单选题The policy action of color is used for congestion control under which circumstance?（）A congestion in an upstream routerB congestion in a downstream routerC contention for queue space on an egress interfaceD contention for queue space on an ingress inte

题目
单选题
The policy action of color is used for congestion control under which circumstance?（）
A

congestion in an upstream router

B

congestion in a downstream router

C

contention for queue space on an egress interface

D

contention for queue space on an ingress interface

相似考题

1.You need to describe the various types of flow control to your co-workers. Which of the following are types of flow control that can be used in a network? (Choose three)A. Congestion avoidanceB. WindowingC. Cut-throughD. BufferingE. Load BalacingF. Fast Forward

2.What is the term "ordered control" mean regarding how MPLS LSPs are established?()A. establish starting at the egress router going back to the ingress routerB. establish starting at the ingress router going downstream to the egress routerC. establish when a router learns of a new prefixD. establish when the path correctly matches the reverse path forwarding check

3.With MPLS Fast Reroute, what is the "point of local repair"?()A. egress routerB. ingress routerC. start of the bypass tunnelD. all routers in the bypass tunnel

4.You are experiencing contention in the queue on an egress interface of the router. Which policy action should be used for congestion control?()A.markB.colorC.filterD.discard

更多“单选题The policy action of color is used for congestion control under which circumstance?（）A congestion in an upstream routerB congestion in a downstream routerC contention for queue space on an egress interfaceD contention for queue space on an ingress inte”相关问题

  • 第1题：

    The policy action of color is used for congestion control under which circumstance?()

    A.congestion in an upstream router

    B.congestion in a downstream router

    C.contention for queue space on an egress interface

    D.contention for queue space on an ingress interface


    参考答案：C

  • 第2题：

    Flow control is a function that prevents network congestion by ensuring that(66)do not over-whelm(67)with data. There are three commonly used methods for handling network congestion.(68)is used by network devices to temporarily store bursts of excess data in memory until they can be processed.(69)are used by receiving devices to help prevent their buffers from overflowing.(70)is a flow-control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.

    A．transmitting devices

    B．transmitted devices

    C．receiving devices

    D．received devices


    正确答案：A

  • 第3题：

    Which of the following are types of flow control?（）

    • A、buffering
    • B、cut-through
    • C、windowing
    • D、congestion avoidance
    • E、loadbalancing

    正确答案:A,C,D

  • 第4题：

    You are experiencing contention in the queue on an egress interface of the router. Which policy action should be used for congestion control?（）

    • A、mark
    • B、color
    • C、filter
    • D、discard

    正确答案:B

  • 第5题：

    Which of the following are types of flow control?（）

    • A、buffering
    • B、cut-through
    • C、windowing
    • D、congestion avoidance
    • E、load balancing

    正确答案:A,C,D

  • 第6题：

    What are the differences between LLQ and CBWFQ？（）

    • A、LLQ supports the addition of strict priority queuing
    • B、With LLQ， bandwidth allocations for the priority queue and all the CBWFQ queues areconfigured using the priority command
    • C、LLQ is configured using MQC and CBWFQ is configured using the fair-queue command
    • D、LLQ priority queue bandwidth is policed with a congestion aware policer
    • E、LLQ does not support WFQ on the default traffic class （class-default）

    正确答案:A,D

  • 第7题：

    Which of the following are types of flow control (Choose three.)（）。

    • A、buffering
    • B、cut-through
    • C、windowing
    • D、congestion avoidance
    • E、load balancing

    正确答案:A,C,D

  • 第8题：

    What is the term "ordered control" mean regarding how MPLS LSPs are established?（）

    • A、establish starting at the egress router going back to the ingress router
    • B、establish starting at the ingress router going downstream to the egress router
    • C、establish when a router learns of a new prefix
    • D、establish when the path correctly matches the reverse path forwarding check

    正确答案:A

  • 第9题：

    The policy action of color is used for congestion control under which circumstance?（）

    • A、congestion in an upstream router
    • B、congestion in a downstream router
    • C、contention for queue space on an egress interface
    • D、contention for queue space on an ingress interface

    正确答案:C

  • 第10题：

    单选题
    You are experiencing contention in the queue on an egress interface of the router. Which policy action should be used for congestion control?（）
    A

    mark

    B

    color

    C

    filter

    D

    discard


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    Which statement describes exception traffic?（）
    A

    Exception traffic must be sent to the PFE for processing.

    B

    Exception traffic enters one ingress port and is sent out multiple egress ports.

    C

    Exception traffic is rate-limited on the internal link to prevent DoS attacks.

    D

    Exception traffic is processed after forwarding traffic when congestion exists.


