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Exam Code : 920-220
Exam Name : Nortel Converged Campus ERS Solution
Vendor Name : "Nortel"






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Nortel


920-220


Nortel Converged Campus ERS Solution


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  1. Assured Forwarding

  2. Expedited Forwarding

  3. Enhanced Forwarding




Answer: C



Question: 61

A customer needs a network that can enable many users to request the same time-sensitive information simultaneously. Which technology would meet this need?


  1. Unicast

  2. Multicast

  3. Broadcast

  4. Webcast




Answer: B



Question: 62

Internet Group Management Protocol (IGMP) is used by IP Multicast routers to learn about the existence of host group members on their directly attached subnets. Which statement about IGMP is true?


  1. The IP Multicast routers get this information by listening for IP hosts broadcasting IGMP queries and reporting their host group memberships.

  2. The IP Multicast routers get this information by recognizing the modified MAC address of

    a Multicast packet and adding that MAC address to the Multicast tree.

  3. The IP Multicast routers get this information by listening for Multicast Servers

    broadcasting IGMP queries and listening for IP hosts reporting their host group memberships.

  4. The IP Multicast routers get this information by broadcasting IGMP queries and listening for IP hosts reporting their host group memberships.




Answer: D



Question: 63

A customer has an Ethernet Routing Switch (ERS) 8600 deployed as the core switch to provide connections to file servers. They have a file server that uses dual MAC addresses on two Network Interface Cards (NICs) and need to provide as much bandwidth to the server as possible. Which statement describes the process that will meet these requirements?


  1. Configure a DMLT between both NICs and the ERS 8600.

  2. Configure a MLT between both NICs and the ERS 8600.

  3. Configure static ARP entries on the ERS 8600 to contain both MAC addresses.

  4. Configure each port on the ERS 8600 as a separate link to each NIC.




Answer: D



Question: 64

Multicast transmission can result in dropped packets or duplicate packets, and changes in

network topology can generate out-of-sequence packets. What protocol can minimize these potential problems?


  1. UDP

  2. PGM

  3. IGMP

  4. QoS




Answer: B