_________ is a private network that uses a public network to connect users.
A. DoS
B. ERP
C. RFID
D. VPN
查看答案
An employee at Company A receive an email and opened the attachment contained within the message. Shortly afterwards all employees were blocked from accessing files on the company’s servers and the criminal told the Company A they would have to pay a large amount of Bitcoin to regain access to their files. Company A was a victim of _____
A. ransomware
B. identity theft
C. spyware
D. cyber warfare
E. phishing attack
What are the three legs of the sustainability model discussed in class?
A. Environmental , Political, Economic
B. Environmental, Social , Economic
C. Profitability, Explitation, Consumption
D. None of the above.
Which of the following is the most accurate statement?
A. Computing uses a substantial amount of power and is responsible for substantial greenhouse gas emissions.
B. Information Systems can be used to reduce the environmental impact of human activities by making them more energy-efficient.
C. Smart buildings can use information systems to be carbon neutral.
D. Both (a) and (b) accurate.
E. Both (a) and (c) accurate.
下列不属于论文选题意义的是
A. 选题决定着研究的方向和目标
B. 选题决定着科研成果有价值
C. 选题决定了论文能否发表
D. 选题决定着论文的成败
E. 选题标志着科研能力的高低
微信支付 
支付宝支付