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单选题Which element occurs first during the first-packet-path processing?（）A destination NATB forwarding lookupC route lookupD SCREEN options

题目
单选题
Which element occurs first during the first-packet-path processing?（）
A

destination NAT

B

forwarding lookup

C

route lookup

D

SCREEN options

相似考题

1.Which element occurs first during the first－packet－path processing?()A. destination NATB. forwarding lookupC. route lookupD. SCREEN options

2.Regarding fast path processing, when does the system perform the policy check?()A. The policy is determined after the SCREEN options check.B. The policy is determined only during the first packet path, not during fast path.C. The policy is determined after the zone check.D. The policy is determined after the SYN TCP flag.

3.Which two functions of the Junos OS are handled by the data plane? ()(Choose two.)A. NATB. OSPFC. SNMPD. SCREEN options

4.Which two statements about the use of SCREEN options are correct? ()(Choose two.)A. SCREEN options offer protection against various attacksB. SCREEN options are deployed prior to route and policy processing in first path packet processingC. SCREEN options are deployed at the ingress and egress sides of a packet flowD. SCREEN options, you must take special care to protect OSPF

更多“单选题Which element occurs first during the first-packet-path processing?（）A destination NATB forwarding lookupC route lookupD SCREEN options”相关问题

  • 第1题：

    Which two statements about Junos software packet handling are correct?()(Choose two.)

    A. The Junos OS applies service ALGs only for the first packet of a flow.

    B. The Junos OS uses fast-path processing only for the first packet of a flow.

    C. The Junos OS performs policy lookup only for the first packet of a flow.

    D. The Junos OS applies SCREEN options for both first and consecutive packets of a flow.


    参考答案：C, D

  • 第2题：

    Which ERX Edge Router component is responsible for all packet processing and packet forwarding?()

    A.I/O adapter

    B.line module

    C.shared memory fabric

    D.switch route processor


    参考答案：B

  • 第3题：

    Which ERX Edge Router component is responsible for all packet processing and packet forwarding？（）

    • A、I/O adapter
    • B、line module
    • C、shared memory fabric
    • D、switch route processor

    正确答案:B

  • 第4题：

    Which two statements about the use of SCREEN options are correct? （）(Choose two.)

    • A、SCREEN options offer protection against various attacks
    • B、SCREEN options are deployed prior to route and policy processing in first path packet processing
    • C、SCREEN options are deployed at the ingress and egress sides of a packet flow
    • D、SCREEN options, you must take special care to protect OSPF

    正确答案:A,B

  • 第5题：

    Which tool allows a LAN client to determine which router should be the first hop to a particular remote destination, allowing simplified client configuration and processing without creating a single point of failure?（）

    • A、Proxy ARP
    • B、IRDP
    • C、Dynamic Routing Protocol
    • D、VRRP

    正确答案:D

  • 第6题：

    Which two statements about the use of SCREEN options are correct？（）

    • A、SCREEN options are deployed at the ingress and egress sides of a packet flow.
    • B、Although SCREEN options are very useful， their use can result in more session creation.
    • C、SCREEN options offer protection against various attacks at the ingress zone of a packet flow.
    • D、SCREEN options examine traffic prior to policy processing， thereby resulting in fewer resouces used formalicious packet processing.

    正确答案:C,D

  • 第7题：

    Which two functions of the Junos OS are handled by the data plane? （）(Choose two.)

    • A、NAT
    • B、OSPF
    • C、SNMP
    • D、SCREEN options

    正确答案:A,D

  • 第8题：

    Which action occurs when the BGP route 20.1.0.0/16 is evaluated by the policy expression？（） [editpolicy-options]  policy-statementmy-filter {  term-first{  from{  route-filter192.168.0.0/16orlongeraccept；  route-filter 192.168.1.0/24 exact accept；  route-filter 192.168.2.0/24 exact；  }  then{  metric10；  accept；  }  termsecond {  then{  metric20；  accept；  }}  policy-statementmain {  termchange-attributes  from{  policymy-filter；  }  thenaccept；  }  termdefault {  thenreject；  }}  [editprotocols]  bgp{  exportmain；  }

    • A、The route is not advertised into BGP
    • B、The route is advertised into BGP with metric 10.
    • C、The route is advertised into BGP with metric 20.
    • D、The route is advertised into BGP with default metric.

    正确答案:D

  • 第9题：

    多选题
    Which two statements about Junos software packet handling are correct?（）(Choose two.)
    A

    The Junos OS applies service ALGs only for the first packet of a flow.

