address as FFFF.FFFF.FFFF. What action will the switch take for this frame?
It will drop the frame.
It will send the frame back to host A.
**It will send the frame to all hosts except host A.
It will forward the frame to the default gateway.


47. Refer to the exhibit. The network administrator remotely accesses the CLI of RouterB from PC1 using a secure connection. Which statement is true about this connection?
The Telnet server process is running on PC1.
Only the exchange of the Telnet username and password is encrypted.
The GET request is sent to RouterA to retrieve data.
**The SSH service is used to connect PC1 to RouterB.


48. Which OSI layer uses the header information to reassemble the data segments into streams?
application layer
network layer
presentation layer
session layer
**transport layer


49. Refer to the exhibit. A router, the table of which is shown, receives a packet that is destined for 192.168.9.4. How will the router treat the packet?
It will drop the packet.
It will forward the packet via FastEthernet 0/1.
**It will forward the packet to the next hop address.
It will forward the packet to 172.16.2.0


50. Refer to the exhibit. Cable 1 and Cable 2 are wired for specific physical layer requirements. The table lists each segment by number and the cable that connects the network components on that segment. Which three segments have the correct cables installed? (Choose three.)
**segment 1
segment 2
segment 3
**segment 4
**segment 5
segment 6

2.
Which three IPv4 addresses represent valid network addresses for a subnet? (Choose three.)

(true answer)=>192.168.9.64/28

192.168.9.146/28

(true answer)=>192.168.9.96/28

192.168.9.129/26

192.168.9.51/26

(true answer)=>192.168.9.64/26



3

Refer to the exhibit. Which two facts can be determined about the topology? (Choose two.)

(true answer)=>Four collision domains are present.

One logical network is represented.

(true answer)=>Two broadcast domains are present.

Three networks are needed.

Three logical address ranges are required.




4



Refer to the exhibit. Which logical topology describes the exhibited network?

star

(true answer)=>ring

point-to-point

multi-access



5


Refer to the exhibit. At which OSI layer is serial interface 0/0/1 experiencing problems?

(true answer)=>Layer 1

Layer 2

Layer 3

Layer 4



6


Refer to the exhibit. Which two statements describe the information that is represented in the header? (Choose two.)

This is a server response.

The UDP protocol is being used.

(true answer)=>The destination port indicates a Telnet session.

(true answer)=>The return segment will contain a source port of 23.

The next session originated from the client of this session will use the source port number 13358.



7


Refer to the exhibit. Host B was powered off. What change will occur in the MAC table of the switch?

The table will remain unaffected.

(true answer)=>The switch will remove the MAC address at Fa0/19.

The switch will retain the MAC address until host B is powered on again.

The switch will rebuild the MAC table by assigning the FFFF.FFFF.FFFF address to port Fa0/19.



8
What information is contained in the header of Layer 3 to help data delivery?

(true answer)=>port number

device physical address

destination host logical address

virtual connection identifier



9


Refer to the exhibit. On the basis of the provided configuration, which statement is true?

(true answer)=>The IP address of host A is properly assigned to the local NIC.

Host A can send packets to any host on the local network only.

Host A can send packets to any host on the local and remote network.

Host A can ping successfully the default gateway address of 192.168.1.1.



10
As network administrator, what is the subnet mask that allows 510 hosts given the IP address 172.30.0.0?

255.255.0.0

255.255.248.0

255.255.252.0

(true answer)=>255.255.254.0

255.255.255.0

255.255.255.128



11


Refer to the exhibit. The network administrator remotely accesses the CLI of RouterB from PC1 using a secure connection. Which statement is true about this connection?

The Telnet server process is running on PC1.

Only the exchange of the Telnet username and password is encrypted.

The GET request is sent to RouterA to retrieve data.

(true answer)=>The SSH service is used to connect PC1 to RouterB.



12
A network administrator wants to restrict access to the router privileged EXEC mode. Which password should the administrator use?

