13 Web servers and Services Introduction For the Network Certification Exam, you should be familiar with the purpose and use of protocols related to web servers and services. For example, you should be knowledgeable about web service protocols such as HTTP and HTTPS and e-mail service protocols such as IMAP, POP3, SFTP, and SMTP Practice 13.1 Using the words inter, intra, and extra, identify the following characteristics as belonging to an Internet (inter). intranet (intra), and extranet (extra). 1. Referred to as the World Wide Web. A private network that services a specific group of users within a LAN. 3. Allows internal access to web pages while simultaneously allowing authorized personnel from outside the network to access the network's web pages. Allow employees, business partners (other businesses), and customers access to the intranet from outside the network, through the Internet. A collection of interconnected networks from all around the world. Can be accessed by the general public. 2 4. 5. 6. Practice 13.2 Use the terms in the word bank to label the parts of the following URL. domain name path port protocol resource URL http://www.g-w.com/contact/contact.aspx:80 b. c. d. e Copyright Goodheart-Wilcox Co., Inc. May not be reproduced or posted to a publicly accessible website 98 Practice 13.3 Match the web communications term to its definition. 1. CSS Protocol designed for communication between a 2. HTML web browser and a web server 3. HTTP b. Markup language based on the same principles HTML with the added ability to create custom 4. JavaScript tags 5. NNTP c. Style-sheet language that defines the presentation and layout of all pages in a website 6. SGML d. Set of rules constructed from XML for web-based 7. SOAP messages that allows a client to freely interact 8. XML. with a web page on the web server e Programming language used to create web pages E Protocol designed to distribute news messages to NNTP clients and NNTP servers across the Internet Original standard for both HTML and XML h. Special software and device used to connect two normally incompatible e-mail systems i. Programming language that is designed to be embedded into an HTMI. web page and allow the user to interact with the web page Practice 13.4 For each of the following select the word that best completes the sentence. Terms may be used more than once. HTML tag hyperlink Hypertext Markup Language (HTML) Hypertext Transfer Protocol (HTTP) newsgroup search engine web browser web server website 1. An example of a(n) is 2. Apache HTTP Server and Microsoft Internet Information Services (IIS) are examples of software. 3. A(n) is a location on the World Wide Web that contains a collection of web pages and files, which can be accessed through the Internet. 4. A(n) permits the user to navigate the World Wide Web and then interprets and displays web pages. 5. Google is an example of a(n) 6. Google Chrome is an example of a(n) 7. When a user clicks a(n) on a web page, the web browser automatically replaces the current web page with the web page designated in the Jumps" to a specified area within the web page. or