An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show is interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level（s） is enabled on these interfaces？（）A、Level 1 onlyB、Leve

题目

An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show is interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level（s） is enabled on these interfaces？（）

  • A、Level 1 only
  • B、Level 2 only
  • C、Level 1 and Level 2
  • D、Level 3 only
相似考题

1.An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）A. Level 1 onlyB. Level 2 onlyC. Level 1 and Level 2D. Level 3 only

2.You would like to operate IS－IS on interface atm 6／0.33 with an IP address of 192.168.1.1／24.Which set of commands accomplishes this?()A. router isis network 192.168.1.0 0.0.0.255B. router isis network 192.168.1.0 255.255.255.0C. interface atm 6/0.33 ip address 192.168.1.1 255.255.255.0 router isisD. interface atm 6/0.33 ip address 192.168.1.1 255.255.255.0 ip router isis

3.ATT （Attached ）bit needs to be set in the link state PDUs in an IS-IS level-1-2 router to indicate that theyare a potential exit point out of the area.（）A、TrueB、False

4.What are three TLVs that support IS－IS extensions for traffic engineering?()A. Extended IS reachabilityB. Extended IP reachabilityC. Traffic engineering opaqueD. Traffic engineering router IDE. Extended MPLS reachability

更多“An IS-IS router̳”相关问题

  • 第1题：

    Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router?（）

    • A、15
    • B、18
    • C、150
    • D、165

    正确答案:B,D

  • 第2题：

    Which three components are part of the Network Entity Title (NET) on an IS-IS router?（）

    • A、AFI
    • B、MAC
    • C、area
    • D、N-Selector
    • E、IP address

    正确答案:A,C,D

  • 第3题：

    路由器使用Router-ID生成IS-IS进程NET地址的益处有（）。

    • A、Router-ID和NET中的Stem-ID默认就是绑定的，便于维护
    • B、NET由Router-ID生成，便于记忆
    • C、使用全网唯一的Router-ID能够保证全网路由器IS-IS进程NET的唯一性
    • D、若发生设备替换，Router-ID和Stem-ID都可以灵活修改

    正确答案:B,C,D

  • 第4题：

    You would like to operate IS-IS on interface atm 6/0.33 with an IP address of 192.168.1.1/24. Which set of commands accomplishes this?（）

    • A、router isis network 192.168.1.0 0.0.0.255
    • B、router isis network 192.168.1.0 255.255.255.0
    • C、interface atm 6/0.33 ip address 192.168.1.1 255.255.255.0 router isis
    • D、interface atm 6/0.33 ip address 192.168.1.1 255.255.255.0 ip router isis

    正确答案:D

  • 第5题：

    Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）

    • A、the router with the lowest priority
    • B、the router with the highest priority
    • C、the router with the highest System ID
    • D、the router with the highest IP address

    正确答案:B

  • 第6题：

    单选题
    In IS-IS, how long will the restart helper keep the restarting router in the up state?（）
    A

    until the hello dead timer expires

    B

    until the restart duration timer expires

    C

    until the restarting router sets the down bit

    D

    until the restart helper sends out three CSNPs


    正确答案： B
    解析： 暂无解析

  • 第7题：

    单选题
    In IS-IS， how long will the restart helper keep the restarting router in the up state？（）
    A

    The hello dead timer expires.

    B

    The restart duration timer expires.

    C

    The restarting router sets the down bit.

    D

    The restart helper sends out three CSNPs.


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）
    A

    Level 1 only

    B

    Level 2 only

    C

    Level 1 and Level 2

    D

    Level 3 only


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    Within IS-IS, the restart helper performs which task?（）
    A

    It sends CSNPs to the restarting router.

    B

    It periodically sends TLV 211 to the restarting router.

    C

    It informs other routers in the domain that a router has restarted.

