其他
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
A. SPF packets
B. hello packets
C. keepalive packets
D. dead interval packets
E. LSU packets
相似问题和答案
第1题：
A. ICMP echo request
B. Information interrupt request
C. Timestamp reply
D. Source quench
E. None of the above
第2题：
A. It provides dynamic neighbor discovery
B. It detects unreachable neighbors in 90 second intervals
C. It maintains neighbor relationships
D. It negotiates correctness parameters between neighboring interfaces
E. It uses timers to elect the router witch the fastest links as the designated router
F. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF
第3题：
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
第4题：
Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）
- A、An Adjacency is formed.
- B、No IS-IS PDUs are sent
- C、An Adjacency does not form.
- D、An Adjacency forms but traffic is not forwarded.
正确答案:C
第5题：
The OSPF hello protocol performs which of the following tasks?（）
- A、It provides dynamic neighbor discovery
- B、It detects unreachable neighbors in 90 second intervals
- C、It maintains neighbor relationships
- D、It negotiates correctness parameters between neighboring interfaces
- E、It uses timers to elect the router witch the fastest links as the designated router
- F、It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF
正确答案:A,C
第6题：
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
第7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8题：
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
第9题：
While troubleshooting an EIGRP routing problem you notice that one of the routers have generated a large number of SIA messages. What are two possible causes for EIGRP Stuck - In -Active routes?（）
- A、Some quer y or reply packets are lost between the routers.
- B、The neighboring router starts receiving route updates from this router.
- C、A failure causes traffic on a link between two neighboring routers to flow in only one direction(unidirectional link).
- D、Th e neighboring router stops receiving ACK packets from this router.
正确答案:A,C
第10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
正确答案:A,C