[2022] Free 4A0-C02 Exam Dumps to Pass Exam Easily
4A0-C02 Exam Dumps, 4A0-C02 Practice Test Questions
Nokia 4A0-C02 Exam Syllabus Topics:
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NEW QUESTION 131
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 R1?
- A. Option C
- B. Option B
- C. Option D
- D. Option A
Answer: A
NEW QUESTION 132
What is the maximum number of VLANs supported on a traditional Layer 2 switch?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 133
AS 65540 is using MPLS to provide BGP shortcuts for its iBGP routing. AS 65541 is advertising prefix 192.168.1.0/27 into BGP. Which routers have the BGP update for the advertised prefix in their BGP table?
- A. Routers R1, R4 and R5 only.
- B. Routers R1, R2, R3 and R4 only.
- C. Routers R1, R2, R3, R4 and R5.
- D. Routers R1and R4 only.
Answer: A
NEW QUESTION 134
Which of the following about self-generated traffic QoS is TRUE?
- A. DSCP bits can be set per application, per routing instance.
- B. The DSCP marking stays ncl for all applications; only the internal forwarding class is manipulated across different applications.
- C. Self-generated traffic can be marked at Layer 2 no matter what encapsulation is used on the network interfaces.
- D. The internal forwarding class for self-generated traffic is set once and applied to the base router and all VPRN instances.
Answer: D
NEW QUESTION 135
In IEEE 802.1ag, which two key functions are configured on bridge ports (SAPs and SDPs) to support CFM messages? (Choose 2)
- A. MUP
- B. MIP
- C. MAP
- D. MEP
Answer: B,D
NEW QUESTION 136
Click the exhibit button below. Given the SAP-ingress policy, which of the following statements are TRUE? (Choose three)
- A. All AF traffic will be marked "in-profile" at the SAP-ingress.
- B. All TCP traffic will be mapped to forwarding class EF
- C. Traffic that does not match any of the IP criteria will be placed in queue 3.
- D. UDP traffic is placed in queue 3 while ICMP traffic is placed in queue 5.
- E. EF traffic will receive higher scheduling priority than H2 traffic.
Answer: A,C,E
NEW QUESTION 137
Why is it best practice to set the bridge priority in an STP network? (Choose 2)
- A. So that you know which links will be active in your network.
- B. To allow all ports on the root switch to become alternate ports.
- C. This is not a best practice. Any switch can be used as the root bridge.
- D. To prevent a new switch from becoming root when added to the network.
Answer: A,D
NEW QUESTION 138
Click the exhibit.
Assuming that the as-override command is used, what is the most likely location of prefix 10.1.2.0/24?
- A. There are two Autonomous Systems between the local AS and the AS that originated the prefix.
- B. There is a single Autonomous System between the local AS and the AS that originated the prefix.
- C. The prefix is located in an Autonomous System directly connected to this router.
- D. The prefix is located in Autonomous System 65100.
Answer: B
NEW QUESTION 139
Click the exhibit.
For the inter-AS model C VPRN, how many labels does PE1 push on a data packet received from CE1 and destined to CE2?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 140
When a PE node receives a PBB encapsulated frame on a B-VPLS, how does the PE determine which l-VPLS it belongs to?
- A. The l-TAG in the l-SID is inspected to determine where the frame should be delivered.
- B. The PE inspects the service label in the MPLS header before stripping the B-MAC header.
- C. The l-SID in the l-TAG is inspected to determine where the frame should be delivered.
- D. When the B-MAC header is stripped the customer MAC address is then looked up in the FDB
Answer: C
NEW QUESTION 141
Redundant spoke-SDPs are used between 2 Metro networks for redundancy. How can load balancing be achieved across the redundant spoke-SDPs?
- A. Two management VPLS using RSTP can be used to block different SDPs for different VPLS services.
- B. A single management VPLS using 802.1D-2004 can be used to block different SDPs for different VPLS services
- C. A single management VPLS using RSTP can be used to block different SDPs for different VPLS services.
- D. There is no way to have load balancing across redundant spoke-SDPs.
Answer: A
NEW QUESTION 142
How are local CE routes associated with the appropriate VRF at the PE?
- A. Based on the Route Target.
- B. Based on the Route Distinguisher.
- C. Based on the Service Identifier.
- D. Based on the interface on which they are received.
Answer: D
NEW QUESTION 143
If the max remote-age timer of a B-VPLS is reached, what happens to the remotely learned MAC addresses in the l-VPLS service?
- A. By default, the remote-age timer of the B-VPLS is configured to 0 and addresses do not age out. The l-VPLS uses its own timer.
- B. The same timer is used for B-VPLS and l-VPLS addresses on the node.
- C. The MAC addresses for the l-VPLS will age out immediately following the remote-age out of the backbone-macs of the B-VPLS.
- D. There is no effect. The MAC addresses for the l-VPLS age out independently of the aging of B-VPLS addresses.
Answer: C
NEW QUESTION 144
Click the exhibit.
When configuring a VPRN service on an Alcatel-Lucent 7750 SR, where should the policy be applied?
- A. On the PE under the OSPF context
- B. On the CE under the BGP context
- C. On the CE under the OSPF context
- D. On the PE under the BGP context
- E. This policy is not required.
Answer: E
NEW QUESTION 145
Five VPLS services have been configured between two PE routers. What is the minimum amount of SDPs that must be configured?
- A. 10-five in each direction.
- B. None of the above.
- C. 5-one for each service.
- D. 2-one in each direction.
Answer: D
NEW QUESTION 146
Click the exhibit.
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 R7?
- A. (65200) 65100
- B. (65204 65206 65202) 65100
- C. 65206 65202 65100
- D. (65206 65202)65100
Answer: D
NEW QUESTION 147
Click the exhibit.
Which of the following statements best describes the BGP sessions within the given network?
- A. The session between AS 65202 and AS 65206 is an iBGP session.
- B. The session between AS 65204 and AS 65206 is an intra-confederation eBGP session.
- C. The BGP sessions within the member ASs are known as inter-confederation BGP sessions.
- D. A BGP session is required between AS 65202 and AS 65204.
Answer: B
NEW QUESTION 148
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 alternate ports in the topology
- D. The same as the number of root ports
Answer: B
NEW QUESTION 149
Click the exhibit.
For the PE hub and spoke VPRN, on which PE(s) should the VPRN service command target export target: 65100:1 import target: 65100: 2 " be configured?
- A. PE1
- B. PE2, PE3 and PE4
- C. PE1, PE2, PE3 and PE4
- D. This command is not required for the configuration of this PE hub and spoke VPRN.
Answer: A
NEW QUESTION 150
What command is required to configure the PE devices for a VPRN service on an Alcatel-Lucent 7750 SR?
- A. Family vprn-ipv4
- B. Family vpn-ipv4
- C. Address-family vprn
- D. Address-family vprn-ipv4
- E. Address-family vpn-ipv4
- F. Family vprn
Answer: B
NEW QUESTION 151
Forwarding subclasses are only relevant to, and are therefore applied within the context of, a _____________policy.
- A. SAP-ingress
- B. network
- C. slope
- D. scheduling
- E. network-queue
Answer: A
NEW QUESTION 152
Why is MAC explosion a factor to be considered when designing a large VPLS network? (Choose 2)
- A. It could take several seconds to relearn thousands of MAC addresses denying QoS/SLA guarantees.
- B. The time to relearn thousands of MAC addresses may result in excessive flooding or loss of packets.
- C. If the FDB reaches the limit, the router will discard frames.
- D. Discarding frames when the FDB limit is reached could deny SLA guarantees.
Answer: A,B
NEW QUESTION 153
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