[Jan-2022] Verified Nokia 4A0-C02 Bundle Real Exam Dumps PDF [Q287-Q305]

[Jan-2022] Verified Nokia 4A0-C02 Bundle Real Exam Dumps PDF

4A0-C02 Dumps PDF New [2022] Ultimate Study Guide

Nokia 4A0-C02 Exam Syllabus Topics:

Topic	Details
Topic 1	Implement loop prevention in VPRN using multiple techniques Describe the use of active and standby pseudowires to achieve redundancy instead of STP
Topic 2	Understand full, hub and spoke, and extranet VPRN topologies Plan and implement a basic BGP network using Nokia SR OS
Topic 3	Understand the operation of Inter-AS VPRN model A, model B and model C Describe the effect of using advertise-external feature on BGP route propagation
Topic 4	Describe the operation of providing Internet access using various techniques Demonstrate a sound understanding of BGP mechanics and the role of BGP attributes
Topic 5	Explain the concept of a hierarchical VPLS and its benefits for large VPLS networks Describe the advantages of a VPLS and configure a VPLS service
Topic 6	Explain the key scalability concerns in large VPLS deployments Manage a VPLS infrastructure, and troubleshoot and repair a misconfigured VPLS
Topic 7	Implement loop control mechanisms such as rapid spanning tree in a VPLS environment Describe the role of BGP in service provider networks
Topic 8	Configure and verify BGP advertise-external, add-paths, and FRR on Nokia SR Describe the operation of BGP fast reroute
Topic 9	Describe the operation of the basic VPRN architecture Explain the interaction between BGP and interior gatewayprotocol (IGP)
Topic 10	Successfully configure, monitor and troubleshoot a network of multiple BGP peers Implement BGP policies in an Nokia environment
Topic 11	Describe the basic Internet Architecture and related elements Scale iBGP by deploying confederations or route reflections
Topic 12	Define management VPLS (M-VPLS) and how it can be used with STP to provide redundancy and load balancing Explain BGP add-paths feature
Topic 13	Describe the operation of advanced VPRN topologies and services Verify and troubleshoot the results of the policies configurations

 

NEW QUESTION 287
Which method does the Alcatel-Lucent 7750 SR use for the allocation of VPRN labels?

• A. One label per next-hop
• B. One label per tunnel
• C. One label per VRF
• D. One label per prefix
• E. One label per route

Answer: C

 

NEW QUESTION 288
Which of the following statements regarding egress FC and profile over-ride are TRUE? (Choose two)

• A. Packets can be classified into 16 different FCs when using priority mode queuing.
• B. MPLS EXP bits can be changed based on multi-field classification.
• C. If a Behavior Aggregate (BA) and Multi-field (MF) match occurs, only the MF override parameters will take effect.
• D. This feature is available on egress SAPs within any service.
• E. If a Behavior Aggregate (BA) and Multi-field (MF) match occurs, the BA classification can override the forwarding class while the MF classification can override the profile.

Answer: D,E

 

NEW QUESTION 289
When deploying Active/Standby pseudowires, the CE does not require any special configuration

• A. FALSE
• B. TRUE

Answer: A

 

NEW QUESTION 290
Which of the following is NOT a viable option when implementing inter-AS VPRN?

• A. MP-eBGP exchange of VPN-IPv4 routes between PEs residing in different autonomous systems.
• B. MP-eBGP exchange of labeled IPv4 routes between route reflectors residing in different autonomous systems.
• C. MP-eBGP exchange of VPN-IPv4 routes between ASBRs residing in different autonomous systems.
• D. A VRF-to-VRF connection at the autonomous system border routers.

Answer: B

 

NEW QUESTION 291
During the process of troubleshooting a VPLS problem the "oam mac-purge" command with "register" option was used to purge a MAC address from the FDB. Which of the following statements is true?

• A. Customer traffic destined to the MAC address that was purged will be dropped until the MAC address is relearned with the "oam mac-populate" command.
• B. Relearning of the MAC address that was purged can only be done with the "oam mac-register" command.
• C. Relearning of the MAC address that was purged can only be done with the "oam mac-populate" command.
• D. Relearning of the MAC address that was purged can only be done once customer traffic resumes.

