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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
更多 “ 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 ” 相关考题
考题
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 networkB. It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF routerC. It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access networkD. It is used to determine which interfaces will send Hello packets to neighboring OSPF routers
考题
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 routersB. Beacons received on point-to-point linksC. hello packetsD. Routing tables received from neighborsE. SAP packets sent by other routersF. TTL packets from exclusive routers
考题
What kind of message does a PING send out to test connectivity?()
A. ICMP echo requestB. Information interrupt requestC. Timestamp replyD. Source quenchE. None of the above
考题
Refer to the exhibit. Which statement is true about the configuration? ()
A. RTA will not establish an OSPF adjacency w ith RTBB. RTA will send OSPF hello packets, but will not send OSPF updatesC. RTA will not accept OSPF hello packets from RTBD. RTA will send OSPF updates, but will not establish an adjacency with RTB
考题
The OSPF hello protocol performs which of the following tasks?()
A. It provides dynamic neighbor discoveryB. It detects unreachable neighbors in 90 second intervalsC. It maintains neighbor relationshipsD. It negotiates correctness parameters between neighboring interfacesE. It uses timers to elect the router witch the fastest links as the designated routerF. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF
考题
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
考题
The OSPF hello protocol performs which of the following tasks?（）A、It provides dynamic neighbor discoveryB、It detects unreachable neighbors in 90 second intervalsC、It maintains neighbor relationshipsD、It negotiates correctness parameters between neighboring interfacesE、It uses timers to elect the router witch the fastest links as the designated routerF、It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF
考题
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.
考题
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 sentC、An Adjacency does not form.D、An Adjacency forms but traffic is not forwarded.
考题
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 routersB、Beacons received on point-to-point linksC、hello packetsD、Routing tables received from neighborsE、SAP packets sent by other routersF、TTL packets from exclusive routers
考题
What are three characteristics of the OSPF routing protocol?（）A、It converges quickly.B、OSPF is a classful routing protocol.C、It uses cost to determine the best route.D、It uses the DUAL algorithm to determine the best route.E、OSPF routers send the complete routing table to all directly attached routers.F、OSPF routers discover neighbors before exchanging routing information.
考题
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 networkB、It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF routerC、It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access networkD、It is used to determine which interfaces will send Hello packets to neighboring OSPF routers
考题
What kind of message does a PING send out to test connectivity?（）A、ICMP echo requestB、Information interrupt requestC、Timestamp replyD、Source quenchE、None of the above
考题
Routers R1, R2, R3, and R4 connect to the same 10.10.10.0/24 LAN- based subnet. OSPF is fully working in the subnet. Later, R5, whose OSPF priority is higher than the other four routers, joins the subnet. Which of the following are true about the OSPF database exchange process over this subnet at this point?（）A、R5 will send its DD, LSR, and LSU packets to the 224.0.0.5 all - DR - routers multicast address.B、R5 will send its DD, LSR, and LSU pack ets to the 224.0.0.6 all - DR - routers multicast address.C、The DR will inform R5 about LSAs by sending its DD, LSR, and LSU packets to the 224.0.0.6 all- SPF - routers multicast address.D、The DR will inform R5 about LSAs by sending its DD, LSR, and LSU pa ckets to the 224.0.0.5 all- SPF - routers multicast address.
考题
While troubleshooting an EIGRP routing problem you notice that one of the company routers havegenerated a large number of SIA messages. What are two possible causes for EIGRP Stuck-In-Active routes？（）A、Some query or reply packets are lost between the routersB、The neighboring router starts receiving route updates from this routerC、A failure causes traffic on a link between two neighboring routers to flow in only one direction（unidirectional link）D、The neighboring router stops receiving ACK packets from this router
考题
EIGRP is being used as the routing protocol on the company network. While troubleshooting somenetwork connectivity issues， you notice a large number of EIGRP SIA （Stuck in Active） messages.What causes these SIA routes？（）A、The neighboring router stops receiving ACK packets from this routerB、The neighboring router starts receiving route updates from this routerC、The neighboring router is too busy to answer the query （generally caused by high CPUutilization）D、The neighboring router is having memory problems and cannot allocate the memory to processthe query or build the reply packet
考题
When troubleshooting an EIGRP connectivity problem, you notice that two connected EIGRP routers are not becoming EIGRP neighbors. A ping between the two routers was successful.What is the next thing that should be checked?（）A、Verify that the EIGRP hello and hold timers match exactly.B、Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP peer command.C、Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP traffic command.D、Verify that EIGRP is enabled for the appropriate networks on the local and neighboring router.
考题
What information does a router running a link-state protocol use to build and maintain its topological database？ （）A、 hello packetsB、 SAP messages sent by other routers C、 LSAs from other routersD、 beacons received on point-to-point linksE、 routing tables received from other link-state routersF、 TTL packets from designated routers
考题
What information does a router running a link-state protocol use to build and maintain its topological database?（）A、hello packetsB、SAP messages sent by other routersC、LSAs from other routersD、beacons received on point-to-point linksE、routing tables received from other link-state routersF、TTL packets from designated routers
考题
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
考题
多选题What kind of information does a router running a link-state routing protocol need to create and maintain its topological database?（）ALSAs from other routersBBeacons received on point-to-point linksChello packetsDRouting tables received from neighborsESAP packets sent by other routersFTTL packets from exclusive routers
考题
多选题In which two ways does the BGP graceful restart capability preserve prefix information during a restart？（）AThe peer router sends an end-of RIB message to the restarting routerBThe peer router immediately removes the BGP routes that it learned from the restarting router from its BGP routing tableCThe restarting router does not remove any stale prefixes after the timer for stale entries expiresDThe router establishes BGP sessions with other routers and relearns the BGP routes from other routers that are also capable of graceful restart. The restarting router waits to receive updates from the neighboring routers. When the neighboring routers send end-of-RIB messages to indicate that they are done sending updates， the restarting router starts sending its own updatesEThe restarting router removes any stale prefixes after the timer for stale entries expires
考题
多选题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?（）ASome quer y or reply packets are lost between the routers.BThe neighboring router starts receiving route updates from this router.CA failure causes traffic on a link between two neighboring routers to flow in only one direction(unidirectional link).DTh e neighboring router stops receiving ACK packets from this router.
考题
多选题The OSPF hello protocol performs which of the following tasks?（）AIt provides dynamic neighbor discoveryBIt detects unreachable neighbors in 90 second intervalsCIt maintains neighbor relationshipsDIt negotiates correctness parameters between neighboring interfacesEIt uses timers to elect the router witch the fastest links as the designated routerFIt broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF
考题
单选题What kind of message does a PING send out to test connectivity?（）A
ICMP echo requestB
Information interrupt requestC
Timestamp replyD
Source quenchE
None of the above
考题
多选题While troubleshooting an EIGRP routing problem you notice that one of the company routers havegenerated a large number of SIA messages. What are two possible causes for EIGRP Stuck-In-Active routes？（）ASome query or reply packets are lost between the routersBThe neighboring router starts receiving route updates from this routerCA failure causes traffic on a link between two neighboring routers to flow in only one direction（unidirectional link）DThe neighboring router stops receiving ACK packets from this router
考题
多选题What information does a router running a link-state protocol use to build and maintain its topological database?（）Ahello packetsBSAP messages sent by other routersCLSAs from other routersDbeacons received on point-to-point linksErouting tables received from other link-state routersFTTL packets from designated routers
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