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Nokia 4A0-112 試験概要:

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4A0-112 試験に関してよくいただくご質問

Nokia IS-IS Routing Protocol 認定 4A0-112 試験問題：

問題 #1

Refer to the exhibit.

A static route has been configured on router R1 to reach the PC at 139.120.121.2.
What might be causing the ping to fail?

A. The configured next hop does not belong to a subnet adjacent to R1.
B. The configured static route needs to be a default route.
C. Router R2 needs a static route to the PC.
D. Router R1 needs a static route to router R2.

問題 #2

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

問題 #3

When using IS-IS in native mode for routing in a dual-stack IPv4/IPv6 environment, which of the following statements is FALSE?

A. In a multi-area environment, the SPF algorithm needs to be run four times on each L1/L2 router.
B. All links are assumed to be IPv4- and IPv6-capable.
C. It may lead to traffic black-holing if not properly designed.
D. The same topology information is used to calculate the shortest path tree for both IPv4 and IPv6.

問題 #4

Which component of the Nokia 7750 SR is in charge of performing the longest prefix match lookup on packets that arrive on the physical interfaces?

A. Switch Fabric (SF)
B. Control Processing Module (CMP)
C. Input/Output Module (IOM)
D. Media Dependent Adapter (MDA)

問題 #5

Which of the following definitions best describes route redistribution?

A. It is the process of controlling which route advertisements received from routing peers are accepted and/or deciding which locally known prefixes are advertised to routing peers.
B. It is the process of deciding at line-rate speed which packets will be dropped and which ones will be forwarded.
C. It is the process of passing routing information from one routing domain to another, which usually means from one routing protocol to another.
D. It is the process of redirecting packets to be processed by an intermediate network function before allowing them to be forwarded to their intended final destination.

解説：