[Apr-2022] Verified 4A0-C04 dumps Q&As - 4A0-C04 dumps with Correct Answers
The Best Nokia Network Routing Specialist II (NRS II) Study Guide for the 4A0-C04 Exam
NEW QUESTION 94
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?
- A. The router updates the information in its LSDB with the information received from its neighbor.
- B. The router sends a link-state update to its neighbor.
- C. The router takes no action.
- D. The router sends a link-state request to its neighbor.
- E. The router sends a link-state acknowledgement to its neighbor.
Answer: B
NEW QUESTION 95
Click the exhibit.
Based on this output from PE router R1, how many other PEs are participating in the VPRN?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 96
Refer to the exhibit.
Assume that OSPFv3 is properly configured on all routers and that R4 advertises its system prefix into Area 0.
Which of the following statements best describes how R5 learns R4's IPv6 system prefix?
- A. With an Inter-Area Prefix LSA originated by R5
- B. With a Router LSA originated by R1
- C. With an Inter-Area Prefix LSA originated by R4
- D. With an Inter-Area Prefix LSA originated by R1
- E. With a Router LSA originated by R5
- F. With a Router LSA originated by R4
Answer: D
NEW QUESTION 97
Click the exhibit button.
If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 preference of these two routes? Choose two answers.
- A. The OSPF external preference
- B. The OSPF internal preference
- C. The IS-IS Level 2 internal preference
- D. The IS-IS Level 2 external preference
- E. The IS-IS Level 1 internal preference
- F. The IS-IS Level 1 external preference
Answer: A,E
NEW QUESTION 98
Which of the following regarding the location of an MPLS label is FALSE?
- A. The MPLS label value may be carried in a shim header.
- B. The MPLS label value may be carried in an OSPF header.
- C. The MPLS label value may be carried in an ATM header.
- D. The MPLS label value may be carried in a Frame Relay header.
Answer: B
NEW QUESTION 99
Which of the following prefix-lists is the most specific match for prefix 172.31.2.1/24?
- A. Prefix 172.31.0.0/22 longer.
- B. Prefix 172.16.0.0/12 longer.
- C. Prefix 172.31.0.0/24 exact.
- D. Prefix 172.31.0.0/23 longer.
Answer: A
NEW QUESTION 100
Which of the following about the Isp-ping command on the Nokia 7750 SR is FALSE?
- A. Echo reply packets may not take the same path as the LSP.
- B. The test fails if the LSP is not operationally up.
- C. The IP destination address is used to initiate echo requests,
- D. An echo request is sent based on the LSP's label stack.
Answer: C
NEW QUESTION 101
On an Nokia 7750 SR, what is the recommended approach for making sure that MTUs between a VPLS and its spoke IES termination match?
- A. Set the ip-mtu of the IES to match the service MTU of the VPLS.
- B. Set the service MTU of the VPLS to match the IES MTU.
- C. Set the SDP MTU of the IES to match the SDP MTU of the VPLS.
- D. Set the MTU of the IES's network port to match the service MTU of the VPLS.
Answer: A
NEW QUESTION 102
Click the exhibit.
Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.
Assuming that router R6 is configured with "advertise-external", what is the expected output of "show router bgp routes" when executed on router R1?
- A. Option C
- B. Option B
- C. Option A
- D. Option D
Answer: D
NEW QUESTION 103
What are the default Hello and Dead timer intervals for OSPF on the Nokia 7750 SR?
- A. 10 and 40 seconds
- B. 5 and 15 seconds
- C. 10 and 30 seconds
- D. 5 and 20 seconds
Answer: A
NEW QUESTION 104
Click on the exhibit.
Which of the following is FALSE?
- A. The router can reach prefix 192.10.1.2/32 through a RSVP-TE tunnel.
- B. The router 10.10.10.2 is the egress router of the prefix 192.10.1.2/32.
