Nokia NRS II Composite Exam: OSPF version (4A0-C04) Practice Test

Questions # 81:

Which of the following devices assumes the active role during the establishment of an LDP session?

Options:

The peer with the higher physical address.

The peer with the higher transport address.

The peer with the lower physical address.

The peer with the lower transport address.

The peer that generated the first Hello message.

Questions # 82:

How is the aggregator attribute handled with 32-bit AS numbers?

Options:

With the same method and attribute as 16-bit AS numbers.

With the same method as 16-bit AS numbers, but using the AS4_Aggregator attribute.

Aggregation is not yet supported with 32-bit AS numbers.

By using a dummy value of 23456 in the 16-bit AS aggregator field. This value lets the router know it needs to read the 32-bit AS number that is contained in the nextTLV.

Questions # 83:

An Nokia 7750 SR has the BGP configuration shown below. Assuming the router has established BGP sessions to routers R1 and R2, which of the following is TRUE?

Question # 83

Options:

Both neighbors R1and R2 should be part of AS 65540.

Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65540.

Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65560.

Both neighbors R1and R2 should be part of AS 65560.

Questions # 84:

How many databases does a Link State routing protocol use?

Options:

One

Two

Three

Four

Questions # 85:

What is the purpose of configuring a triggered-policy on an Nokia 7750 SR?

Options:

Policy changes are delayed until the peer router with the affected routes reboots.

Policy changes are delayed until route updates for affected BGP routes are received from peers.

Policy changes are delayed until BGP sessions are cleared or BGP is reset.

Policy changes are delayed until the router reboots.

Questions # 86:

What class of attribute is Originator_ID?

Options:

Well-known mandatory.

Well-known discretionary.

Optional transitive.

Optional non-transitive.

Questions # 87:

What must be configured on the Nokia 7750 SR for RIP to advertise locally attached links?

Options:

A policy statement within the router identifying what is to be advertised

Access-lists denoting what is to be advertised

Default metrics for each link

A group and neighbor statement for each peer

Questions # 88:

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

Options:

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

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

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

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

Questions # 89:

Click the exhibit.

Question # 89

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:

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

Router B propagates the BGP update to router D.

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

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

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