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Free 4A0-M01 Exam Braindumps
Alcatel-Lucent IP/MPLS Mobile Backhaul Transport Questions 36–40 (page: 9)

Updated On: 9-Feb-2026
Page 9 of 31
PDF with 150 Questions

Click on the exhibit.



Given the diagram
On the MLS routers, you wish to configure a Management Virtual Private LAN Service (mVPLS) running Spanning Tree Protocol (STP) on behalf of VPLS 300.
What must you configure on the MLS routers? (Choose two.)

  1. Configure mVPLS Service Access Points (SAPs) on the same access ports as used in the VPLS 300 service
  2. Configure mVPLS SAPs with the same Virtual LAN (VLAN) tags as those used on the VPLS 300 SAPs
  3. Turn up STP on each of the MLS1 and MLS2 VPLS 300 SAP physical access ports
  4. Create a managed VLAN list on each mVPLS SAP for all protected VPLS 300 VLANs
  5. Provision the mVPLS SAPs with unique VLAN tags within the VPLS 300 service context

Answer(s): A,D



A network element (NE) forwards external traffic through a Virtual Routing and Redundancy Protocol (VRRP) protected gateway interface. If the master goes offline, how does the NE learn to forward traffic to the new master interface?

  1. Upon assuming the master role, the new master advertises its presence through Gratuitous Address Resolution Protocol (ARP) messages
  2. The master updates the forwarding table entries by delivering all frames into the network using the virtual Media Access Control (MAC) source address
  3. The network elements use their current gateway interface ARP cache entry or send out an ARP request if the entry is timed out
  4. The new master interface delivers the new virtual interface MAC address into the network via Master Advertisement Messages

Answer(s): C



Which statement correctly describes SROS Virtual Private Wire Service (VPWS) endpoint characteristics?

  1. An implicit endpoint may have both a SAP and a spoke SDP object
  2. Within a local service context a router will only forward traffic between objects in different endpoints
  3. An explicit ePipe service endpoint may have up to four associated SAP objects, but only one forwarding
  4. An explicit endpoint may contain up to four primary pseudowire objects to support load balancing

Answer(s): B



Click on the exhibit.



Given the local Provider Edge (PE) router configuration shown and the following condition:
· All Service Access Points (SAPs) and spoke SDPs are operational Upon startup, which pseudowire status value will the local PE router signal for the standby spoke

SDP?

  1. 0x00, Pseudowire forwarding
  2. 0x01, Pseudowire not forwarding
  3. 0x20, Pseudowire forwarding Standby
  4. 0x21, Pseudowire in standby and not forwarding

Answer(s): A



Click on the exhibit



Given the cell site router configuration shown:
The local Provider Edge (PE) router originates a redundant iPipe service terminated on each of two remote PE routers.
Which statement correctly describes the iPipe service operation?

  1. The local PE router will assign to the Customer Edge (CE) device the IP address defined in the SAP DNS context
  2. The remote PEs will load-balance base station destined packets through both return spoke SDPs
  3. The remote PE routers forward base station packets through the iPipe service associated with the active spoke SDP
  4. The local PE router signals the base station's IP address to the remote PE in the Targeted Label Distribution Protocol (T-LDP) label messages

Answer(s): C



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