题目
(71)
A. medium
B. connection
C. token
D. resource
(72)
A. processing
B. switching
C. routing
D. interfacing
(73)
A. tree
B. bus
C. star
D. ring
(74)
A. routers
B. stations
C. servers
D. switches
(75)
A. tap
B. repeater
C. terminator
D. concentrator
第1题
Both bus and tree topologies are characterized by the use of multipoint().
A.medium
B.connection
C.token
D.resource
第2题
Both bus and tree topologies are characterized by the use of multipoint (71) .For the bus,all stations attach,through appropriate hardware (72) known as a tap,directly to a linear transmission medium,or bus.Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the (73) .A transmission from any station propagates the length of the medium in both directions and can be received by all other (74) .At each end of the bus is a (75) ,which absorbs any signal,removing it from the bus.
(71)
A.medium
B.connection
C.token
D.resource
第3题
As the bus came round the comer, it ran __________ a big tree by the roadside.
A. into
B. on
C. over
D. up
第4题
As the bus came round the corner, it ran ________ a big tree by the roadside.
A: over
B; into
C; on
第5题
A.into
B.on
C.over
D.up
第8题
A.冲突检测的载波侦听多路访问(CSMA/CD)
B.令牌树(Token Tree)
C.令牌环(Token Ring)
D.令牌总线(Token Bus)
第9题
A.冲突检测的载波侦听多路访问(CSMA/CD)
B.令牌树(Token Tree)
C.令牌环(Token Ring)
D.令牌总线(Token Bus)
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