A: which
B: that
C: it
D: this
举一反三
- 中国大学MOOC: Vulnerability is characteristic of a system without _________ a specified class of security breaches would not be possible.
- Which are the possible ways to protect our environment? A: To choose energy-conserving electrical appliances. B: To choose freon-free products. C: To take a bus as much as possible. D: To take a car as much as possible.
- If ignited，which material would be a class B fire?（）
- Which of the following would not be classified as a knowledge work system?
- Which of the following protocol layers is the security protection of communication system implemented? ( ) A: NAS B: HTTP C: PDCP D: FTP
内容
- 0
中国大学MOOC: Security vulnerability testing uses the simulation of attacks and other kinds of penetration testing __________ to compromise the security of a system.
- 1
The local peasants gave the soldiers clothes and food without which they ____ of hunger and cold. A: would B: will die C: would be dead D: would have died
- 2
Which of the following is not a future challenge for maritime transportation? A: Safety and security B: System capacity C: Finance and economics D: Transport demand
- 3
Without bank's participation, modern international trade payment system would not exist any more.
- 4
The local peasants gave the soldiers clothes and food, without which they ______ of hunger and cold. A: would dead B: will die C: would be dead D: would have died