单选题When is the BA Classifier engaged for identifying the forwarding class of traffic in a Juniper router?（）A after a packet is identified by a multifield classifierB after the traffic passes though a shaperC prior to ingress policing of trafficD while the

题目
单选题
When is the BA Classifier engaged for identifying the forwarding class of traffic in a Juniper router?（）
A

after a packet is identified by a multifield classifier

B

after the traffic passes though a shaper

C

prior to ingress policing of traffic

D

while the packet is stored in the switching fabric of the router

相似考题

1.Which statement describes the PFE?()A. The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tablesB. The PFE implements advanced services such as policing, stateless firewall filtering, and class of serviceC. The PFE sends traffic to the RE for systematic packet forwardingD. The PFE receives hardware and environmental status messages from the RE

2.What is the first CoS process performed when a packet enters a JUNOS device?()A.Rewrite MarkerB.Multifield ClassifierC.PolicingD.BA Classifier

3.What is the last CoS process performed prior to a packet leaving a router?()A.Rewrite MarkerB.Multifield ClassifierC.PolicingD.BA Classifier

4.When is the BA Classifier engaged for identifying the forwarding class of traffic in a Juniper router?()A.after a packet is identified by a multifield classifierB.after the traffic passes though a shaperC.prior to ingress policing of trafficD.while the packet is stored in the switching fabric of the router

更多“单选题When is the BA Classifier engaged for identifying the forwarding class of traffic in a Juniper router?（）A after a packet is identified by a multifield classifierB after the traffic passes though a shaperC prior to ingress policing of trafficD while the”相关问题

  • 第1题：

    What is the proper order for CoS processing for ingress packets on a Juniper router?()

    A.Multifield Classifier > Forwarding Policy > Policing > BA Classifier

    B.Multifield Classifier > Policing > BA Classifier > Forwarding Policy

    C.BA Classifier > Policing > Multifield Classifier > Forwarding Policy

    D.BA Classifier > Forwarding Policy > Policing > Multifield Classifier


    参考答案：C

  • 第2题：

    Users at the Charleville Company began experiencing high network delays when Internet connectivity was enabled for all users. After investigating the traffic flow, you determine that peerto-peer traffic from a music download site is consuming a large amount of bandwidth. Which QoS mechanism can you implement to improve the network response time?（）

    A. Use CBWFQ to queue the peer-to-peer traffic into the default traffic class.

    B. Use class-based WRED to randomly drop the peer-to-peer traffic during network congestions.

    C. Use class-based policing to limit the peer-to-peer traffic rate.

    D. Use class-based shaping to delay any excessive peer-to-peer traffic. Answer: C


    参考答案：C

  • 第3题：

    Which two statements are true about traffic shaping and traffic policing？（）

    • A、both traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCP
    • B、both traffic shaping and traffic policing support the marking and re-marking of traffic
    • C、the effects of traffic shaping and traffic policing when configured on a router are applied to outgoing traffic
    • D、traffic shaping queues excess traffic whereas traffic policing discards excess traffic
    • E、traffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate

    正确答案:C,D

  • 第4题：

    Which two statements describe the difference between JUNOS Software for securityplatforms and a traditional router？（）

    • A、JUNOS Software for security platforms supports NAT and PAT； a traditional router does not support NAT or PAT.
    • B、JUNOS Software for security platforms does not forward traffic by default； a traditional router forwards traffic by default.
    • C、JUNOS Software for security platforms uses session-based forwarding； a traditional router uses packet-based forwarding.
    • D、JUNOS Software for security platforms performs route lookup for every packet； a traditional router performs route lookup only for the first packet.

    正确答案:B,C

  • 第5题：

    When are packets processed in an inbound access list?（）

    • A、Before they are routed to an outbound interface.
    • B、After they are routed for outbound traffic.
    • C、After they are routed to an outbound interface while queuing.
    • D、Before and after they are routed to an outbound interface.
    • E、Depends on the configuration of the interface
    • F、None of the above

    正确答案:A

  • 第6题：

    What is the first CoS process performed when a packet enters a JUNOS device?（）

    • A、Rewrite Marker
    • B、Multifield Classifier
    • C、Policing
    • D、BA Classifier

    正确答案:D

  • 第7题：

    When does the E-series router start monitoring DHCP traffic using the DHCP External function?（）

    • A、When the discovery packet enters the router from the DHCP client.
    • B、Only when the offer packet enters the router from the DHCP server.
    • C、When the acknowledge packet enters the router from the DHCP server.
    • D、Only when the discovery packet leaves the router going to the DHCP server.

    正确答案:D

  • 第8题：

    多选题
    Which two of these are differences between traffic policing and traffic shaping？（）
    A

    with traffic shaping，a router stores excess traffic in packet buffers until bandwidth is available again

    B

    with policing you can tune the buffer usage for traffic exceeding the specified CIR

    C

    with shaping you can tune the buffer usage for traffic exceeding the specified CIR

    D

    shaping should only be applied for ingress traffic，policing only for egress

    E

    policing uses a token bucket algorithm，shaping uses an SPD algorithm


    正确答案： C,A
    解析： 暂无解析

  • 第9题：

    单选题
    Which statement describes the PFE?（）
    A

    The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tables

    B

    The PFE implements advanced services such as policing, stateless firewall filtering, and class of service

