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
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

相似考题

1.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

2.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

3.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

4.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

更多“What kind of packets does OSPF send to keep up connectivity with its neighboring routers?() ”相关问题

  • 第1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


    参考答案：A, C

  • 第2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3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4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.

    正确答案:A,C,F

  • 第5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

    正确答案:A

  • 第6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 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、The neighboring router stops receiving ACK packets from this router

    正确答案:A,C

  • 第7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.

    正确答案:D

  • 第8题：

    What information does a router running a link-state protocol use to build and maintain its topological database?（）

    • A、hello packets
    • B、SAP messages sent by other routers
    • C、LSAs from other routers
    • D、beacons received on point-to-point links
    • E、routing tables received from other link-state routers
    • F、TTL packets from designated routers

    正确答案:A,C

  • 第9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?（）
    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： E,F
    解析： 暂无解析

  • 第10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?（）
    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： C,D
    解析： 暂无解析

  • 第11题：

    单选题
    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


    正确答案： E
    解析： 暂无解析

  • 第12题：

    多选题
    What information does a router running a link-state protocol use to build and maintain its topological database?（）
    A

    hello packets

    B

    SAP messages sent by other routers

    C

    LSAs from other routers

    D

    beacons received on point-to-point links

    E

    routing tables received from other link-state routers

    F

    TTL packets from designated routers


    正确答案： E,F
    解析： 暂无解析

  • 第13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14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15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

  • 第16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

    正确答案:C

  • 第17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.

    正确答案:B,D

  • 第18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 router
    • B、The neighboring router starts receiving route updates from this router
    • C、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

    正确答案:C,D

  • 第19题：

    What information does a router running a link-state protocol use to build and maintain its topological database？ （）

    • A、 hello packets
    • B、 SAP messages sent by other routers 
    • C、 LSAs from other routers
    • D、 beacons received on point-to-point links
    • E、 routing tables received from other link-state routers
    • F、 TTL packets from designated routers

    正确答案:A,C

  • 第20题：

    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


    正确答案： E
    解析： 暂无解析

  • 第21题：

    多选题
    In which two ways does the BGP graceful restart capability preserve prefix information during a restart？（）
    A

    The peer router sends an end-of RIB message to the restarting router

    B

    The peer router immediately removes the BGP routes that it learned from the restarting router from its BGP routing table

    C

    The restarting router does not remove any stale prefixes after the timer for stale entries expires

    D

    The 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 updates

    E

    The restarting router removes any stale prefixes after the timer for stale entries expires


    正确答案： A,D
    解析： 暂无解析

  • 第22题：

    多选题
    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： C,E
    解析： 暂无解析

  • 第23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？（）
    A

    Some query 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

    The neighboring router stops receiving ACK packets from this router


    正确答案： A,C
    解析： 暂无解析

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