Lesson 3 B
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What is a top-level domain in the Domain Name System (DNS)?
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The right-side component of a domain name, which categorizes domains into groups by common type or geography
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Which of the following is used solely to resolve human-readable domain names into their computer-readable IP addresses?
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Domain name servers
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Which of the following services allows multiple companies, organizations or people to share portions of the same domain name?
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A shared domain
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What is the term for the complete domain name of an Internet computer?
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Fully qualified domain name
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Each segment of a dotted quad consists of a number between
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0 and 255
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To which type of server are you usually transferred when you download software programs and documents from Web sites?
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A File Transfer Protocol (FTP) server
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Which of the following server types is responsible solely for sending e-mail messages?
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Simple Mail Transfer Protocol (SMTP) server
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Which of the following protocols enables you to browse and manage e-mail messages while they reside on the server?
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Internet Message Access Protocol (IMAP)
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What is Internet Protocol (IP)?
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The protocol by which data is sent from one computer to another on the Internet
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To what does the term "cloud" in "cloud computing" refer?
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The network of servers and connections that make up the Internet
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Which of the following protocols is used to transfer files between two computers on the Internet?
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File Transfer Protocol (FTP)
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Which of the following protocols can connect an entire network to the Internet?
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Point-to-Point Protocol over Ethernet (PPPoE)
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What is the term for a server at the highest level of the Domain Name System (DNS)?
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Root-level server
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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?
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A virtual domain
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Which of the following top-level domains would generally refer to an Internet Service Provider (ISP)?
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net
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Which of the following protocols is used to transfer Web pages from a Web server to a Web client?
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Hypertext Transfer Protocol (HTTP)
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Which of the following is an accurate description of cloud computing?
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Hosted applications and services offered by a third party and run almost entirely from one or more servers that reside on the Internet
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Which server type provides text output that users can access at their convenience and also allows multi-person input?
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News server
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What function does the Domain Name System (DNS) perform?
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It resolves IP addresses into easily recognizable text-based names.
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How many bits does the Internet Protocol version 6 (IPv6) address format use?
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128
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In an IP address such as 72.44.192.233, the last number in the address (on the far right) identifies:
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a specific computer
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Which of the following is a common advantage of cloud computing?
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Cost reduction
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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?
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Crowdsourcing
