[多选题] Security is usually enforced through().

1、[单选题]Electronic commerce may be defined as the entire set of processes that suport()activities on a(n)()and involve information analysis.

• A、society,human
• B、personal,society
• C、commercial,network

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2、[多选题]With middleware we can

• A、allow computations to communicate with one another
• B、keep computations largely isolated from undesirable interactions
• C、run programs on a centralized computer system only
• D、run programs on different computer system

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3、[多选题]Instruction format in RISC has

• A、many kinds
• B、one or a few kinds
• C、one kind
• D、a few kinds

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4、[多选题]Active Directory can help you().

• A、manage every resource with a single logon
• B、build a complex international network
• C、get off the limits of down level networks
• D、deliver complete enterprise security by itself

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5、[多选题]The Application layer in TCP/IP Model is correspond to＿＿＿＿＿＿＿＿in OSI Model

• A、Network Layer
• B、Session Layer
• C、Application Layer
• D、Presentation Layer
• E、Transport Layer

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