Which one of the following answer choices below is true regarding the OSPF topology database?()A. All entries in the topology database will be included on each router.B. All routers in the same OSPF area will have one topology database.C. The Dijkstra alg

题目
Which one of the following answer choices below is true regarding the OSPF topology database?()

A. All entries in the topology database will be included on each router.

B. All routers in the same OSPF area will have one topology database.

C. The Dijkstra algorithm is used in the creation of the topology database.

D. LSA packets are used to update and maintain the topology database.

相似考题

1.Regarding the extended ping command; which of the statements below are true?(Select all valid answer choices)A．The extended ping command is supported from user EXEC mode.B．The extended ping command is available from privileged EXEC mode.C．With the extended ping command you can specify the TCP and UDP port to be pinged.D．With the extended ping command you can specify the timeout value.E．With the extended ping command you can specify the datagram size.

2.Which three of the protocols below belong to the application layer? (Select three answer choices)A. ARPB. HTTPSC. SMTPD. CDPE. TFTPF. ICMP

3.Examine the following RMAN command:Which two statements are true regarding the backup taken by using the above RMAN command?()A. Only data files and the control file are backed up.B. Archived redo logs are backed up only I f the database is open during the backup.C. The backup is deleted after one day, regardless of the default retention policy settings.D. The backup becomes obsolete after one day, regardless of the default retention policy settings.

4.Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)A. The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.B. The DHCP Discover message uses UDP as the transport layer protocol.C. The DHCP Discover message uses a special Layer 2 multicast address as the destination address.D. The DHCP Discover message uses TCP as the transport layer protocol.E. The DHCP Discover message does not use a Layer 2 destination address.F. The DHCP Discover message does not require a transport layer protocol.

参考答案和解析
参考答案：D
更多“Which one of the following answer choices below is true regarding the OSPF topology database?() ”相关问题

  • 第1题：

    Which show command will display only the Type 5 LSAs in the OSPF topology database?()

    A. show ip ospf database external

    B. show ip ospf database nssa - external

    C. show ip route ospf

    D. show ip ospf datab ase summary

    E. show ip route


    参考答案：A

  • 第2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3题：

    Examine the following excerpt from the show ip eigrp topology 10.2.2.0/24 command on router R1.Which answer can be verified as definitely true based on this output?（） External data: Originating router is 10.1.1.1 AS number of route is 1 External protocol is OSPF, external metric is 64 Administrator tag is 0 (0x00000000)

    • A、R1 is the router that redistributed the route
    • B、R1's metric to reach subnet 10.2.2.0/24 is 64
    • C、The route was redistributed on a router that has a router ospf 1 command configured
    • D、R1 is redistributing a route to prefix 1 0.2.2.0/24 into OSPF

    正确答案:C

  • 第4题：

    Which one of the following answer choices below is true regarding the OSPF topology database?（）

    • A、All entries in the topology database will be included on each router.
    • B、All routers in the same OSPF area will have one topology database.
    • C、The Dijkstra algorithm is used in the creation of the topology database.
    • D、LSA packets are used to update and maintain the topology database.

    正确答案:D

  • 第5题：

    For a router to successfully redistribute routes between OSPF and EIGRP, which of the following are true?（）

    • A、The router must have one routing protocol configured, but configuration for both routing protocols is not necessary
    • B、The router must hav e at least one working link connected to each routing domain
    • C、The redistribute command must be configured under EIGRP to send the routes to OSPF
    • D、The redistribute command should be configured under OSPF to take routes from EIGRP into OSPF

    正确答案:B,D

  • 第6题：

    Due to media failure you lost one of the data files belonging to the USERS tablespace， and the tablespace is not available to use. Which statement regarding the status of the database is true？（）

    • A、The database remains open.
    • B、The database gets dismounted.
    • C、The database becomes read only.
    • D、The database instance gets aborted.
    • E、The database gets shut down automatically.
    • F、The status of the database depends on the status of the USERS tablespace.

    正确答案:A

  • 第7题：

    Which three statements are true regarding the logical structure of the Oracle database？（）

    • A、Each segment contains one or more extents.
    • B、Multiple tablespaces can share single data file.
    • C、A data block is the smallest unit of I/O for data files.
    • D、It is possible to have tablespaces of different block sizes in a database.
    • E、Each data block in the database always corresponds to one OS block.

    正确答案:A,C,D

  • 第8题：

    单选题
    You are attempting to increase the checkpoint interval on your database. Each of the following choices will affect the duration and/or frequency of checkpoints, except one.  Which is it?（）
    A

    Size of redo logs 

    B

    Number of datafiles 

    C

    LOG_CHECKPOINT_INTERVAL 

    D

    LOG_CHECKPOINT_TIMEOUT


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    Which show command will display only the Type 5 LSAs in the OSPF topology database？（）
    A

    show ip ospf database external

    B

    show ip ospf database nssa - external

    C

    show ip route ospf

    D

    show ip ospf datab ase summary

    E

    show ip route


    正确答案： B
    解析： 暂无解析

  • 第10题：

    多选题
    Examine the following RMAN command：   BACKUP DATABASE TAG TESTDB  KEEP UNTIL ’SYSDATE+1’ RESTORE POINT TESTDB06；   Which two statements are true regarding the backup taken by using the above RMAN command？（）
    A

    Only data files and the control file are backed up.

