单选题Routers A and B are connected with a point-to-point OC-3 interface. Each routers 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 0B 1

题目
单选题
Routers A and B are connected with a point-to-point OC-3 interface. Each routers 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

相似考题

1.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

2.Two Level 2 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?()A. An Adjacency is formed.B. No IS-IS PDUs are sent.C. An Adjacency does not form.D. An Adjacency forms but traffic is not forwarded.

3.Routers A and B are connected with a point-to-point OC-3 interface. Each routers 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.0B.1C.2D.3

4.Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?()A. An Adjacency is formed.B. No IS-IS PDUs are sentC. An Adjacency does not form.D. An Adjacency forms but traffic is not forwarded.

更多“单选题Routers A and B are connected with a point-to-point OC-3 interface. Each routers 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 0B 1”相关问题

  • 第1题：

    Which two statements are correct regarding IS－IS?()

    A. Routers maintain a single link-state database per area.

    B. Routers maintain a separate Level 1 link-state database.

    C. Routers maintain a separate Level 2 link-state database.

    D. Routers maintain a single Level 1 link-state database across multiple areas.


    参考答案：B, C

  • 第2题：

    The relevant configuration files for the TestKing1 and TestKing2 routers are displayed below:With due consideration to the command outputs, which of the following reasons would you attribute the connectivity problem between the two routers?（）

    A. The authentication needs to be changed to PAP for both routers.

    B. The serial IP addresses of routers are not on the same subnet.

    C. The username/password combination is incorrectly configured.

    D. The router names are incorrectly configured.


    参考答案：C

  • 第3题：

    How do routers in an IS-IS Level-1 domain exit to reach other Level-1 （L1） domains？（）

    • A、Level-1（L1） routers use default routes announced by Level-2（L2） routers in Level-1（L1） domain
    • B、Level-1 routers use default routes installed based on ATT bit （Attach Bit） in announcements from Level-1-2（L1/L2） router
    • C、Level-1 routers use specific routes， for other Level-1 domain， announced by Level-1-2（L1/L2） by route-leaking feature of Cisco IOS
    • D、Level-1 routers use specific routes， for other Level-1 domain， announced by Level-2（L2） by route-leaking feature of Cisco IOS

    正确答案:B,C

  • 第4题：

    The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?（）

    • A、Authentication needs to be changed to PAP for both routers.
    • B、Serial IP addresses of routers are not on the same subnet.
    • C、Username/password is incorrectly configured.
    • D、Router names are incorrectly configured.

    正确答案:C

  • 第5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6题：

    Which two statements are correct regarding IS-IS？（）

    • A、Routers maintain a single link-state database per area.
    • B、Routers maintain a separate Level 1 link-state database.
    • C、Routers maintain a separate Level 2 link-state database.
    • D、Routers maintain a single Level 1 link-state database per area.

    正确答案:B,C

  • 第7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

  • 第8题：

    Which two statements are true by default of a multilevel IS-IS network?（）

    • A、Level 1 only routers see routes contained in their area.
    • B、Level 1 routers route towards Level 2 routers due to the attached bit.
    • C、Level 2 routers route towards Level 1 routers due to the attached bit.
    • D、Level 2 routers can see routes in other Level 2 areas and routes originated in Level 1 areas.

    正确答案:A,D

  • 第9题：

    单选题
    Two Level 2 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）
    A

    An Adjacency is formed.

    B

    No IS-IS PDUs are sent.

    C

    An Adjacency does not form.

    D

    An Adjacency forms but traffic is not forwarded.


    正确答案： B
    解析： 暂无解析

  • 第10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11题：

    多选题
    Which two statements are true by default of a multilevel IS-IS network?（）
    A

    Level 1 only routers see routes contained in their area.

    B

    Level 1 routers route towards Level 2 routers due to the attached bit.

    C

    Level 2 routers route towards Level 1 routers due to the attached bit.

    D

    Level 2 routers can see routes in other Level 2 areas and routes originated in Level 1 areas.


    正确答案： A,C
    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 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13题：

    Which two statements about the IS －IS routing protocol are true?()

    A. IS - IS is capable of supporting IPv4 and IPv6.

    B. IS - IS is only capable of supporting IPv4 and CLNS.

    C. IS - IS routers use ES - IS hellos (ESH) to establish and to maintain neighbor relationships.

    D. IS - IS routers run the Bellman - Ford algorithm against their LSDBs to pick the best paths.

    E. Level 1 routers learn about paths within the area of which they are a part.

    F. Level 2 routers learn about paths both within areas and between areas.


    参考答案：A, E

  • 第14题：

    The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?()

    A.Authentication needs to be changed to PAP for both routers.

    B.Serial IP addresses of routers are not on the same subnet.

    C.Username/password is incorrectly configured.

    D.Router names are incorrectly configured.


    参考答案：C

  • 第15题：

    Routers R1 and R2 use HSRP so that one router will back up the other should there be a failure.   Which two statements are true about the Hot Standby Router Protocol （HSRP）？ （）

    • A、 Load sharing with HSRP is achieved by creating multiple subinterfaces on the HSRP routers.  
    • B、 Routers configured for HSRP can belong to multiple groups and multiple VLANs.
    • C、 Load sharing with HSRP is achieved by creating HSRP groups on the HSRP routers.
    • D、 All routers configured for HSRP load balancing must be configured with the same priority.  
    • E、 Routers configured for HSRP must belong to only one group per HSRP interface.

    正确答案:B,C

  • 第16题：

    Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）

    • A、An Adjacency is formed.
    • B、No IS-IS PDUs are sent
    • C、An Adjacency does not form.
    • D、An Adjacency forms but traffic is not forwarded.

    正确答案:C

  • 第17题：

    Routers A and B are connected with a point-to-point OC-3 interface. Each routers 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

  • 第18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19题：

    Two Level 2 routers are exchanging Hello packets with different Area IDs. What occurs between these routers?（）

    • A、An Adjacency forms.
    • B、An Adjacency does not form.
    • C、An Adjacency forms but traffic is not forwarded.
    • D、No IS-IS PDUs are sent.

    正确答案:A

  • 第20题：

    单选题
    Routers A and B are connected with a point-to-point OC-3 interface. Each routers 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： C
    解析： 暂无解析

  • 第21题：

    单选题
    You enabled CDP on two Cisco Routers which are connected to each other. The Line and Protocol statusfor the interfaces on both routers show as UP but the routers do not see each other a CDP neighbors.Which layer of the OSI model does the problem most likely exist？（）
    A

    Physical

    B

    Session

    C

    Application

    D

    Data-Link

    E

    Network


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）
    A

    An Adjacency is formed.

    B

    No IS-IS PDUs are sent

    C

    An Adjacency does not form.

    D

    An Adjacency forms but traffic is not forwarded.


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?（）
    A

    Authentication needs to be changed to PAP for both routers.

    B

    Serial IP addresses of routers are not on the same subnet.

    C

    Username/password is incorrectly configured.

    D

    Router names are incorrectly configured.


    正确答案： B
    解析： 暂无解析

  • 第24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

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