T3
SONET
Gigabit-Ethernet
EIA/TIA-232 serial
第1题:
The methods used in Asynchronous Transfer Mode (ATM)are switch technology and(17)is used to describe this mode.
A.cell exchange
B.message exchange
C.information exchange
D.packet exchange
第2题:
A.Local
B.Far End
C.Remote
D.Bidirectional
第3题:
Each Cell of Asynchronous Transfer Mode (ATM) has fix length.How long is it ?
A.50B
B.51B
C.52B
D.53B
第4题:
异步转移模式,ATM(Asynchronous Transfer Mode)是一种快速分组交换的传输方式。
第5题:
ATM(Asynchronous Transfer Mode) technology combines connection oriented mechanism and (72) mechanism
A.circuit switching
B.packet switching
C.message switching
D.voice switching
第6题:
For each blank, choose the best answer from the four choices and write down on the answer'sheet.
(66)is a protocol that a host uses to inform. a router when it joins or leaves an Internet multicast group.
(67)is an error detection code that most data communication networks use.
(68)is an interior gateway protocol that uses a distance vector algorithm to propagate routing information.
(69)is a transfer mode in which all types of information are organized into fixed form. cells on an asynchronous or non-periodic basis over a range of media.
(70)is an identifier of a web page.
A.ICMP
B.SMTP
C.IGMP
D.ARP
第7题:
A.T3
B.SONET
C.Gigabit-Ethernet
D.EIA/TIA-232 serial
第8题:
此题为判断题(对,错)。
第9题:
第10题:
ATM称为异步转移模式,(Asynchronous Transfer Mode)是一种快速分组交换的传输方式。