Exam 5: Protecting Information Resources

A proxy server acts as an intermediary between network users and the Internet.

The main advantage of asymmetric encryption is that it is faster and requires only a small amount of processing power.

Describe some of the steps that users should take to guard against data theft and data loss.

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

____________________ are inexperienced,usually young hackers who use programs that others have developed to attack computer and network systems.

When a program containing a virus is used,the virus attaches itself to other files,and the cycle continues.

The cost of setting up a virtual private network is usually high.

Describe the function of identification (ID)badges.

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

____ are usually placed in front of a firewall and can identify attack signatures and trace patterns.

A ____ attack floods a network or server with service requests to prevent legitimate users' access to the system.

A distributed denial-of-service (DDoS)attack involves hundreds of computers working together to bombard a Web site with thousands of requests for information in a short period.

____ security measures use a physiological element to enhance security measures.

____________________ are independent programs that can spread themselves without having to be attached to a host program.

Many organizations now follow the ____ model to form teams that can handle network intrusions and attacks quickly and effectively.

Part of ensuring integrity is identifying authorized users and granting them access privileges.

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

A ____ is an inexperienced,usually young hacker who uses programs that others have developed to attack computer and network systems.

A firewall cannot reject an incoming packet,but instead sends a warning to the network administrator.

Social engineering techniques are easily detectable because they involve threatening employees with physical violence.