Unit 5 Quiz BSIT 3A

How does a virus scanner work?

• It watches for certain types of behaviors typical of a virus.

• It scans for the signature or pattern of known viruses

• It terminates and stays resident in memory after execution.

• It runs in the background and constantly checks for virus signs.

What is the most common firewall used today, especially in home or small office setups?

• Application Gateway

• Screening Firewall

• Circuit-Level Gateway

• Router-Based Firewall

Which type of firewall examines packets based on data derived from previous packets in the conversation?

• Screening Firewall

• Application Gateway

• Circuit-Level Gateway

• Stateful Packet Inspection

Which firewall type establishes connections on behalf of clients and acts as a proxy?

• Screening Firewall

• Application Gateway

• Circuit-Level Gateway

• Stateless Packet Inspection

Which virus-scanning technique examines emails and attachments for viruses?

• Email and Attachment Scanning

• Download Scanning

• File Scanning

• Heuristic Scanning

Which type of program stays in memory after execution and is searched for by virus scanners?

• Terminate and Stay Resident (TSR) Program

• Ongoing Virus Scanner

• On-demand Virus Scanner

• Sandbox Program

What does an antispyware software do?

• Prevents virus infections on your computer

• Scans for known spyware files on your system

• Blocks unauthorized access to your network

• Monitors and secures email attachments

What is a network host-based firewall?

• A firewall installed on a dedicated server with multiple network interfaces

• A firewall implemented on a router in a network infrastructure

• A software firewall installed on an existing machine with an operating system

• A combination of a bastion host and a screening router for added security

Which type of firewall examines packets in the context of an ongoing TCP conversation?

• Screening Firewall

• Application Gateway

• Circuit-Level Gateway  

• Stateless Packet Inspection Firewall

What is the purpose of an application gateway in a firewall?

• To hide and protect individual computers on the network

• To filter packets based on packet size and destination IP address

• To establish a connection with the destination service on behalf of the client

• To establish secure connections between the internal client and the proxy server