What type of device can be used to block unwanted traffic initiated from the Internet and can also restrict Internet access from an internal network?

A. hub
B. switch
C. firewall
D. VPN


Answer: C

Computer Science & Information Technology

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What will be an ideal response?

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Indicate whether the statement is true or false.

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The correct salutation for a letter addressed to a company is ____.

A. Dear Company B. Dear Sir C. Ladies and Gentlemen D. To Whom It May Concern

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In an AVL tree that allows duplicates, insert operations always add duplicates on the right but delete operations can move them to the left.

Answer the following statement true (T) or false (F)

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