更多“Which two states are the port states when RSTP has converged?() ”相关问题
  • 第1题:

    You are Master of a vessel that is sold in a foreign country after discharge of cargo. What is your responsibility to the crew in regards to return to the United States?

    A.You must provide air transportation to the nearest port of entry in the United States

    B.You must provide passage to the port of original engagement

    C.There is no requirement for return to the United States provided the voyage has exceeded 4 weeks duration

    D.The crew can be employed on another United States vessel,but only if it is returning to the port of original engagement


    正确答案:B

  • 第2题:

    Which of the following are spanning tree port states?()

    • A、Learning
    • B、Spanning
    • C、Listening
    • D、Forwarding
    • E、Initializing
    • F、Filtering
    • G、Permitting

    正确答案:A,C,D

  • 第3题:

    When adding a new user and assigning a role, which user role has "read only" rights to theconfiguration and operational states? ()

    • A、user
    • B、read_only
    • C、target_operator
    • D、security_operator

    正确答案:A

  • 第4题:

    Which two RSTP port roles include the port as part of the active topology?()

    • A、root
    • B、designated
    • C、alternate
    • D、backup
    • E、forwarding
    • F、learning

    正确答案:A,B

  • 第5题:

    Which statement correctly describes the Cisco implementation of RSTP? ()

    • A、PortFast, UplinkFast, and BackboneFast specific configurations are ignored in Rapid PVST mode.
    • B、RSTP is enabled globally and uses existing STP configuration.
    • C、Root and alternative ports transition immediately to the forwarding state.
    • D、Convergence is improved by using sub-second timers for the blocking, listening, learning, and forwarding port states.

    正确答案:B

  • 第6题:

    Under which two circumstances would an RSTP bridge flush its CAM table?()

    • A、upon a port state change
    • B、upon receiving a topology change notification
    • C、when transitioning from discarding to forwarding
    • D、when transitioning from forwarding to discarding
    • E、only when changing from listening to discarding
    • F、when CAM resources have been completely used up

    正确答案:B,C

  • 第7题:

    Which two of these statements regarding RSTP are correct? ()

    • A、RSTP cannot operate with PVST+.
    • B、RSTP defines new port roles.
    • C、RSTP defines no new port states.
    • D、RSTP is a proprietary implementation of IEEE 802.1D STP.
    • E、RSTP is compatible with the original IEEE 802.1D STP.

    正确答案:B,E

  • 第8题:

    单选题
    Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another().
    A

    The vessel which has the other on her own starboard side

    B

    The vessel which has the other on her own port side

    C

    The one which hears the other's fog signal first

    D

    Neither vessel is the stand-on vessel


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    When adding a new user and assigning a role, which user role has "read only" rights to theconfiguration and operational states? ()
    A

    user

    B

    read_only

    C

    target_operator

    D

    security_operator


    正确答案: D
    解析: 暂无解析

  • 第10题:

    多选题
    Which three port states are used by RSTP 802.1w?()
    A

    Listening

    B

    Learning

    C

    Forwarding

    D

    Blocking

    E

    Discarding

    F

    Disabled


    正确答案: B,F
    解析: 暂无解析

  • 第11题:

    多选题
    In which Spanning-Tree states does a switch port learn MAC addresses?()
    A

    Blocking

    B

    Listening

    C

    Forwarding

    D

    Learning

    E

    Relaying


    正确答案: E,D
    解析: 暂无解析

  • 第12题:

    多选题
    Which of the following are spanning tree port states?()
    A

    Learning

    B

    Spanning

    C

    Listening

    D

    Forwarding

    E

    Initializing

    F

    Filtering

    G

    Permitting


    正确答案: E,D
    解析: 暂无解析

  • 第13题:

    The state of Maine generally has cooler temperatures than( ).

    A.there are most other states
    B.most other states which have
    C.most other states have
    D.having most other states

    答案:C
    解析:
    该题考查句子结构。从题干及选项可以看出,空格处要填的内容是与Maine州的气温做比较,根据一致原则排除A、D选项,B不符合定语从句构成,故答案为C。

  • 第14题:

    Which three flow-control port states lead to enabled link flow control? ()

    • A、 Receive port: Enabled, Transmit port: Enabled
    • B、 Receive port: Enabled, Transmit port: Desired
    • C、 Receive port: Enabled, Transmit port: Disabled
    • D、 Receive port: Disabled, Transmit port: Desired
    • E、 Receive port: Desired, Transmit port: Desired

    正确答案:A,B,E

  • 第15题:

    A user has reported that they cannot access the company FTP site. The user states that they are using the IP address that was given to them “74200.92.105”. Which of the following is MOST likely the problem?()

    • A、Invalid IP address
    • B、FTP program is not working
    • C、Port 21 is blocked
    • D、The FTP site is down

    正确答案:A

  • 第16题:

    Which two states are the port states when RSTP has converged?()

    • A、blocking
    • B、learning
    • C、discarding
    • D、forwarding
    • E、listening

    正确答案:C,D

  • 第17题:

    Which three port states are used by RSTP 802.1w?()

    • A、Listening
    • B、Learning
    • C、Forwarding
    • D、Blocking
    • E、Discarding
    • F、Disabled

    正确答案:B,C,E

  • 第18题:

    Which three statements about RSTP are true?()

    • A、RSTP significantly reduces topology reconverging time after a link failure.
    • B、RSTP expends the STP port roles by adding the alternate and backup roles.
    • C、RSTP port states are blocking,discarding,learing,or forwarding.
    • D、RSTP also uses the STP proprsal-agreement sequence.
    • E、RSTP use the same timer-baseed process as STP on point-to-point links.
    • F、RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.

    正确答案:A,B,F

  • 第19题:

    In which Spanning-Tree states does a switch port learn MAC addresses?()

    • A、Blocking
    • B、Listening
    • C、Forwarding
    • D、Learning
    • E、Relaying

    正确答案:C,D

  • 第20题:

    多选题
    Which two of these statements regarding RSTP are correct?()
    A

    RSTP cannot operate with PVST+.

    B

    RSTP defines new port roles.

    C

    RSTP defines no new port states.

    D

    RSTP is a proprietary implementation of IEEE 802.1D STP.

    E

    RSTP is compatible with the original IEEE 802.1D STP.


    正确答案: C,B
    解析: 暂无解析

  • 第21题:

    多选题
    Which two states are the port states when RSTP has converged?()
    A

    blocking

    B

    learning

    C

    disabled

    D

    forwarding

    E

    listening


    正确答案: C,D
    解析: 暂无解析

  • 第22题:

    多选题
    Which three flow-control port states lead to enabled link flow control? ()
    A

    Receive port: Enabled, Transmit port: Enabled

    B

    Receive port: Enabled, Transmit port: Desired

    C

    Receive port: Enabled, Transmit port: Disabled

    D

    Receive port: Disabled, Transmit port: Desired

    E

    Receive port: Desired, Transmit port: Desired


    正确答案: B,E
    解析: 暂无解析

  • 第23题:

    多选题
    Which two RSTP port roles include the port as part of the active topology?()
    A

    root

    B

    designated

    C

    alternate

    D

    backup

    E

    forwarding

    F

    learning


    正确答案: F,C
    解析: 暂无解析