单选题ATT (Attached )bit needs to be set in the link state PDUs in an IS-IS level-1-2 router to indicate that theyare a potential exit point out of the area.()A TrueB False

题目
单选题
ATT (Attached )bit needs to be set in the link state PDUs in an IS-IS level-1-2 router to indicate that theyare a potential exit point out of the area.()
A

True

B

False


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更多“单选题ATT (Attached )bit needs to be set in the link state PDUs in an IS-IS level-1-2 router to indicate that theyare a potential exit point out of the area.()A TrueB False”相关问题
  • 第1题:

    What bit should be set in the link state PDUs in an IS-IS level-1-2 router to indicate that they are a potentialexit point out of the area ?()

    • A、ATT(Attached)bit
    • B、IS-Type bits
    • C、P(Partition)bit
    • D、Down bit
    • E、PN(Pseudonode)biy
    • F、ABR(Area Border Rorter)bit

    正确答案:A

  • 第2题:

    使得吸盘吸取工件,“设置二元输出动作”正确的选项是()。

    • A、Set OUT[1]=True
    • B、Set OUT[1]=False
    • C、Set OUT[]=True
    • D、Set OUT[]=False

    正确答案:A

  • 第3题:

    You have a Level 1-only router (Router A) in IS-IS area 49.0001. How does Router A learn how to get to IP prefixes in other areas?()

    • A、Router A must have a Level 2 adjacency with the Level 1/Level 2 router in area 49.0001.
    • B、The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 1 link-state PDU (LSP) it floods into area 49.0001.
    • C、The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 2 LSP it floods into area 49.0001.
    • D、The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.

    正确答案:B

  • 第4题:

    In IS-IS, how does the restarting router inform its helpers that a restarts event occurred?()

    • A、Sending out a graceful restart PDU
    • B、Sending an LSP that contains no TLVs.
    • C、Sending out a restarts TLV with the RR bit set.
    • D、Reflooding its LSP with a maximum sequence number.

    正确答案:C

  • 第5题:

    In IS-IS, how long will the restart helper keep the restarting router in the up state?()

    • A、until the hello dead timer expires
    • B、until the restart duration timer expires
    • C、until the restarting router sets the down bit
    • D、until the restart helper sends out three CSNPs

    正确答案:B

  • 第6题:

    What is the purpose of IS-IS level boundaries?()

    • A、Restrain the formation of adjacencies.
    • B、Control the flooding scope of link-state PDUs.
    • C、Partition the L2 backbone into multiple domains.
    • D、Aggregate L1 domains into a contiguous backbone.

    正确答案:B

  • 第7题:

    单选题
    ATT (Attached )bit needs to be set in the link state PDUs in an IS-IS level-1-2 router to indicate that theyare a potential exit point out of the area.()
    A

    True

    B

    False


    正确答案: A
    解析: 暂无解析

  • 第8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: C,E
    解析: 暂无解析

  • 第9题:

    单选题
    You have a Level 1-only router (Router A) in IS-IS area 49.0001. How does Router A learn how to reach prefixes in other areas?()
    A

    Router A must have a Level 2 adjacency with the Level 1/Level 2 router in area 49.0001.

    B

    The Level 1/Level 2 router in area 49.0001 sets the attached bit in the Level 2 LSP it floods into area 49.0001.

    C

    The Level 1/Level 2 router in area 49.0001 sets the attached bit in the Level 1 link-state PDU (LSP) it floods into area 49.0001.

    D

    The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    In BGP graceful restart, how does a peer router indicate the end of a route exchange?()
    A

    An open message with the E bit set.

    B

    An update message with the E bit set.

    C

    An open message with an end-of-RIB marker.

    D

    An update message with an end-of-RIB marker.


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    tablespace point-in-time recovery is possible only with RMAN.()
    A

     True

    B

     False


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    In IS-IS, how does the restarting router inform its helpers that a restarts event occurred?()
    A

    Sending out a graceful restart PDU

    B

    Sending an LSP that contains no TLVs.

    C

    Sending out a restarts TLV with the RR bit set.

    D

    Reflooding its LSP with a maximum sequence number.


    正确答案: A
    解析: 暂无解析

  • 第13题:

    ATT (Attached )bit needs to be set in the link state PDUs in an IS-IS level-1-2 router to indicate that theyare a potential exit point out of the area.()

    • A、True
    • B、False

    正确答案:A

  • 第14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15题:

    Which two statements are correct regarding IS-IS?()

    • A、Routers maintain a single link-state database per area.
    • B、Routers maintain a separate Level 1 link-state database.
    • C、Routers maintain a separate Level 2 link-state database.
    • D、Routers maintain a single Level 1 link-state database per area.

    正确答案:B,C

  • 第16题:

    In IS-IS, how long will the restart helper keep the restarting router in the up state?()

    • A、The hello dead timer expires.
    • B、The restart duration timer expires.
    • C、The restarting router sets the down bit.
    • D、The restart helper sends out three CSNPs.

    正确答案:B

  • 第17题:

    In BGP graceful restart, how does a peer router indicate the end of a route exchange?()

    • A、An open message with the E bit set.
    • B、An update message with the E bit set.
    • C、An open message with an end-of-RIB marker.
    • D、An update message with an end-of-RIB marker.

    正确答案:D

  • 第18题:

    tablespace point-in-time recovery is possible only with RMAN.()

    • A、 True
    • B、 False

    正确答案:B

  • 第19题:

    单选题
    What bit should be set in the link state PDUs in an IS-IS level-1-2 router to indicate that they are a potentialexit point out of the area ?()
    A

    ATT(Attached)bit

    B

    IS-Type bits

    C

    P(Partition)bit

    D

    Down bit

    E

    PN(Pseudonode)biy

    F

    ABR(Area Border Rorter)bit


    正确答案: F
    解析: 暂无解析

  • 第20题:

    单选题
    What is the purpose of IS-IS level boundaries?()
    A

    Restrain the formation of adjacencies.

    B

    Control the flooding scope of link-state PDUs.

    C

    Partition the L2 backbone into multiple domains.

    D

    Aggregate L1 domains into a contiguous backbone.


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    In IS-IS, how long will the restart helper keep the restarting router in the up state?()
    A

    The hello dead timer expires.

    B

    The restart duration timer expires.

    C

    The restarting router sets the down bit.

    D

    The restart helper sends out three CSNPs.


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    In IS-IS, how long will the restart helper keep the restarting router in the up state?()
    A

    until the hello dead timer expires

    B

    until the restart duration timer expires

    C

    until the restarting router sets the down bit

    D

    until the restart helper sends out three CSNPs


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    Which of following is used to periodically multicast by DIS on a LAN to ensure IS-IS link state databaseaccuracy?()
    A

    LSP

    B

    PSNP

    C

    ISH

    D

    CSNP

    E

    IIH


    正确答案: C
    解析: 暂无解析

  • 第24题:

    单选题
    Routers A and B are connected with a point-to-point OC-3 interface. Each router's OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area. How many IS-IS adjacencies exist between the two routers?()
    A

    0

    B

    1

    C

    2

    D

    3


    正确答案: C
    解析: 暂无解析