Exam Code: 4A0-M01 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Alcatel-Lucent IP/MPLS Mobile Backhaul Transport
Certification Provider: Alcatel-Lucent
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Q71. With which message type does an IEEE l583v2/Precision Time Protocol (PTP) v2 slave announce itself on the network? 

A. Sync_Request 

B. Announce_Request 

C. Announce 

D. Delay_Request 

Answer: B 


Q72. Which statement correctly describes a Point-to-Point (PPP) Multilink Protocol (MP) frame characteristic? 

A. The MP frame header carries the Layer 3 payload fragment offset value 

B. The CLS field identifies the frame's Differentiated Services Code Point (DSCP) value 

C. Only the first fragment in a sequence carries the Layer 3 payload header 

D. The frame's B and E bits indicate payload discard eligibility 

Answer: C 


Q73. Given the configuration shown, and the following condition: 

. The preferred route to prefix 192.0.2.1/32 failed and recovered 

. Label Distribution Protocol (LDP) is enabled on the interfaces Once the primary path recovers, how long will the router hold down the preferred route to prefix 192.0.2.1/32? 

A. 45 seconds 

B. 60 seconds 

C. 35 seconds 

D. 180 seconds 

Answer: B 


Q74. Based on the default SROS Border Gateway Protocol (BGP) timer settings and the configuration shown: If the Interior Gateway Protocol (IGP) removes its route to the BGP neighbor 192.0.2.2, how long will BGP wait to drop its peering session with that neighbor router? 

A. 0 seconds 

B. 30 seconds 

C. 90 seconds 

D. 170 seconds 

Answer: C 


Q75. Which statement describes an instance where a control word would be required in an aPipe service? 

A. ATM cell mode is used to map multiple virtual circuits into a single aPipe service 

B. The aPipe service transports concatenated cells from an entire virtual path 

C. The service carries just the cell payload and Equal Cost Multipath (ECMP) is used in the transport 

D. A cell mode service must map different ATM virtual circuits to a service based on Quality of Service (QoS) profiles 

Answer: C 


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Q76. Once an IEEE 1588v2/Precision Time Protocol (PTP) v2 clock is configured and turned up, to  which state do the ports transit on first in order to wait for announcements from the Master? 

A. Initial 

B. Listening 

C. Slave 

D. Un-calibrated 

Answer: B 


Q77. Given the diagram and the following information: 

. Virtual Private Routed Network (VPRN) 5 spans the routers Point of Concentration (POC) 3-1 and 3-2 and the Multilevel Switch (MLS) routers MLS1 and MLS2 

. Multiprotocol Border Gateway Protocol (MP-BGP) is configured and operational 

. Pseudowire status is signaled, as shown, on the ePipe/VPRN spoke Service Distribution Points (SDPs) 

. Spoke SDP 1:50 has failed and recovered 

What command verifies that the two CSA router pseudowires are operational? 

A. show service id 50 active 

B. show service id 50 endpoint 

C. show service id 50 revert-time 

D. show service id 50 sdp 

Answer: B 


Q78. Click on the exhibit Given the diagram shown, and the following information: 

. Configured on CSA1 and the two MLS routers is redundant ePtpe 10 

. Interchassis Backup Pseudowires (ICB-PW) provide a path of last resort to the Customer Edge (CE) Service Access Points (SAPs) 

. A Multichassis Link Aggregation Group (MC-LAG) protects the CE access ports 

. Assume normal status on all ePipe 10 spoke Service Distribution Points (SDPs) Which statement correctly describes traffic flow after a failure on the Active MC-LAG member? 

A. CSA1 forwards traffic through spoke SDP 2:10 to MLS2, which forwards it from endpoint SPOKE to endpoint SAP and out LAG 2 

B. CSA1 forwards traffic through spoke SDP 2 10 to MLS2, which forwards it to endpoint SAP and through ICB spoke SDP 3:100 to MLS1 

C. CSA1 forwards traffic through spoke SDP 1:10toMLSl, which forward sit to end point SAP and through ICB spoke SDP3:10toMLS2 

D. CSA1 forwards traffic through spoke SDP 1:10 to MLS1, which forwards it to endpoint SPOKE and through ICB spoke SDP 3:100 to MLS2 

Answer: A 


Q79. Click on the exhibit Given the diagram shown, and the following information: 

. Configured on CSA1 and the two MLS routers is redundant aPipe 300 

. Interchassis Backup Pseudowires (ICB-PW) provide a path of last resort to the Customer Edge (CE) Service Access Points (SAPs) 

. Multichassis Automatic Protection Switching (MC-APS) protects the CE access ports 

. Assume normal status on all aPipe 300 spoke Service Distribution Points (SDPs) If the working OC-3 fails, which three statements correctly describe the resulting status of the MLS1 aPipe 300 endpoint objects (Choose three) 

A. Spoke SDP 1:300 active 

B. Spoke SDP 1:300 standby 

C. Spoke SDP 3:300 active 

D. Spoke SDP 3:300 standby 

E. Spoke SDP 3:301 active 

F. Spoke SDP 3:301 standby 

Answer: A, D, F 


Q80. Which statement correctly describes eNodeB-to-eNodeB X2 interface traffic flow in the Model 1 hub and spoke architecture Long Term Evolution (LTE) service model shown? 

A. X2 traffic travels through the red Virtual Private  LAN Service (VPLS) tothe Mobility Management Entity (MME) pool and on to the target CSA router 

B. The green Internet Enhanced Service (IES) provides the Layer 3 interfaces used for X2 eNodeB-to-eNodeB handoff traffic 

C. Split horizon allows direct eNodeB-eNodeB handoff without the need to route through the green IES interfaces 

D. The red VPLS supports Virtual Routing and Redundancy Protocol (VRRP) sessions for X2 inter-eNodeB Layer 3 interface resiliency 

Answer: B