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

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Questions # 1:

What is the default Nokia 7750 SR TTL of a BGP advertisement between confederation members?

Options:
A.

1

B.

32

C.

64

D.

255

Questions # 2:

Which of the following is NOT a characteristic of MPLS?

Options:
A.

It provides the ability to establish connection oriented paths over a connectionless IP network.

B.

It provides a mechanism to engineer network traffic patterns independently of IP routing tables.

C.

It will work over most physical layer protocols.

D.

It can use GRE tunnels to transport data from many different protocols over an IP network.

Questions # 3:

What is the default priority value used for electing the DR on an Nokia 7750 SR running OSPF on an Ethernet?

Options:
A.

Priority of 0

B.

Priority of 1

C.

Priority of 64

D.

Priority of 255

Questions # 4:

Which of the following statements regarding area border routers in an OSPF network is true?

Options:
A.

The term backbone router has the same definition as the term area border router.

B.

An OSPF network needs at least one area border router to function.

C.

Area border routers connect the backbone area to other areas in an OSPF network.

D.

By definition, an area border router must perform route summarization between areas.

Questions # 5:

Click the exhibit button.

Question # 5

Given the topology and the show commands, and assuming that router R2 advertises all of its loopbacks into OSPF, what is the correct router R1 configuration?

Question # 5

Options:
A.

Option A

B.

Option B

C.

Option C

D.

Option D

Questions # 6:

An Nokia 7750 SR is configured with an export policy to redistribute its directly-connected networks into BGP. Which of the following databases contains the routes for these networks?

Options:
A.

The routes are in the RIB-In.

B.

The routes are in the Loc-RIB.

C.

The routes are in the RIB-Out.

D.

The routes are not in any of the BGP databases.

Questions # 7:

Which of the following about VPRNs is TRUE?

Options:
A.

Customers must use the same routing protocol as the service provider.

B.

Customers belonging to the same VPRN service must use the same subnet.

C.

Service providers only need to perform configurations on the PEs to add additional VPRNs.

D.

For each VPRN, only one customer can be connected at each PE.

Questions # 8:

An OSPF adjacency is stuck in the exstart state. What is the most likely cause?

Options:
A.

The MTU does not match on both interfaces.

B.

OSPF is not enabled on one of the routers.

C.

The router ID is the same on both routers.

D.

An OSPF Hello has not been received from the neighbor.

E.

The interfaces are configured as point-to-point on one side and broadcast on the other.

Questions # 9:

Which of the following about SAPs is TRUE?

Options:
A.

More than one SAP can be configured on a physical port that is configured for null encapsulation.

B.

Dot1Q Ethernet encapsulated access ports can support multiple SAPs and services.

C.

SAPs can be created on ports designated as "Network".

D.

SAPs can only be created on Ethernet ports.

Questions # 10:

Which of the following about VPN labels is FALSE?

Options:
A.

They are signaled between PE devices using MP-BGP.

B.

They are swapped at each P router as a packet crosses the service provider network.

C.

They are also known as the inner label or service label.

D.

They indicate to the egress PE the VPRN to which a packet belongs.

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