4A0-C02 Free Certification Exam Material from Actual4Exams with 638 Questions
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NEW QUESTION 324
Which of the following are trusted boundaries, by default? (Choose two)
- A. An IES SAP
- B. AVPRN SAP
- C. An access port
- D. A VPLS SAP
- E. A network port
Answer: B,E
NEW QUESTION 325
An MC-LAG is configured with default parameters. When a failed interface recovers, the active link reverts to the restored interface.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 326
Click the exhibit button below. Given the slope-policy (below), which of the following statements are TRUE? (Choose two)
- A. The discard probability slope of an in-profile traffic is steeper than that of an out-of-profile traffic.
- B. All out-of-profile traffic will be dropped before that of any in-profile traffic.
- C. When the shared buffer utilization reaches 55%, both in-profile and out-of-profile packets may be dropped.
- D. When the shared buffer utilization is at 61%, only in-profile packets are currently in the shared buffer pool.
- E. The maximum probability with which an out-of-profile packet can be dropped is higher than that of an in-profile packet.
Answer: C,E
NEW QUESTION 327
After configuring OSPF as the PE to CE routing protocol for a VPRN service you get the following output from an Alcatel-Lucent 7750 SR: What is most likely wrong with the configuration?
- A. There is a problem with OSPF authentication
- B. The operational MTU does not match
- C. OSPF is not configured on the CE router
- D. The PE and CE router have different OSPF interface types configured
- E. None of the above
Answer: B
NEW QUESTION 328
Click the exhibit.
Community lists are configured for the PE hub and spoke VPRN. Which communities should be exported by the VPRN service on PE1?
- A. "Hub_Site"
- B. No communities should be exported
- C. "Spoke_Sites"
- D. "Spoke.Sites" and "Hub_Site"
Answer: A
NEW QUESTION 329
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 330
Click the exhibit button below. Each router is interconnected by a single GigE link, as shown in the diagram below.
Note: The arrows show the direction of traffic flow.
Traffic from Customer A and Customer B that is classified to the same forwarding class is queued together at the ingress of Router B.
- A. True
- B. False
Answer: A
NEW QUESTION 331
What happens to a route that is rejected by an import policy on an Alcatel-Lucent 7750 SR?
- A. The route is moved to the route table, but not to the FIB.
- B. The route is discarded.
- C. The route is moved to the LOC-RIB, but not marked as a used route.
- D. The route is kept in the RIB-In, but marked as an invalid route.
Answer: D
NEW QUESTION 332
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 333
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 334
What is the default Alcatel-Lucent 7750 SR TTL of a BGP advertisement between confederation members?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 335
For a Carrier Supporting Carrier (CSC) VPRN where the customer carrier is an ISP that provides Internet connectivity to its end-customers, which of the following is FALSE?
- A. Customer carrier PE routers residing in different sites must run eBGP between them to exchange customers' routes.
- B. MPLS can be used in the customer carrier network to improve scalability.
- C. The customer carrier network can be a pure IP network.
- D. All traffic exchanged between end-customers is carried over a single CSC VRF.
Answer: A
NEW QUESTION 336
In RSTP, which state do all ports initialize in?
- A. Forwarding
- B. Discarding
- C. Root
- D. Designated
- E. Listening
Answer: B
NEW QUESTION 337
How are policy direction and data flow related on the Alcatel-Lucent 7750 SR?
- A. Import policies affect ingress data flow.
- B. Both import and export policies affect ingress data flow.
- C. Policy direction and data flow are independent.
- D. Export policies affect ingress data flow.
Answer: D
NEW QUESTION 338
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 339
Which of the following regarding the withdrawal of routes from one BGP speaker to another is TRUE?
- A. An update message is used. Only a single prefix can be withdrawn at a time.
- B. A withdraw message is used. Multiple prefixes can be withdrawn at a time.
- C. A withdraw message is used. Only a single prefix can be withdrawn at a time.
- D. An update message is used. Multiple prefixes can be withdrawn at a time.
Answer: D
NEW QUESTION 340
CE-A is on VLAN 200 and CE-B is on VLAN 300. Which of the following SAP ids can be configured on PE-A and PE-B to allow direct communication between CE-A and CE-B?
- A. PE-A will require a SAP id of "sap 1/1/1:*" and PE-B will require a SAP id of "sap 1/1/1:*".
- B. PE-A will require a SAP id of "sap 1/1/1:200" and PE-B will require a SAP id of "sap 1/1/1:300.
- C. PE-A will require a SAP id of "sap 1/1/1:0" and PE-B will require a SAP id of "sap 1/1/1:0".
- D. PE-A will require a SAP id of "sap 1/1/1" and PE-B will require a SAP id of "sap 1/1/1".
Answer: B
NEW QUESTION 341
You are configuring spoke SDP termination of a VPLS service on a VPRN interface on an AlcatelLucent 7750 SR. The spoke SDP is running over a NULL encapsulated network port. The best practice is to set the VPRN interface p-mtu equal to what value over a NULL encapsulated network port.
- A. The LMTU found in how router ldp bindings on the VPLS side of the spoke SDP minus14
- B. The SDP path-MTU
- C. The SDP path-MTU minus 14
- D. The configured service-mtu of the VPLS service
- E. The LMTU found in how router ldp bindings on the VPLS side of the spoke SDP
Answer: E
NEW QUESTION 342
If packets egressing a SAP do not match any criteria defined in the SAP-egress policy, which forwarding class will these packets be assigned to?
- A. The default forwarding class defined in the SAP-egress policy.
- B. Best Effort.
- C. The forwarding class inherited from network ingress classification.
- D. If there is no match, packets will be dropped.
Answer: B
NEW QUESTION 343
An Alcatel-Lucent 7750 SR receives two updates for the same route with local preferences 200 and 300, respectively. What local preference is sent to eBGP peers?
- A. 0
- B. 1
- C. None
- D. 2
Answer: C
NEW QUESTION 344
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 345
If the device connected to PE-A in Metro A sends a frame to PE-A that requires replication within the VPLS which devices is PE-A responsible for replicating the frame to?
- A. All of the above
- B. PE-A must replicate the frame to all PEs within Metro A
- C. PE-A must replicate the frame to all devices in the Metro A
- D. PE-A must replicate the frame to all devices participating in the VPLS
Answer: B
NEW QUESTION 346
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