Why do large OSPF networks use a hierarchical design?()A、to confine network instability to single areas of the network.B、to reduce the complexity of router configuration.C、to speed up convergence.D、to lower costs by replacing routers with distribution lay

题目

Why do large OSPF networks use a hierarchical design?()

  • A、to confine network instability to single areas of the network.
  • B、to reduce the complexity of router configuration.
  • C、to speed up convergence.
  • D、to lower costs by replacing routers with distribution layer switches.
  • E、to decrease latency by increasing bandwidth.
  • F、to reduce routing overhead.

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更多“Why do large OSPF networks use a hierarchical design?()A、to confine network instability to single areas of the network.B、to reduce the complexity of router configuration.C、to speed up convergence.D、to lower costs by replacing routers with distribution lay”相关问题
  • 第1题:

    You try to add a new router into the established Testking OSPF network. The networks attached to the new router do not appear in the routing tables of the other OSPF routers.The new router was configured for OSPF in the following way:Router(config) router ospf 99Router(config-if) network 10.0.0.0 255.0.0.0 area 0Based on this information, what is the most likely problem?()

    A. The process id is configured improperly.

    B. The OSPF area is configured improperly.

    C. The network wildcard mask is configured improperly.

    D. The network number is configured improperly.

    E. The AS is configured improperly.

    F. The network subnet mask is configured improperly.

    G. All of the above are likely problems.


    参考答案:C

  • 第2题:

    Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.()

    A. All OSPF networks require the use of multiple areas

    B. Multiple OSPF areas must connect to area 0

    C. Single area OSPF networks must be configured in area 1

    D. Areas can be assigned any number from 0 to 63535

    E. Area 0 is called the backbone area

    F. Each OSPF area need to be configured with a loopback interface


    参考答案:B, E

  • 第3题:

    Why do large OSPF networks use a hierarchical design?()

    A.to confine network instability to single areas of the network.

    B.to reduce the complexity of router configuration

    C.to speed up convergence

    D.to lower costs by replacing routers with distribution layer switches

    E.to decrease latency by increasing bandwidth

    F.to reduce routing overhead


    参考答案:A, C, F

  • 第4题:

    What are some of the characteristics of the OSPF routing protocol?()

    • A、It confines network instability to a single area of network.
    • B、It increases the routing overhead of the network
    • C、It supports VLSM
    • D、It routes between Autonomous Systems.
    • E、It allows extensive control of routing updates
    • F、None of the above

    正确答案:A,C,E

  • 第5题:

    When an OSPF design is planned, which implementation can help a router not have memory resource issues?()

    • A、Have a backbone area (area 0) with 40 routers and use default routes to reach external destinations
    • B、Have a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPF
    • C、Have less OSPF areas to reduce the need for interarea route summarizations
    • D、Have multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2

    正确答案:A

  • 第6题:

    Why do large OSPF networks use a hierarchical design?()

    • A、to confine network instability to single areas of the network
    • B、to reduce the complexity of router configuration
    • C、to speed up convergence
    • D、to lower costs by replacing routers with distribution layer switches
    • E、to decrease latency by increasing bandwidth
    • F、to reduce routing overhead

    正确答案:A,C,F

  • 第7题:

    Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? ()

    • A、 Never use passive interfaces.
    • B、 Use NSSA areas from the core down.
    • C、 Use totally stub areas to stop type 3 LSAs.
    • D、 Use the lowest Ethernet interface IP address as the router ID.
    • E、 Tune OSPF timers to enable OSPF to achieve quicker convergence

    正确答案:B,E

  • 第8题:

    When is it necessary to use a public IP address on a routing interface?()

    • A、Connect a router on a local network.
    • B、Connect a router to another router.
    • C、Allow distribution of routes between networks.
    • D、Translate a private IP address.
    • E、Connect a network to the Internet.

    正确答案:E

  • 第9题:

    A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem? ()Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0

    • A、The process id is configured improperly
    • B、The OSPF area is configured improperly
    • C、The network wildcard mask is configured improperly
    • D、The network number is configured improperly
    • E、The AS is configured improperly
    • F、The network subnet mask is configuerd improperly

    正确答案:C

  • 第10题:

    多选题
    Why do large OSPF networks use a hierarchical design?()
    A

    to confine network instability to single areas of the network

    B

    to reduce the complexity of router configuration

    C

    to speed up convergence

    D

    to lower costs by replacing router swith distribution layer switches

    E

    to decrease latency by increasing bandwidth

    F

    to reduce routing overhead


    正确答案: E,D
    解析: 暂无解析

  • 第11题:

    单选题
    When is it necessary to use a public IP address on a routing interface?()
    A

    Connect a router on a local network.

    B

    Connect a router to another router.

    C

    Allow distribution of routes between networks.

    D

    Translate a private IP address.

    E

    Connect a network to the Internet.


