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单选题What kind of packets does OSPF send to keep up connectivity with its neighboring routers?（）A SPF packetsB hello packetsC keepalive packetsD dead interval packetsE LSU packets

题目
单选题
What kind of packets does OSPF send to keep up connectivity with its neighboring routers?（）
A

SPF packets

B

hello packets

C

keepalive packets

D

dead interval packets

E

LSU packets

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相似问题和答案

第1题：

What is the purpose of the OSPF router ID in a OR／BOR election?()

A. It is used with the OSPF priority values to determine which OSPF router will become the DR or BOR in a point-to-point network

B. It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF router

C. It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access network

D. It is used to determine which interfaces will send Hello packets to neighboring OSPF routers


参考答案：C

第2题：

What kind of information does a router running a link－state routing protocol need to create and maintain its topological database?()

A. LSAs from other routers

B. Beacons received on point-to-point links

C. hello packets

D. Routing tables received from neighbors

E. SAP packets sent by other routers

F. TTL packets from exclusive routers


参考答案：A, C

第3题：

By default, how often does an ERX Edge Router send an OSPF link－state advertisement in a stable network?()

A.A

B.B

C.C

D.D


参考答案：D

第4题：

What kind of packets does OSPF send to keep up connectivity with its neighboring routers?（）

  • A、SPF packets
  • B、hello packets
  • C、keepalive packets
  • D、dead interval packets
  • E、LSU packets

正确答案:B

第5题：

Refer to the exhibit. Which statement is true about the configuration? ()

A. RTA will not establish an OSPF adjacency w ith RTB

B. RTA will send OSPF hello packets, but will not send OSPF updates

C. RTA will not accept OSPF hello packets from RTB

D. RTA will send OSPF updates, but will not establish an adjacency with RTB


参考答案：A

第6题：

What kind of packets does OSPF send to keep up connectivity with its neighboring routers?()

A. SPF packets

B. hello packets

C. keepalive packets

D. dead interval packets

E. LSU packets


参考答案：B

第7题：

What kind of message does a PING send out to test connectivity?()

A. ICMP echo request

B. Information interrupt request

C. Timestamp reply

D. Source quench

E. None of the above


参考答案：A

第8题：

What information do OSPF hello packets contain?()

A.A

B.B

C.C

D.D

E.E


参考答案：A, C, D

第9题：

To which of these does IP multicast send packets?()

A. a single host

B. a subset of hosts

C. all hosts sequentially

D. all hosts simultaneously


参考答案：B

第10题：

In EIGRP, what kind of route information is stored in the RAM of the router and maintained by way of hello packets and update packets?（）

  • A、Neighbor Table
  • B、SRF Table
  • C、RTP Table
  • D、Topology Table
  • E、Query Table
  • F、Dual Table

正确答案:A,D

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