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    When a router has to make a rate transition from LAN to WAN, what type of congestion needs should be considered in the network design?（）
    A

    RX-queue deferred

    B

    TX-queue deferred

    C

    RX-queue saturation

    D

    TX-queue saturation

    E

    RX-queue starvation

    F

    TX-queue starvation


    正确答案： A
    解析： 暂无解析

  • 第13题：

    Flow control is a function that prevents network congestion by ensuring that(71)do not overwhelm(72)with data. There are three commonly used methods for handling network congestion.(73)is used by network devices to temporarily store bursts of excess data in memory until they can be processed. (74)are used by receiving devices to help prevent their buffers from overflowing.(75)is a flow -control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.

    A．transmitting devices

    B．transmitted devices

    C．receiving devices

    D．received devices


    正确答案：A

  • 第14题：

    When a router has to make a rate transition from LAN to WAN, what type of congestion needs should be considered in the network design?()

    A. RX-queue deferred

    B. TX-queue deferred

    C. RX-queue saturation

    D. TX-queue saturation

    E. RX-queue starvation

    F. TX-queue starvation


    参考答案：F

  • 第15题：

    Which statement is true about the components of a queuing mechanism？（）

    • A、Each subinterface has its own hardware queue and can experience congestion just like its main interface
    • B、Hardware queuing is only used if the software queues are experiencing congestion.
    • C、Hardware queues and software queues are not used concurrently.
    • D、The hardware queuing system always uses the FIFO queuing mechanism.

    正确答案:D

  • 第16题：

    With MPLS Fast Reroute, what is the "point of local repair"?（）

    • A、egress router
    • B、ingress router
    • C、start of the bypass tunnel
    • D、all routers in the bypass tunnel

    正确答案:C

  • 第17题：

    When a router has to make a rate transition from LAN to WAN, what type of congestion needs should be considered in the network design?（）

    • A、RX-queue deferred
    • B、TX-queue deferred
    • C、RX-queue saturation
    • D、TX-queue saturation
    • E、RX-queue starvation
    • F、TX-queue starvation

    正确答案:F

  • 第18题：

    What are the three elements of configuring congestion management？（）

    • A、queue creation
    • B、determining packet drop thresholds
    • C、determining the random early detection method
    • D、traffic classification
    • E、queue scheduling
    • F、FIFO configuration

    正确答案:A,D,E

  • 第19题：

    Voice quality is bad due to high delay and jitter on a link. Which two actions will improve the quality  of voice calls？（）

    • A、Increase the queue size of the voice class.
    • B、Guarantee bandwidth during congestion to the voice class with a bandwidth command.
    • C、Increase the tx-ring of the egress interface.
    • D、Implement LLQ for the voice class.
    • E、Decrease the rx-ring of the egress interface.
    • F、Decrease the queue size of the voice class.

    正确答案:D,F

  • 第20题：

    Which statement describes exception traffic?（）

    • A、Exception traffic must be sent to the PFE for processing.
    • B、Exception traffic enters one ingress port and is sent out multiple egress ports.
    • C、Exception traffic is rate-limited on the internal link to prevent DoS attacks.
    • D、Exception traffic is processed after forwarding traffic when congestion exists.

    正确答案:C

  • 第21题：

    单选题
    Which statement is true about the components of a queuing mechanism？（）
    A

    Each subinterface has its own hardware queue and can experience congestion just like its main interface

    B

    Hardware queuing is only used if the software queues are experiencing congestion.

    C

    Hardware queues and software queues are not used concurrently.

    D

    The hardware queuing system always uses the FIFO queuing mechanism.


    正确答案： A
    解析： 暂无解析

  • 第22题：

    多选题
    Voice quality is bad due to high delay and jitter on a link. Which two actions will improve the quality  of voice calls？（）
    A

    Increase the queue size of the voice class.

    B

    Guarantee bandwidth during congestion to the voice class with a bandwidth command.

    C

    Increase the tx-ring of the egress interface.

    D

    Implement LLQ for the voice class.

    E

    Decrease the rx-ring of the egress interface.

    F

    Decrease the queue size of the voice class.


    正确答案： A,B
    解析： 暂无解析

  • 第23题：

    单选题
    When a router has to make a rate transition from LAN to WAN， what type of congestion needs should be considered in the network design？（）
    A

     RX-queue deferred

    B

     TX-queue deferred

    C

     RX-queue saturation

    D

     TX-queue saturation

    E

     RX-queue starvation

    F

     TX-queue starvation


    正确答案： F
    解析： 暂无解析

  • 第24题：

    单选题
    The policy action of color is used for congestion control under which circumstance?（）
    A

    congestion in an upstream router

    B

    congestion in a downstream router

    C

    contention for queue space on an egress interface

    D

    contention for queue space on an ingress interface


    正确答案： A
    解析： 暂无解析

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