单选题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 prefixes 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

题目
单选题
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 prefixes 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 1 link-state PDU (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 2 LSP it floods into area 49.0001.

D

The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.

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.Routers A and B are connected with a point-to-point OC-3 interface. Each router‘s OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area.How many IS-IS adjacencies exist between the two routers?（）A.0B.1C.2D.3

3.Which two conditions, when met, allow an IS－IS Level 2 router to be considered attached?()A. You can reach other Level 2 routers.B. It can reach at least one other defined area.C. The router is reachable by at least two ES-IS nodes.D. It has at least one enabled reachable prefix with a valid metric defined.

4.You have a Level 1－only router (Router A) in IS－IS area 49.0001.How does Router A learn how to reach prefixes 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 prefixes into area 49.0001 using a Level 2 LSP it floods into the area.

参考答案和解析
正确答案： B
解析： 暂无解析
更多“单选题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 prefixes 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”相关问题

  • 第1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 prefixes 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 1 link-state PDU (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 2 LSP it floods into area 49.0001.

    D. The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.


    参考答案：B

  • 第2题：

    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、True
    • B、False

    正确答案:A

  • 第3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4题：

    Which IS - IS router is equivalent to an ABR in OSPF?（）

    • A、Level 2 - 3
    • B、Level 1 - 2
    • C、Level 2
    • D、Level 0
    • E、Level 3
    • F、Level 1

    正确答案:B

  • 第5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 prefixes 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 1 link-state PDU (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 2 LSP it floods into area 49.0001.
    • D、The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.

    正确答案:B

  • 第6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:C

  • 第7题：

    Which two conditions, when met, allow an IS-IS Level 2 router to be considered attached?（）

    • A、You can reach other Level 2 routers.
    • B、It can reach at least one other defined area.
    • C、The router is reachable by at least two ES-IS nodes.
    • D、It has at least one enabled reachable prefix with a valid metric defined.

    正确答案:B,D

  • 第8题：

    单选题
    You have a Level 1-only router (Router A) in IS-IS area 49.0001. How does Router A learn how to reach prefixes 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 prefixes into area 49.0001 using a Level 2 LSP it floods into the area.


    正确答案： C
    解析： 暂无解析

  • 第9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10题：

    多选题
    Which two conditions, when met, allow an IS-IS Level 2 router to be considered attached?（）
    A

    You can reach other Level 2 routers.

    B

    It can reach at least one other defined area.

    C

    The router is reachable by at least two ES-IS nodes.

    D

    It has at least one enabled reachable prefix with a valid metric defined.


    正确答案： A,D
    解析： 暂无解析

  • 第11题：

    单选题
    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 prefixes 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 1 link-state PDU (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 2 LSP it floods into area 49.0001.

    D

    The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    Routers A and B are connected with a point-to-point OC-3 interface. Each router’s OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas.How many IS-IS adjacencies exist between the two routers？（）
    A

    0

    B

    1

    C

    2

    D

    3


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Which IS － IS router is equivalent to an ABR in OSPF?()

    A. Level 2 - 3

    B. Level 1 - 2

    C. Level 2

    D. Level 0

    E. Level 3

    F. Level 1


    参考答案：B

  • 第14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:C

  • 第15题：

    Routers A and B are connected with a point-to-point OC-3 interface. Each router's OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area. How many IS-IS adjacencies exist between the two routers?（）

    • A、0
    • B、1
    • C、2
    • D、3

    正确答案:C

  • 第16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17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

  • 第18题：

    You have a Level 1-only router (Router A) in IS-IS area 49.0001. How does Router A learn how to reach prefixes 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 prefixes into area 49.0001 using a Level 2 LSP it floods into the area.

    正确答案:C

  • 第19题：

    单选题
    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

    True

    B

    False


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    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： A
    解析： 暂无解析

  • 第21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： A
    解析： 暂无解析

  • 第22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： C
    解析： 暂无解析

  • 第23题：

    单选题
    Routers A and B are connected with a point-to-point OC-3 interface. Each router's OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area. How many IS-IS adjacencies exist between the two routers?（）
    A

    0

    B

    1

    C

    2

    D

    3


    正确答案： C
    解析： 暂无解析

  • 第24题：

    单选题
    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
    解析： 暂无解析

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