    C

    The PFE sends traffic to the RE for systematic packet forwarding

    D

    The PFE receives hardware and environmental status messages from the RE


    正确答案： C
    解析： 暂无解析

  • 第10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11题：

    单选题
    When is the BA Classifier engaged for identifying the forwarding class of traffic in a Juniper router?（）
    A

    after a packet is identified by a multifield classifier

    B

    after the traffic passes though a shaper

    C

    prior to ingress policing of traffic

    D

    while the packet is stored in the switching fabric of the router


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    What is the proper order for CoS processing for ingress packets on a Juniper router?（）
    A

    Multifield Classifier > Forwarding Policy > Policing > BA Classifier

    B

    Multifield Classifier > Policing > BA Classifier > Forwarding Policy

    C

    BA Classifier > Policing > Multifield Classifier > Forwarding Policy

    D

    BA Classifier > Forwarding Policy > Policing > Multifield Classifier


    正确答案： B
    解析： 暂无解析

  • 第13题：

    When are packets processed in an inbound access list?()

    A. Before they are routed to an outbound interface.

    B. After they are routed for outbound traffic.

    C. After they are routed to an outbound interface while queuing.

    D. Before and after they are routed to an outbound interface.

    E. Depends on the configuration of the interface

    F. None of the above


    参考答案：A

  • 第14题：

    Which two of these are differences between traffic policing and traffic shaping？（）

    • A、with traffic shaping，a router stores excess traffic in packet buffers until bandwidth is available again
    • B、with policing you can tune the buffer usage for traffic exceeding the specified CIR
    • C、with shaping you can tune the buffer usage for traffic exceeding the specified CIR
    • D、shaping should only be applied for ingress traffic，policing only for egress
    • E、policing uses a token bucket algorithm，shaping uses an SPD algorithm

    正确答案:A,C

  • 第15题：

    Which statement describes the PFE?（）

    • A、The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tables
    • B、The PFE implements advanced services such as policing, stateless firewall filtering, and class of service
    • C、The PFE sends traffic to the RE for systematic packet forwarding
    • D、The PFE receives hardware and environmental status messages from the RE

    正确答案:B

  • 第16题：

    What is the proper order for CoS processing for ingress packets on a Juniper router?（）

    • A、Multifield Classifier > Forwarding Policy > Policing > BA Classifier
    • B、Multifield Classifier > Policing > BA Classifier > Forwarding Policy
    • C、BA Classifier > Policing > Multifield Classifier > Forwarding Policy
    • D、BA Classifier > Forwarding Policy > Policing > Multifield Classifier

    正确答案:C

  • 第17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18题：

    When is the BA Classifier engaged for identifying the forwarding class of traffic in a Juniper router?（）

    • A、after a packet is identified by a multifield classifier
    • B、after the traffic passes though a shaper
    • C、prior to ingress policing of traffic
    • D、while the packet is stored in the switching fabric of the router

    正确答案:C

  • 第19题：

    What is the last CoS process performed prior to a packet leaving a router?（）

    • A、Rewrite Marker
    • B、Multifield Classifier
    • C、Policing
    • D、BA Classifier

    正确答案:A

  • 第20题：

    多选题
    Which two statements are true about traffic shaping and traffic policing？（）
    A

    both traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCP

    B

    both traffic shaping and traffic policing support the marking and re-marking of traffic

    C

    the effects of traffic shaping and traffic policing when configured on a router are applied to outgoing traffic

    D

    traffic shaping queues excess traffic whereas traffic policing discards excess traffic

    E

    traffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate


    正确答案： C,D
    解析： 暂无解析

  • 第21题：

    单选题
    What is the default Quality of Service traffic class used by the ERX Edge Router?（）
    A

    bronze forwarding

    B

    assured forwarding

    C

    expedited forwarding

    D

    best effort forwarding


    正确答案： C
    解析： 暂无解析

  • 第22题：

    多选题
    Which of the following statemets regarding Control Plane Policing （CoPP） is correct？（）
    A

    Control Plane Policing （CoPP） addresses the need to protect the management planes， ensuring routingstability， availability， and critical packet delivery.

    B

    Control Plane Policing （CoPP） leverages MQC to define traffic classification criteria and to specifyconfigurable policy actions for the classified traffic.

    C

    Control Plane Policing （CoPP） uses a dedicated control-plane command via the Modular QoS CLI （MQC）to provide filtering and rate limiting capabilities.

    D

    Control Plane Policing （CoPP） uses service policy command under relevant interfaces to filter DOS packet to protect routing packets.

    E

    Control Plane Policing （CoPP） protects the transit management and data traffic through the router.


    正确答案： B,C
    解析： 暂无解析

  • 第23题：

    单选题
    Users at the Charleville Company began experiencing high network delays when Internetconnectivity was enabled for all users. After investigating the traffic flow， you determine that peer-to-peer traffic from a music download site is consuming a large amount of bandwidth. Which QoSmechanism can you implement to improve the network response time？（）
    A

     Use CBWFQ to queue the peer-to-peer traffic into the default traffic class.

    B

     Use class-based WRED to randomly drop the peer-to-peer traffic during network congestions. 

    C

     Use class-based policing to limit the peer-to-peer traffic rate.

    D

     Use class-based shaping to delay any excessive peer-to-peer traffic.


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    What are the contents of a scheduler?（）
    A

    A scheduler contains parameters that describe how a queue should be serviced.

    B

    A scheduler contains traffic that is ready to be transmitted.

    C

    A scheduler contains forwarding classes that allow traffic to be forwarded.

    D

    A scheduler contains a map between the classification of a packet and its forwarding class.


    正确答案： A
    解析： 暂无解析

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