4A0-C04 Nokia NRS II Composite Exam: OSPF version exact Exam Questions

Nokia NRS II Composite Exam: OSPF version

Last Update 15 hours ago Total Questions : 298

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Question # 31

Which of the following regarding "well-known discretionary'' BGP attributes is TRUE?

They must be recognized by all peers and included in all BGP updates.

They are discarded if not recognized by the recipient.

They must be recognized by all peers and optionally included in BGP updates.

The receiving router sends a notification if a well-known discretionary attribute is not present in an update.

Question # 32

Click the exhibit button.

Router R2 advertises the network 192.168.3.0/24 to router R1 via OSPF. A route policy has been constructed to discard the route on router R1; however, it is not working. What is the problem?

The prefix list reject should be "192.168.3.0/16 exact".

Router R1 should be configured as an OSPF "asbr".

The policy "reject" should be set for import rather than export.

The policy was likely not "committed" after creation.

This is not possible because OSPF cannot use import policies.

Question # 33

An Nokia 7750 SR receives a route via an IS-IS LSP with internal reach ability, and receives the same route via an OSPF type 5 LSA. If al protocol preferences are default, which route will be installed in the route table?

The route learned via IS-IS will be installed.

The route learned via the OSPF type 5 LSA will be installed.

Both routes will be installed, if ECMP is enabled.

Both routes will be installed, regardless of whether ECMP is enabled.

Question # 34

An OSPF router receives an update in which the sequence number, age, and checksum are the same as the entry already in the topological database. What action is taken by the router?

The link state information is not populated in the database but is forwarded to all neighbors

The link state information already in the database is overwritten and the age is reset

The link state information is not populated in the database and an acknowledgement is sent

The link state information is regarded as old and nothing is done.

Question # 35

How many service labels must be signaled to bring up a fully-meshed VPLS among three PE routers?

Question # 36

A network consists of four PE routers. A customer requires a VPLS and has sites connected to each PE. The VPLS is fully meshed using IP/MPLS. How many SDPs must be configured on each PE?

Question # 37

Which utility on the Nokia 7750 SR can be used to investigate an MPLS path?

Isp-trace

Idp-trace

Sdp-ping

Svc-ping

Ping

Question # 38

Which of the following about transport and service tunnels is FALSE?

Service tunnels are unidirectional.

Transport tunnels are unidirectional.

A service will use the same service label for every hop.

A local service requires a transport tunnel.

Question # 39

Which of the following statements regarding OSPF routing updates on a point-to-point link is true?

On a point-to-point link, there is no need for a DR and BDR election; all routing updates are sent to 224.0.0.5.

On a point-to-point link, a DR and BDR are elected. The DR sends link-state advertisements describing the network.

On a point-to-point link, a DR and BDR are elected. To ensure resiliency, both the DR and BDR send link-state advertisements describing the network.

On a point-to-point link, there is no need for a DR and BDR election. All routing updates are sent to the unicast address of the neighbor's interface.