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 fo

题目

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
相似考题

1.Which two statements are true regarding the role of the Routing Engine (RE)?()A. The RE controls and monitors the chassis.B. The RE manages the Packet Forwarding Engine (PFE).C. The RE receives a copy of the forwarding table from the forwarding plane.D. The RE implements class of service (COS).

2.What are two functions of the RE?()A. to maintain routing tablesB. to forward traffic toward its destinationC. to manage the PFED. to implement various services such as policing, stateless firewall filtering, and class of service

3.In the Junos OS, what handles transit traffic?()A. Transit traffic is handled by the RE onlyB. Transit traffic is handled by the PFE onlyC. Transit traffic is handled by both the RE and the PFED. Transit traffic is not handled by the RE or the PFE

4.Which command will show the best paths that are installed in the PFE?()A. show routeB. show route active-pathC. show route privateD. show route forwarding-table

更多“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 fo”相关问题

  • 第1题：

    How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?()

    A. It sends the traffic through one egress port toward its destination

    B. It sends the traffic through multiple egress ports to all available receivers

    C. It sends the traffic through an internal link to the RE

    D. It sends the traffic to the local system for further processing


    参考答案：A

  • 第2题：

    Whitch two statements are true regarding the role of the Routing Engine (RE)? ()

    A. The RE controls and monitors the chassis

    B. The RE manages the Packet Forwarding Engine (PFE)

    C. The RE receives a copy of the forwarding table from the forwarding plane

    D. The RE implements class of service (COS)


    参考答案：A, B

  • 第3题：

    How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?（）

    • A、It sends the traffic through one egress port toward its destination
    • B、It sends the traffic through multiple egress ports to all available receivers
    • C、It sends the traffic through an internal link to the RE
    • D、It sends the traffic to the local system for further processing

    正确答案:A

  • 第4题：

    Which statement is true regarding the forwarding plane?（）

    • A、The forwarding plane is contained within the Routing Engine (RE)
    • B、The forwarding plane processes and evaluates exception traffic
    • C、The forwarding plane contains the Packet Forwarding Engine (PFE)
    • D、The forwarding plane is not present on all platforms running the Junos OS

    正确答案:C

  • 第5题：

    Which two statements are true regarding the role of the Routing Engine (RE)?（）

    • A、The RE controls and monitors the chassis.
    • B、The RE manages the Packet Forwarding Engine (PFE).
    • C、The RE receives a copy of the forwarding table from the forwarding plane.
    • D、The RE implements class of service (COS).

    正确答案:A,B

  • 第6题：

    In the Junos OS, what handles transit traffic?（）

    • A、Transit traffic is handled by the RE only
    • B、Transit traffic is handled by the PFE only
    • C、Transit traffic is handled by both the RE and the PFE
    • D、Transit traffic is not handled by the RE or the PFE

    正确答案:B

  • 第7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8题：

    If the PFE does not have a route to the destination address of a packet, which action will be taken?（）

    • A、The PFE floods the packet out of all interfaces.
    • B、The PFE drops the packet and sends a destination unreachable notification back to source device.
    • C、The PFE forwards the packet to the routing engine for furtherprocessing.
    • D、The PFE queues the packet and sends are quest for a layer3 lookup to the routing engine.

    正确答案:B

  • 第9题：

    Which statement is correct about policies in the Junos OS?（）

    • A、Export policies are used to filter routes from the RE forwarding table to the PFE forwarding table.
    • B、Export policies are used to filter routes destined for the routing table.
    • C、Export policies are used to filter routes being sent to neighboring devices.
    • D、Export policies are used to filter traffic leaving the device.

    正确答案:C

  • 第10题：

    单选题
    Which statement is true regarding the forwarding plane?（）
    A

    The forwarding plane is contained within the Routing Engine (RE)

    B

    The forwarding plane processes and evaluates exception traffic

    C

    The forwarding plane contains the Packet Forwarding Engine (PFE)

    D

    The forwarding plane is not present on all platforms running the Junos OS


    正确答案： C
    解析： 暂无解析

  • 第11题：

    多选题
    Which two statements regarding JUNOS architecture are correct?（）
    A

    The Routing Engine handles all exception traffic.

    B

    The Routing Engine synchronizes the route table with the PFE

    C

    The Routing Engine is hot-pluggable.

    D

    The Routing Engine controls the PFE


    正确答案： D,B
    解析： 暂无解析

  • 第12题：

    多选题
    Which two statements are true regarding the role of the Routing Engine (RE)?（）
    A

    The RE controls and monitors the chassis.

    B

    The RE manages the Packet Forwarding Engine (PFE).

    C

    The RE receives a copy of the forwarding table from the forwarding plane.

    D

    The RE implements class of service (COS).


    正确答案： B,A
    解析： 暂无解析

  • 第13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


    参考答案：B

  • 第14题：

    Which two statements regarding JUNOS architecture are correct?()

    A.The Routing Engine handles all exception traffic.

    B.The Routing Engine synchronizes the route table with the PFE

    C.The Routing Engine is hot-pluggable.

    D.The Routing Engine controls the PFE


    参考答案：C, D

  • 第15题：

    What are two functions of the RE?（）

    • A、to maintain routing tables
    • B、to forward traffic toward its destination
    • C、to manage the PFE
    • D、to implement various services such as policing, stateless firewall filtering, and class of service

    正确答案:A,C

  • 第16题：

    Which command will show the best paths that are installed in the PFE?（）

    • A、show route
    • B、show route active-path
    • C、show route private
    • D、show route forwarding-table

    正确答案:D

  • 第17题：

    Which command displays the egress interfaces selected on the PFE for destination prefixes?（）

    • A、show route forwarding-table
    • B、show route table
    • C、show route table extensive
    • D、show pfefwdd

    正确答案:A

  • 第18题：

    变压器的铁损PFe又称空载损失，它的数值与变压器铁芯材质有关，铁损与变压器负荷电流I符合下列（）关系式。

    • A、PFe∝I
    • B、PFe∝1/I
    • C、PFe∝I2
    • D、PFe与I的大小无关

    正确答案:D

  • 第19题：

    Which two statements regarding JUNOS architecture are correct?（）

    • A、The Routing Engine handles all exception traffic.
    • B、The Routing Engine synchronizes the route table with the PFE
    • C、The Routing Engine is hot-pluggable.
    • D、The Routing Engine controls the PFE

    正确答案:C,D

  • 第20题：

    Whitch two statements are true regarding the role of the Routing Engine (RE)? （）

    • A、The RE controls and monitors the chassis
    • B、The RE manages the Packet Forwarding Engine (PFE)
    • C、The RE receives a copy of the forwarding table from the forwarding plane
    • D、The RE implements class of service (COS)

    正确答案:A,B

  • 第21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22题：

    单选题
    If the PFE does not have a route to the destination address of a packet, which action will be taken?（）
    A

    The PFE floods the packet out of all interfaces.

    B

    The PFE drops the packet and sends a destination unreachable notification back to source device.

    C

    The PFE forwards the packet to the routing engine for furtherprocessing.

    D

    The PFE queues the packet and sends are quest for a layer3 lookup to the routing engine.


    正确答案： A
    解析： 暂无解析

  • 第23题：

    多选题
    What are two functions of the RE?（）
    A

    to maintain routing tables

    B

    to forward traffic toward its destination

    C

    to manage the PFE

    D

    to implement various services such as policing, stateless firewall filtering, and class of service


    正确答案： A,C
    解析： 暂无解析

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