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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 OS

题目

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.
相似考题

1.OSPF is a link-state routing protocol。It is designed to be run internal to a single __（71__system。Each OSPF router maintains an identical __（72）__ describing the autonomous system’s topology。From this database，a routing table is calculated by constructing a shortest-path __（73）__。OSPF recalculates routes quickly in the face of topological changes，utilizing a minimum of routing __（74）__ traffic。OSPF provides support for equal-cost multipath。An area routing capability is provided，enabling an additional level of routing protection and a reduction in routing protocol __（75）__。A.autonomousB.networkC.computerD.server

2.OSPF is a link-state routing protocol。It is designed to be run internal to a single __（71）__system。Each OSPF router maintains an identical __（72）__ describing the autonomous system’s topology。From this database，a routing table is calculated by constructing a shortest-path __（73）__。OSPF recalculates routes quickly in the face of topological changes，utilizing a minimum of routing __（74）__ traffic。OSPF provides support for equal-cost multipath。An area routing capability is provided，enabling an additional level of routing protection and a reduction in routing protocol__（75）__。71A.autonomousB.networkC.computerD.server

3.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.

4.What is the default import routing for OSPF?()A. Accept all OSPF routes and install them into the 3 routing tableB. Accept all OSPF routes and install them into the inet7.0 routing tableC. Accept all OSPF routes and install them into the inet4.0 routing tableD. Accept all OSPF routes and install them into the inet.0 routing table

更多“OSPF routing uses the concept of”相关问题

  • 第1题：

    Half of your network uses RIPv2 and the other half runs OSPF. The networks do not communicate with each other. Which two of these factors describe the impact of activating EIGRP over each separate part？ （）

    • A、EIGRP will not be accepted when configured on the actual RIPv2 routers.
    • B、OSPF will no longer be used in the routing table， because you only have EIGRP internal routes running.
    • C、OSPF will no longer be used in the routing table， because you only have EIGRP external routes running.
    • D、RIPv2 will populate its RIP database but not its routing table， because you only have EIGRP external routes running.
    • E、RIPv2 will populate its RIP database but not its routing table， because you only have EIGRP internal routes running.
    • F、OSPF database will have RIPv2 routes.

    正确答案:B,E

  • 第2题：

    Which statement about OSPF authentication is true？（）

    • A、To enable OSPF authentication in a network， OSPF area 0 authentications must be enabled first
    • B、The payload of OSPF version 3 packets contains no authentication information
    • C、OSPF version 3 supports Advanced Encryption Standard
    • D、OSPF version 3 uses router ID as a key to encrypt OSPF hello packets
    • E、OSPF MD5 authentication uses TCP， and Plan Test authentication uses UDP

    正确答案:B

  • 第3题：

    What is the default import routing policy for OSPF?（）

    • A、Accept all OSPF routes and install them into the inet.3 routing table.
    • B、Accept all OSPF routes and install them into the inet7.0 routing table.
    • C、Accept all OSPF routes and install them into the inet4.0 routing table.
    • D、Accept all OSPF routes and install them into the inet.0 routing table.

    正确答案:D

  • 第4题：

    Which statement is true, as relates to classful or classless routing?（）

    • A、Automatic summarization at classful boundries can cause problems on discontinuous subnets
    • B、EIGRP and OSPF are classful routing protocols and summarize routes by default
    • C、RIPv1 and OSPF are classless routing protocols
    • D、Classful routing protocols send the subnet mask in routing updates

    正确答案:A

  • 第5题：

    Which statement is true, as relates to classful or classless routing?（）

    • A、RIPV1 and OSPF are classless routing protocols.
    • B、Classful routing protocols send the subnet mask in routing updates.
    • C、Automatic summarization at classful boundaries can cause problems on disc……
    • D、EIGRP and OSPF are classful routing protocols and summarize routes by def……

    正确答案:C

  • 第6题：

    A co-worker is developing an implementation plan for a design that uses OSPF 2 and RIPv2 routing domains, with two routers redistributing between the two domains.The co- worker asks your help in choosing how to prevent domain loops by setting administrative distance. Assuming all other related settings use defaults, which of the following would solve the domain loop problem?（）

    • A、The distance ospf intra - area 80 inter - area 80 OSPF subcommand
    • B、T he distance ospf external 80 OSPF subcommand
    • C、The distance ospf intra - area 180 inter - area 180 OSPF subcommand
    • D、The distance ospf external 180 OSPF subcommand

    正确答案:D

  • 第7题：

    单选题
    A co-worker is developing an implementation plan for a design that uses OSPF 2 and RIPv2 routing domains, with two routers redistributing between the two domains.The co- worker asks your help in choosing how to prevent domain loops by setting administrative distance. Assuming all other related settings use defaults, which of the following would solve the domain loop problem?（）
    A

    The distance ospf intra - area 80 inter - area 80 OSPF subcommand

    B

    T he distance ospf external 80 OSPF subcommand

    C

    The distance ospf intra - area 180 inter - area 180 OSPF subcommand

    D

    The distance ospf external 180 OSPF subcommand


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    When attempting to view the OSPF routes in the routing table, you issue the command show route table inet.3 but no OSPF routes are displayed. What is the problem?（）
    A

    The OSPF routes are located in the inet4.0 routing table.

    B

    The OSPF routes are located in the inet.0 routing table.

