题目
第4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
● Firewall is a ___(74)___ mechanism used by organizations to protect their LANs from
Internet.
(74)A. reliable B. stable C. peaceful D. security
第8题
A.mechanism
B.machine
C.mechanics
D.machinery
第9题
A.An external mechanism
B.An internal mechanism
C.An interlock device
D.A hunting gear system
第11题
Firewall is a _______ mechanism used by organizations to protect their LANs from the Internet.
A.reliable
B.stable
C.peaceful
D.Security
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