Nguyên lí an toàn thông tin 2.

Proxy sever is used for which of the following?

( Máy chủ proxy sử dụng với mục đích nào ?)

• To provide security unauthorized users

  ( Cung cấp bảo mật chống lại người sử dụng trái phép)

• To process client requests for web pages

  (Để xử lý các yêu cầu của khách hàng đối với các trang web)

• To process client requests for database access

  (Để xử lí yêu cầu của khách hàng về truy cập dữ liêu di đông)

• To provide TCP/IP

  ( đỂ Cung cấp TCP/IP)

Pass word enable users to...

• Get into the system quickly.

• Make efficient use of time

• Retain confidentiality of files

• Simplify file structures

Which will not harm computer resources?

• firewall

• Virus

• Trojian horse

• None of the above

Technology no longer protected by copyright, available to everyone, is consideredto be:

• Proprietary

• Open

• experimental

• in the public domian

What is a backup

• Restoring the information backup

• An exact copy of a systems information

• The ability to get a system up and running in the event of a system crash or failure

• All of the these

A computer checks the.... of the user names and password for a match before granting access?

• Website

• Network

• Backup file

• Database

All of the following are examples of real security and privacy risk except.

• Hacker

• Spam

• Viruses

• Identify theft

Which of the following would most likely not be a symptom of a virus?

• Existing program files and icons disappear

• The CD-ROM stops functioning

• The Web browser opens to an unusual home page

• odd messages or images are displayed on the screen

..... is a computer criminal breaks into a computer system for exploring details of information etc.

• Hacking

• Spoofing

• Eavesdropping

• Phishing

Are viruss that are triggeted by the passage of the time or on a certain date

• Boot sector

• Macro viruses

• Time bombs

• Worms