Network Security Quiz

What is the primary role of a proxy server in network security?

• To distribute network traffic across multiple servers

• To act as an intermediary and provide a layer of protection to the client

• To enhance security by controlling access to sensitive resources

• To capture and analyze malicious traffic

Which of the following is NOT a benefit provided by a proxy server?

• Traffic management

• Content filtering

• Fault tolerance

• Caching engines

What is the main purpose of a jump server?

• To provide fault tolerance and load balancing

• To distribute incoming network traffic across multiple servers

• To act as an intermediary for web access

• To enhance security by controlling access to sensitive resources

What additional feature can a load balancer include to provide protection against common web application attacks?

• A Web Application Firewall (WAF)

• A packet sniffer

• A caching engine

• An intrusion detection system (IDS)

Which OSI model layer does a Layer 4 load balancer make decisions on?

• Application layer

• Transport layer

• Network layer

• Data link layer

What is the function of a sensor in the context of network security?

• To distribute network traffic

• To provide a layer of protection to the client

• To capture and analyze malicious traffic

• To act as a hardened server for administrative tasks

What can cause a security device to enter a failure state?

• Power surges, overheating, and physical damage

• Regular maintenance

• Proper configuration and usage

• Lack of network activity

What does "fail-open" mean in the context of a security device failure?

• The device stops all network traffic

• Network or host access is preserved if possible

• The device enters the most secure state available

• The device requires manual reset

What does "fail-closed" mean in the context of a security device failure?

• Network or host access is preserved if possible

• The device stops all network traffic

• Access is blocked or the system enters the most secure state available

• The device operates with reduced functionality

Which mode prioritizes availability over confidentiality and integrity when a security device fails?

• Fail-secure

• Fail-safe

• Fail-open

• Fail-closed