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What is a web server? What is a proxy server? What is the difference between the application server and internet information server? What type of IP address should be assigned to a web server? What are the famous web servers? Can a Server be both an FTP Server and a Web Server? What is xeon based web server? What are some types of web servers? What does the acronym URL stand for? unknown reference location uniform resource locator unfamiliar rodent lounge Correct: uniform resource locator The letters URL stand for uniform resource locator. A URL is like an address and represents a specific Internet resource. What is the common term for the core infrastructure of the Internet? backbone master control program (MCP) the matrix Correct: backbone The core of the Internet is the backbone, a system of fiber-optic lines, cables, satellite links and Internet service providers that connect the various networks on the Internet together. The series of numbers representing a Web address are better known as what? URL IP address HTTP Correct: IP address Web servers locate specific Web pages with Internet Protocol (IP) addresses, which are written out as a series of numbers. What are the four numbers in an IP address commonly called? complex numbers rational numbers octets Correct: octets The four numbers in an IP address are called octets because they can have values from 0 to 255. The number of possible values is therefore 2 to the 8th power. What is the command on a Unix machine to see a machine's current IP address? ifconfig IPCONFIG ipretrieve Correct: ifconfig Unix users can type in ifconfig and the name of the machine at the command prompt to see their current IP address. A Windows XP user would need to use the IPCONFIG.EXE command. What kind of servers make it possible to create Web addresses using words instead of numbers? FTP servers domain name servers XML servers Correct: domain name servers We can thank domain name servers (DNS) for making it possible to type in an address like www.howstuffworks.com instead of a long series of numbers. What are the three parts of a Web site's address? host name, folder name, subfolder name domain name, subdomain name, machine address host name, domain name, top-level domain name Correct: host name, domain name, top-level domain name The three parts include the host name, the domain name, and the top-level domain name (.com or .org, for example). What do server machines use to designate each of their services? routers ports hubs Correct: ports Server machines use numbered ports for each of their services. For example, a server machine running a Web server and an FTP server will use different port numbers for each service. What's the term for the security measure that hides the identity of sensitive information sent across Web servers? distortion ciphers encryption Correct: encryption Web servers use encryption to keep sensitive information secure. To decode encrypted information, a machine must have the proper encryption key. What is the term for a machine that contacts a server for information? client master host Correct: client A machine asking for information from a server is a client. Machines can act as both clients and servers, depending on what action they're performing at the time. |