根据下面的文字资料回答 12~16 题图1是曼彻斯特编码,它表示的数据可能为(1 ),这种编码适用的网
第12题:文中(1 )处正确的答案是()。
A.10100
B.O1110
C.10101
D.10011
第12题:文中(1 )处正确的答案是()。
A.10100
B.O1110
C.10101
D.10011
A.3 Kb/s
B.6 Kb/s
C.10 Kb/s
D.56 Mb/s
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
根据下面的文字资料回答 63~67 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63题:文中(1 )处正确的答案是()。
A.interval
B.time
C.slot
D.delay
A.费用
B.灵活性
C.可靠性
D.环型
A.近端串扰
B.拓扑结构
C.开路或短路
D.错对
A.远程访问
B.远程网络监控
C.远程登录
D.远程控制
A.2
B.3
C.4
D.5
A.处于直通状态
B.属于同一VLAN
C.属于不同VLAN
D.地址都相同
第50题:文中(1 )处正确的答案是()。
A.FTTC
B.FTTH
C.FTTB
D.FTTD