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Home Page Flashcards 6.5 Firewalls

6.5 Firewalls

Niamh Mitchell
19 October 2021
15 test answers

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question
Which of the following is the best device to deploy to protect your private network from a public untrusted network?
answer
Firewall
question
Which of the following are true of a circuit proxy filter firewall?(Select two)
answer
Operates at the Session Layer AND Verifies sequencing of session packets
question
You have just installed a packet-filtering firewall on your network. What options will you be able to set on your firewall? Select all that apply.
answer
Source address of a packet, Destination address of a packet, AND Port Number
question
When designing a firewall, what is the recommended approach for opening and closing ports?
answer
Close all ports; open only ports required by applications inside the DMZ
question
You have a router that is configured as a firewall. The router is a layer 3 device only. Which of the following does the router use for identifying allowed or denied packets?
answer
IP address
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question
Which of the following are characteristics of a packet filtering firewall?(Select two)
answer
Stateless AND Filters IP address and port
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question
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?
answer
Host based firewall
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question
Which of the following functions are performed by proxies?(Select two)
answer
Block employees from accessing certain Web sites AND Cache web pages
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question
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?
answer
Circuit-level
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question
You connect your computer to a wireless network available at the local library. You find that you can access all web sites you want on the Internet except two. What might be causing the problem?
answer
A proxy server is blocking access to the web sites
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question
Which of the following does a router acting as a firewall use to control which packets are forwarded or dropped?
answer
ACL
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question
Which of the following are characteristics of a circuit-level gateway?(Select two)
answer
Filters based on sessions AND Stateful
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question
Which of the following is a firewall function?
answer
Packet filtering
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question
Which of the following firewall types can be a proxy between servers and clients?(Select two)
answer
Application layer firewall AND Circuit proxy filtering firewall
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question
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?
answer
Application level
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Question
What is the right structure for an essay
Answer
A paragraph is a related group of sentences that develops one main idea. Each paragraph in the body of the essay should contain:
  • a topic sentence that states the main or controlling idea
  • supporting sentences to explain and develop the point you’re making
  • evidence from your reading or an example from the subject area that supports your point
  • analysis of the implication/significance/impact of the evidence finished off with a critical conclusion you have drawn from the evidence.