()是IETF Internet Engineer Task Force完善的安全标准,它把几种安全技术结合在一起形成一个较为完整的体系,通过对数据加密、认证、完整性检查来保证数据传输的可靠性、私有性和保密性。
第1题:
IETF Internet工程任务组()
A.是推动Internet标准规范制定的最主要的组织
B.主要组成有:互联网架构委员会(Internet Architecture Board - IAB)
C.主要组成有:国际软交换协会(International Softswitch Consortium,ISC)
D.主要组成有:互联网工程指导组(Internet Engineering Steering Group - IESG)
E.主要组成有:IETF工作组(IETF Working Group)
参考答案:A;B;D;E
第2题:
During UMS rounds, a duty engineer notices that the fuel oil overflow observation glass is full of oil. Should he ____.
A.Stop all F.O. transfers immediately, and inform the chief engineer.
B.Make a sounding of the F.O. overflow tank and decide if there is enough capacity to leave it until the following morning.
C.Call a motorman and have him sound the F.O. overflow tank periodically during the night.
D.start the F.O. purifier
第3题:
IETF标准组织产生两种文件,RFC和()。
A.Internet Draft
B.IEEE标准
C.电气特性
D.物理层标准
第4题:
L2F是()提出的一个隧道安全协议。
第5题:
A.
B.
C.
D.
E.
F.
第6题:
When will an Engineer Officer in charge of watch call Chief Engineer?
第7题:
Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF).Which two statements best describe the OSPF link - state routing pro tocol?()
A. OSPF sends updates every 10 seconds
B. OSPF sends triggered updates when a network change occurs
C. When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it to all OSPF devices using the 224.0.0.6 multicast address
D. OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronization
第8题:
IPv6 is short for“Internet Protocol Version 6”.IPv6 is the “next generation” protocol designed by the IETF to( )the current version Intemet Protocol,IP Version 4("IPv4”). A.substitution B.swap C.switchover D.replace
第9题:
A. reflexive
B. extended
C. standard
D. dynamic
第10题:
()是在IETF(Internet工程任务组)努力下制定的一个标准协议。该协议能够允许移动终端与Internet上的其他主机进行通信。通过采用这一机制,即使移动终端正在移动,只要这些主机连接到Internet上,也能与其他主机进行通信。