What is the correct relative switching priority in a BLSR ring (higher to lower)?()A. signal fail, signal degrade, manual switchB. signal degrade, signal fail, manual switchC. protection lockout, manual switch, path AISD. forced switch, manual switch, sig

题目
What is the correct relative switching priority in a BLSR ring (higher to lower)?()

A. signal fail, signal degrade, manual switch

B. signal degrade, signal fail, manual switch

C. protection lockout, manual switch, path AIS

D. forced switch, manual switch, signal degrade

E. protection lockout, manual switch, forced switch

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更多“What is the correct relative switching priority in a BLSR ring (higher to lower)?() ”相关问题

  • 第1题：

    In order to avoid misconnections due to a failed node in a Bidirectional Line Switched Ring (BLSR), Alarm Indication Signals (AISs) are sent on every channel normally terminating in that node. What is the name of this process?（）

    A. trunking

    B. squelching

    C. nodal bypass

    D. bridge and roll

    E. node failure insertion


    参考答案：B

  • 第2题：

    Click the Exhibit button. A customer has several interconnected core rings (see exhibit). They want to create several irtual rings?utilizing their OC-192 backbone (nodes 1,2,3,4). What should you recommend?（）

    A. PPMN with BLSR rings

    B. PPMN with UPSR rings

    C. 1:N protection on all core circuits

    D. multi-ring interconnect with BLSR rings


    参考答案：B

  • 第3题：

    If the current and wind are in opposite directions，the sea surface represents ______.

    A.a greatly reduced wind speed

    B.a higher wind speed than what really exists

    C.a lower wind speed than what really exists

    D.more turbulent winds


    正确答案：B

  • 第4题：

    What is the correct relative switching priority in a BLSR ring (higher to lower)?（）

    • A、signal fail, signal degrade, manual switch
    • B、signal degrade, signal fail, manual switch
    • C、protection lockout, manual switch, path AIS
    • D、forced switch, manual switch, signal degrade
    • E、protection lockout, manual switch, forced switch

    正确答案:A

  • 第5题：

    What is the correct relative switching priority in an MS-SPRing ring （higher to lower）？ （）

    • A、 signal fail， signal degrade， manual switch
    • B、 signal degrade， signal fail， manual switch
    • C、 protection lockout， manual switch， path AIS
    • D、 forced switch， manual switch， signal degrade
    • E、 protection lockout， manual switch， forced switch

    正确答案:A

  • 第6题：

    A new router is added to an existing HSRP standby group. One of the existing routers is in anactive state， the other is in a standby state. Under what circumstance will the new router becomethe active router？（）

    • A、The new router will become active immediately because it’s the newest router introduced intothe group
    • B、The new router can become active only when the existing active router and the existing standbyrouter become unavailable
    • C、The new router has a lower priority value
    • D、The new router will never become active unless the existing active router becomes unavailable
    • E、The new router has preempt configured and a higher priority
    • F、The new router has a higher priority value

    正确答案:E

  • 第7题：

    单选题
    What is the correct relative switching priority in a BLSR ring (higher to lower)?（）
    A

    signal fail, signal degrade, manual switch

    B

    signal degrade, signal fail, manual switch

    C

    protection lockout, manual switch, path AIS

    D

    forced switch, manual switch, signal degrade

    E

    protection lockout, manual switch, forced switch


    正确答案： E
    解析： 暂无解析

  • 第8题：

    单选题
    A new router is added to an existing HSRP standby group. One of the existing routers is in anactive state， the other is in a standby state. Under what circumstance will the new router becomethe active router？（）
    A

    The new router will become active immediately because it’s the newest router introduced intothe group

    B

    The new router can become active only when the existing active router and the existing standbyrouter become unavailable

    C

    The new router has a lower priority value

    D

    The new router will never become active unless the existing active router becomes unavailable

    E

    The new router has preempt configured and a higher priority

    F

    The new router has a higher priority value


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    One type of frame switching uses low-latency forwarding and then switches to a higher-latency error checking mode when an error threshold is exceeded. What is the name of this frame switching mode?（）
    A

    store and forward

    B

    fragment-free

    C

    adaptive cut-through

    D

    fast-forward


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    What is the correct relative switching priority in an MS-SPRing ring （higher to lower）？ （）
    A

     signal fail， signal degrade， manual switch

    B

     signal degrade， signal fail， manual switch

    C

     protection lockout， manual switch， path AIS

    D

     forced switch， manual switch， signal degrade

    E

     protection lockout， manual switch， forced switch


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    In order to avoid misconnections due to a failed node in a Bidirectional Line Switched Ring (BLSR), Alarm Indication Signals (AISs) are sent on every channel normally terminating in that node. What is the name of this process?（）
    A

    trunking

    B

    squelching

    C

    nodal bypass

    D

    bridge and roll

    E

    node failure insertion


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    If the current and wind are in opposite directions，the sea surface represents（）.
    A

    a greatly reduced wind speed

    B

    a higher wind speed than what really exists

    C

    a lower wind speed than what really exists

    D

    more turbulent winds


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Why is an OC－3 2F－BLSR not feasible?()

