The ____ Firewall Is Essentially a Router That Has Been

question 9

Multiple Choice

The ____ firewall is essentially a router that has been programmed to filter out certain IP addresses or TCP port numbers.

• A) proxy server
• B) switch
• C) packet filter
• D) hub

---

Definitions:

Nucleotides

The basic building blocks of nucleic acids like DNA and RNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

Purines

A type of nitrogenous base found in DNA and RNA, including adenine and guanine, which pair with pyrimidines.

Pyrimidines

One of the two classes of nitrogenous bases found in nucleic acids, including cytosine, thymine (in DNA), and uracil (in RNA).

Bacteriophages

Viruses that infect and replicate within bacteria.