网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
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.
参考答案
更多 “ 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. ” 相关考题
考题
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.
考题
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.
考题
Which three of the protocols below belong to the application layer? (Select three answer choices)A. ARPB. HTTPSC. SMTPD. CDPE. TFTPF. ICMP
考题
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.
考题
Which show command will display only the Type 5 LSAs in the OSPF topology database?()
A. show ip ospf database externalB. show ip ospf database nssa - externalC. show ip route ospfD. show ip ospf datab ase summaryE. show ip route
考题
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.
考题
Which of the following data structures exist on a router for the OSPF routing protocol？（）A、OSPF topology tableB、OSPF interface tableC、OSPF routing information baseD、OSPF link-state databaseE、OSPF adjacency tableF、OSPF neighbor table
考题
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 areasB、Multiple OSPF areas must connect to area 0C、Single area OSPF networks must be configured in area 1D、Areas can be assigned any number from 0 to 63535E、Area 0 is called the backbone areaF、Each OSPF area need to be configured with a loopback interface
考题
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 routeB、R1's metric to reach subnet 10.2.2.0/24 is 64C、The route was redistributed on a router that has a router ospf 1 command configuredD、R1 is redistributing a route to prefix 1 0.2.2.0/24 into OSPF
考题
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.
考题
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.
考题
Which show command will display only the Type 5 LSAs in the OSPF topology database？（）A、show ip ospf database externalB、show ip ospf database nssa - externalC、show ip route ospfD、show ip ospf datab ase summaryE、show ip route
考题
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 necessaryB、The router must hav e at least one working link connected to each routing domainC、The redistribute command must be configured under EIGRP to send the routes to OSPFD、The redistribute command should be configured under OSPF to take routes from EIGRP into OSPF
考题
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
考题
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.
考题
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.
考题
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.
考题
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.
考题
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
考题
多选题For a router to successfully redistribute routes between OSPF and EIGRP, which of the following are true?（）AThe router must have one routing protocol configured, but configuration for both routing protocols is not necessaryBThe router must hav e at least one working link connected to each routing domainCThe redistribute command must be configured under EIGRP to send the routes to OSPFDThe redistribute command should be configured under OSPF to take routes from EIGRP into OSPF
考题
单选题Which show command will display only the Type 5 LSAs in the OSPF topology database？（）A
show ip ospf database externalB
show ip ospf database nssa - externalC
show ip route ospfD
show ip ospf datab ase summaryE
show ip route
考题
多选题Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）AAll OSPF networks require the use of multiple areasBMultiple OSPF areas must connect to area 0CSingle area OSPF networks must be configured in area 1DAreas can be assigned any number from 0 to 63535EArea 0 is called the backbone areaFEach OSPF area need to be configured with a loopback interface
考题
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？（）AOnly data files and the control file are backed up.BArchived redo logs are backed up only if the database is open during the backup.CThe backup is deleted after one day，regardless of the default retention policy settings.DThe backup becomes obsolete after one day，regardless of the default retention policy settings.
考题
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
考题
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.
考题
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？（）AEach router has an identical link state databaseBExternal routes are imported into a separate link state databaseCSynchronization of link state databases is maintained via flooding of LSAsDInformation in the link state database is used to build a routing table by calculating a shortest-path treeEBy default， link state databases are refreshed every 10 minutes in the absence of topologychanges
考题
多选题Which three statements are true regarding the logical structure of the Oracle database？（）AEach segment contains one or more extents.BMultiple tablespaces can share single data file.CA data block is the smallest unit of I/O for data files.DIt is possible to have tablespaces of different block sizes in a database.EEach data block in the database always corresponds to one OS block.
考题
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.
热门标签
最新试卷