    A. Switch times would exceed 50 ms for an OC-3 BLSR ring.

    B. An equal amount of working and protect bandwidth is required.

    C. DCC bandwidth is not large enough to handle K1/K2 processing.

    D. There is not enough bandwidth in an OC-3 ring to justify BLSR protection.


    参考答案：B

  • 第14题：

    One type of frame switching uses low－latency forwarding and then switches to a higher－latency error checking mode when an error threshold is exceeded. What is the name of this frame switching mode?()

    A. store and forward

    B. fragment-free

    C. adaptive cut-through

    D. fast-forward


    参考答案：C

  • 第15题：

    In order to avoid misconnections due to a failed node in a Bidirectional Line Switched Ring (BLSR), Alarm Indication Signals (AISs) are sent on every channel normally terminating in that node. What is the name of this process?（）

    • A、trunking
    • B、squelching
    • C、nodal bypass
    • D、bridge and roll
    • E、node failure insertion

    正确答案:B

  • 第16题：

    What is an advantage of an externally modulated laser over a directly modulated laser?（）

    • A、lower cost
    • B、higher chirp
    • C、easier to manufacture
    • D、higher dispersion tolerance
    • E、higher optical signal-to-noise ratio

    正确答案:D

  • 第17题：

    One type of frame switching uses low-latency forwarding and then switches to a higher-latency error checking mode when an error threshold is exceeded. What is the name of this frame switching mode?（）

    • A、store and forward
    • B、fragment-free
    • C、adaptive cut-through
    • D、fast-forward

    正确答案:C

  • 第18题：

    Your application uses two threads， named threadOne and threadTwo. You need to modify the code to prevent the execution of threadOne until threadTwo completes execution. What should you do？（）

    • A、 Configure threadOne to run at a lower priority.
    • B、 Configure threadTwo to run at a higher priority.
    • C、 Use a WaitCallback delegate to synchronize the threads.
    • D、 Call the Sleep method of threadOne. 
    • E、 Call the SpinLock method of threadOne.

    正确答案:C

  • 第19题：

    单选题
    How is UPSR and BLSR traffic rerouted during a protection switch when a complete fiber cable cut occurs?（）
    A

    Traffic is switched from the first node receiving the AIS indication.

    B

    Traffic is switched from the far side of the failure, allowing handshaking to occur.

    C

    UPSR traffic is switched from the terminating node, BLSR traffic is rerouted from the originating node in the ring.

    D

    UPSR traffic is switched from the terminating node, circuit by circuit. BLSR traffic is rerouted from the last reachable node in the ring.


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    Why is an OC-3 2F-BLSR not feasible?（）
    A

    Switch times would exceed 50 ms for an OC-3 BLSR ring.

    B

    An equal amount of working and protect bandwidth is required.

    C

    DCC bandwidth is not large enough to handle K1/K2 processing.

    D

    There is not enough bandwidth in an OC-3 ring to justify BLSR protection.


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    Your application uses two threads， named threadOne and threadTwo. You need to modify the code to prevent the execution of threadOne until threadTwo completes execution. What should you do？（）
    A

     Configure threadOne to run at a lower priority.

    B

     Configure threadTwo to run at a higher priority.

    C

     Use a WaitCallback delegate to synchronize the threads.

    D

     Call the Sleep method of threadOne. 

    E

     Call the SpinLock method of threadOne.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Why is the ring belt narrower in diameter than the skirt of a piston designed for a diesel engine?（）
    A

    To allow for greater expansion due to higher operating temperature

    B

    To seal the cylinder against leakage of combustion gases

    C

    To provide an additional surface for oil cooling

    D

    To provide an additional strength for the crown and lower structure


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    What is an advantage of an externally modulated laser over a directly modulated laser？ （）
    A

     lower cost

    B

     higher chirp

    C

     easier to manufacture

    D

     higher dispersion tolerance

    E

     higher optical signal-to-noise ratio


    正确答案： D
    解析： 暂无解析

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