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NEW QUESTION 134
Which of the following about inter-AS model C VPRNs is FALSE?
- A. Within each AS, MP-iBGP sessions are established to exchange VPN-IPv4 prefixes between the PE routers.
- B. Within each AS, the ASBR advertises the system addresses of remote PE routers as labeled IPv4 routes.
- C. ASBRs exchange the system addresses of PE routers as VPN-IPv4 routes over MP-eBGP.
- D. PE routers in different ASs exchange VPRN routing information directly over MP-eBGP.
Answer: C
NEW QUESTION 135
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. Stale information will be used within the VPLS instance to forward traffic until the FDB ages out.
- B. 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.
- C. 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.
- D. A Spanning Tree BPDU will be sent across the mesh flushing the FDB table in all devices participating in the VPLS instance.
Answer: B
NEW QUESTION 136
Click the exhibit.
The AS-path nullification method is used to prevent CE2 from discarding routes received from CE1. On which router should the AS-path nullification policy be configured?
- A. CE2
- B. PE2
- C. PE1
- D. CE1
Answer: C
NEW QUESTION 137
Given the scheduler-policy parameters shown, and assuming the offered rate of each queue is 10 Mbps, what are the operational PIR and CIR for queue 1?
- A. PIR = 5 Mbps, CIR = 5 Mbps
- B. PIR = 4 Mbps, CIR = 1 Mbps
- C. PIR = 10 Mbps, CIR = 1 Mbps
- D. PIR = 1.25 Mbps, CIR = 1.25 Mbps
- E. PIR = 1 Mbps, CIR = 1 Mbps
Answer: A
NEW QUESTION 138
The following policies are configured and exported using "export "Policy-1" "Policy-2"". Assuming both "Client-1" and "Client-2" are properly defined on the router, which routes are advertised?
- A. Neither Client-1 nor Client-2 routes.
- B. Client-2 routes only.
- C. Client-1 routes only.
- D. Client-1 and Client-2 routes.
Answer: D
NEW QUESTION 139
Which of the following about inter-AS model B VPRN is FALSE?
- A. The ASBRs peer with each other to transport VPN-IPv4 routes between autonomous systems.
- B. PE routers distribute VPN-IPv4 routes to their local ASBR.
- C. One single ASBR is required in each AS to hold the routes for all VPRNs.
- D. Model B does not require the configuration of VPRN instances on ASBRs.
Answer: C
NEW QUESTION 140
What is the name of the feature supported on the Alcatel-Lucent 7750 SR that prevents MAC explosion in large VPLS deployments?
- A. PBB
- B. H-VPLS
- C. MC-EP
- D. M-VPLS
Answer: A
NEW QUESTION 141
Which of the following describes how a route is handled when is received at the PE from the local CE?
- A. It will be placed into the customer VRF and then be propagated to the BGP table only if BGP is used as the PE-CE protocol
- B. It will be placed into the customer VRF and automatically propagated into the BGP table
- C. It will be placed into the customer VRF and require an export policy to be propagated to the BGP table if RIP is used as the PE-CE protocol
- D. It will be placed into the customer VRF and require an export policy to be propagated to the BGP table
- E. It will be placed into the customer VRF and require an export policy to be placed into the BGP table if a protocol other than BGP is used as the PE-CE protocol
Answer: B
NEW QUESTION 142
Which priority-mode queue parameter may influence both the profile marking, and scheduling priority of a queue?
- A. PIR
- B. CIR
- C. MBS
- D. burst-limit
Answer: C
NEW QUESTION 143
Click the exhibit.
For the CE hub and spoke VPRN, which of the following is FALSE?
- A. PE1 advertises the primary VRF routes to CE1.
- B. All traffic between spoke sites must pass through CE1.
- C. The primary VRF on PE1 contains routes learned from spoke sites.
- D. The secondary VRF on PE1 is used to route data packets from the hub CE to the spoke sites.
Answer: D
NEW QUESTION 144
Click on the exhibit below.
Based on the output below which of the following statements is true? (Choose 2)
- A. VPLS 1500 is management VPLS.
- B. VPLS1500 is a user VPLS.
- C. Spanning tree BPDUs for the management VPLS are tagged.
