Lesson 3 B

What is a top-level domain in the Domain Name System (DNS)?
The right-side component of a domain name, which categorizes domains into groups by common type or geography
Which of the following is used solely to resolve human-readable domain names into their computer-readable IP addresses?
Domain name servers
Which of the following services allows multiple companies, organizations or people to share portions of the same domain name?
A shared domain
What is the term for the complete domain name of an Internet computer?
Fully qualified domain name
Each segment of a dotted quad consists of a number between
0 and 255
To which type of server are you usually transferred when you download software programs and documents from Web sites?
A File Transfer Protocol (FTP) server
Which of the following server types is responsible solely for sending e-mail messages?
Simple Mail Transfer Protocol (SMTP) server
Which of the following protocols enables you to browse and manage e-mail messages while they reside on the server?
Internet Message Access Protocol (IMAP)
What is Internet Protocol (IP)?
The protocol by which data is sent from one computer to another on the Internet
To what does the term “cloud” in “cloud computing” refer?
The network of servers and connections that make up the Internet
Which of the following protocols is used to transfer files between two computers on the Internet?
File Transfer Protocol (FTP)
Which of the following protocols can connect an entire network to the Internet?
Point-to-Point Protocol over Ethernet (PPPoE)
What is the term for a server at the highest level of the Domain Name System (DNS)?
Root-level server
Which of the following services are you using when a third party is hosting your Web site but your company has its own Web address with its own domain name?
A virtual domain
Which of the following top-level domains would generally refer to an Internet Service Provider (ISP)?
net
Which of the following protocols is used to transfer Web pages from a Web server to a Web client?
Hypertext Transfer Protocol (HTTP)
Which of the following is an accurate description of cloud computing?
Hosted applications and services offered by a third party and run almost entirely from one or more servers that reside on the Internet
Which server type provides text output that users can access at their convenience and also allows multi-person input?
News server
What function does the Domain Name System (DNS) perform?
It resolves IP addresses into easily recognizable text-based names.
How many bits does the Internet Protocol version 6 (IPv6) address format use?
128
In an IP address such as 72.44.192.233, the last number in the address (on the far right) identifies:
a specific computer
Which of the following is a common advantage of cloud computing?
Cost reduction
What is the name of the problem-solving model in which a task ordinarily performed by one person is outsourced to a large group or community in order to obtain and analyze large amounts of data?
Crowdsourcing