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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
参考答案
更多 “Which statement about OSPF authentication is true？（）A、To enable OSPF authentication in a network， OSPF area 0 authentications must be enabled firstB、The payload of OSPF version 3 packets contains no authentication informationC、OSPF version 3 supports Advanced Encryption StandardD、OSPF version 3 uses router ID as a key to encrypt OSPF hello packetsE、OSPF MD5 authentication uses TCP， and Plan Test authentication uses UDP” 相关考题
考题
Which routers must be configured with the same authentication string when configuring OSPFauthentication?()
A. all routers on a linkB. all routers in an areaC. all external OSPF peersD. all routers in an OSPF domain
考题
Which two items should you know when configuring OSPF to dynamically learn routes? ()(Choose two.)
A. OSPF area IDB. OSPF neighbor addressC. OSPF loopback addressD. OSPF authentication type
考题
In JUNOS software, which statement is true regarding the OSPF advertisement of the loopback IP address on the ABR?()
A. When Area 0 is active, the loopback interface must be configured in OSPF for it to be advertised.B. When Area 0 is active, the loopback address is automatically advertised into other areas.C. When Area 0 is active, the OSPF router-id must match the loopback address for the loopback address to be advertised.D. When Area 0 is active, the router-id must be configured for the loopback address to be advertised.
考题
Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces (respectively), currently both successfully use OSPF MD5 authentication. The OSPF configuration includes the area 0 authentication command under the router ospf 1 command.Which of the following commands must have been configur ed on R1‘s Fa0/0 interface?（）A. ip ospf authentication nullB. ip ospf authentication message - digestC. ip ospf authentication -key whatever- it - isD. ip ospf message - digest - key 1 md5 whatever - it - isE. ip ospf md5 1 key whatever - it - is
考题
Refer to the exhibit. ROUTE.com is planning to implement a new secure OSPF network to support traffic between clients on the 172.16.10.0/24 network and the file server on th e 172.16.20./24 network. You have been asked to review the implementation plan for the OSPF project. Which statement about the plan is true?（）A. It is complete as written.B. It should include a task that shuts down all unused interfaces.C. It sho uld include tasks that enable and verify OSPF authentication.D. It should include a task that establishes a file transfer baseline before and after the configuration is changed.
考题
Which of the following are characteristics of OSPF areas?()
A. Hierarchical OSPF networks need to be in one areaB. 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
Which statement is true about the command ipv6 ospf 1 area 0?()
A. It must be issued before the network command to enable the OSPF pr ocess for IPv6.B. It must be issued after the network command to enable the OSPF process for IPv6.C. It must be issued in router global configuration mode to enable the OSPF process for IPv6.D. It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
考题
Refer to the exhibit. Which statement is true about the configuration? ()
A. RTA will not establish an OSPF adjacency w ith RTBB. RTA will send OSPF hello packets, but will not send OSPF updatesC. RTA will not accept OSPF hello packets from RTBD. RTA will send OSPF updates, but will not establish an adjacency with RTB
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
Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces (respectively), currently both successfully use OSPF MD5 authentication. The OSPF configuration includes the area 0 authentication command under the router ospf 1 command. Which of the following commands must have been configur ed on R1's Fa0/0 interface?（）A、ip ospf authentication nullB、ip ospf authentication message - digestC、ip ospf authentication -key whatever- it - isD、ip ospf message - digest - key 1 md5 whatever - it - isE、ip ospf md5 1 key whatever - it - is
考题
Which commands are required to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0?（）A、TestKingRouter(config)# router ospf 0B、TestKingRouter(config)# router ospf 1C、TestKingRouter(config)# router ospf area 0D、TestKingRouter(config)# network 192.168.16.0 0.0.0.255 0E、TestKingRouter(config)# network 192.168.16.0 0.0.0.255 area 0F、TestKingRouter(config)# network 192.168.16.0 255.255.255.0 area 0
考题
Which two items should you know when configuring OSPF to dynamically learn routes? （）(Choose two.)A、OSPF area IDB、OSPF neighbor addressC、OSPF loopback addressD、OSPF authentication type
考题
Which statement is true about the frequency of OSPF LSA transmissions？（）A、 They are configured per OSPF area.B、 They are configured per virtual router.C、 They are configured per OSPF process.D、 They are configured per OSPF interface.
考题
Which of the following are characteristics of OSPF areas?（）A、Hierarchical OSPF networks need to be in one areaB、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
Which two OSPF LSA types are new in OSPF version 3？ （）A、LinkB、NSSA externalC、Network linkD、Intra-area prefixE、AS domain
考题
Which two statements about OSPF IPv6 routing are true？（）A、It requires OSPF version 3.B、automatically detects neighbors over NHMA interfacesC、It supports encryption usingD、It uses LSA type 9E、It uses LSA type 8
考题
什么命令序列将配置一个路由器运行OSPF，并添加网络10.1.1.0/24 area0？（）A、router ospf area 0 network 10.1.1.0 255.255.255.0 area 0B、router ospf network 10.1.1.0 0.0.0.255C、router ospf 1 network 10.1.1.0 0.0.0.255 area 0D、router ospf area 0 network 10.1.1.0 0.0.0.255 area 0E、router ospf network 10.1.1.0 255.255.255.0 area 0F、router ospf 1 network 10.1.1.0 0.0.0.255
考题
Which routers must be configured with the same authentication string when configuring OSPFauthentication?（）A、all routers on a linkB、all routers in an areaC、all external OSPF peersD、all routers in an OSPF domain
考题
Which routers must be configured with the same authentication string when configuring OSPF authentication？（）A、all routers on a linkB、all routers in an areaC、all external OSPF peersD、all routers in an OSPF domain
考题
多选题Which commands are required to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0?（）ATestKingRouter(config)# router ospf 0BTestKingRouter(config)# router ospf 1CTestKingRouter(config)# router ospf area 0DTestKingRouter(config)# network 192.168.16.0 0.0.0.255 0ETestKingRouter(config)# network 192.168.16.0 0.0.0.255 area 0FTestKingRouter(config)# network 192.168.16.0 255.255.255.0 area 0
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Which two OSPF LSA types are new in OSPF version 3？ （）ALinkBNSSA externalCNetwork linkDIntra-area prefixEAS domain
考题
单选题Which statement is true about the frequency of OSPF LSA transmissions？（）A
They are configured per OSPF area.B
They are configured per virtual router.C
They are configured per OSPF process.D
They are configured per OSPF interface.
考题
多选题Which two statements about OSPF IPv6 routing are true？（）AIt requires OSPF version 3.Bautomatically detects neighbors over NHMA interfacesCIt supports encryption usingDIt uses LSA type 9EIt uses LSA type 8
考题
单选题Which statement is true about the command ipv6 ospf 1 area 0?（）A
It must be issued before the network command to enable the OSPF pr ocess for IPv6.B
It must be issued after the network command to enable the OSPF process for IPv6.C
It must be issued in router global configuration mode to enable the OSPF process for IPv6.D
It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
考题
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 firstB
The payload of OSPF version 3 packets contains no authentication informationC
OSPF version 3 supports Advanced Encryption StandardD
OSPF version 3 uses router ID as a key to encrypt OSPF hello packetsE
OSPF MD5 authentication uses TCP， and Plan Test authentication uses UDP
考题
多选题Which of the following are characteristics of OSPF areas?（）AHierarchical OSPF networks need to be in one areaBMultiple 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
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