Your ERX Edge Router is using an inbound route-map for an EBGP peer to only accept routes in the range of 192.168.32.0 through 192.168.95.255. The route-map references an access list named test . What accurately accomplishes the goal of the route-map?()A

题目

Your ERX Edge Router is using an inbound route-map for an EBGP peer to only accept routes in the range of 192.168.32.0 through 192.168.95.255. The route-map references an access list named test . What accurately accomplishes the goal of the route-map?()

  • A、access-list test 192.168.32.0 0.0.63.255
  • B、access-list test permit 192.168.32.0 0.0.64.255
  • C、access-list test permit 192.168.32.0 0.0.63.255
  • D、access-list test permit 192.168.32.0 255.255.63.0

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  • 第1题:

    You wish to limit telnet access into your Cisco router to only a single host. In order to accomplish this, access list 1 has been written to allow host 172.16.1.224 access to the router vty lines.What command would assign this access- list to the Virtual Terminal Lines?()

    A. router(config-line)# ip access-group 1 in

    B. router(config-line)# access-class 1 in

    C. router(config-line)# ip access-list 1 in

    D. router(config-line)# access-line 1 in


    参考答案:B

  • 第2题:

    实现包过滤的核心技术是()

    A.地址前缀列表(Prefix-list)

    B.访问控制列表(Access-list)

    C.团体属性列表(Community-list)

    D.路由映射表(Route-map)


    参考答案:B

  • 第3题:

    一台路由器运行OSPF和RIP路由协议,现在需要将RIP中的路由引入到OSPF中,用到了Redistribute ripsubnets route-map的命令,如果这个route-map中最后的空语句忘记填写了,会出现什么情况?()

    • A、可能RIP中某些路由不会重发布进到OSPF中
    • B、不会有任何影响,RIP会被正常引入到OSPF中
    • C、没有被route-map关联的路由也会引入OSPF中,类型为OE2
    • D、没有被route-map关联的路由也会引入OSPF中,metric保留为原来rip中的跳数

    正确答案:A

  • 第4题:

    A request arrived on your MPLS-vpn-bgp group. Due to a security breach,your customer is experiencing DoS attacks coming from specific subnets (200.0.10.0/24, 200.0.12.0/24). You have checked all MPLS-EBGP routes being advertised to BHK from other VPN sites and found four subnets listed:200.0.10.0/24,200.0.11.0/24,200.0.12.0/24,200.0.13.0/24. You immediately apply an outbound ACL filter using the appropriate MPLS-EBGP tool: access-list 1 deny 0.0.0.0 255.255.254.255 access-list 1 permit any What happens when you apply this ACL on the MPLS-EBGP connection to BHK?()

    • A、It blocks all routes.
    • B、It blocks the routes 200.0.12.0/24,200.0.10.0/24 only.
    • C、It blocks the routes 200.0.12.0/24,200.0.13.0/24 only.
    • D、It blocks the routes 200.0.10.0/24,200.0.13.0/24 only.
    • E、Nothing happens,no routes are blocked.

    正确答案:B

  • 第5题:

    实现包过滤的核心技术是 ()

    • A、地址前缀列表(Prefix-list)
    • B、访问控制列表(Access-list)
    • C、团体属性列表(Community-list)
    • D、路由映射表(Route-map)

    正确答案:B

  • 第6题:

    You wish to limit telnet access into your Cisco router to only a single host. In order to accomplish this, access list 1 has been written to allow host 172.16.1.224 access to the router vty lines. What command would assign this access- list to the Virtual Terminal Lines?()

    • A、router(config-line)# ip access-group 1 in
    • B、router(config-line)# access-class 1 in
    • C、router(config-line)# ip access-list 1 in
    • D、router(config-line)# access-line 1 in

    正确答案:B

  • 第7题:

    An ERX Edge Router is operating in an MPLS network using interface label space.What is used to make a forwarding decision?()

    • A、EXP bits
    • B、VPI / VCI
    • C、shim header
    • D、SNAP header

    正确答案:B

  • 第8题:

    In a bridged 1483 network, what configuration command allows the ERX Edge Router to advertise customer networks into the provider’s IGP? ()

    • A、redistribute direct
    • B、redistribute static
    • C、redistribute connected
    • D、redistribute access-internal

    正确答案:C

  • 第9题:

    Your network contains an Active Directory domain named contoso.com. The domain contains a server named Server1 that runs Windows Server 2012 R2. You create a new inbound rule by using Windows Firewall with Advanced Security. You need to configure the rule to allow Server1 to accept unsolicited inbound packets that are received through a network address translation (NAT) device on the network. Which setting in the rule should you configure?()

    • A、Edge traversal
    • B、Authorized computers
    • C、Interface types
    • D、Remote IP address

    正确答案:A

  • 第10题:

