NetFund Lesson 8 - Firewalls

Which of the following is a firewall function?

• Packet filtering

• FTP hosting

• Encrypting

• Frame filtering

• Protocol conversion

Which of the following is the best device to deploy to protect your private network from a public untrusted network?

• Firewall

• Router

• Hub

• Gateway

Which of the following prevents access based on website ratings and classifications?

• NIDS

• DMZ

• Packet-filtering firewall

• Content filter

You are investigating the use of website and URL content filtering to prevent users from visiting certain websites. Which benefits are the result of implementing this technology in your organization? (Choose two.)

• Enforcing the organization's internet usage policy

• An increase in bandwidth availability

• Preventing emails containing threats

• Identifying and disposing of infected content

• Preventing phishing attempts

Which of the following solutions would you implement to track which websites network users are accessing?

• Tarpit

• NIDS

• Packet filtering firewall

• Proxy

You would like to control internet access based on users, time of day, and websites visited. How can you do this?

• Configure the Local Security Policy of each system to add internet restrictions.

• Configure a packet filtering firewall. Add rules to allow or deny internet access.

• Install a proxy server. Allow internet access only through the proxy server.

• Enable Windows Firewall on each system. Add or remove exceptions to control access.

• Configure internet zones using Internet Options.

You manage a server that runs your company website. The web server has reached its capacity, and the number of client requests is greater than the server can handle.

You would like to find a solution so that static web content can be offloaded to a different server while the web server continues to process dynamic content. Which solution should you implement?

• Traffic shaper

• Proxy server

• QoS

• Ethernet bonding

Which of the following functions are performed by proxies? (Select two.)

• Filter unwanted email

• Store client files

• Block unwanted packets from entering your private network

• Cache web pages

• Block employees from accessing certain websites

Which of the following are true of a circuit proxy filter firewall? (Select two.)

• Operates at the Session layer.

• Operates at the Network and Transport layers.

• Operates at the Application layer.

• Verifies sequencing of session packets.

• Examines the entire message contents.

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

• Handles requests from the internet to a server in a private network.

• Clients always know they are using reverse proxy.

• Handles requests from inside a private network out to the internet.

• Sits between a client computer and the internet.

• Can perform load balancing, authentication, and caching.