4A0-C01 Nokia NRS II Composite Exam exact Exam Questions

Nokia NRS II Composite Exam

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Question # 121

Which of the following commands can be used to display the number of SPF computations that have been performed on a router?

show router ospf area < area-id >

show router ospf neighbor

show router ospf interface

show router ospf status

Question # 122

Which of the following is an optional parameter when configuring IS-IS protocol on a router?

Configure IS-IS interfaces

Enable IS-IS

Configure level capabilities

Specify an area address

Question # 123

From the list below select the statements that describe the behavior of link state information aging. (Choose 2)

The age for newly created link state information is set to 0 for OSPF and 1200 for IS-IS

The age for newly created link state information is set to 1200 for OSPF and 0 for IS-IS

The age is incremented or decremented as it is flooded from router to router and as it is held in the topological database.

The age is incremented or decremented only as it is held in the topological database and not as it is flooded router to router.

Question # 124

Which of the following statements regarding the election of the designated router (DR) by OSPF routers are true? (Choose two)

The router with the lowest priority is the DR.

The router with the highest priority is the DR.

If priorities are the same, the DR is chosen based on the lowest RID.

If priorities are the same, the DR is chosen based on the highest RID.

Question # 125

What is the default preference value for a static route in the Alcatel-Lucent 7750 SR?

Question # 126

When a device receives a labeled packet, which of the following can occur?

The packet can only be forwarded as an unlabeled packet.

The packet can be forwarded as a labeled or unlabeled packet, depending on the received label value.

The packet can be forwarded as a labeled or unlabeled packet, depending on the destination IP address in the payload

The packet can only be forwarded as a labeled packet.

Question # 127

Assume that, on the Alcatel-Lucent 7750 SR, an LSP is configured with one-to-one FRR and node protection. Which of the following statements are FALSE? (Choose two)

Each PLR signals a detour LSP that avoids the downstream node. If the downstream node cannot be avoided, a detour LSP that avoids the downstream link is signaled.

The detour LSP can take one or more hops before merging back on the protected LSP.

The merge point of the protected LSP must be the next-next-hop node

The ingress router will set the local protection desired flag in the session attribute object of the path message to inform all routers along the protected LSP path to establish detour LSPs.

The label recording desired flag must be set in the session attribute object in order for the PLR to know what label to swap when using the detour LSP.

Question # 128

Click on the exhibit.

Router R2 learns the networks shown from IS-IS. Router R2 is configured to redistribute routes from IS-IS to OSPF as shown. Assume the OSPF and IS-IS adjacencies are operational.

How many OSPF Type 5 LSAs will router R1 receive from router R2?

Question # 129

During node protection signaling, the PLR knows the address of the MP from which of the following methods?

The PLR issues a RSVP path message to the destination router to request the address of the MP.

The PLR learns the address of the MP from the ERO.

The PLR learns the address of the MP from the RRO

The PLR learns the address of the MP from the targeted RSVP hello message.

The PLR does not need to know the address of the MP.

Question # 130

Click on the exhibit button below.

Consider the output shown; why is the label in bold font not in use?

The router cannot do a SWAP of this label.

The label does not match the egress label for the same FEC.

The label is for a FEC for which the next-hop is the peer router

The label was signaled in error.

Question # 131

Which approach to LSP path diversity provides the most control, but the least flexibility?

Administrative Groups

Shared Risk Link Groups

Strict hop LSP paths

Fast reroute

Question # 132

Click on the exhibit.

The route table on router R2 shows the system address of router R5 but it does not show any of the interfaces from the non-OSPF area.

What may be causing this?

' asbr ' is missing from router R1 ' s configuration.

Router R1 needs to have an export policy added to it.

Router R5 does not have an export policy for these prefixes.

Router R1 needs to have an import policy added to it.

Question # 133

True or False? MPLS may use an existing data link layer header field to identify a label, instead of using a specific MPLS header

TRUE

FALSE

Question # 134

Which of the following describes what happens when facility backup fast reroute is enabled for a LSP? Choose three answers.

Each PLR will signal a bypass tunnel that avoids the next-hop node or link.

When a failure occurs, the PLR will push an additional label onto the label stack and start forwarding traffic onto its bypass tunnel.

The ingress router will include a RRO object in the path message to indicate the routers that should be PLRs and MPs along the protected path.

The ingress router will set the local protection desired flag in the session attribute object of the path message to inform all routers along the protected LSP path to establish bypass tunnels.

When the bypass tunnel is in use, the MP will include the RRO object in its PathErr message, with the local protection in use flag set to notify the ingress router that it is using the bypass tunnel.

Question # 135

Which of the following commands may only be used on the head end router to verify the status of an LSP named " LSP 1 " ? (Choose two)

show router mpls Isp " LSP 1 " originate

show router mpls Isp " LSP 1 " path detail

show router rsvp session originate

show router rsvp session " LSP 1 "

Question # 136

Click on the exhibit.

Router R2 uses OSPF to advertise the network 192.168.3.0/24 to router R1. A route policy has been configured to reject the route on router R1.

Why doesn ' t the route policy work?

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

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

The policy was not " committed " after creation.

Router R1 cannot reject the route because OSPF does not support import policies

Question # 137

Click on the exhibit button below.

Under which condition might the peer LDP ID 10.10.10.2:0 entry show state " Nonexistent " ?

When the interface to the peer router is down.

When router R1 has no route to the peer address 10.10.10.2.

When the adjacency between the two routers fails.

When the targeted session is not yet configured.

Question # 138

A router receives an OSPF database description packet from a neighbor that references an LSA, which is already in the router ' s LSDB. The sequence number in the DBD packet is lower than the sequence number of the LSA in the LSDB.

What action does the router take?

The router sends a link-state update to its neighbor.

The router sends a link-state acknowledgement to its neighbor.

The router updates the information in its LSDB with the information received from its neighbor.

The router sends a link-state request to its neighbor.

The router takes no action.

Question # 139

In MPLS, labels are distributed in the opposite direction of the data flow.

TRUE

FALSE