Answer: C

 

NEW QUESTION 292
Click the exhibit.

Which VPRN type produces the output shown on router R1?

• A. APE hub and spoke VPRN
• B. ACE hub and spoke VPRN
• C. An extranet VPRN
• D. A full mesh VPRN

Answer: C

 

NEW QUESTION 293
What is the SA in the Ethernet frame used for by a layer 2 switch?

• A. SA filtering
• B. MAC learning
• C. Frame forwarding
• D. Routing table population

Answer: B

 

NEW QUESTION 294
Click the exhibit.

Based on the VPRN aggregate route configuration, which routes are advertised to CE2?

• A. 172.12.0.0/16 only
• B. 172.0.0.0/16 only
• C. 172.12.10.0/24 and 172.12.20.0/24
• D. 172.12.10.0/24, 172.12.20.0/24 and 172.0.0.0/16

Answer: C

 

NEW QUESTION 295
Assume a CE router is connected to the SAP of each PE. The arp cache of all CE routers is empty and the FDB for VPLS 300 is empty. The CE router connected to PE-A initiates a ping towards the CE router connected to PE-C. The ping is successful. Which of the following statements are true? (Choose 2)

• A. The FDB on PE-A will contain entries for all CE routers.
• B. The FDB on PE-C will contain entries for the CE router connected to PE-A and the CE router connected to PE-C.
• C. The FDB on PE-B will contain an entry for the CE router connected to PE-A.
• D. The FDB on PE-B will contain an entry for all CE routers.

Answer: B,C

 

NEW QUESTION 296
Which of the following statements BEST describes where shaping mechanisms should be applied?

• A. On low-speed WAN links.
• B. On all ports on the Alcatel-Lucent 7750 SR.
• C. At the junction of high-speed to low-speed links or at places of traffic aggregation.
• D. At the junction of low-speed to high-speed links or at places of traffic aggregation.
• E. Nowhere. Shaping is only performed in hardware and serviced in a round-robin.

Answer: C

 

NEW QUESTION 297
One of the shortcomings of Spanning Tree Protocol (STP) is that it computes a valid, but not necessarily optimal, path between nodes within a network.

• A. FALSE
• B. TRUE

Answer: B

 

NEW QUESTION 298
Over which BGP session will router B learn the 10.1.1.0/24 prefix?

• A. Router B will learn the prefix over all of the sessions, then it will choose the best route.
• B. The session between router A and router B
• C. The session between router C and router B.
• D. The session between router D and router B.

Answer: B

 

NEW QUESTION 299
Traffic assigned to forwarding classes is placed into queues, while the contents of the queues are serviced in a controlled manner using____________.

• A. schedulers
• B. WRED
• C. shapers
• D. weighted fair queues (WFQ)
• E. markers

Answer: A

 

NEW QUESTION 300
Which of the following are characteristics of DSCP? (Choose two)

• A. DSCP is a 6-bit field.
• B. DSCP specifies 128 different per-hop behaviors.
• C. DSCP is part of the Layer 3 header.
• D. DSCP is part of the Layer 2 header
• E. DSCP specifies eight different priorities.
• F. DSCP specifies four precedence levels.

Answer: A,C

 

NEW QUESTION 301
How many designated ports are there in a spanning tree topology?

• A. 1 per switch
• B. 1 per segment
• C. The same as the number of root ports
• D. The same as the number of alternate ports in the topology

Answer: B

 

NEW QUESTION 302
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 none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R2?

• A. Option D
• B. Option B
• C. Option A
• D. Option C

Answer: C

 

NEW QUESTION 303
AS 65100 is advertising 192.168.1.0/27 into BGP. Which of the following AS Paths would the prefix 192.168.1.0/27 contain when viewed on router R8?

• A. 65200 (65206 65202) 65100
• B. (65206 65202)65100
• C. 65250 (65206 65202) 65100
• D. 65200 65100

Answer: D

 

NEW QUESTION 304
MAC explosion is best described as a large amount of MAC addresses being withdrawn and relearned?

• A. FALSE
• B. TRUE

Answer: B

 

NEW QUESTION 305
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