4A0-C02 by Nokia Actual Free Exam Q&As

Question 1

Click on the exhibit below.

Assuming there is a full mesh of mesh-SDPs between the PEs within each metro network and a spoke-SDP between PE-C of Metro A and PE-B of Metro B.
how is traffic forwarded from PE-A in Metro A to PE-D of Metro B? Select the most accurate statement.

A. A VPLS FDB lookup is done at PE-A and PE-C of Metro A and PE-B of Metro B B. A VPLS FDB lookup is done at PE-A of Metro A only C. An LSP must be configured between PE-A and PE-D for this traffic to be forwarded. D. An SDP must be configured between PE-A of Metro A and PE-D of Metro D for this traffic to be forwarded

Discussion 0

Correct Answer: A Vote an answer

Question 2

Click the exhibit.

For the inter-AS model C VPRN, which of the following is FALSE when an IP packet is sent from 192.1.1.1 to 192.2.1.1?

A. PE2 pops two labels and forwards the unlabeled packet to its destination. B. PE1 pushes three labels on the IP packet: a VPN label, a BGP label, and an LDP transport label. C. ASBR2 pops the BGP label and pushes an LDP transport label. D. ASBR1 pops the LDP and BGP labels and swaps the VPN label.

Discussion 0

Correct Answer: D Vote an answer

Question 3

Which of the following is not an available option for Route Distinguisher assignment?

A. One Route Distinguisher per VRF per site B. One Route Distinguisher per VRF route C. One Route Distinguisher per VPN D. One Route Distinguisher per VRF

Discussion 0

Correct Answer: B Vote an answer

Question 4

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 in a confederation. C. It is used for loop detection between clusters. D. It is used to identify the route reflectors within an AS.

Discussion 0

Correct Answer: C Vote an answer

Question 5

The port groups have been configured consistently on the PE routers, as highlighted in the exhibit. Which SDP connection will be blocked first when the re-learn rate is exceeded?

A. The connection between PE-A and PE-B B. The connection between PE*D and PE-B C. The connection between PE-A and PE-C D. The connection between PE-D and PE-C

Discussion 0

Correct Answer: A Vote an answer

Question 6

Click the exhibit.

PE3 learns Internet routes via its VRF interface to the Internet peering router and stores them in its Internet VRF. CE1 is connected to the Red VPN and requires Internet access via its Red VRF interface. Which of the following statements do not fulfill this requirement?

A. The Internet VRF on PE3 imports the Red VPN routes advertised by PE1. B. PE1 advertises the Red VPN routes and a default route to PE3. C. PE3 advertises a default route from its Internet VRF instead of advertising all Internet routes. D. PE1 imports all Internet routes and advertises them to CE1 via the Red VRF.

Discussion 0

Correct Answer: B Vote an answer

Question 7

Which of the following regarding BGP authentication on the Alcatel-Lucent 7750 SR is FALSE?

A. Authentication can only be configuredon the group or neighbor level. B. Authentication is performed before establishing the BGP session. C. Peer authentication may be optionally requested in an open message. D. By default, MD5 authentication is disabled.

Discussion 0

Correct Answer: A Vote an answer

Question 8

The command "send flush-on-failure" has been enabled within a VPLS instance. What does the PE do upon detection of a SAP failure within the VPLS?

A. The PE sends an LDP control message that flushes all FDB entries in the VPLS instance that are associated with the PE that detected the failure. B. The PE sends an oam service message that flushes all FDB entries in the VPLS instance. C. The PE sends an LDP control message that flushes all FDB entries in the VPLS instance. D. The PE flushes it's local FDB only.

Discussion 0

Correct Answer: A Vote an answer

Question 9

To manage the shared buffer space at network ports, slope policies are applied on _________ for the ingress direction, and on ________ or _________ for the egress direction.

A. Interfaces, interfaces. MDAs B. MDAs, ports, interfaces C. Ports, ports, MDAs D. Interfaces, ports, SAPs E. MDAs, MDAs, ports

Discussion 0

Correct Answer: E Vote an answer

Nokia SRA Composite - 4A0-C02 Exam Practice Test