CIW Lesson 3 – Flashcards
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What is the term for an organization that maintains a gateway to the Internet and rents access to customers on a per-use or subscription basis?
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Internet Service Provider (ISP)
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What is term for a device that converts digital data into analog signals and back again?
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Modem
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Which of the following dial-up connection types has been largely superseded by direct Internet connections?
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Integrated Services Digital Network (ISDN)
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Direct Internet connections:
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provide continuous access to the Internet through permanent network connections
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Which of the following wireless mode types uses a centralized access point known as a wireless access point (AP)?
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Infrastructure
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A wireless access point (AP) is:
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A device that enables wireless systems to communicate with each other, provided that they are on the same network
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The 802.11 standard, which was developed by the Institute of Electrical and Electronics Engineers (IEEE), refers to a family of specifications for:
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Wireless network technology
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What are T carriers?
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Dedicated digital telephone lines used in North America
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What are E carriers?
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Dedicated digital telephone lines used in Europe
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What are fractional T and E lines?
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Digital phone lines consisting of one of more individual T or E carrier channels, rather than the entire T or E carrier line.
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A LAN can be connected to the Internet by a router, provided that the LAN uses:
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Transmission Control Protocol/Internet Protocol (TCP/IP)
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For what purpose would you use a cable modem?
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To connect to the internet through your cable television system
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Which of the following statements is true about Digital Subscriber Line (DSL)?
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DSL is similar to Integrated Services Digital Network (ISDN) lines, but DSL is much faster
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What device connects a wireless local area network to a wireless phone network at broadband speeds?
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4G mobile hotspot
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Which of the following connection types provides the fastest direct connection speed?
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Fiber-optic cable
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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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Each segment of a dotted quad consists of a number between:
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0 and 255
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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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How many bits does the Internet Protocol version 6 (IPv6) address format use?
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128
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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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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 protocols is used to transfer files between two computers on the Internet?
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File Transfer Protocol (FTP)
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To which type of server are you usually when you download software programs and documents from Web sites?
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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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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 functions does the Domain Name Server (DNS) perform?
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It resolves IP addresses into easily recognizable text based names.
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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 (FQDN)
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What is the term for the server at the highest level of the Domain Name System (DNS)
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Root-Level Server
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What is the 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 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 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 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 shared domain
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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 is an accurate description of cloud computing?
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Hosting 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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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
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Which of the following is a common advantage of cloud computing?
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Cost Reduction