    D

    It tears down adjacency and sends its entire database after 30 seconds.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    多选题
    Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router?（）
    A

    15

    B

    18

    C

    150

    D

    165


    正确答案： D,C
    解析： 暂无解析

  • 第11题：

    多选题
    Which four components make up the Network Entity Title （NET） of an IS-IS router？（）
    A

    AF

    B

    AFI

    C

    MAC

    D

    Area

    E

    SysID

    F

    A-Selector

    G

    N-Selector

    H

    IP-address


    正确答案： D,C
    解析： 暂无解析

  • 第12题：

    多选题
    What are three TLVs that support IS-IS extensions for traffic engineering?（）
    A

    Extended IS reachability

    B

    Extended IP reachability

    C

    Traffic engineering opaque

    D

    Traffic engineering router ID

    E

    Extended MPLS reachability


    正确答案： E,D
    解析： 暂无解析

  • 第13题：

    You have a Level 1-only router （Router A） in IS-IS area 49.0001. How does Router A learn how to get to IP prefixed in other areas？（）

    • A、Router A must have a Level 2 adjacency with the Level 1/Level 2 router in area 49.0001.
    • B、The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 2 LSP it floods into area 49.0001.
    • C、The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 1 link-state PDU （LSP） it floods into area 49.0001.
    • D、The Level 1/Level 2 router in area 49.0001 advertises these prefixed into area 49.0001 using a Level 2 LSP it floods into the area.

    正确答案:C

  • 第14题：

    Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router？（）

    • A、10
    • B、15
    • C、18
    • D、150
    • E、160
    • F、165

    正确答案:C,F

  • 第15题：

    By default, an L1/L2 IS-IS router advertises what remote area routes into a Level 1 area?（）

    • A、only summarized routes
    • B、all routes in the network
    • C、all routes in the backbone
    • D、No routes are advertised.

    正确答案:D

  • 第16题：

    Within IS-IS, the restart helper performs which task?（）

    • A、It sends CSNPs to the restarting router.
    • B、It periodically sends TLV 211 to the restarting router.
    • C、It informs other routers in the domain that a router has restarted.
    • D、It tears down adjacency and sends its entire database after 30 seconds.

    正确答案:A

  • 第17题：

    In IS-IS， how long will the restart helper keep the restarting router in the up state？（）

    • A、The hello dead timer expires.
    • B、The restart duration timer expires.
    • C、The restarting router sets the down bit.
    • D、The restart helper sends out three CSNPs.

    正确答案:B

  • 第18题：

    单选题
    Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）
    A

    the router with the lowest priority

    B

    the router with the highest priority

    C

    the router with the highest System ID

    D

    the router with the highest IP address


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    In the IS-IS Designated Intermediate System （DIS） election process， which criteria is used for DIS selection？（）
    A

    highest router ID first， then highest priority

    B

    highest MAC address first， then highest priority

    C

    highest router ID first， then highest MAC address

    D

    highest priority first， then highest router ID

    E

    highest priority first， then highest MAC address


    正确答案： D
    解析： 暂无解析

  • 第20题：

    多选题
    Which three components are part of the Network Entity Title (NET) on an IS-IS router?（）
    A

    AFI

    B

    MAC

    C

    area

    D

    N-Selector

    E

    IP address


    正确答案： C,B
    解析： 暂无解析

  • 第21题：

    单选题
    Which IS-IS authentication method is supported on the ERX Edge Router?（）
    A

    simple password

    B

    HMAC message digest 5

    C

    Password Authentication Protocol

    D

    Challenge Handshake Authentication Protocol


    正确答案： B
    解析： 暂无解析

  • 第22题：

    多选题
    Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router？（）
    A

    10

    B

    15

    C

    18

    D

    150

    E

    160

    F

    165


    正确答案： F,C
    解析： 暂无解析

  • 第23题：

    单选题
    An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show is interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level（s） is enabled on these interfaces？（）
    A

    Level 1 only

    B

    Level 2 only

    C

    Level 1 and Level 2

    D

    Level 3 only


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is: Router A: 10.1.1.1/24 Router B: 10.1.1.2/24 Router C: 10.2.2.1/26 Which statement is true about all the adjacencies that exist on that LAN?（）
    A

    No routers are adjacent with each other.

    B

    Only Router A and Router B are adjacent at Level 1.

    C

    Only Router A and Router B are adjacent at Level 2.

    D

    All three routers are adjacent with each other at Level 1.


    正确答案： B
    解析： 暂无解析

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