CCNA 4 v6.0 R&S Connecting Networks CN Chapter 2 Exam Online

CCNA 4 v6.0 CN Chapter 2 Exam Training
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CCNA 4 v6.0 Chapter 2 Exam

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Question 1 of 25

1. Question
3 points
Which three are types of LCP frames used with PPP? (Choose three.)
- link-negotiation frames
- link-acknowledgment frames
- link-maintenance frames
- link-termination frames
- link-control frames
- link-establishment frames
Correct

Incorrect
Question 2 of 25

2. Question
1 points
Which command can be used to view the cable type that is attached to a serial interface?
- Router(config)# show interfaces
- Router(config)# show controllers
- Router(config)# show ip interface
- Router(config)# show ip interface brief
Correct

Incorrect
Question 3 of 25

3. Question
1 points
How does PPP interface with different network layer protocols?
- by using separate NCPs
- by negotiating with the network layer handler
- by encoding the information field in the PPP frame
- by specifying the protocol during link establishment through LCP
Correct

Incorrect
Question 4 of 25

4. Question
1 points
Which address is used in the Address field of a PPP frame?
- a single byte of binary 00000000
- a single byte of binary 10101010
- a single byte of binary 11111111
- the IP address of the serial interface
Correct

Incorrect
Question 5 of 25

5. Question
1 points
Which field marks the beginning and end of an HDLC frame?
- Data
- FCS
- Control
- Flag
Correct

Incorrect
Question 6 of 25

6. Question
1 points
In which situation would the use of PAP be preferable to the use of CHAP?
- when router resources are limited
- when multilink PPP is used
- when plain text passwords are needed to simulate login at the remote host
- when a network administrator prefers it because of ease of configuration
Correct

Incorrect
Question 7 of 25

7. Question
1 points
When configuring Multilink PPP, where is the IP address for the multilink bundle configured?
- on a physical serial interface
- on a subinterface
- on a multilink interface
- on a physical Ethernet interface
Correct

Incorrect
Question 8 of 25

8. Question
1 points
Refer to the exhibit.

Based on the debug command output that is shown, which statement is true of the operation of PPP.
- CHAP authentication failed because of an unknown hostname.
- A PPP session was successfully established.
- Both PAP and CHAP authentication were attempted.
- The debug output is from router R2.
Correct

Incorrect
Question 9 of 25

9. Question
1 points
Refer to the exhibit.

A network administrator is configuring the PPP link between the two routers. However, the PPP link cannot be established. Based on the partial output of the show running-config command, what is the cause of the problem?
- The usernames do not match.
- The passwords do not match.
- The passwords should be longer than 8 characters.
- The interface IP addresses are in different subnets.
Correct

Incorrect
Question 10 of 25

10. Question
1 points
Which is an advantage of using PPP on a serial link instead of HDLC?
- option for authentication
- higher speed transmission
- fixed-size frames
- option for session establishment
Correct

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Question 11 of 25

11. Question
1 points
Which protocol will terminate the PPP link after the exchange of data is complete?
- NCP
- LCP
- IPCP
- IPXCP
Correct

Incorrect
Question 12 of 25

12. Question
1 points
Which serial 0/0/0 interface state will be shown if no serial cable is attached to the router, but everything else has been correctly configured and turned on?
- Serial 0/0/0 is up, line protocol is up
- Serial 0/0/0 is up, line protocol is down
- Serial 0/0/0 is down, line protocol is down
- Serial 0/0/0 is up (looped)
- Serial 0/0/0 is up (disabled)
- Serial 0/0/0 is administratively down, line protocol is down
Correct

Incorrect
Question 13 of 25

13. Question
1 points
How much total bandwidth is provided by a T1 line?
- 1.544 Mb/s
- 64 kb/s
- 128 b/s
- 43.736 Mb/s
Correct

Incorrect
Question 14 of 25

14. Question
1 points
A network engineer is monitoring an essential, but poor quality, PPP WAN link that periodically shuts down. An examination of the interface configurations shows that the ppp quality 90 command has been issued. What action could the engineer take to reduce the frequency with which the link shuts down?
- Issue the command ppp quality 70.
- Issue the command ppp quality 100.
- Set the DCE interface to a lower clock rate.
- Use the bandwidth command to increase the bandwidth of the link.
Correct

Incorrect
Question 15 of 25

15. Question
1 points
A network engineer is troubleshooting the loss of MPEG video viewing quality as MPEG video files cross a PPP WAN link. What could be causing this loss of quality?
- PAP authentication was misconfigured on the link interfaces.
- The clock rates configured on each serial interface do not match.
- Link Quality Monitoring was not configured correctly on each interface.
- The compress command was used when PPP was configured on the interfaces.
Correct

Incorrect
Question 16 of 25

16. Question
1 points
Which PPP option can detect links that are in a looped-back condition?
- Magic Number
- MRU
- Callback
- ACCM
Correct

Incorrect
Question 17 of 25

17. Question
1 points
A network engineer has issued the show interfaces serial 0/0/0 command on a router to examine the open NCPs on a PPP link to another router. The command output displays that the encapsulation is PPP and that the LCP is open. However, the IPV6CP NCP is not shown as open. What does the engineer need to configure to open the IPV6CP NCP on the link?
- Configure CHAP authentication on each router.
- Configure PPP multilink interfaces on each router.
- Configure an IPv6 address on each interface on the link.
- Issue the compress predictor command on each interface on the link.
Correct

