Cisco 640-875 Exam Questions

Question 6 of 269

The PE and CE interfaces are in the UP/UP state. The junior Network Engineer has validated Layer 3 functionality by pinging the adjacent interface, however the customer is unable to access the provider network. What should be your next troubleshooting step?

A.

Validate that the encapsulation method is utilizing Point-to-Point Protocol

B.

Validate that the destination customer network is in the correct VRF

C.

Validate that the circuit clocking is inaccurate and needs to be synchronized on both sides

D.

Check the physical connection between both devices to ensure stability

E.

Identify incorrect RADIUS configuration is present on the PE device

F.

Check that an access-list is mis-configured on the loopback 0 interface and needs to be corrected

Suggested Answer: B

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Question 7 of 269

What are two differences between WAN and LAN? (Choose two.)

A.

The customer has explicit control of their own WAN.

B.

The customer can modify the service provider route distinguishers.

C.

The customer has explicit control of their LAN.

D.

The customer is aware of the infrastructure within the WAN.

E.

WANs will differ from LANs with attributes such as latency and distance.

Suggested Answer: C, E

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Question 8 of 269

Which of the following correctly pairs the dotted decimal subnet mask with the correct number of binary bits that represent the subnet mask?

A.

255.255.255.192 and /25

B.

255.255.255.248 and /28

C.

255.255.255.224 and /26

D.

255.255.255.248 and /27

E.

255.255.255.240 and /28

F.

255.255.255.240 and /16

Suggested Answer: E

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Question 9 of 269

What are two benefits of a star network topology? (Choose two.)

A.

Disruption of the entire network is not required when adding new machines.

B.

Any problem which leaves the network inoperable can be traced to the central hub.

C.

This network type requires less cable as compared to linear bus topology.

D.

The performance of one of the numerous nodes cannot reflect on the performance of other nodes.

E.

The performance of the entire network is directly dependent on the performance of the hub.

Suggested Answer: A, B

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Question 10 of 269

DRAG DROP -
Drag the network device functions or features from the left and drop them on the correct network devices on the right.
Select and Place:
Exam 640-875: Question 10 - Image 1

Exam 640-875: Question 10 - Image 1

Suggested Answer:

Exam 640-875: Question 10 - Image 2

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