    单选题
    What is the order of preference for these commands when all of them are applied to one neighbor in theBGP inbound filter direction?()
    A

    prefix-list, route-map, filter-list, distribute list

    B

    route-map, filter-list, prefix-list, distribute-list

    C

    route-map, distribute-list, prefix-list, filter-list

    D

    filter-list, prefix list, route-map, distribute list

    E

    distribute list, prefix-list, route-map, fitter list


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    A BGP router is configured with bgp dampening 8 300 1500 20 route-map 1 .What does the value of 20 represent?()
    A

    reuse

    B

    suppress

    C

    half-life

    D

    max-suppress-time


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    Your ERX Edge Router is using an inbound route-map for an EBGP peer to only accept routes in the range of 192.168.32.0 through 192.168.95.255. The route-map references an access list named test . What accurately accomplishes the goal of the route-map?()
    A

    access-list test 192.168.32.0 0.0.63.255

    B

    access-list test permit 192.168.32.0 0.0.64.255

    C

    access-list test permit 192.168.32.0 0.0.63.255

    D

    access-list test permit 192.168.32.0 255.255.63.0


    正确答案: B
    解析: 暂无解析

  • 第13题:

    WhatistheorderofpreferenceforthesecommandswhenallofthemareappliedtooneneighborintheBGPinboundfilterdirection?()

    A.prefix-list,route-map,filter-list,distributelist

    B.route-map,filter-list,prefix-list,distribute-list

    C.route-map,distribute-list,prefix-list,filter-list

    D.filter-list,prefixlist,route-map,distributelist

    E.distributelist,prefix-list,route-map,fitterlist


    参考答案:B

  • 第14题:

    配置策略路由时,需要在接口下通过路由图名字调用已配置的route-map,路由器上有个route-map的名字叫abc,下列配置中正确的是()

    • A、router(config-if)#ip policy route-map abc in
    • B、router(config-if)#ip policy route-mapabc out
    • C、router(config-if)#ip policy route-map abc
    • D、router(config-if)# policy route-map abc

    正确答案:C

  • 第15题:

    What is the order of preference for these commands when all of them are applied to one neighbor in theBGP inbound filter direction?()

    • A、prefix-list, route-map, filter-list, distribute list
    • B、route-map, filter-list, prefix-list, distribute-list
    • C、route-map, distribute-list, prefix-list, filter-list
    • D、filter-list, prefix list, route-map, distribute list
    • E、distribute list, prefix-list, route-map, fitter list

    正确答案:B

  • 第16题:

    What configuration command allows the ERX Edge Router to advertise customer networks into the provider’s IGP?()

    • A、redistribute direct
    • B、redistribute static
    • C、redistribute connected
    • D、redistribute access-internal

    正确答案:B

  • 第17题:

    What is the default export routing policy for EBGP?()

    • A、Accept all active BGP routes.
    • B、Accept all BGP routes.
    • C、Accept no routes.
    • D、Accept all active IGP routes.

    正确答案:A

  • 第18题:

    A request arrived on your MPLS-vpn-bgp group. Due to a security breach, your customer is experiencing DoS attacks coming from specific subnets (200.0.10.0/24, 200.0.12.0/24). You have checked all MPLS-EBGP routes being advertised to BHK from other VPN sites and found four subnets listed: 200.0.10.0/24, 200.0.11.0/24, 200.0.12.0/24, 200.0.13.0/24. You immediately apply an outbound ACL filter using the appropriate MPLS-EBGP tool: access-list 1 deny 0.0.0.0 255.255.254.255 access-list 1 permit any What happens when you apply this ACL on the MPLS-EBGP connection to BHK?()

    • A、It blocks all routes.
    • B、It blocks the routes 200.0.12.0/24, 200.0.10.0/24 only.
    • C、It blocks the routes 200.0.12.0/24, 200.0.13.0/24 only.
    • D、It blocks the routes 200.0.10.0/24, 200.0.13.0/24 only.
    • E、Nothing happens, no routes are blocked.

    正确答案:B

  • 第19题:

    A BGP router is configured with bgp dampening 8 300 1500 20 route-map 1 .What does the value of 20 represent?()

    • A、reuse
    • B、suppress
    • C、half-life
    • D、max-suppress-time

    正确答案:D

  • 第20题:

    What is the default export routing policy for EBGP?()

    • A、Accept all active BGP routes
    • B、Accept all BGP routes
    • C、Accept no routes
    • D、Accept all active IGP routes

    正确答案:A

  • 第21题:

    单选题
    You wish to limit telnet access into your Cisco router to only a single host. In order to accomplish this, access list 1 has been written to allow host 172.16.1.224 access to the router vty lines. What command would assign this access- list to the Virtual Terminal Lines?()
    A

    router(config-line)# ip access-group 1 in

    B

    router(config-line)# access-class 1 in

    C

    router(config-line)# ip access-list 1 in

    D

    router(config-line)# access-line 1 in


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    实现包过滤的核心技术是()
    A

    地址前缀列表(Prefix-list)

    B

    访问控制列表(Access-list)

    C

    团体属性列表(Community-list)

    D

    路由映射表(Route-map)


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    An ERX Edge Router is operating in an MPLS network using interface label space.What is used to make a forwarding decision?()
    A

    EXP bits

    B

    VPI / VCI

    C

    shim header

    D

    SNAP header


    正确答案: C
    解析: 暂无解析