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Free 351-001 Exam Braindumps (page: 13)

Page 12 of 60
PDF with 234 Questions

In a network, all routers deploy FIFO queuing. The primary application running on the network is data backup by use of FTP. At certain times, users experience cyclical performance degradation. Which two items can mitigate this problem and help ensure bandwidth is used effectively in the network? (Choose two.)

  1. Traffic policing
  2. CB-WFQ
  3. MDRR
  4. WRED

Answer(s): B,D



Which function is performed by the Community String field defined in a trap PDU?

  1. Enable reliable delivery of messages
  2. Allow authentication by management station
  3. Isolate the PDU within a defined region of the network
  4. Enable the routing of messages

Answer(s): B



Study the exhibit carefully. Routers P4S-RA, P4S-RB, P4S-RC, and P4S-RD are all performing OSPF within a single area and have OSPF graceful restart configured and running. 10.1.2.0/24 is being advertised only through BGP and the best path between routers P4S-RC and P4S-RD is through router P4S-RB. Configure BGP graceful restart on routers P4S-RB, P4S-RC, and P4S- RD, but not on router P4S-RA. What will happen to traffic from 10.1.1.0/24 to 10.1.2.0/24 after router P4S-RB performs a graceful restart?

  1. Be tunneled from router P4S-RD to router P4S-RA through router P4S-RC.
  2. Continue to flow normally
  3. Be dropped at router P4S-RB for a period of time after the graceful restart
  4. Switch to the path through router P4S-RC without interruption

Answer(s): C



Virtual Private LAN Services (VPLS) is a class of VPN that supports the connection of multiple sites in a single bridged domain over a managed IP/MPLS network. VPLS presents an Ethernet interface to customers, simplifying the LAN/WAN boundary for Service Providers and customers, and enabling rapid and flexible service provisioning, because the service bandwidth is not tied to the physical interface. Which of these statements best describes VPLS?

  1. Neither broadcast nor multicast traffic is ever flooded in VPLS.
  2. Multicast traffic is flooded but broadcast traffic is not flooded in VPLS.
  3. VPLS emulates an Ethernet switch, with each EMS being analogous to a VLAN.
  4. Because U-PE devices act as IEEE 802.1 devices, the VPLS core must use STP.

Answer(s): C






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