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Your company has a connection to the internet that allows users to access the internet. You also have a web server and an email server that you want to make available to the internet users. You want to created a DMZ for these two servers. Which type of device should you use to create the DMZ?

Network-based firewall

Which of the following is a firewall function?

Packet filtering

You manage a small network at work. Users use workstations connected to your network. No portable computers are allowed. As part of your security plan, you would like to implement scanning of e-mails for all users. You want to scan the e-mails and prevent any e-mails with malicious attachments from being received by users. Your solution should minimize administration, allowing you to centrally manage the scan settings. Which solution should you use?

Network based firewall

Which of the following are characteristics of a circuit-level gateway? (Select two.)

Filters based on sessions Stateful

Which of the following are characteristics of a packet filtering firewall? (Select two.)

Filters IP address and port Stateless

You want to install a firewall that can reject packets that are not part of an active session. Which type of firewall should you use?


You provide Internet access for a local school. You want to control Internet access based on user, and prevent access to specific URLs. Which type of firewall should you install?


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


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

Host based firewall

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

Operates at the Session Layer Verifies sequencing of session packets

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

Install a proxy server. Allow Internet access only though the proxy server.

Which of the following does a router acting as a firewall use to control which packets are forwarded or dropped?


Which of the following describes how access lists can be used to improve network security?

An access list filters traffic based on the IP header information such as source or destination IP address, protocol, or socket numbers.

When designing a firewall, what is the recommended approach for opening and closing ports?

Close all ports; open only ports required by applications inside the DMZ

Which of the following firewall types can be a proxy between servers and clients?(Select two)

Application layer firewall AND Circuit proxy filtering firewall

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