    C

    The OSPF routes are located in the inet.2 routing table.

    D

    The OSPF routes are located in the inet4.3 routing table.


    正确答案： C
    解析： 暂无解析

  • 第9题：

    多选题
    What are three characteristics of the OSPF routing protocol?（）
    A

    It converges quickly.

    B

    OSPF is a classful routing protocol.

    C

    It uses cost to determine the best route.

    D

    It uses the DUAL algorithm to determine the best route.

    E

    OSPF routers send the complete routing table to all directly attached routers.

    F

    OSPF routers discover neighbors before exchanging routing information.


    正确答案： E,A
    解析： 暂无解析

  • 第10题：

    单选题
    What is the default import routing for OSPF?（）
    A

    Accept all OSPF routes and install them into the 3 routing table

    B

    Accept all OSPF routes and install them into the inet7.0 routing table

    C

    Accept all OSPF routes and install them into the inet4.0 routing table

    D

    Accept all OSPF routes and install them into the inet.0 routing table


    正确答案： D
    解析： 暂无解析

  • 第11题：

    多选题
    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： C,E
    解析： 暂无解析

  • 第12题：

    Which of the following data structures exist on a router for the OSPF routing protocol？（）

    • A、OSPF topology table
    • B、OSPF interface table
    • C、OSPF routing information base
    • D、OSPF link-state database
    • E、OSPF adjacency table
    • F、OSPF neighbor table

    正确答案:B,C,D,F

  • 第13题：

    When attempting to view the OSPF routes in the routing table, you issue the command show route table inet.3 but no OSPF routes are displayed. What is the problem?（）

    • A、The OSPF routes are located in the inet4.0 routing table.
    • B、The OSPF routes are located in the inet.0 routing table.
    • C、The OSPF routes are located in the inet.2 routing table.
    • D、The OSPF routes are located in the inet4.3 routing table.

    正确答案:B

  • 第14题：

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

    • A、It converges quickly.
    • B、OSPF is a classful routing protocol.
    • C、It uses cost to determine the best route.
    • D、It uses the DUAL algorithm to determine the best route.
    • E、OSPF routers send the complete routing table to all directly attached routers.
    • F、OSPF routers discover neighbors before exchanging routing information.

    正确答案:A,C,F

  • 第15题：

    Which three factors have the biggest influence on OSPF scalability？（）

    • A、Flooding paths and redundancy
    • B、Amount of routing information in the OSPF area or routing domain
    • C、Number of routers with Cisco Express Forwarding enabled
    • D、Number of neighbor adjacencies
    • E、Other routing protocols in use
    • F、OSPF timer reconstruction negotiation
    • G、Redistribution with BGP neighbors
    • H、Redistribution with other IGP routing protocols， such as RIP or EIGRP

    正确答案:A,B,D

  • 第16题：

    Which two statements about OSPF IPv6 routing are true？（）

    • A、It requires OSPF version 3.
    • B、automatically detects neighbors over NHMA interfaces
    • C、It supports encryption using
    • D、It uses LSA type 9
    • E、It uses LSA type 8

    正确答案:A,E

  • 第17题：

    When attepting to view the OSPF routes in the routing table, you issue the command show route table inet but no OSPF routes are displayed. What is the problem?（）

    • A、The OSPF routes are located in the inet 4 routing table
    • B、THe OSPF routes are located in the inet 0 routing table
    • C、The OSPF routes are located in the inet 2 routing table
    • D、The OSPF routes are located in the inet 4.3 routing table

    正确答案:B

  • 第18题：

    单选题
    When attepting to view the OSPF routes in the routing table, you issue the command show route table inet but no OSPF routes are displayed. What is the problem?（）
    A

    The OSPF routes are located in the inet 4 routing table

    B

    THe OSPF routes are located in the inet 0 routing table

    C

    The OSPF routes are located in the inet 2 routing table

    D

    The OSPF routes are located in the inet 4.3 routing table


    正确答案： D
    解析： 暂无解析

  • 第19题：

    单选题
    Which security mechanism uses the concept of a realm？（）
    A

    Authorization

    B

    Data integrity

    C

    Confidentiality

    D

    Authentication


    正确答案： B
    解析： 暂无解析

  • 第20题：

    多选题
    Which two statements about OSPF IPv6 routing are true？（）
    A

    It requires OSPF version 3.

    B

    automatically detects neighbors over NHMA interfaces

    C

    It supports encryption using

    D

    It uses LSA type 9

    E

    It uses LSA type 8


    正确答案： D,B
    解析： 暂无解析

  • 第21题：

    单选题
    Which statement about OSPF authentication is true？（）
    A

    To enable OSPF authentication in a network， OSPF area 0 authentications must be enabled first

    B

    The payload of OSPF version 3 packets contains no authentication information

    C

    OSPF version 3 supports Advanced Encryption Standard

    D

    OSPF version 3 uses router ID as a key to encrypt OSPF hello packets

    E

    OSPF MD5 authentication uses TCP， and Plan Test authentication uses UDP


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Which information will the Cisco IOS command show ip ospf rib display？（）
    A

    only the local OSPF routes

    B

    only the OSPF routes installed in the routing table

    C

    only the remotely learned OSPF routes

    D

    all the OSPF routes from the OSPF database that are eligible to be put in the routing table


    正确答案： B
    解析： 暂无解析

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