CMS专题

单选题How is an RSVP resv message sent back to the ingress router?（）A reverse path of the RROB least cost to the ingress routerC shortest path to the egress routerD reverse path of the path vector TLV

题目
单选题
How is an RSVP resv message sent back to the ingress router?（）
A

reverse path of the RRO

B

least cost to the ingress router

C

shortest path to the egress router

D

reverse path of the path vector TLV

参考答案和解析
正确答案： D
解析： 暂无解析
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相似问题和答案

第1题：

A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?()

A. It performs a label pop operation and an IP lookup.

B. It performs a label swap operation and an IP lookup.

C. It sends an error message toward the egress router.

D. It sends an error message toward the ingress router.


参考答案：A

第2题：

A network administrator enters the following command on a router: logging trap 3. What are three message types that will be sent to the Syslog server? ()

A.informational

B.emergency

C.warning

D.critical

E.debug

F.error


参考答案：B, D, F

第3题：

How is an RSVP resv message sent back to the ingress router?()

A. reverse path of the RRO

B. least cost to the ingress router

C. shortest path to the egress router

D. reverse path of the path vector TLV


参考答案：A

第4题：

What is the purpose of the RSVP hello interval?（）

  • A、It is the size of the RSVP hello packet
  • B、It is how long it maintains RSVP neighbors
  • C、It is the length of time between RSVP hello packets
  • D、It is how long the router waits before declaring a router to be down

正确答案:C

第5题：

A network administrator enters the following command on a router: logging trap 3. What are three message types that will be sent to the Syslog server? （）

  • A、informational
  • B、emergency
  • C、warning
  • D、critical 
  • E、debug
  • F、error

正确答案:B,D,F

第6题：

Refer to the exhibit. EIGRP is configured on all routers in the network. On a basis of the show ip eigrp topology output provided, what conclusion can be deri ved? ()

A.Router R1 is waiting for a reply from the neighbor 10.1.2.1 to the hello message sent out inquiring for a second successor to network 10.6.1.0/24

B.Router R1 can send traffic destined for network 10.6.1.0/24 out of interface FastEthernet0/0

C.Router R1 is waiting for a reply from the neighbor 10.1.2.1 to the hello message sent out before it declares the neighbor unreachable

D.Router R1 is waiting for a reply from the neighbor 10.1.2.1 in response to the query sent out about network 10 .6.1.0/24


参考答案：D

第7题：

What is the first thing that happens when IPv6 is enabled on an interface on a host？（）

  • A、A router solicitation is sent on that interface.
  • B、There is a duplicate address detection on the host interface.
  • C、The link local address is assigned on the host interface.
  • D、A neighbor redirect message is sent on the host interface.

正确答案:B

第8题：

What is the term "ordered control" mean regarding how MPLS LSPs are established?()

A. establish starting at the egress router going back to the ingress router

B. establish starting at the ingress router going downstream to the egress router

C. establish when a router learns of a new prefix

D. establish when the path correctly matches the reverse path forwarding check


参考答案：A

第9题：

How does an IPv6 router deal with a packet that is larger than the outgoing interface MTU？（）

  • A、It will fragment the packet at Layer 2.
  • B、It will fragment the packet at Layer 3.
  • C、It will drop the packet and send an ICMPv6 message "packet too big" back to the source.
  • D、It will drop the packet.

正确答案:C

第10题：

A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）

  • A、It performs a label pop operation and an IP lookup.
  • B、It performs a label swap operation and an IP lookup.
  • C、It sends an error message toward the egress router.
  • D、It sends an error message toward the ingress router.

正确答案:A

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