Incorrect
Question 18 of 25

18. Question
3 points
Which three physical layer interfaces support PPP? (Choose three.)
- FastEthernet
- GigabitEthernet
- Ethernet
- asynchronous serial
- synchronous serial
- HSSI
Correct

Incorrect
Question 19 of 25

19. Question
3 points
What are three components of PPP? (Choose three.)
- authorization
- LCP
- parallel communications
- NCP
- support for LAN and WAN
- HDLC-like framing
Correct

Incorrect
Question 20 of 25

20. Question
1 points
Refer to the exhibit.

What type of Layer 2 encapsulation will be used for connection D on the basis of this configuration on a newly installed router:
- RtrA(config)# interface serial0/0/0
  RtrA(config-if)# ip address 128.107.0.2 255.255.255.252
  RtrA(config-if)# no shutdown
- Ethernet
- Frame Relay
- HDLC
- PPP
Correct

Incorrect
Question 21 of 25

21. Question
5 points
Which two statements describe a PPP connection between two Cisco routers? (Choose two.)
- LCP tests the quality of the link.*
- LCP manages compression on the link.
- Only a single NCP is allowed between the two routers.
- NCP terminates the link when data exchange is complete.
- With CHAP authentication, the routers exchange plain text passwords.
Correct

Incorrect

Question 22 of 25

22. Question

4 points

Match the PPP options with the correct description. (Not all options are used.)

Sort elements

Compression
Multilink
Maximum Receive Unit
Authentication Protocol

Increases the effective throughput on PPP connections by reducing the amount of data in the frame that must travel across the link.

Provides load balancing over the router interfaces.

The maximum size of the PPP frame.

The two choices are Password Authentication Protocol (PAP) and chanllenge Handshake Authentication Protocol (CHAP).

Correct

Incorrect

Question 23 of 25

23. Question

3 points

Match the phases of establishing a PPP session in the correct order. (Not all options are used.)

Sort elements

phase 3
phase 1
phase 2

negotiate with the network layer to configure L3 protocol

establish the link and negotiate configuration options

determine the quality of the link

Correct

Incorrect

Question 24 of 25

24. Question

6 points

Match the steps to the PPP CHAP authentication process sequence. (Not all options are used.)

Sort elements

Step 3
Step 2
Step 4
Step 1
Step 5
Step 6

calculate the MD5 hash

calculate the ID and random number

send the challenge ID, hash, and username

use LCP to negotiate the type of authentication

calculate the hash based on received information

compare the received hash with the calculated hash

Correct

Incorrect

Question 25 of 25

25. Question
1 points
Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Why is the serial link between router R1 and router R2 not operational?
- In each case the expected username is not the same as the remote router hostname.
- The passwords are different in both routers.
- The encapsulation in both routers does not match.
- The authentication type is not the same in both routers.
Correct

Incorrect

CCNA 4 v6.0 R&S Connecting Networks CN Chapter 2 Exam Online

Leaderboard: CCNA 4 v6.0 Chapter 2 Exam

Quiz-summary

Information

CCNA 4 v6.0 Chapter 2 Exam

Results

Categories

1. Question

Which three are types of LCP frames used with PPP? (Choose three.)

2. Question

Which command can be used to view the cable type that is attached to a serial interface?

3. Question

How does PPP interface with different network layer protocols?

4. Question

Which address is used in the Address field of a PPP frame?

5. Question

Which field marks the beginning and end of an HDLC frame?

6. Question

In which situation would the use of PAP be preferable to the use of CHAP?

7. Question

When configuring Multilink PPP, where is the IP address for the multilink bundle configured?

8. Question

Refer to the exhibit.

Based on the debug command output that is shown, which statement is true of the operation of PPP.

9. Question

Refer to the exhibit.

A network administrator is configuring the PPP link between the two routers. However, the PPP link cannot be established. Based on the partial output of the show running-config command, what is the cause of the problem?​

10. Question

Which is an advantage of using PPP on a serial link instead of HDLC?

11. Question

Which protocol will terminate the PPP link after the exchange of data is complete?

12. Question

Which serial 0/0/0 interface state will be shown if no serial cable is attached to the router, but everything else has been correctly configured and turned on?

13. Question

How much total bandwidth is provided by a T1 line?

14. Question

15. Question

A network engineer is troubleshooting the loss of MPEG video viewing quality as MPEG video files cross a PPP WAN link. What could be causing this loss of quality?

16. Question

Which PPP option can detect links that are in a looped-back condition?

17. Question

18. Question

Which three physical layer interfaces support PPP? (Choose three.)

19. Question

What are three components of PPP? (Choose three.)

20. Question

Refer to the exhibit.

What type of Layer 2 encapsulation will be used for connection D on the basis of this configuration on a newly installed router:

21. Question

Which two statements describe a PPP connection between two Cisco routers? (Choose two.)

22. Question

Match the PPP options with the correct description. (Not all options are used.)

Sort elements

23. Question

Match the phases of establishing a PPP session in the correct order. (Not all options are used.)

Sort elements

24. Question

Match the steps to the PPP CHAP authentication process sequence. (Not all options are used.)

Sort elements

25. Question

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Why is the serial link between router R1 and router R2 not operational?

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A network administrator is configuring the PPP link between the two routers. However, the PPP link cannot be established. Based on the partial output of the show running-config command, what is the cause of the problem?

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Why is the serial link between router R1 and router R2 not operational?