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多选题What are two purposes of a forwarding class?()Ato rewrite the ToS bits in the IP headerBto classify trafficCto identify traffic that should receive commom treatmentDto assign traffic to output queues

题目
多选题
What are two purposes of a forwarding class?()
A

to rewrite the ToS bits in the IP header

B

to classify traffic

C

to identify traffic that should receive commom treatment

D

to assign traffic to output queues


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更多“多选题What are two purposes of a forwarding class?()Ato rewrite the ToS bits in the IP headerBto classify trafficCto identify traffic that should receive commom treatmentDto assign traffic to output queues”相关问题
  • 第1题:

    What are two step needed to define a QoS policy for a traffic class?()

    • A、determine a minimum bandwidth guarantee
    • B、determine interfaces to which to apply policy
    • C、assign priorities to the class
    • D、configure access control lists

    正确答案:A,C

  • 第2题:

    In which two ways can you influence how downstream LSRs treat MPLS traffic?()

    • A、Use an EXP rewrite table.
    • B、Use a DSCP rewrite table.
    • C、Statically assign a CoS value to an LDP-signaled LSP
    • D、Statically assign a CoS value to an RSVP-signlated LSP

    正确答案:A,D

  • 第3题:

    What are two steps needed to define a QoS policy for a traffic class?()

    • A、 Determine a minimum bandwidth guarantee.
    • B、 Determine interfaces to which to apply policy.
    • C、 Assign priorities to the class.
    • D、 Configure access control lists.

    正确答案:A,C

  • 第4题:

    Which two statements correctly identify factors to consider when Configuring WAN QoS?()

    • A、Voice Traffic uses Assured Forwarding
    • B、Voice Signaling traffic uses Assured Forwarding
    • C、Voice Signaling traffic uses priority queuing
    • D、Voice Traffic uses priority queuing
    • E、Voice signaling traffic should use priority queuing with Assured Forwarding

    正确答案:B,D

  • 第5题:

    What is the purpose of unicast reverse path forwarding?()

    • A、to validate packet receipt on interfaces where the traffic should be received
    • B、to forward packets out the interfaces where the traffic should be received
    • C、to forward packets out the interfaces where the traffic should be sent
    • D、to validate packet receipt on interfaces where the traffic should be sent

    正确答案:A

  • 第6题:

    What are three functions associated with JUNOS software class of service?()

    • A、Log incoming traffic.
    • B、Classify incoming packets.
    • C、Manage outbound bandwidth.
    • D、Manage congestion by intelligently dropping traffic.
    • E、Classify ATM QoS packets into an equivalent IP CoS environment.

    正确答案:B,C,D

  • 第7题:

    What are two purposes of a forwarding class?()

    • A、to identify traffic that should be dropped
    • B、to classify traffic
    • C、to identify traffic that should receive common treatment
    • D、to assign traffic to output queues

    正确答案:C,D

  • 第8题:

    多选题
    In which two ways can you influence how downstream LSRs treat MPLS traffic?()
    A

    Use an EXP rewrite table.

    B

    Use a DSCP rewrite table.

    C

    Statically assign a CoS value to an LDP-signaled LSP

    D

    Statically assign a CoS value to an RSVP-signlated LSP


    正确答案: A,B
    解析: 暂无解析

  • 第9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

  • 第10题:

    多选题
    Which two statements correctly identify factors to consider when Configuring WAN QoS?()
    A

    Voice Traffic uses Assured Forwarding

    B

    Voice Signaling traffic uses Assured Forwarding

    C

    Voice Signaling traffic uses priority queuing

    D

    Voice Traffic uses priority queuing

    E

    Voice signaling traffic should use priority queuing with Assured Forwarding


    正确答案: C,D
    解析: 暂无解析

  • 第11题:

    多选题
    In which two ways can you influence how downstream LSRs treat MPLS traffic?()
    A

    Use an EXP rewrite table.

    B

    Use a DSCP rewrite table.

    C

    Statically assign a CoS value to an LDP-signaled LSP.

    D

    Statically assign a CoS value to an RSVP-signaled LSP.


