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  5. Nokia NRS II Composite Exam: OSPF version Questions and Answers

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Viewing questions 81-90 out of questions
Questions # 81:

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

Question # 81

Options:
A.

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

B.

Router R1forms iBGP sessions with routers R2 and R3.

C.

Router R1forms eBGP sessions with routers R2 and R3.

D.

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

Questions # 82:

What is the default preference value for a static route in the Nokia 7750 SR router?

Options:
A.

0

B.

5

C.

10

D.

15

Questions # 83:

A confederated AS is comprised of three members. One member is comprised of 4 routers, while the other two members are comprised of 3 routers each. Assuming member ASs are fully meshed and use full mesh iBGP, what is the required number of BGP sessions within the confederation?

Options:
A.

12

B.

13

C.

14

D.

15

Questions # 84:

Which of the following regarding per-platform label space is TRUE?

Options:
A.

A separate label is used for each interface on which the FEC is advertised.

B.

A single label is assigned to a FEC for all interfaces on the same router,

C.

It is typically used when the device has ATM or Frame Relay interfaces.

D.

It uses more label resources than a per-interface label space.

Questions # 85:

Which of the following regarding BGP Path Identifier is FALSE?

Options:
A.

Path-ID is a four-octet identifier pre-pended to the NLRI field of a BGP update.

B.

Path-ID is an optional transitive attribute used to advertise multiple paths.

C.

Path-ID uniquely identifies each path advertised to a neighbor.

D.

A BGP speaker that re-advertises a route must generate its own Path-ID.

Questions # 86:

Which of the following statements regarding BGP Fast Reroute is FALSE?

Options:
A.

BGP Fast Reroute is triggered by IGP events.

B.

The backup path is pre-computed and installed in the FIB.

C.

BGP Fast Reroute is independent of number of affected prefixes.

D.

BGP Fast Reroute uses the optimal path to the destination.

Questions # 87:

Click the exhibit.

Question # 87

When router A receives the BGP update for the 192.168.0.1/27 prefix, it propagates it to routers B and C. What action is taken by router B when it receives the update?

Options:
A.

Router B propagates the BGP update to routers D and C.

B.

Router B propagates the BGP update to router D.

C.

Router B detects duplicates in its BGP database and discards the update.

D.

Router B propagates the update to routers A, C and D.

Questions # 88:

Which of the following is a characteristic of LDP Hello messages?

Options:
A.

They are multicast to the All Hosts address.

B.

They are broadcast to the subnet broadcast address.

C.

They are multicast to the All Routers address.

D.

They are broadcast or multicast, depending on the physical media.

Questions # 89:

What happens by default on an Nokia 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?

Options:
A.

The original VLAN tag is removed.

B.

The original VLAN tag is kept.

C.

The VLAN tag is replaced by a provider tag.

D.

The VLAN tag is kept and a provider tag is added.

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Viewing questions 81-90 out of questions