(true answer)=>enable

aux

console

VTY



13


Refer to the exhibit. Which option correctly describes the purpose for the IP address that is assigned to VLAN 100?

provides remote switch management

(true answer)=>identifies the subnet for hosts in VLAN 100

serves as default gateway to hosts in VLAN 100

creates a routing table entry for packets to network 192.168.0.0



14
Which type of media is immune to EMI and RFI? (Choose two.)

10 Base-T

10 Base-2

10 Base-5

(true answer)=>100 Base-FX

100 Base TX

(true answer)=>1000 Base LX



15
Which device should be used for routing a packet to a remote network?

access switch

DHCP server

hub

(true answer)=>router


16


Refer to the exhibit. To create the initial configuration, a network technician connected host A to the router using the connection that is shown. Which statement is true about this connection?

It terminates at the Ethernet port of the router.

(true answer)=>It provides out-of-band console access.

It terminates at the serial interface of the router.

It requires a Telnet client on host A to access the router.



17
Which three IPv4 addresses represent a broadcast for a subnet? (Choose three.)

(true answer)=>172.16.4.63 /26

172.16.4.129 /26

(true answer)=>172.16.4.191 /26

172.16.4.51 /27

(true answer)=>172.16.4.95 /27

172.16.4.221 /27



18


Refer to the exhibit. On the basis of the IP configuration that is shown, what is the reason that Host A and Host B are unable to communicate outside the local network?

Host A was assigned a network address.

Host B was assigned a multicast address.

Host A and Host B belong to different networks.

(true answer)=>The gateway address was assigned a broadcast address.



19
Because of a security violation, the router password must be changed. What information can be learned from these configuration entries? (Choose two.)

Router(config)# line vty 0 4
Router(config-line)# password arj15
Router(config-line)# login

This configuration allows users to connect by using a modem.

Users must specify which line, 0 or 4, they wish to connect to when making a connection.

(true answer)=>This configuration allows users to connect to the router via the use of the telnet command.

(true answer)=>This configuration allows five users to make simultaneous connections to this router.
www.true answer


The configured password is automatically encrypted on the router.


20


Refer to the exhibit. Which statement is true about e-mail transmission between computer A and the server?

(true answer)=>The server will use HTTP to push messages to computer A.

Computer A will connect to the server and retrieve inbound messages by using POP.

The e-mail client on computer A uses SMTP to pull inbound messages from the server and push outbound messages to the server.

A connection is established from computer A to the server on port 21 and the client software uses FTP to transmit messages as discreet files.



21
Which OSI layer uses a connection-oriented protocol to ensure reliable delivery of data?

application layer

presentation layer

session layer

(true answer)=>transport layer



22


Refer to the exhibit. The network administrator wants to remotely access the CLI of the router from PC1 using modem 1. Which port of the router should be connected to modem 2 to enable this access?

console

Ethernet

(true answer)=>auxiliary

serial



23
In a Cisco IOS device, where is the startup-configuration file stored?

Flash

(true answer)=>NVRAM

RAM

ROM



24
Which statement is true about the running configuration file in a Cisco IOS device?

(true answer)=>It affects the operation of the device immediately when modified.

It is stored in NVRAM.

It should be deleted using the erase running-config command.

It is automatically saved when the router reboots.



25


Refer to the exhibit. What is the correct destination socket number for a web page request from Host A to the web server?

00-08-a3-b6-ce-46

(true answer)=>198.133.219.25:80

http://www.cisco.com

C 198.133.219.0/24 is directly connected, FastEthernet0/0



26
A host is transmitting a video over the network. How does the transport layer allow this host to use multiple applications to transmit other data at the same time as the video transmission?

It uses error control mechanisms.

(true answer)=>It uses a connectionless protocol only for multiple simultaneous transmissions.

It uses multiple Layer 2 source addresses.

It uses multiple port numbers.



27


Refer to the exhibit. A router, the table of which is shown, receives a packet that is destined for 192.168.9.4. How will the router treat the packet?

It will drop the packet.

