642-887 무료 덤프문제 온라인 액세스

Which purpose does the auto-bw collect command serve during configuration of MPLS TE automatic bandwidth on LSP in IOS XR software?

• A.configures how often the tunnel output rate is polled globally for all tunnels
• B.sets the highest collection bandwidth value
• C.configures the minimum and maximum automatic bandwidth to set on a tunnel
• D.configures how often the tunnel bandwidths for each tunnel are changed

Which two advantages are reasons that service providers might deploy MPLS? (Choose two.)

• A.to reduce the throughput overhead of full IPv4/IPv6 headers when traversing the core
• B.to facilitate smooth migrations between legacy WAN technologies
• C.to reduce the computational requirements that are placed on router CPUs
• D.to avoid using IGP in the core
• E.to reduce configuration and feature requirements in the core

Which feature should you configure to prevent routers from routing across a new link without having first learned transport labels?

• A.Cisco NSF
• B.Session Protection
• C.targeted adjacency
• D.IGP Synchronization

A network engineer must make a reservable maximum bandwidth of 75 Mbps on a Cisco ASR 9000 series router. Which configuration satisfies this requirement in Cisco IOS XR?

• A.rsvp
  interface GigabitEthernet 0/1/0/1
  bandwidth 75000000 bps
• B.rsvp
  interface GigabitEthernet 0/1/0/1
  bandwidth 75 Mbps
• C.mpls traffic-eng
  interface GigabitEthernet 0/1/0/1
  bandwidth 75000
• D.mpls traffic-eng
  interface GigabitEthernet 0/1/0/1
  bandwidth 75 Mbps