4A0-112 무료 덤프문제 온라인 액세스

Which of the following statements about the IP forwarding process on a router is TRUE?

• A.It uses the ARP table to find a match for the source MAC address.
• B.It uses the routing table to find a match for the destination IP address.
• C.It uses the routing table to find a match for the source IP address.
• D.It uses the ARP table to find a match for the destination MAC address.

When multiple routing protocols offer a route for the same prefix, what part of the router is in charge of deciding which route to make active?

• A.The forwarding information base (FIB)
• B.The routing information base (RIB)
• C.The routing table manager (RTM)
• D.The equal cost multipath configuration

Refer to the exhibit.

Routers R1, R2, R3, and R4 are running IS-IS. Assuming all interfaces are added to IS-IS as point-to-point and no commands are issued at the interface level to restrict adjacencies, which of the following statements is TRUE?

• A.Routers R1 and R2 are L1/L2 routers. Routers R3 and R4 are L1 routers.
• B.Routers R1 and R2 are L2 routers. Routers R3 and R4 are L1 routers.
• C.Routers R1 and R2 are L2 routers. Routers R3 and R4 are L1/L2 routers.
• D.All four routers are L1/L2.

What is the replacement for ARP in IPv6?

• A.Router discovery procedures.
• B.Duplicate address detection procedures.
• C.Neighbor discovery procedures.
• D.Stateless address auto-configuration procedures.

Two IS-IS routers are exchanging Hello packets. One is configured to use authentication and the other is not. Which of the following statements is TRUE?

• A.An adjacency will not be established.
• B.An adjacency will be established without authentication.
• C.The two routers will negotiate the authentication parameters and the establish an adjacency.
• D.An adjacency will be established with authentication using the default parameters defined for IS-IS routers.