300-510

300-510 practice questions, page 7 of 11, with answer review and explanations.

Question 31

After you change the IP address on an IOS XR router, you cannot ping the new address. Which step did you forget to complete?

  1. commit the configuration
  2. roll back the configuration
  3. merge the configuration
  4. save the running configuration

Question 32

Which two statements about route reflectors are true? (Choose two.)

  1. Routes received from nonclient peers are reflected to route reflector clients as well as nonclient peers.
  2. Routes received from nonclient peers are reflected to route reflector cluster as well as OSPF peers.
  3. If a router received an iBGP route with the originator-ID attribute set to its own router ID, the route is discarded.
  4. Routes received from a route reflector client is reflected to other clients and nonclient peers.
  5. If a route reflector receives a route with a cluster-list attribute containing a different cluster ID, the route is discarded.

Question 33

Which two statements about mapping multicast IP addresses to MAC addresses are true? (Choose two.)

  1. All mapped multicast MAC addresses begin with 0x0100.5E
  2. The router performs the mapping before it hands the packet off to a switch
  3. All multicast MAC addresses end with 0x0100.5E
  4. The mapping process may generate overlapping addresses, which can cause receivers to receive unwanted packets
  5. All destination MAC addresses begin with an octet of binary 1s

Question 34

You have configured routing policies on a Cisco IOS XR device with routing policy language. Which two statements about the routing policies are true? (Choose two.)

  1. The routing policies affect BGP-related routes only.
  2. If you make edits to an existing routing policy without pasting the full policy into the CLI, the previous policy is overwritten.
  3. You can change an existing routing policy by editing individual statements.
  4. The routing policies are implemented in a sequential manner.
  5. The routing policies are implemented using route maps.

Question 35

Refer to the exhibit. Which task must you perform on interface g1/0/0 to complete the SSM implementation?

  1. configure OSPFv3
  2. enable CDP
  3. disable IGMP
  4. configure IGMPv3