300-515

300-515 practice questions, page 3 of 5, with answer review and explanations.

Question 11

Refer to the exhibit. Which statement about this output is true?

  1. The router IP 192.168.1.2 sent an implicit null, and the output is from the penultimate LSR.
  2. The adjacent router is the egress LSR and has mpls ldp explicit-null configured.
  3. The adjacent LSR router configured mpls label range 0.
  4. The zero in the second column is the normal behavior of an egress router LSR.

Question 12

An engineer is troubleshooting an ongoing network outage. Which command should he use that can display the live log files for a process or service running on a network device?

  1. traceroute
  2. show run
  3. ping
  4. debug

Question 13

Which tool identifies the point of failure in a P2MP LSP from the ingress LSR?

  1. Jitter TLV
  2. SPAN
  3. P2MP traceroute
  4. P2MP ping

Question 14

In a typical service provider environment, which two tools are used to help scale PE router connectivity requirements? (Choose two.)

  1. route reflectors
  2. VPNv4 address family
  3. originator ID
  4. cluster ID
  5. confederations

Question 15

An ISP provides a major client MPLS VPN for managed services. The MPLS engineering team needs to use the advanced VPN feature of selective VRF import so that only specific prefixes are present in the required VPNs. Which aspect of this feature must the team consider?

  1. A route must pass the import route map first and then the route target import filter.
  2. The routers that are imported in the VRF can be BGP and IGP routes, so other match conditions in the route map, besides communities, can be used.
  3. The import-map command is applied under the PE interface that connects to the CE router.
  4. A route is imported into the VRF only when at least one RT that is attached to the route matches one RT that is configured in the VRF and the route is permitted by the import route map.