    B

    The Junos OS uses fast-path processing only for the first packet of a flow.

    C

    The Junos OS performs policy lookup only for the first packet of a flow.

    D

    The Junos OS applies SCREEN options for both first and consecutive packets of a flow.


    正确答案： C,B
    解析： 暂无解析

  • 第10题：

    多选题
    Which two statements about the use of SCREEN options are correct? （）(Choose two.)
    A

    SCREEN options offer protection against various attacks

    B

    SCREEN options are deployed prior to route and policy processing in first path packet processing

    C

    SCREEN options are deployed at the ingress and egress sides of a packet flow

    D

    SCREEN options, you must take special care to protect OSPF


    正确答案： A,D
    解析： 暂无解析

  • 第11题：

    单选题
    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： D
    解析： 暂无解析

  • 第12题：

    多选题
    Which two statements about the use of SCREEN options are correct？（）
    A

    SCREEN options are deployed at the ingress and egress sides of a packet flow.

    B

    Although SCREEN options are very useful， their use can result in more session creation.

    C

    SCREEN options offer protection against various attacks at the ingress zone of a packet flow.

    D

    SCREEN options examine traffic prior to policy processing， thereby resulting in fewer resouces used formalicious packet processing.


    正确答案： C,D
    解析： 暂无解析

  • 第13题：

    The SRX device receives a packet and determines that it does not match an existing session.After SCREEN options are evaluated, what is evaluated next?()

    A. source NAT

    B. destination NAT

    C. route lookup

    D. zone lookup


    参考答案：B

  • 第14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


    参考答案：A

  • 第15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16题：

    Which element occurs first during the first-packet-path processing?（）

    • A、destination NAT
    • B、forwarding lookup
    • C、route lookup
    • D、SCREEN options

    正确答案:D

  • 第17题：

    Which two functions of JUNOS Software are handled by the data plane？（）

    • A、NAT
    • B、OSPF
    • C、SNMP
    • D、SCREEN options

    正确答案:A,D

  • 第18题：

    The SRX device receives a packet and determines that it does not match an existing session.After SCREEN options are evaluated, what is evaluated next?（）

    • A、source NAT
    • B、destination NAT
    • C、route lookup
    • D、zone lookup

    正确答案:B

  • 第19题：

    Which two statements about JUNOS Software packet handling are correct？（）

    • A、JUNOS Software applies service ALGs only for the first packet of a flow.
    • B、JUNOS Software uses fast-path processing only for the first packet of a flow.
    • C、JUNOS Software performs route and policy lookup only for the first packet of a flow.
    • D、JUNOS Software applies SCREEN options for both first and consecutive packets of a flow.

    正确答案:C,D

  • 第20题：

    单选题
    Regarding fast path processing, when does the system perform the policy check?（）
    A

    The policy is determined after the SCREEN options check.

    B

    The policy is determined only during the first packet path, not during fast path.

    C

    The policy is determined after the zone check.

    D

    The policy is determined after the SYN TCP flag.


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    Which ERX Edge Router component is responsible for all packet processing and packet forwarding？（）
    A

    I/O adapter

    B

    line module

    C

    shared memory fabric

    D

    switch route processor


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    Which action occurs when the BGP route 20.1.0.0/16 is evaluated by the policy expression？（） [editpolicy-options]  policy-statementmy-filter {  term-first{  from{  route-filter192.168.0.0/16orlongeraccept；  route-filter 192.168.1.0/24 exact accept；  route-filter 192.168.2.0/24 exact；  }  then{  metric10；  accept；  }  termsecond {  then{  metric20；  accept；  }}  policy-statementmain {  termchange-attributes  from{  policymy-filter；  }  thenaccept；  }  termdefault {  thenreject；  }}  [editprotocols]  bgp{  exportmain；  }
    A

    The route is not advertised into BGP

    B

    The route is advertised into BGP with metric 10.

    C

    The route is advertised into BGP with metric 20.

    D

    The route is advertised into BGP with default metric.


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    Which tool allows a LAN client to determine which router should be the first hop to a particular remote destination, allowing simplified client configuration and processing without creating a single point of failure?（）
    A

    Proxy ARP

    B

    IRDP

    C

    Dynamic Routing Protocol

    D

    VRRP


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    Which element occurs first during the first-packet-path processing?（）
    A

    destination NAT

    B

    forwarding lookup

    C

    route lookup

    D

    SCREEN options


    正确答案： A
    解析： 暂无解析

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