AP CSP The Internet Review

Why was IPv6 introduced as the new version of the Internet Protocol?

• With only 32-bit IP addresses, the older version could not support the large number of devices connecting to the Internet.

• The new version features advanced techniques to redirect network traffic, making the Internet faster and easier to use.

• While not available everywhere, the new version enables devices to access the Internet using personalized IP addresses.

• The new version categorizes IP addresses, which makes them easier to remember and locate.

HTTP is an acronym for Hypertext Transfer Protocol. Of the following, which is the best definition of HTTP?

• HTTP is a protocol used to create and implement web pages.

• HTTP is the protocol for translating a web page’s address to an Internet Protocol address.

• HTTP is the protocol for communicating with web servers and transferring web pages and other data back to a browser.

• HTTP is the address most people use to access a web page.

What is the most useful reason for the Domain Name System?

• Domain names make the Internet more organized.

• Domain names make the work of search engines like Google possible.

• Domain names are easier for humans to remember than the IP addresses of frequently visited websites.

• Domain names must be applicable to their site content.

Which of the following statements are true of the standards of the Internet?

Select TWO answers.

• Internet standards ensure that hardware and software created by different companies will be able to communicate with each other online.

• Internet standards are specific procedures and rules that are created in order to benefit the Internet community.

• Internet standards cannot be altered or removed once they are created.

• Internet standards are written by one company with little to no outside feedback.

The new version of the Internet Protocol, IPv6, allows for IP addresses that are 128 bits long.

How many possible IP addresses are available with IPv6?

• 2¹²⁷

• 2¹²⁸

• 8¹²⁸

• 2¹²⁸-1

DNS stands for Domain Name System, and it is used to translate domain names into IP addresses. If a domain name is college.edu, which of the following would be a subdomain of this domain?

• college.edu/admissions

• college.majors.edu

• athletics.college.edu

• college.net

Which of the following best describes the basic idea of fault-tolerance?

• A system that never fails.

• If part of the system fails, the operation continues without interruption.

• A program that does not allow inputs out of a range given by the programmer.

• A program that does not allow loss of precision.

Which of the following statements is an accurate interpretation of bandwidth speed?

• The type of Internet service provided by a company.

• The number of files that can be downloaded in a set amount of time.

• The time it takes a piece of data to reach its destination.

• The rate at which data is downloaded in a set amount of time.

Andrew uses an application to track how long it takes a packet to travel from him computer to a Wikipedia server.

Which of the following is he measuring with this application?

• bandwidth

• latency

• number of packets

• router speed

Each packet being routed around the Internet contains header information about the packet itself, and it also contains part of the file being transferred (which is called its payload). Imagine that you are sending an image of a basketball player from computer A to computer B across the Internet. Of the following, which information would be contained in each packet’s header?

Select TWO answers.

• The color of the upper-left pixel of the image.

• The IP address of the destination computer.

• The sequence number of the packet in relation to all the other packets of the image.

• The name of the basketball player represented in the image.