CNET151 - Chapt 9 - Computer Security Technology

A list of virus definitions is typically in a small file with a __________ extension.

• .dat

• .txt

• .vir

• .def

Typically, when you update virus definitions __________.

• The virus program scans your computer

• Your computer restarts

• You are updating the virus definition file on your computer

• None of the above

A file that stays in memory after it executes is a(n) __________.

• Terminate and stay resident (TSR) program

• Executable

• Text file

• Bug

The virus scanning technique that uses rules to determine if a program behaves like a virus is __________ scanning.

• Download

• File

• Heuristic

• Sandbox

The virus scanning technique that means you have a separate area isolated from the operating system in which a file is run, so it won’t infect the system is __________.

• Download

• File

• Heuristic

• Sandbox

Java and ActiveX codes should be scanned before they are __________.

• Downloaded to your computer

• Known about

• Infected

• Filtered

Mistaking a legitimate program for a virus is a __________.

• Heuristic error

• False negative

• False positive

• Download error

A __________ is a barrier between two computers or computer systems.

• Firewall

• Web server

• Sandbox

• File server

The simplest form of firewall is a(n) __________ firewall.

• Packet filtering

• Application gateway

• Circuit-level gateway

• Stateful packet inspection

A(n) __________ firewall examines the entire conversation between client and server, not just individual packets.

• Circuit-level gateway

• Stateful packet inspection

• Packet filtering

• Application gateway