多选题Which two statements are correct regarding IS-IS?（）ARouters maintain a single link-state database per area.BRouters maintain a separate Level 1 link-state database.CRouters maintain a separate Level 2 link-state database.DRouters maintain a single Leve

题目
多选题
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.

相似考题

1.In order to help the new employees to maintain a high level of motivation and build up confidence ，a well-planed program is necessary.()

2.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.

3.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.

4.What is the purpose of IS－IS level boundaries?()A. Restrain the formation of adjacencies.B. Control the flooding scope of link-state PDUs.C. Partition the L2 backbone into multiple domains.D. Aggregate L1 domains into a contiguous backbone.

更多“多选题Which two statements are correct regarding IS-IS?（）ARouters maintain a single link-state database per area.BRouters maintain a separate Level 1 link-state database.CRouters maintain a separate Level 2 link-state database.DRouters maintain a single Leve”相关问题

  • 第1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2题：

    What information does a router running a link－state protocol use to build and maintain its topological database?()

    A. hello packets

    B. SAP messages sent by other routers

    C. LSAs from other routers

    D. beacons received on point-to-point links

    E. routing tables received from other link-state routers

    F. TTL packets from designated routers


    参考答案：A, C

  • 第3题：

    Which two are characteristics of link-state routing protocols?（） (Choose two.)

    • A、Routers choose a best path for a destination based on the SPF algorithm.
    • B、All routers in a given area or level build a consistent database describing the network's topology.
    • C、Routers choose the best path for a destination based on the interface on which they received the link stateadvertisement with the lowest cost.
    • D、All routers in a given area or level forward link state advertisements between interfaces in the same area or level, adding their metric to the link state advertisement's cost information when they forward it.

    正确答案:A,B

  • 第4题：

    What kind of information does a router running a link-state routing protocol need to create and maintain its topological database?（）

    • A、LSAs from other routers
    • B、Beacons received on point-to-point links
    • C、hello packets
    • D、Routing tables received from neighbors
    • E、SAP packets sent by other routers
    • F、TTL packets from exclusive routers

    正确答案:A,C

  • 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：

    Which CLI command is used to see the current OSPF link-state database?（）

    • A、show ospf database
    • B、show ospf neighbor
    • C、show protocols ospf
    • D、show ospf link-state

    正确答案:A

  • 第7题：

    You executed the following FLASHBACK TABLE command： FLASHBACK TABLE emp TO TIMESTAMP （’11：45’，’hh12：mi’）; Which two statements are correct？（）

    • A、The FLASHBACK TABLE statement will not be written to the alert log file.
    • B、The changes made to the EMP table since the specified time will be undone.
    • C、The EMP table that was dropped by mistake from the database will be restored.
    • D、The FLASHBACK TABLE statement will be executed within a single transaction.
    • E、The FLASHBACK TABLE statement will not maintain the existing indexes on the EMP table. 
    • F、The list of transactions that have modified the EMP table since the specified time will be displayed.

    正确答案:B,D

  • 第8题：

    多选题
    Which two statements are correct regarding multicast implementation using a WLAN controller (v5.2) and AP?（）
    A

    Multicast traffic is sent out on Cisco APs at the highest mandatory data rate.

    B

    Multicast traffic is sent out on Cisco APs at the highest supported data rate.

    C

    On Cisco APs， multicast traffic and beacons are sent out at the same data rates to maintain a common  cell size for normal data as well as multicast data.

    D

    If there is more than one mandatory data rate， multicast traffic will be sent at the highest mandatory rate  and beacons will be sent at the lowest mandatory rate.

    E

    On Cisco APs， multicast traffic will be sent out at the highest data rate that a client can maintain with the  AP.


    正确答案： D,C
    解析： 暂无解析

  • 第9题：

    多选题
    You executed the following FLASHBACK TABLE command： FLASHBACK TABLE emp TO TIMESTAMP （’11：45’，’hh12：mi’）； Which two statements are correct？ （）
    A

    The FLASHBACK TABLE statement will not be written to the alert log file.

    B

    The EMP table that was dropped by mistake from the database will be restored.

    C

    The changes made to the EMP table since the specified time will be undone.

    D

    The FLASHBACK TABLE statement will not maintain the existing indexes on the EMP table.

    E

    The FLASHBACK TABLE statement will be executed within a single transaction.

    F

    The list of transactions that have modified the EMP table since the specified time will be displayed.


    正确答案： D,B
    解析： 暂无解析

  • 第10题：

    多选题
    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： C,B
    解析： 暂无解析

  • 第11题：

    多选题
    Which two statements are true regarding listeners（）
    A

    Listeners use only the TCP/IP protocol.

