AP Comp Sci Quiz

Internet

Internet

The Internet connects devices and networks all over the world

The Internet helps people collaborate to solve problems

The Internet helps people communicate

What is the latency of a system?

The time it takes for a bit to travel from sender to receiver

How is the bandwidth of a network measured

Bitrate. Higher bitrate means higher bandwidth.

What is the bitrate of a system

The amount of data (in bits) that can be sent in a fixed amount of time

What is the Internet Protocol (IP)?

A protocol that defines the structure of an Internet address and assigns a unique address to every device on the Internet

Suppose we used an Internet Addressing protocol that used 4 bits to encode a single address. How many devices would be supported on the Internet? How many unique addresses would there be?

16

What does URL stand for?

Uniform Resource Locator

What is the first step of viewing a web page as described in the video?

The URL: You type the URL for the web page into your browser

What is the second step of viewing a web page as described in the video?

The Request: The browser sends a message to a server requesting a resource

What is the third step of viewing a web page as described in the video?

The Response: The server sends a response to the browser with the resource attached

What is the fourth step of viewing a web page as described in the video?

Rendering the Page: Your browser takes the resource and renders it in the browser window

What is the function of the Domain Name System (DNS)

To translate domain names into IP addresses

According to the Domain Name System (DNS), which of the following is a subdomain of the domain example.com

about.example.com

Internet routing

Routing on the Internet is fault tolerant and redundant

What information is contained in a packet?

A small part of a digital message, and metadata about the message, including where it came from and where it is going

Which is true of sequential computing?

It can be easier to locate errors in programs using this processing method.

Which is true of parallel computing?

There are multiple processors running at the same time.

What is a DNS spoofing attack?

A hacker overwrites the data for a given domain name in a DNS server, causing the IP for that domain to point to the hacker’s website rather than the intended website

What is the purpose of the Digital Millennium Copyright Act?

To criminalize the act of circumventing, or getting around, access controls that block access to copyrighted works.

Which of the following lists the types of copyright license from most restrictive to least restrictive?

All Rights Reserved, Some Rights Reserved, Public Domain

Which of the following actions will help you avoid violation of copyright laws?

Always cite sources

Check the copyright to make sure it can be used by others without permission

Use public domain media