It will forward the packet via FastEthernet 0/1.

(true answer)=>It will forward the packet to the next hop address.

It will forward the packet to 172.16.2.0



28


Refer to the exhibit. The host was disconnected from switch 2 and connected to switch 1. Which combination of IP address, subnet mask, and default gateway should be assigned to this host to allow it to function in the network?

IP address: 10.10.9.37 Subnet mask: 255.255.255.240 Default gateway: 10.10.9.35

(true answer)=>IP address: 10.10.9.37 Subnet mask: 255.255.255.224 Default gateway: 10.10.9.35

IP address: 10.10.9.29 Subnet mask: 255.255.255.248 Default gateway: 10.10.9.35

IP address: 10.10.9.32 Subnet mask: 255.255.255.224 Default gateway: 10.10.9.35

IP address: 10.10.9.37 Subnet mask: 255.255.255.224 Default gateway: 196.1.105.6

IP address: 10.10.9.63 Subnet mask: 255.255.255.224 Default gateway: 10.10.9.35



29
A user types the enable command. What task can be performed at the privileged EXEC mode?

Configure the device.

Configure individual interfaces.

Configure individual terminal lines.

(true answer)=>Issue show and debug commands.



30
What are three characteristics of CSMA/CD? (Choose three.)

(true answer)=>It monitors the media for presence of a data signal.

(true answer)=>After detecting a collision, hosts can resume transmission after a random timer has expired.

(true answer)=>A jam signal is used to ensure that all hosts are aware that a collision has occurred.

Devices can be configured with a higher transmission priority.

Data is transmitted only when the data signal is present.

It uses a token system to avoid collisions.


31
Which three statements characterize the transport layer protocols? (Choose three.)

(true answer)=>TCP and UDP port numbers are used by application layer protocols.

TCP uses port numbers to provide reliable transportation of IP packets.

UDP uses windowing and acknowledgments for reliable transfer of data.

(true answer)=>TCP uses windowing and sequencing to provide reliable transfer of data.

TCP is a connection-oriented protocol. UDP is a connectionless protocol.



32


Refer to the exhibit. The headers added at each layer are shown. Which layer adds the destination and source process numbers to ensure that data is delivered to the correct application?

physical layer

data link layer

network layer

(true answer)=>transport layer



33


Refer to the exhibit. In a network, Hosts A and B are exchanging segments at the transport layer. Which two statements are true about this exchange? (Choose two.)

Host A is transferring files to host B using FTP.

(true answer)=>Host A will send the next segment containing data for this session starting with byte number 11.

The segment from the destination host indicates that 11 bytes have been received successfully.

(true answer)=>Host A is initiating a Telnet session to host B.

Host B can send the next segment of the data starting with byte number 2.



34
During the encapsulation process of the TCP/IP model, which layer will attach the IP header to the data?

application

transport

(true answer)=>internet

network access



35


Refer to the exhibit. The network containing router B is experiencing problems. A network associate has isolated the issue in this network to router B. What action can be preformed to correct the network issue?

(true answer)=>issue the clock rate command on interface Serial 0/0/0

issue the description command on interface Serial 0/0/1

issue the ip address command on interface FastEthernet 0/0

issue the no shutdown command on interface FastEthernet 0/1



36
During the encapsulation process, what identifiers are added at the transport layer?

source and destination IP addresses

source and destination MAC addresses

source and destination port numbers

source and destination channel identifiers



37


Refer to the exhibit. A network technician wants to connect host A to the console of a Cisco switch to initialize the configuration. What type of cable is required for this connection?

straight-through cable

crossover cable

(true answer)=>rollover cable

serial cable



38
How does the transport layer allow a host to maintain multiple, simultaneous communication streams across different applications?

It uses error control mechanisms.

(true answer)=>It uses a connectionless protocol only for multiple simultaneous transmissions.

It uses multiple Layer 2 source addresses.

It uses multiple ports.



39
While configuring a router, a network technician wants to name the router. Which prompt should the technician see when entering the hostname command?

