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

Nokia NRS II Composite Exam

Last Update 6 hours ago Total Questions : 852

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Question # 221

Which of the following about LSP path configuration on an Alcatel-Lucent 7750 SR is TRUE?

The path must include at least one hop.

The path may be used for multiple LSPs.

The path may be used multiple times in a single LSP.

The path must define a tunnel destination IP address.

Question # 222

An Alcatel-Lucent 7750 SR has its TE update threshold enabled with the up threshold set to 40%. The maximum reservable bandwidth on the link is 200M and 30M have already been reserved. When will a TE update be sent on this link?

When the reserved bandwidth goes above 80M.

When the reserved bandwidth goes above 40M.

When an additional 80M bandwidth is reserved.

When an additional 40M bandwidth is reserved.

Question # 223

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

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.

Question # 224

Click on the exhibit.

Router R2 advertises the aggregate prefix 10.10.10.0/24 into Area 1. Why would LDP aggregate-prefix-match be enabled on router R3?

To reduce the number of LDP sessions

To reduce the number of LIB and LFIB entries

To bypass the LDP exact prefix match rule

To export summarized routes from OSPF to LDP

Question # 225

Which of the following best completes the sentence: " An Internet Enhanced Service is a_____________ service where the CE communicates with a ________________interface to send and receive traffic.

distributed/virtual

local/sub

routed/Layer 3

distributed/routed

Layer 2/loopback

Question # 226

Click on the exhibit.

What is the possible reason that the label for prefix 192.10.1.2/32 is not active?

The router does not have a route to reach to the peer 10.10.10.2/32.

The router does not have a route to reach to the prefix 192.10.1.2/32.

The router does not have an export policy defined to export the prefix 192.10.1.2/32 into LDP.

The router receives an invalid label for the prefix 192.10.1.2/32 from its peer.

Question # 227

What labels are encapsulated in the tunnels used by a 6PE deployment?

The inner label is the IPv4 Explicit Null. The outer label is the MPLS transport label,

The inner label is an MPLS transport label. The outer label is the IPv4 Explicit Null.

The inner label is the IPv6 Explicit Null. The outer label is an MPLS transport label.

The inner label is an MPLS transport label. The outer label is the IPv6 Explicit Null.

Question # 228

Facility fast reroute with node protection is enabled for an LSP, which of the following is FALSE?

Each PLR signals a bypass tunnel that avoids the next-hop downstream router.

When a failure occurs, the PLR pushs an additional label onto the label stack.

No bypass tunnel is established if the PLR cannot provide node protection.

The head-end router sets the local protection desired flag in the session attribute object.

Question # 229

Which of the following about the Alcatel-Lucent 7750 SR command " own Isp-trace " is FALSE?

The MPLS TTL values are incremented at each request.

The router uses MPLS Echo Request packets that are IP-routed.

The router collects hop information along the tunnel ' s path.

The router performs an unidirectional LSP test.

Question # 230

Click on the exhibit.

An LDP-over-RSVP tunnel is established between routers R1 and R6. There is a VPN service running between routers R1 and R6. Which of the following is TRUE?

Router R3 swaps both the RSVP-TE LSP label and LDP transport label received with new labels.

Router R3 swaps the VPN service label received with a new label.

Router R3 uses the same RSVP-TE LSP label as the one received from router R2.

Router R3 uses the same LDP transport label as the one received from router R2.

Question # 231

Which of the following statements is TRUE concerning a VPRN data plane flow?

A data packet will receive a service label at the CE and a transport label at the ingress PE.

A data packet intended for a remote CE will have its service label swapped at each P router along the path towards the egress PE.

At the egress PE, the transport label will be popped and the data packet forwarded with the service label.

The service label is popped by the remote CE. The unlabeled packet is forwarded based on the longest match lookup algorithm in the VRF.

All of the above statements are false.

All of the above statements are true.

Question # 232

Which of the following messages is NOT used in T-LDP operation?

Hello message

Init message

Keepalive message

Label Mapping message

ACK message

Question # 233

An Alcatel-Lucent 7750 SR enabled with LDP has multiple equal cost paths to a given FEC. After ECMP is enabled, which of the following is FALSE?

The router has new entries added for the given FEC in its LIB.

The router has new entries added for the given FEC in its FIB.

The router generates a single label for the given FEC and advertises it to all its peers,

The router has multiple LSP tunnels for the given FEC.

Question # 234

Which LSA type is used for OSPF-TE?

Type 8 LSA — Link Local LSA

Type 9 LSA — Link local Opaque LSA

Type 10 LSA — Area local Opaque LSA

Type 11 LSA —AS Opaque LSA

Question # 235

Click on the exhibit.

An LSP path is established on router R1 toward router R6. After router R4 detects that the link between routers R4 and R6 goes down, which of the following will affect the failure propagation time?

The time router R4 takes to send a PATH Error message toward the head-end router.

The time router R4 takes to detect RSVP Hello message timeout from router R6.

The time router R4 takes to send a RESV Error message to the head-end router.

The time router R1 takes to signal an alternate path through router R3.

Question # 236

VPWS allows carriers to offer services such as point-to-point frame-relay, ATM, and Ethernet on a single platform without the need for multiple overlay networks.

TRUE

FALSE

Question # 237

Click on the exhibit.

The link between routers R4 and R6 is down before the LSP is signaled. CSPF is enabled on the LSP. Which of the following conditions is TRUE?

Router R1 sends a PATH message and router R4 sends back a PATH Error message.

Router R1 does not send a PATH message because it detects an error.

Router R1 sends a PATH message and router R4 sends back a PATH Tear message.

Router R1 sends a PATH message and router R4 sends back a RESV Error message.

Question # 238

Click on the exhibit.

An LDP tunnel is established on R1-R2-R4-R6 because the link between routers R3 and R6 is down. With the LDP-IGP Sync feature enabled, what happens immediately after the link is restored?

A new LDP session is established on R1-R3-R6 as soon as the FIB is updated.

The LDP session remains unchanged until the existing path R1-R2-R4-R6 goes down.

A new LDP session is established on R1-R3-R6 as soon as router R1 receives a new label for router R6.

The LDP session remains unchanged until router R3 stops advertising the maximum metric for the link to router R6.

Question # 239

Which of the following about LDP sessions is TRUE?

Frame mode requires multiple sessions between peers.

The lower transport address initiates the session.

Established LDP sessions run over a TCP connection.

An LDP session is established immediately after Init messages are exchanged between peers.

Question # 240

Click on the exhibit.

All links are of equal cost. A CSPF-enabled LSP is configured on R1 to R6. Its fully loose primary path is configured with an " include green " statement and the fully loose secondary path is configured with an " include red " statement.

Which paths will be taken by this LSP?

No primary path is established. The secondary path will take R1-R2-R4-R6.

The primary path will take R1-R3-R5-R6. The secondary path will take R1-R2-R4-R6.

The primary path will take R1-R2-R4-R6. No secondary path is established.

The primary path will take R1-R2-R4-R6. The secondary path will take R1-R3-R5-R6.