[Jan 13, 2022] Valid 4A0-C02 Test Answers & Nokia 4A0-C02 Exam PDF
Realistic 4A0-C02 Exam Dumps with Accurate & Updated Questions
NEW QUESTION 285
What are the limitations of a traditional layer 2 switch? (Choose 3}
- A. Isolates collision domains.
- B. Slow response to topology changes.
- C. Increased flooding.
- D. Limited to 4094 vlans per switch.
- E. Requires layer 2 loop prevention.
Answer: B,D,E
NEW QUESTION 286
Click on the exhibit below.
The following IP filter has been configured and applied to a SAP in a non-VPLS service. Which of the following statements is true?
- A. An error will be generated and the configuration will not be allowed.
- B. All traffic matching entry 20 will be dropped.
- C. Traffic matching entry 20 will be forwarded to sdp 100:1.
- D. The filter entry will be ignored and traffic matching the criteria will be forwarded
Answer: B
NEW QUESTION 287
Which of the following protocols does the Alcatel-Lucent 7750 SR support to signal VPRN service labels?
- A. RSVP-TE
- B. Targeted-LDP
- C. BGP
- D. MP-BGP
Answer: D
NEW QUESTION 288
An SDP has been configured for a VPRN service using an existing MPLS LSP and the configuration shown below. Which of the statements below is true about the configuration on an Alcatel-Lucent 7750 SR?
- A. The configuration is incorrect as VPRN service does not support spoke-sdp configuration using MPLS LSPs
- B. The configuration is complete and correct
- C. The configuration is incomplete as the uto-bind command is missing
- D. The configuration is incomplete as the ignaling off command is missing
- E. The configuration is incorrect as Line 8 should be poke-sdp 42 mpls create
Answer: D
NEW QUESTION 289
Which of the following parameters are used in a hierarchical scheduler-policy to specify the priority of the child scheduler/queue for allocating bandwidth beyond its committed rate? (Choose two)
- A. Rate
- B. Weight
- C. CIR weight
- D. Level
- E. CIR level
- F. CIR
Answer: B,D
NEW QUESTION 290
On the Alcatel-Lucent 7750 SR, what is a slope policy used for?
- A. Defining the high and low slope values when deploying buffer admission control for UDP traffic in the committed buffer pool.
- B. Defining the high and low slope values when deploying buffer admission control for TCP traffic in the committed buffer pool.
- C. Defining the high and low slope values when deploying buffer admission control for TCP traffic in the shared buffer pool.
- D. Defining the slope of the scheduling rate per forwarding class when using HQoS.
- E. Defining the slope of the TCP slow-start mechanism for self generated traffic.
Answer: C
NEW QUESTION 291
Click on the exhibit below.
Study the diagram shown. What consideration should be given to the transport tunnel of SDP 300?
- A. The SDP must follow the same path as the user's SDP.
- B. The SDP must be the same as the user's SDP.
- C. The SDP must be configured to use GRE encapsulation.
- D. The SDP should be configured to use an RSVP signaled transport with fast reroute.
Answer: D
NEW QUESTION 292
Click the exhibit.
AS-override is configured on PE1 to eliminate the BGP loops. What is the expected AS-Path in the VPN-IPv4 route 64496:10:192.168.2.0/27 received by PE1?
- A. 64497 64497
- B. 0
- C. 64496 64497
- D. 1
Answer: D
NEW QUESTION 293
Which of the following statements is false?
- A. VPLS provides L2 VPN services to CEs.
- B. VPLS is a point-to-point service where CEs are presented with point-to-point virtual circuits.
- C. VPLS is a bridged LAN service.
- D. CEs that are members of the same VPLS service instance communicate with each other as if they are connected via a bridged LAN.
Answer: B
NEW QUESTION 294
Which of the following devices would typically have VRF instances?
- A. Any CE device
- B. Any PE device
- C. Any router in the service provider core
- D. Any P device
- E. Any customer router
Answer: B
NEW QUESTION 295
How was standard BGP modified to allow it to carry routing information for VPRNs?
- A. By defining Extended Communities for use as the Route Target
- B. By adding an additional field to the BGP Update to carry the VPRN label
- C. By using the MED attribute to carry the OSPF metric.
- D. By defining support for the VPN-IPv4 address family
- E. By using the Cluster List attribute to carry the network prefix
Answer: D
NEW QUESTION 296
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 297
Which of the following describes the setting of the l-SID on the Alcatel-Lucent 7750 SR?
- A. The I-SID is set to the service-id, unless the service-id is larger than a 24 bit value. In this case the I-SID must be explicitly configured.
- B. The I-SID is set to 0 by default and is only used for interop purposes. The receiving PE uses the service label to determine the I-VPLS.
- C. The I-SID is always set to the service-id by default.
- D. There is no default value. The I-SID must always be explicitly configured
Answer: A
NEW QUESTION 298
Which of the following statements regarding BGP route selection is TRUE?
- A. Higher origin code is preferred over lower origin code.
- B. Lower BGP router ID is preferred over higher BGP router ID .
- C. Lower local preference is preferred over higher local preference.
- D. Higher MED is preferred over lower MED
Answer: B
NEW QUESTION 299
Click on the exhibit below.
In the diagram below, SAP 1 is put into the blocking state as a result of the spanning tree protocol. What will occur in the VPLS instance if SAP 2 goes down and SAP 1 transitions to the forwarding state? Select the most accurate statement.
- A. An LDP control message will be sent to all devices in the mesh participating in the VPLS instance. The entire FDB in the VPLS instance will be flushed.
- B. An LDP control message will be sent to all devices in the mesh participating in the VPLS instance. Only MAC addresses associated with the PE that the failure occurred on will be flushed.
- C. A Spanning Tree BPDU will be sent across the mesh flushing the FDB table in all devices participating in the VPLS instance.
- D. Stale information will be used within the VPLS instance to forward traffic until the FDB ages out.
Answer: A
NEW QUESTION 300
Which of the following parameters does NOT have to match for an iBGP session to be successfully established?
- A. BGP version number.
- B. The Hold Time.
- C. The local AS number.
- D. Authentication.
Answer: B
NEW QUESTION 301
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