题目
A.建立和释放连接
B.透明地传输比特流
C.在物理实体间传送数据帧
D.发送和接收用户数据
第1题
A.行业
B.国际
C.国内
D.企业
第2题
A.程序查询方式
B.读/写文件方式
C.数据库方式
D.客户/服务器方式
第3题
A.控制帧
B.令牌
C.协议帧
D.信息帧
第4题
A.频谱
B.频谱搬移
C.频率编码
D.频分多址
第5题
A.6
B.7
C.8
D.9
第6题
A.稳定性
B.可靠性
C.数据一致性
D.可维护性
第7题
根据下面的文字资料回答 66~70 题
In low-speed network,it is usually adequate to wait for congestion to occur and
then react to it by telling the source of packets to slow down.In high-speed
networks,this approach oftenworks poorly,because in the(1 )between sending the
notification and notification arriving at the source,thousands of
additional(2 )may aITive.In ATM network,a major tool for
preventing(3 )is(4 )control.when a host wants a new virtual(5 ),it must
describe the traffic to be offered and the service expected.
第66题:文中(1 )处正确的答案是()。
A.interval
B.time
C.slot
D.delay
第8题
根据下面的文字资料回答 71~75 题 The Simple Network Management Protocol(SNMP)is an (1 )protocol that facilitates the exchange of management information between (2 ).It is part of the Transmission Control ProtocoL/Internet Protocol(TCP/IP)protocol suite. SNMP enables network(3 )to manage network performance,find and sole network problems,and plan for(4 ).An SNMP managed network consists of three key components:managed devices,(5 ),and networkmanagement systems.
第6题:文中(1 )处正确的答案是()。
A.Physical Layer
B.Link Layer
C.Network Layer
D.Transport Layer
第9题
A.TA
B.TN1
C.TN2
D.TE1
第10题
A.2
B.3
C.4
D.5
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