4A0-C02 Nokia SRA Composite Exam exact Exam Questions

Nokia SRA Composite Exam

Last Update 16 hours ago Total Questions : 639

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Question # 31

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

Authentication is performed before establishing the BGP session.

Authentication can only be configuredon the group or neighbor level.

By default, MD5 authentication is disabled.

Peer authentication may be optionally requested in an open message.

Question # 32

Click the exhibit.

AS 65550 owns the CIDR block 10.64.0.0/12. Router R4 advertises the aggregate 10.64.0.0/12 to AS65540. Which of the following is TRUE regarding the aggregate route advertisement?

The aggregator attribute will not be present, and the atomic aggregate flag will not be set.

The aggregator attribute will not be present, and the atomic aggregate flag will be set.

The aggregator attribute will be present, and the atomic aggregate flag will not be set.

The aggregator attribute will be present, and the atomic aggregate flag will be set.

Question # 33

Why is a full mesh of iBGP peers required?

To ensure proper route propagation inside a transit AS.

To ensure that all routers are directly connected.

To ensure that all routers run iBGP inside a transit AS.

To maximize control plane scalability.

Question # 34

Why should you configure send-flush-on failure on your PE routers when using active/standby pseudowires?

It flushes the local FDB speeding recovery

It discards all packets in the queue and sends icmp-discad messages to the sender. The packets are re-transmitted resulting in no loss of data.

On failure, the PE sends an LDP flush-all-from-me message to all PE devices in the VPLS. This speeds convergence to the new topology.

It is not important to use send-flush-on-failure as Active/Standby signalling automatically converges the FDB in all VPLS instances

Question # 35

Click the exhibit button below. Traffic arriving at router PE 1 is marked with a dot1p value of 4. Given the network policies applied on the routers in the diagram below, what is the EXP value of packets arriving at router PE 2?

Note: Only relevant portions of the network policy are shown.

None of the above.

Question # 36

A physical port has three associated buffer pools. Which of the following buffer pool combinations is associated to a physical port?

Access ingress, access egress, network egress

Access ingress, network ingress, network egress

Port ingress, port egress, shared bi-directional

Port ingress, port egress, network egress

Port ingress, network ingress, network egress

Question # 37

An Alcatel-Lucent 7750 SR is configured with a local preference of 250. If it receives a BGP update with a local preference of 500, what local preference is sent to its eBGP peers?

100

250

500

None

Question # 38

The configuration of an Alcatel-Lucent 7750 SR is given below. Router Rl has established BGP sessions with routers R2 and R3. Which of the following is TRUE?

Router R1forms an iBGP session with router R2, and an eBGP session with router R3.

Router R1forms iBGP sessions with routers R2 and R3.

Router R1forms eBGP sessions with routers R2 and R3.

The types of BGP sessions with routers R2 and R3 cannot be determined.

Question # 39

Click the exhibit.

Router R6 is a route reflector for clients R1, R2 and R5 with local preferences 100, 200 and 500 respectively. Router R3 advertises prefix 192.168.1.0/27 to routers R1, R2 and R5 which are configured with advertise-external. Routers R4 and R6 are both configured with " add-paths ipv4 send 2 receive " . Which routes to 192.168.0.1/27 is router R4 expected to have in its BGP routing table?

The routes from routers R1, R2 and R5.

The routes from routers R1and R2.

The routes from routers R2 and R5.

Two routes are chosen at random and advertised to router R4.

Question # 40

Router R1, in AS 65540, has the export policy shown below. It advertises an aggregate route to eBGP peer router R2 in 65550. What is the AS Path of the aggregate route received by router R2?