642-887 試験問題を無料オンラインアクセス

Which information is displayed when you enter the show mpls traffic-eng topology command during DiffServ configuration?

• A.tunnels that are configured on midpoint routers
• B.status of all the tunnels currently signaled by the router
• C.preemptions along the tunnel path
• D.available TE bandwidth on all head routers

In an IPv6 header, what does a flow label of zero indicate?

• A.The packet is not part of any flow.
• B.The label flow cannot have a value of zero.
• C.The packet belongs to the flow labeled zero.
• D.The size of the flow label is zero bytes.

Which option shows how a network engineer implements QPPB marking of incoming traffic on a router that is connected to a VoIP SP (AS62000, BGP community 60000:1) and to a data services service provider (AS61000, BGP community 61000:1) on Cisco IOS XE?
A)

B)

C)

D)

• A.Option C
• B.Option B
• C.Option A
• D.Option D

Refer to the exhibit.

You are troubleshooting a QoS issue. How much bandwidth is the NC
class guaranteed?

• A.1 Gbps
• B.10 Gbps
• C.10 Mbps
• D.100 Mbps

An engineer looks at packet captures and sees that the MPLS header field of a packet indicates a bottom of stack field of 0. What can the engineer conclude from this information?

• A.At least one more MPLS label is on the packet
• B.The packet is an AToM packet
• C.No labels are on the packet
• D.One label is on the packet