- C. The router can reach prefix 192.10.1.2/32 through an LDP tunnel.
- D. The Isp-ping tool is used to perform a unidirectional LSP test.
Answer: A
NEW QUESTION 105
Click the exhibit button.
The following command sequence is executed on router R2:
* A: R2# configure router ospf router-id 10.10.10.99
* A: R2# configure router router-id 10.10.10.66
On router R1, what router ID appears for router R2 directly after these commands are executed?
- A. 10.10.10.2
- B. 10.10.10.66
- C. 10.10.10.99
- D. 10.10.10.1
Answer: A
NEW QUESTION 106
What must be configured on the Nokia 7750 SR for RIP to advertise locally attached links?
- A. A policy statement within the router identifying what is to be advertised
- B. Access-lists denoting what is to be advertised
- C. Default metrics for each link
- D. A group and neighbor statement for each peer
Answer: A
NEW QUESTION 107
Which of the following statements regarding BGP Fast Reroute is FALSE?
- A. BGP Fast Reroute is independent of number of affected prefixes.
- B. The backup path is pre-computed and installed in the FIB.
- C. BGP Fast Reroute uses the optimal path to the destination.
- D. BGP Fast Reroute is triggered by IGP events.
Answer: C
NEW QUESTION 108
Which of the following statements about SAPs that are part of a VPVVS is FALSE?
- A. SAPs can be defined on Ethernet, POS, Sonet/SDH, or TDM channels.
- B. Only one SAP is required for a service that originates and terminates on the same Nokia 7750 SR.
- C. Multiple SAPs can be defined on the same port.
- D. SAPs can have QoS policies assigned to them.
Answer: B
NEW QUESTION 109
Which of the following about Type 10 opaque LSAs is TRUE?
- A. Type 10 opaque LSAs are flooded to all areas of the routing domain.
- B. Type 10 opaque LSAs are supported by IS-IS.
- C. Type 10 opaque LSAs are used for traffic engineering support.
- D. Type 10 opaque LSAs are stored in an LSDB.
Answer: C
NEW QUESTION 110
What is the default priority value used for electing the DR on an Nokia 7750 SR running OSPF on an Ethernet?
- A. Priority of 1
- B. Priority of 255
- C. Priority of 0
- D. Priority of 64
Answer: A
NEW QUESTION 111
Which LSA type is not found in point-to-point only OSPF networks?
- A. Type 2 Network LS A
- B. Type 5 External LSA
- C. Type 3 Summary LSA
- D. Type 1 Router LSA
Answer: A
NEW QUESTION 112
In an IP datagram, which field identifies the receiving application
- A. The protocol field of the network layer header
- B. The port field of the transport layer header
- C. The protocol field of the transport layer header
- D. The port field of the network layer address
Answer: B
NEW QUESTION 113
Which of the following devices assumes the active role during the establishment of an LDP session?
- A. The peer with the lower transport address.
- B. The peer with the higher physical address.
- C. The peer that generated the first Hello message.
- D. The peer with the higher transport address.
- E. The peer with the lower physical address.
Answer: D
NEW QUESTION 114
How many service labels must be signaled to bring up a fully-meshed VPLS among three PE routers?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 115
Click on the exhibit.
When router R1 forwards a PATH message to router R2, which of the following about the PATH message's IP header is TRUE?
- A. The source address is R1's egress interface address.
- B. The HOP object includes R2's system address.
- C. The destination address is R2's ingress interface address.
- D. The options field is set to router alert.
Answer: D
NEW QUESTION 116
Which of the following is TRUE if the local state of BGP is OpenConfirm?
- A. The local system has sent a Keepalive message to its neighbor and is waiting to receive one back.
- B. The local system has sent an Open message to its neighbor and is waiting to receive one back.
- C. The local system has received a Keepalive message and is ready to exchange updates.
- D. The local system is exchanging Update messages with its neighbor.
Answer: A
NEW QUESTION 117
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