4A0-101 Online Practice Questions and Answers

Which of the following statements regarding IS-IS LSPs is true?

A. There are three types of LSPs: L1, L2 and L1/L2.

B. An LSP packet contains the ATT bits and the IS-type bits.

C. The lower the LSP sequence number, the more current the update.

D. Separate databases are maintained for L1 ,, L2, and L1/L2 LSPs.

An OSPF ASBR must have at least one interface in the backbone area (area 0)

A. True

B. False

When redistributing OSPF into RIP V2 what must be taken into consideration for the redistribution to take place?

A. The metric must be set accordingly for RIP

B. The subnet mask must be removed from the OSPF route

C. You must divide the cost of the OSPF route by three

D. The router must be configured as an ASBR

Refer to the exhibit below.

R1 distributes its loopbacks into IS-IS and globally routed addresses are configured as shown. How many routes will R4 have in its IPv6 route table?

A. 1

B. 2

C. 3

D. 4

E. 6

F. 7

Click the exhibit button.

Given the topology and the route-tables shown, which of the following is most likely to be the configuration on router R1?

A. Option A

B. Option B

C. Option C

D. Option D

Which of the following about IS-IS level hierarchies is FALSE?

A. Level 2 routers interconnect the Level 1 areas.

B. There must be a contiguous Level 2 backbone to enable routing throughout the entire network.

C. Level 1 routers send packets to the nearest L1/L2 router if the destination is in a different area

D. Level 2 routers store the Level 1 and Level 2 topology information in a single database.

Which of the following best describes a unicast IPv6 address?

A. Fixed total of 128 bits, where 64 bits are used for routing and 64 bits are used as an interface identifier.

B. Fixed total of 128 bits, where 32 bits are used for the global prefix, 32 bits are used for the subnet and 64 bits are used as an interface identifier.

C. Variable total length, where at least 48 bits are used for the global prefix, 48 bits are used for the subnet and 64 bits are used as an interface identifier.

D. Variable total length, where at least 64 bits are used for routing and 64 bits are used as an interface identifier

Click on the exhibit.

Two neighboring OSPF routers have exchanged the packets shown. What state is the adjacency in?

A. Down

B. Initializing

C. 2-way

D. Full

Click on the exhibit.

Assuming point-to-point links, which of the following is TRUE?

A. Routers R1 and R2 are L2 routers. Routers R3 and R4 are L1/L2 routers.

B. Routers R1, R2, and R4 are L1/L2 routers Router R3 is an L1 router.

C. Routers R1, R2, and R3 are L2 routers. Router R4 is an L1 router.

D. Routers R1 and R2 are L1/L2 routers. Routers R3 and R4 are L1 routers.

Click on the exhibit.

Which of the following best describes the format of data traffic sent to the server as it exits from the PC?

A. The destination IP address will be the system IP address of router R1 and the destination MAC address will be the MAC address of the router R1 port connected to the PC.

B. The destination IP address will be the IP address of the router R1 port connected to the PC and the destination MAC address will be the MAC address of the router R1 port connected to the PC.

C. The destination IP address will be the IP address of the server and the destination MAC address will be the MAC address of the server.

D. The destination IP address will be the IP address of the server and the destination MAC address will be the MAC address of the router R1 port connected to the PC.