Router>

Router#

(true answer)=>Router(config)#

Router(config-line)#



40


Refer to the exhibit. The NAT functionality of the router is enabled to provide Internet access to the PC. However, the PC is still unable to access the Internet. Which IP address should be changed to 209.165.201.1 to enable the PC to access the Internet?

192.168.1.191

192.168.1.101

192.168.1.1

(true answer)=>192.168.1.254



41
Which option would be a valid router hostname according to Cisco naming convention guidelines?

Rtr1_Bldg201

(true answer)=>Building_201

Router 1

1st_Floor_Router_409_West_State_Street



42
An administrator has made changes to a device. The changes did not have the desired effect. What can the administrator do to restore the configuration saved in NVRAM?

Issue the erase flash command.

(true answer)=>Issue the reload command and respond no to the prompt that follows.

Issue the erase start-up config command.

Issue the copy running-config start-up config command.



43


Refer to the exhibit. Each media link is labeled. What type of cable should be used to connect the different devices?

Connection 1 - rollover cable Connection 2 - straight-through cable Connection 3 - crossover cable

Connection 1 - straight-through cable Connection 2 - crossover cable Connection 3 - rollover cable

Connection 1 - crossover cable Connection 2 - rollover cable Connection 3 - straight-through cable

Connection 1 - crossover cable Connection 2 - straight-through cable Connection 3 - rollover cable

(true answer)=>Connection 1 - straight-through cable Connection 2 - straight-through cable Connection 3 - straight-through cable



44


Refer to the exhibit. Host A wants to access the Internet. Which combination of a Layer 2 address and a Layer 3 address will enable this access from host A?

Destination MAC: 0030.8596.DE83 Default gateway: 209.165.202.130

Destination MAC: 0030.8596.DE82 Default gateway: 172.16.9.2

(true answer)=>Destination MAC: 0030.8517.44C4 Default gateway: 172.16.1.1

Destination MAC: 0030.8517.44C4 Default gateway: 209.165.202.130



45


Refer to the exhibit. Cable 1 and cable 2 have the ends wired for specific physical layer requirements. The table lists each segment by number and the cable which has been installed by the network technician between the network components on that segment. From the data given, which segments have the correct cable installed? (Choose three.)

(true answer)=>segment1

segment2

(true answer)=>segment3

(true answer)=>segment4

segment5


46


Refer to the exhibit. Which logical topology describes the exhibited network?

star

(true answer)=>ring

point-to-point

multi-access



47


Refer to the exhibit. The PC, the routing table of which is displayed, is configured correctly. To which network device or interface does the IP address 192.168.1.254 belong?

PC

switch

(true answer)=>router interface fa0/0

router interface fa0/1



48


Refer to the exhibit. The network administrator uses the netstat command to display the open, active, and running TCP connections on a networked host. The exhibit displays the output of this command. Which two facts can be determined from this output for accessing www.cisco.com? (Choose two.)

The source port indicates that the session is an http session.

The connection is not successful.

(true answer)=>The source port of the host is 3166.

(true answer)=>The destination port is 80.

The source port does not support communication with the destination port that is listed.

The source port indicates that a UDP session has been initiated.



49
The network administrator wants to configure the port number used by an application on a server to make it accessible by clients. Which range of port numbers would normally be assigned for this application?

0 to 255

(true answer)=>0 to 1023

1024 to 49151

49152 to 65535



50


Refer to the exhibit. A user wants to view the current configuration. The output of the ipconfig/all command is displayed in the exhibit. What three facts can be determined from the output? (Choose three.)

The IP address is obtained from the DHCP server.

(true answer)=>This PC cannot communicate with other networks.

(true answer)=>The network can have 14 hosts.

The prefix of the computer address is /25.

The IP address is routable on the Internet.

The assigned address is a private address.



51


Refer to the exhibit. What is required on host A for a network technician to create the initial configuration on Router1?

an FTP client

a Telnet client

(true answer)=>a terminal emulation program

a web browser