题目
● A (75) infected computer may lose its data.
(75)
A. file
B. data base
C. virus
D. program
第1题
A (75) infected computer may lose its data.
A.file
B.data base
C.virus
D.program
第2题
A(75) infected computer may lose its data.
A.file
B.database
C.Virus
D.program
第3题
Viruses can't be transmitted by(74)and(75)is not a common route for virus infiltration.
A.booting a PC from an infected medium
B.accessing to ROM
C.opening an infected file
D.executing an infected program
第4题
Remote administration types are an example of one kind of(71)malicious software, the Trojan horse, or more simply Trojan. The purpose of these programs isn't replication,(72)to penetrate and control. That masquerade as one thing when in fact they are something else, usually something destructive. There are a number of kinds of Trojans, including spybots, (73) report on the Web sites a computer user visits, and keybots or keyloggers, which record and report the user's keystrokes in order to discover passwords and other confidential information.
RATS attempt to give a remote intruder administrative control of an infected computer. They work as(74)pairs. The server resides on the infected machine, while the client resides elsewhere, across the network, where it's available to a remote intruder. Using standard TCP/IP or UDP protocols, the client sends instructions to the server. The server does(75) it's told to do on the infected computer.
A.nonviral
B.unviral
C.inviral
D.abviral
第7题
A.30%O 、17%CO 、80%N
B.15%O 、5%CO 、80%N
C.10%O 、15%CO 、75%N
D.5%O 、10%CO 、85%N
E.20%0,、5%CO 、75%N
第9题
焦炉煤气中可燃成分CO含量为()。
A.6%~9.9%
B.27%~33.2%
C.70%~75%
第10题
高炉煤气中可燃成份CO含量为()。
A.6%~9.9%
B.23.2%~27%
C.70%~75%
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