- D. Spanning tree BPDUs for the management VPLS are untagged.
Answer: B,D
NEW QUESTION 145
Click the exhibit.
Router R6 is a route reflector for clients R1, R2 and R5 with local preferences 100, 200 and 500 respectively. Router R3 advertises prefix 192.168.1.0/27 to routers R1, R2 and R5 which are configured with advertise-external. Routers R4 and R6 are both configured with "add-paths ipv4 send 2 receive". Which routes to 192.168.0.1/27 is router R4 expected to have in its BGP routing table?
- A. The routes from routers R2 and R5.
- B. The routes from routers R1and R2.
- C. Two routes are chosen at random and advertised to router R4.
- D. The routes from routers R1, R2 and R5.
Answer: A
NEW QUESTION 146
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 TCP slow-start mechanism for self generated traffic.
- E. Defining the slope of the scheduling rate per forwarding class when using HQoS.
Answer: C
NEW QUESTION 147
Which of the following is NOT one of the four elements in the Nokia 7750 SR QoS solution'
- A. Encapsulation
- B. Classification
- C. Scheduling
- D. Marking/Remarking
Answer: A
NEW QUESTION 148
Click the exhibit.
Which of the following is a valid confederation configuration for Router R2?
- A. Option D
- B. Option B
- C. Option A
- D. Option C
Answer: D
NEW QUESTION 149
Click the exhibit.
Router R3 is configured with an import policy to reject updates with an AS Path matching the regular expression ".+ 65540". Which of the following regarding updates originating in AS 65540 is TRUE?
- A. Router R3 rejects all updates originating in AS 65540.
- B. Router R3 accepts updates from both routers R1 and R2.
- C. Router R3 accepts updates transited through router R2 and rejects updates received from router R1.
- D. Router R3 accepts updates received from router R1 and rejects updates transited through router R2.
Answer: D
NEW QUESTION 150
Assume PE-B expects avian tag as part of the RFC 4762 (Martini) encapsulation. How must PE-A be configured?
- A. All of the above.
- B. The SDP VC type must be configured as type VLAN and the correct vlan-vc-tag must be specified.
- C. The port that the SAP belongs to must have the correct ether type configured.
- D. The SAP must be configured with the right VLAN tag.
Answer: B
NEW QUESTION 151
Router R6 is a route reflector for clients R1, R2 and R5 with local preferences 100, 200 and 500 respectively. Router R3 advertises prefix 192.168.1.0/27 to routers R1, R2 and R5 which are configured with advertise-external. Routers R4 and R6 are both configured with "add-paths ipv4 send 2 receive". Which routes to 192.168.0.1/27 is router R4 expected to have in its BGP routing table?
- A. The routes from routers R2 and R5.
- B. The routes from routers R1and R2.
- C. Two routes are chosen at random and advertised to router R4.
- D. The routes from routers R1, R2 and R5.
Answer: A
NEW QUESTION 152
Click on the exhibit below.
Which ports will become root ports? (Choose 3)
- A. Bridge D 1/1/1
- B. Bridge E 1/1/3
- C. Bridge E 1/1/1
- D. Bridge C 2/1/1
- E. Bridge B 1/1/2
- F. Bridge B 1/1/3
- G. Bridge D 1/1/3
- H. Bridge C 1/1/2
Answer: D,E,G
NEW QUESTION 153
Which command will display the Route Target associated to a specific prefix on an Alcatel-Lucent 7750 SR?
- A. Either (b) or (d)
- B. Show router bgp routes
- C. Show router bgp routes <prefix> detail
- D. Show router route-table
- E. Show router <service-id> route-table
Answer: C
NEW QUESTION 154
An autonomous system has 7 routers configured with BGP. How many iBGP sessions are required for a fully meshed configuration?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 155
Which of the following statements best describes the output from an Alcatel-Lucent 7750 SR shown below?
- A. The As-Path is not present as VPN-IPv4 routes do not propagate the IPv4 As-Path BGP attribute
- B. The As-Path is not present as it was removed with the s-override configuration command
- C. The As-Path is not present as it was removed with the o-as-path configuration command
- D. The As-Path is not present as a policy was configured to set it to the null value
Answer: D
NEW QUESTION 156
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