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Alcatel-Lucent IP/MPLS Mobile Backhaul Transport Questions 31–35 (page: 8)

Updated On: 9-Feb-2026

Which statement correctly describes a Versatile Service Module (VSM) Layer 2 and Layer 3 service cross-connect's operation?

  1. Layer 3 Service Access Points (SAPs) must use the "A" paths; Layer 2 services use the B path
  2. The Cross Connect Aggregation Group (CCAG) B path can optionally act as a hot standby path for the A path
  3. A CCAG may rate limit the A or B path all the way up to the maximum CCAG available bandwidth
  4. For resiliency, the CCAG distributes each conversation flow across multiple Cross Connect Adapters (CCA)

Answer(s): C



Which statement correctly describes Virtual Routing and Redundancy Protocol (VRRP) configuration?

  1. The router assigns priority 100 to a non-owner VRRP interface by default
  2. An interface can only be a member of a single Virtual Router ID (VRD)
  3. An owner mode VRID can back up as many as sixteen virtual gateway addresses
  4. An owner mode VRID requires a backup address not used by the physical interfaces

Answer(s): A



Choose the two SAP identifiers that a Cross Connect ID (CCID) can bind to create a bi-directional Layer 2 and Layer 3 service cross connect. (Choose two.)

  1. sap 1/1/9:100:200
  2. sap 1/1/8:100:200
  3. sap ccag-l.a:l00
  4. sap ccag-2.a:100
  5. sap ccag-1.b:100
  6. sap ccag-2.b:200

Answer(s): C,E



Click on the exhibit



Given the diagram shown and the following information:
· Configured on the CSA1 router is an ePipe with redundant spoke Service Distribution Points (SDPs) · The spoke SDPs terminate on Internet Enhanced Services (IES) interfaces configured on each of the two remote Provider Edge (PE) routers.
Which statement correctly describes how the remote PEs signal Maximum Transmission Unit (MTU) values for the ePipe spoke terminations?

  1. The remote PE routers signal the default IES service 1514 byte MTU to the CSA1 router
  2. The remote PE routers signal the IES spoke SDP Virtual Circuit (VC)-MTU based on the SDP path MTU
  3. The PE routers set the service MTUs to the lowest negotiated value
  4. The remote PE routers must signal a VC-MTU equal to the ePipe service MTU plus the Ethernet header size

Answer(s): B



Click on the exhibit



Given the configurations shown and the following information:
· Multilayer Switch (MLS) 1 and 2 host duplicate Virtual Private Routed Network (VPRN) services. · Configured on the interfaces L3_VLAN402 is Virtual Router ID (VRID) 1 Your customer states that if the master interface fails and recovers, they want traffic to remain on the VRID backup interface.
What must you change in the configuration shown to keep the VRID from moving traffic back to the master?

  1. set a revert time value of infinity
  2. configure no preempt in the VRID
  3. set both interface priorities to the default
  4. set MLS1 interface L3_VLAN402 to priority 255

Answer(s): B



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