    正确答案: E
    解析: 暂无解析

  • 第12题:

    多选题
    Why do large OSPF networks use a hierarchical design?()
    A

    to confine network instability to single areas of the network

    B

    to reduce the complexity of router configuration

    C

    to speed up convergence

    D

    to lower costs by replacing routers with distribution layer switches

    E

    to decrease latency by increasing bandwidth

    F

    to reduce routing overhead


    正确答案: B,C
    解析: 暂无解析

  • 第13题:

    On your OSPF network, routers TK1 and TK2 belong to the same Ethernet network. However, they are unable to establish an adjacency over this link. While troubleshooting this problem, you issue the "show ip ospf interface Ethernet 0"command on each router. The output from these commands is displayed below:What is the underlying cause of the routers failing to become adjacent?()

    A. The OSPF area is misconfigured.

    B. The priority on TK2 should be set lower.

    C. The cost on TK2 should be set lower.

    D. The hello and dead timers are misconfigured.

    E. You need to add a backup designated router to the network.

    F. The OSPF process ID numbers do not match.


    参考答案:D

  • 第14题:

    A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem?()Router(config)router ospf 1Router(config-router)network 10.0.0.0 255.0.0.0 area 0

    A. The process id is configured improperly

    B. The OSPF area is configured improperly

    C. The network wildcard mask is configured improperly

    D. The network number is configured improperly

    E. The AS is configured improperly

    F. The network subnet mask is configuerd improperly


    参考答案:C

  • 第15题:

    OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?()

    A. Each OSPF area requires a loopback interface to be configured.

    B. Areas may be assigned any number from 0 to 65535.

    C. Area 0 is called the backbone area.

    D. Hierarchical OSPF networks do not require multiple areas.

    E. Multiple OSPF areas must connect to area 0.

    F. Single area OSPF networks must be configured in area 1.


    参考答案:B, C, E

  • 第16题:

    Why do large OSPF networks use a hierarchical design?()

    • A、to confine network instability to single areas of the network
    • B、to reduce the complexity of router configuration
    • C、to speed up convergence
    • D、to lower costs by replacing router swith distribution layer switches
    • E、to decrease latency by increasing bandwidth
    • F、to reduce routing overhead

    正确答案:A,C,F

  • 第17题:

    OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?()

    • A、Each OSPF area requires a loopback interface to be configured. 
    • B、Areas may be assigned any number from 0 to 65535.
    • C、Area 0 is called the backbone area.
    • D、Hierarchical OSPF networks do not require multiple areas.
    • E、Multiple OSPF areas must connect to area 0.
    • F、Single area OSPF networks must be configured in area 1.

    正确答案:B,C,E

  • 第18题:

    What are two benefits of using a single OSPF area network design?()

    • A、it reduces the number of required OSPF neighbor adjacencies
    • B、It reduces the types of LSAs that are generated
    • C、It is less CPU intensive for routers in the single area
    • D、It increases LSA response times.
    • E、It removes the need for virtual links

    正确答案:B,E

  • 第19题:

    Which of the following are characteristics of OSPF areas?()

    • A、Hierarchical OSPF networks need to be in one area
    • B、Multiple OSPF areas must connect to area 0
    • C、Single area OSPF networks must be configured in area 1
    • D、Areas can be assigned any number from 0 to 63535
    • E、Area 0 is called the backbone area
    • F、Each OSPF area need to be configured with a loopback interface

    正确答案:B,E

  • 第20题:

    Which two are NOT characteristics of the OSPF routing protocol?()

    • A、It confines network instability to a single area of network.
    • B、It increases the routing overhead of the network
    • C、It supports VLSM
    • D、It routes between Autonomous Systems.
    • E、It allows extensive control of routing updates

    正确答案:B,D

  • 第21题:

    Why do large OSPF networks use a hierarchical design?()

    • A、to confine network instability to single areas of the network.
    • B、to reduce the complexity of router configuration
    • C、to speed up convergence
    • D、to lower costs by replacing routers with distribution layer switches
    • E、to decrease latency by increasing bandwidth
    • F、to reduce routing overhead

    正确答案:A,C,F

  • 第22题:

    多选题
    Why do large OSPF networks use a hierarchical design?()
    A

    to confine network instability to single areas of the network.

    B

    to reduce the complexity of router configuration.

    C

    to speed up convergence.

    D

    to lower costs by replacing routers with distribution layer switches.

    E

    to decrease latency by increasing bandwidth.

    F

    to reduce routing overhead.


    正确答案: E,D
    解析: 暂无解析

  • 第23题:

    多选题
    Why do large OSPF networks use a hierarchical design?()
    A

    to confine network instability to single areas of the network.

    B

    to reduce the complexity of router configuration

    C

    to speed up convergence

    D

    to lower costs by replacing routers with distribution layer switches

    E

    to decrease latency by increasing bandwidth

    F

    to reduce routing overhead


    正确答案: A,C,F
    解析: 暂无解析