U2 Review

Front

A user enters a Web address in a browser, and a request for a file is sent to a Web server. Which of the following best describes how the file is sent to the user?

Back

The file is broken into packets for transmission. The packets must be reassembled upon receipt.

Front

Which of the following best explains how data is typically assembled in packets for transmission over the Internet? Each packet contains an encrypted version of the data to be transmitted, along with metadata containing the key needed to decrypt the data., Each packet contains only the metadata used to establish a direct connection so that the data can be transmitted., Each packet contains multiple data files bundled together, along with metadata describing how to categorize each data file., Each packet contains data to be transmitted, along with metadata containing information used for routing the data.

Back

Each packet contains data to be transmitted, along with metadata containing information used for routing the data.

Front

Which of the following explains a benefit of using open standards and protocols for Internet communication?

Back

Open standards and protocols allow different manufacturers and developers to build hardware and software that can communicate with hardware and software on the rest of the network.

Front

The transmission control protocol (TCP) and Internet protocol (IP) are used in Internet communication. Which of the following best describes the purpose of these protocols?

Back

To establish a common standard for sending messages between devices on the Internet

Front

In which of the configurations is it possible to have redundant routing between devices Q and V?

Back

Both configuration I and configuration II

Front

In configuration I, what is the minimum number of connections that must be broken or removed before device T can no longer communicate with device U?

Back

Two

Front

In which configuration is it NOT possible to have redundant routing between computers P and S?

Back

Front

Which of the following best explains the relationship between the Internet and the World Wide Web? Options: The Internet is a network of interconnected networks, and the World Wide Web is a system of linked pages, programs, and files that is accessed via the Internet.

Back

The Internet is a network of interconnected networks, and the World Wide Web is a system of linked pages, programs, and files that is accessed via the Internet.

Front

Two computers are built by different manufacturers. One is running a Web server and the other is running a Web browser. Which of the following best describes the ability of the two computers to communicate with each other across the Internet?

Back

The computers can communicate directly because Internet communication uses standard protocols.