4A0-C04 Online Practice Questions and Answers

Click the exhibit.

If router A originates a BGP route for prefix 192.168.0.1/27, what will the update contain when it reaches router B?

A. AS Path of 65200, Next Hop of router A, Origin of IGP.

B. AS Path of 65200, Next Hop of router A, Origin of incomplete.

C. Null AS Path, Next Hop of router A, Origin of IGP.

D. Null AS Path, Next Hop of router A, Origin of incomplete.

What is the function of the Cluster_List attribute?

A. It is used for loop detection within the same cluster.

B. It is used for loop detection between clusters.

C. It is used for loop detection in a confederation.

D. It is used to identify the route reflectors within an AS.

In which of the following types of areas does an OSPF router not set the E bit in its Type 1 LSA?

A. Not so stubby area

B. Stub area

C. Backbone area

D. Normal area

Which one of the commands below will create a static route to network 2.3.4.0/24 on the AlcatelLucent 7750 SR router?

A. Static route 2.3.4.0 255.255.255.0 next hop 3.4.5.6

B. Static-route next-hop 3.4.5.6 2.3.4.0/24

C. Static route 2.3.4.0/24 next hop 3.4.5.6

D. Static-route 2.3.4.0/24 next-hop 3.4.5.6

Which of the following about an ERO in an RSVP PATH message is FALSE?

A. ERO is used by downstream routers to determine the next-hop for the LSP.

B. ERO contains label information used to signal an LSP path.

C. ERO is not always present in the PATH message.

D. Each downstream router updates information inside the ERO.

Click the exhibit.

An update travels from AS 137000 to AS 135000, traversing both 32-bit and 16-bit AS Paths.

What AS Path is seen by AS 200?

A. 140000 137000

B. 137000 140000

C. 23456 23456

D. 200 140000 137000

An E-pipe is configured with a service MTU of 5000. What is the minimum MTU value that should be set on an access port for a dot1q encapsulated SAP on this service?

A. 5000

B. 5004

C. 5008

D. 5014

Click the exhibit.

Router R3 is configured with an import policy to reject updates with an AS Path matching the regular expression ".+ 65540". Which of the following regarding updates originating in AS 65540 is TRUE?

A. Router R3 rejects all updates originating in AS 65540.

B. Router R3 accepts updates received from router R1 and rejects updates transited through router R2.

C. Router R3 accepts updates transited through router R2 and rejects updates received from router R1.

D. Router R3 accepts updates from both routers R1 and R2.

Click on the exhibit.

If the primary path fails, which backup LSP path will the head-end router pick first?

A. The Standby with the highest next-hop IP.

B. The first Standby in the list.

C. The Standby with the longest uptime.

D. The Standby with the lowest next-hop IP.

Which of the following concerning OSPFv3 is TRUE?

A. OSPFv3 uses MD5 Authentication.

B. Router LSAs carry IPv6 prefix information.

C. NSSA is supported in OSPFv3.

D. OSPFv3 uses a 64-bit router ID.