Free 351-001 Exam Braindumps (page: 17)

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What is one of the reasons that custom QoS ACLs are recommended over automatic QoS when configuring ports on a Catalyst 6500 for use with IP phones?

  1. 79xx IP phones do not automatically mark voice packets with non-zero DSCP values.
  2. 79xx IP phones do not mark protocol packets such as DHCP, DNS, or TFTP with non-zero DSCP values.
  3. 79xx IP phones do not mark voice packets with optimal DSCP values.
  4. 79xx IP phones use a custom protocol to communicate CDP information to the switch.

Answer(s): B



Which two benefits are of protecting the control plane of a network device? (Choose two.)

  1. Protects against DoS attacks targeted at the network infrastructure
  2. Increases the reliability, security, and availability of the network
  3. Protects data flowing through devices
  4. Separates attack traffic from normal network traffic

Answer(s): A,B



EIGRP supports internal and external routes. Which router should be configured as EIGRP stub routers while deploying EIGRP on a network?

  1. routers on the border of the EIGRP stub area
  2. Routers never used to transit traffic between their neighboring upstream routers
  3. Routers within the core of the network
  4. Routers that do not need to originate any type of route into the autonomous system

Answer(s): B



At all sites provided in the following exhibit. OSPF is used as the PE-CE protocol Which path is preferred from CE1 to CE3?

  1. CE1-PE1-PE3-CE3
  2. CE1-PE1-CE2-PE2-PE3-CE3
  3. CE1-PE1-PE2-CE3
  4. CE1-PE1-PE2-PE3-CE3

Answer(s): A






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