    B

    Multiple listener processes can run simultaneously on a host.

    C

    Multiple database instances can be registered with a single listener.

    D

    The listener-related errors can be traced only at the administrative level.

    E

    Only one database instance can be registered with a single listener at any time.


    正确答案： A,B
    解析： 暂无解析

  • 第12题：

    多选题
    You are working on an Oracle Database 10g database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true？ （）
    A

    Flashback logs are not archived.

    B

    Flashback logs are maintained in redo log files.

    C

    Flashback logs are maintained in the Flash Recovery Area.

    D

    Flashback logs are used to maintain Flashback Database related errors.

    E

    Flashback logs need to be cleared manually after you disable Flashback Database.


    正确答案： C,D
    解析： 暂无解析

  • 第13题：

    What kind of information does a router running a link－state routing protocol need to create and maintain its topological database?()

    A. LSAs from other routers

    B. Beacons received on point-to-point links

    C. hello packets

    D. Routing tables received from neighbors

    E. SAP packets sent by other routers

    F. TTL packets from exclusive routers


    参考答案：A, C

  • 第14题：

    You are working on an Oracle Database 10g database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true？ （）

    • A、 Flashback logs are not archived.
    • B、 Flashback logs are maintained in redo log files.
    • C、 Flashback logs are maintained in the Flash Recovery Area.
    • D、 Flashback logs are used to maintain Flashback Database related errors.
    • E、 Flashback logs need to be cleared manually after you disable Flashback Database.

    正确答案:A,C

  • 第15题：

    如果OSPF链路故障，哪个包广播网络的变化（）

    • A、Link-state advertisement
    • B、Database Description
    • C、Link-state request
    • D、Link-state update

    正确答案:D

  • 第16题：

    What information does a router running a link-state protocol use to build and maintain its topological database？ （）

    • A、 hello packets
    • B、 SAP messages sent by other routers 
    • C、 LSAs from other routers
    • D、 beacons received on point-to-point links
    • E、 routing tables received from other link-state routers
    • F、 TTL packets from designated routers

    正确答案:A,C

  • 第17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18题：

    What is the purpose of IS-IS level boundaries?（）

    • A、Restrain the formation of adjacencies.
    • B、Control the flooding scope of link-state PDUs.
    • C、Partition the L2 backbone into multiple domains.
    • D、Aggregate L1 domains into a contiguous backbone.

    正确答案:B

  • 第19题：

    Which two statements are true regarding listeners（）

    • A、Listeners use only the TCP/IP protocol.
    • B、Multiple listener processes can run simultaneously on a host.
    • C、Multiple database instances can be registered with a single listener.
    • D、The listener-related errors can be traced only at the administrative level.
    • E、Only one database instance can be registered with a single listener at any time.

    正确答案:B,C

  • 第20题：

    多选题
    What information does a router running a link-state protocol use to build and maintain its topological database? （）
    A

    hello packets

    B

    SAP messages sent by other routers

    C

    LSAs from other routers

    D

    beacons received on point-to-point links

    E

    routing tables received from other link-state routers

    F

    TTL packets from designated routers


    正确答案： C,E
    解析： 暂无解析

  • 第21题：

    多选题
    A company may use the Windows XP Professional MUI Pack because the company：（）
    A

    has offices where users who speak different languages share computers.

    B

    wants to maintain multiple operating systems.

    C

    has users who work remotely at home offices.

    D

    wants to deploy and maintain a single operating system standard.


    正确答案： D,B
    解析： 暂无解析

  • 第22题：

    多选题
    Which two are characteristics of link-state routing protocols?（） (Choose two.)
    A

    Routers choose a best path for a destination based on the SPF algorithm.

    B

    All routers in a given area or level build a consistent database describing the network's topology.

    C

    Routers choose the best path for a destination based on the interface on which they received the link stateadvertisement with the lowest cost.

    D

    All routers in a given area or level forward link state advertisements between interfaces in the same area or level, adding their metric to the link state advertisement's cost information when they forward it.


    正确答案： C,B
    解析： 暂无解析

  • 第23题：

    多选题
    What kind of information does a router running a link-state routing protocol need to create and maintain its topological database?（）
    A

    LSAs from other routers

    B

    Beacons received on point-to-point links

    C

    hello packets

    D

    Routing tables received from neighbors

    E

    SAP packets sent by other routers

    F

    TTL packets from exclusive routers


    正确答案： C,B
    解析： 暂无解析

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