Exam 5: Protecting Information Resources

A(n) _____ consists of self-propagating program code that is triggered by a specified time or event.

_____ is a software feature that erases the screen and signs the user off automatically after a specified length of inactivity.

A proxy server is often used to help protect the network against unauthorized access from outside the network by hiding the network addresses of internal systems.

Viruses can only be transmitted through sharing of infected files directly from one computer to another.

_____ ensures data security and integrity over public networks,such as the Internet.

Backup facilities should never be shared in an attempt to reduce costs.

State any five physical security measures.

Which of the following is a nonbiometric security measure?

Which of the following is a type of access control used to protect systems from unauthorized access?

_____ take advantage of the human element of security systems.

_____ is a computer crime that involves destroying or disrupting computer services.

Data encryption transforms data into a scrambled form called ciphertext.

Explain the use of callback modems as a nonbiometric security measure.

Phishing is different from pharming as phishing usually involves hijacking an official Web site address by hacking a Domain Name System server.

In the context of computer and network security,_____ means that computers and networks are operating and authorized users can access the information they need.

Describe asymmetric encryption.

An ideal password should be eight characters or longer.

A level 3 security system focuses on protecting _____.

What are the functions of a computer emergency response team (CERT)?

How is a sender notified of packet delivery using a packet-filtering firewall?