    正确答案: B,C
    解析: 暂无解析

  • 第12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

  • 第13题:

    Which QoS preclassification option will require the use of the qos pre-classify command for the VPN traffic? ()

    • A、VPN traffic needs to be classified based on the Layer2 header information
    • B、VPN traffic needs to be classified based on the IP precedence or DSCP
    • C、VPN traffic needs to be classified based on IP flow or Layer 3 information, such as source and destination IP address
    • D、VPN traffic with Authentication Header (AH) needs to preserve the ToS byte

    正确答案:C

  • 第14题:

    What are two functions associated with JUNOS software class of service?()

    • A、Manage ingress bandwidth.
    • B、Mark packets for special handling.
    • C、Manage congestion by intelligently dropping traffic.
    • D、Classify Frame Relay QoS packets into an equivalent IP CoS environment.

    正确答案:B,C

  • 第15题:

    On the basis of the definitions of different services in various RFCs, traffic with Expedited Forwarding per-hop behavior should be marked as which of these?()

    • A、IP ToS of 0xEF
    • B、IP experimental ECN
    • C、DSCP decimal 5
    • D、Binary value of 101110

    正确答案:D

  • 第16题:

    What are two functions associated with JUNOS software class of service?()

    • A、Log incoming traffic.
    • B、Manage ingress bandwidth.
    • C、Mark packets for special handling.
    • D、Manage congestion by intelligently dropping traffic.
    • E、Classify Frame Relay QoS packets into an equivalent OP CoS environment.

    正确答案:C,D

  • 第17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

  • 第18题:

    What are two purposes of a forwarding class?()

    • A、to rewrite the ToS bits in the IP header
    • B、to classify traffic
    • C、to identify traffic that should receive commom treatment
    • D、to assign traffic to output queues

    正确答案:C,D

  • 第19题:

    多选题
    What are two purposes of a forwarding class?()
    A

    to identify traffic that should be dropped

    B

    to classify traffic

    C

    to identify traffic that should receive common treatment

    D

    to assign traffic to output queues


    正确答案: A,B
    解析: 暂无解析

  • 第20题:

    多选题
    Which two statements about forwarding equivalence class (FEC) are true?()
    A

    FEC might correspond to a destination IP subnet, but it might also correspond to any traffic class that the edge LSR considers significant.

    B

    FEC is a group of IP packets that is forwarded over a different path, but with the same forwarding treatment.

    C

    FEC is a group of IP packets that is forwarded over the same path, and with the same forwarding treatment.

    D

    FEC is a group of IP packets that is forwarded over a different path, but with the different forwarding treatment.

    E

    FEC is a group of IP packets that is forwarded over the same path, but with a different forwarding treatment


    正确答案: C,B
    解析: 暂无解析

  • 第21题:

    多选题
    Authentication for user data traffic is important, but so is authentication for IP voice traffic. The Cisco 830 802.1 feature provides an easier method for allowing IP voice traffic through the VPN, because it().
    A

    requires access lists to identify the voice traffic

    B

    can allow traffic from a device without 802.1X authentication, by MAC address

    C

    can allow traffic from Cisco IP phones by listening to their CDP advertisements

    D

    allows all packets marked with a ToS of 5 to bypass authentication

    E

    allows all IP voice packets to bypass authentication via stateful inspection


    正确答案: C,B
    解析: 暂无解析

  • 第22题:

    多选题
    What are two reasons that a network administrator would use access lists (Choose two.)()。
    A

    to control vty access into a router

    B

    to control broadcast traffic through a router

    C

    to filter traffic as it passes through a router

    D

    to filter traffic that originates from the router

    E

    to replace passwords as a line of defense against security incursions


    正确答案: B,C
    解析: 暂无解析

  • 第23题:

    单选题
    What is the purpose of unicast reverse path forwarding?()
    A

    to validate packet receipt on interfaces where the traffic should be received

    B

    to forward packets out the interfaces where the traffic should be received

    C

    to forward packets out the interfaces where the traffic should be sent

    D

    to validate packet receipt on interfaces where the traffic should be sent


    正确答案: A
    解析: 暂无解析