    B

    Archived redo logs are backed up only if the database is open during the backup.

    C

    The backup is deleted after one day，regardless of the default retention policy settings.

    D

    The backup becomes obsolete after one day，regardless of the default retention policy settings.


    正确答案： C,A
    解析： 暂无解析

  • 第11题：

    单选题
    Due to media failure you lost one of the data files belonging to the USERS tablespace， and the tablespace is not available to use. Which statement regarding the status of the database is true？（）
    A

    The database remains open.

    B

    The database gets dismounted.

    C

    The database becomes read only.

    D

    The database instance gets aborted.

    E

    The database gets shut down automatically.

    F

    The status of the database depends on the status of the USERS tablespace.


    正确答案： F
    解析： 暂无解析

  • 第12题：

    多选题
    Which three statements are true regarding the logical structure of the Oracle database？（）
    A

    Each segment contains one or more extents.

    B

    Multiple tablespaces can share single data file.

    C

    A data block is the smallest unit of I/O for data files.

    D

    It is possible to have tablespaces of different block sizes in a database.

    E

    Each data block in the database always corresponds to one OS block.


    正确答案： E,D
    解析： 暂无解析

  • 第13题：

    While troubleshooting some connectivity issues，you issue the “show ip ospf database”in order to ex amine the link state database. Which three of the statements below are true regarding the OSPF link state database（）

    A.Each router has an identical link state database.

    B.External routes are imported into a separate link state database.

    C.Syn chronization of link state databases is maintained via floodingo f LSAs.

    D.Information in the link state database is used to build a routing table by calculating a shortest-path tree.

    E.By default,link state databases are refreshede very 10 minutes in the absence of topology changes.


    参考答案：A, C, D

  • 第14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

    正确答案:B,E

  • 第15题：

    Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology？（）

    • A、 EIGRP can summarize per interface.
    • B、 OSPF router databases remain independent.
    • C、 When they are configured with stubs， EIGRP regularly floods the topology.
    • D、 OSPF topology decisions are made independent of hierarchy or area.

    正确答案:A

  • 第16题：

    Which show command will display only the Type 5 LSAs in the OSPF topology database？（）

    • A、show ip ospf database external
    • B、show ip ospf database nssa - external
    • C、show ip route ospf
    • D、show ip ospf datab ase summary
    • E、show ip route

    正确答案:A

  • 第17题：

    Which of the following choices identifies a database component that will be used for multiplexing control files?（）

    • A、V$CONTROLFILE 
    • B、V$DATABASE 
    • C、init.ora 
    • D、DBA FILES

    正确答案:C

  • 第18题：

    Examine the following RMAN command：   BACKUP DATABASE TAG TESTDB  KEEP UNTIL ’SYSDATE+1’ RESTORE POINT TESTDB06；   Which two statements are true regarding the backup taken by using the above RMAN command？（）  

    • A、 Only data files and the control file are backed up.
    • B、 Archived redo logs are backed up only if the database is open during the backup.
    • C、 The backup is deleted after one day，regardless of the default retention policy settings. 
    • D、 The backup becomes obsolete after one day，regardless of the default retention policy settings.

    正确答案:B,D

  • 第19题：

    单选题
    Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology？（）
    A

     EIGRP can summarize per interface.

    B

     OSPF router databases remain independent.

    C

     When they are configured with stubs， EIGRP regularly floods the topology.

    D

     OSPF topology decisions are made independent of hierarchy or area.


    正确答案： A
    解析： 暂无解析

  • 第20题：

    多选题
    For a router to successfully redistribute routes between OSPF and EIGRP, which of the following are true?（）
    A

    The router must have one routing protocol configured, but configuration for both routing protocols is not necessary

    B

    The router must hav e at least one working link connected to each routing domain

    C

    The redistribute command must be configured under EIGRP to send the routes to OSPF

    D

    The redistribute command should be configured under OSPF to take routes from EIGRP into OSPF


    正确答案： D,A
    解析： 暂无解析

  • 第21题：

    多选题
    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


    正确答案： D,B
    解析： 暂无解析

  • 第22题：

    单选题
    You are managing the Oracle database. Which of the following choices correctly identifies when Oracle reads the contents of the init.ora file?（）
    A

    When the instance is started 

    B

    When the database is mounted 

    C

    When the database is opened 

    D

    When the database is closed


    正确答案： D
    解析： 暂无解析

  • 第23题：

    多选题
    While troubleshooting some connectivity issues， you issue the "show ip ospf database" in order toexamine the link state database. Which three of the statements below are true regarding theOSPF link state database？（）
    A

    Each router has an identical link state database

    B

    External routes are imported into a separate link state database

    C

    Synchronization of link state databases is maintained via flooding of LSAs

    D

    Information in the link state database is used to build a routing table by calculating a shortest-path tree

    E

    By default， link state databases are refreshed every 10 minutes in the absence of topologychanges


    正确答案： E,D
    解析： 暂无解析

  • 第24题：

    单选题
    Which one of the following answer choices below is true regarding the OSPF topology database?（）
    A

    All entries in the topology database will be included on each router.

    B

    All routers in the same OSPF area will have one topology database.

    C

    The Dijkstra algorithm is used in the creation of the topology database.

    D

    LSA packets are used to update and maintain the topology database.


    正确答案： D
    解析： 暂无解析

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