6.1.8 Practice Questions

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Which of the following is true about a network-based firewall?

A network-based firewall is installed at the edge of a private network or network segment.

How does a proxy server differ from a packet-filtering firewall?

A proxy server operates at the Application layer, while a packet-filtering firewall operates at the Network layer.

Which of the following does the sudo iptables -F command accomplish?

Clears all the current rules.

Which of the following chains is used for incoming connections that aren't delivered locally?

Forward

Which of the following are true about reverse proxy? (Select two.)

Handles requests from the internet to a server on a private network. Can perform load balancing, authentication, and caching.

You have been given a laptop to use for work. You connect the laptop to your company network, use the laptop from home, and use it while traveling. You want to protect the laptop from internet-based attacks. Which solution should you use?

Host-based firewall

Which options are you able to set on a firewall? (Select three.)

Packet destination address Port number Packet source address

Based on the diagram, which type of proxy server is handling the client's request?

Reverse proxy server

Which device combines multiple security features, such as anti-spam, load-balancing, and antivirus, into a single network appliance?

Unified Threat Management (UTM)

Which of the following is true about a firewall?

You must manually specify which traffic you want to allow through the firewall. Everything else is blocked.


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