ch. thirteen
web server and services
Summary
■ The Internet is a worldwide network that anyone can use for communication.
■ An intranet is typically a private, Web-based network limited to a select set
of clients.
■ An extranet is a combination of a private and public Web-based network.
■ A Uniform Resource Locator (URL) is a user-friendly name that resolves to
an IP address.
■ A Domain Name System (DNS) server translates URLs to IP addresses.
■ Microsoft Active Directory (AD) relies on the Lightweight Directory Access
Protocol (LDAP) to communicate directory information between clients and
servers.
■ Web servers provide services, such as Web page, file transfer, and e-mail, to
clients.
■ The whois utility provides information about domain name owners.
■ Apache is the most widely used Web server software package.
■ Web browsers are designed to navigate the World Wide Web and to display
Web page contents.
■ Search engines are software applications designed to located relevant Web
pages and Web sites based on search terms.
■ Web-based communication are based on HTTP and HTML standards.
■ The Hypertext Transport Protocol (HTTP) is designed for communication
between a Web client and a Web server.
■ The Hypertext Markup Language (HTML) is a programming language.
■ XML is an enhanced markup language that supports client interaction with
server applications.
■ SOAP is a protocol designed to support XML and run applications on a Web
server.
■ The File Transfer Protocol (FTP) supports file transfers between a client and
an FTP server.
■ TFTP is a simpler version of FTP that uses fewer commands.
■ SFTP securely transfers of data by encrypting user names, passwords, and data.
■ An anonymous FTP site permits file transfers without the need of a required
password or user name.
■ Incoming mail server choices are typically limited to POP3, IMAP, and HTTP.
■ An outgoing mail server is typically an SMTP server.
■ One server may function as both the incoming and outgoing mail server.
Review Questions
Answer the following questions on a separate sheet of paper. Please do not write in this book.
1. What are the three types of networks that provide Web page distribution?
2. A(n) _____ is a network in which employees can only access a company Web
server from within the company.
3. A(n) _____ allows internal access to Web pages and allows authorized
personnel from outside the network to access the network’s Web pages.
4. What is the purpose of a DNS server?
5. What protocol is common to Microsoft Active Directory (AD)?
6. What is the purpose of a Web server?
7. What does the whois utility do?
8. What are some things to consider when choosing to set up your own Web
server rather than choosing to use a Web hosting service?
9. Name three ways to conduct a whois search?
10. Name two software packages that are designed to turn a server into a Web
server?
11. What does the acronym IIS represent?
12. What is the name of the default Web server software installed on a Microsoft
server?
13. What are the two most common Web browsers?
14. What is the difference between HTML and HTTP?
15. What is a markup?
16. What is the purpose of HTML tags?
17. What does the acronym W3C represent?
18. What is the difference between HTML and XML?
19. SOAP is closely associated with which markup language?
20. What is an anonymous FTP site?
21. What protocol is used to send e-mail to a mail server or to transfer e-mail
from one mail server to another mail server?
22. What protocols download e-mail from a server?
23. Which e-mail protocol is used to download e-mail automatically without the
option to store it on the mail server?
24. How does MIME enhance e-mail?
■ The Internet is a worldwide network that anyone can use for communication.
■ An intranet is typically a private, Web-based network limited to a select set
of clients.
■ An extranet is a combination of a private and public Web-based network.
■ A Uniform Resource Locator (URL) is a user-friendly name that resolves to
an IP address.
■ A Domain Name System (DNS) server translates URLs to IP addresses.
■ Microsoft Active Directory (AD) relies on the Lightweight Directory Access
Protocol (LDAP) to communicate directory information between clients and
servers.
■ Web servers provide services, such as Web page, file transfer, and e-mail, to
clients.
■ The whois utility provides information about domain name owners.
■ Apache is the most widely used Web server software package.
■ Web browsers are designed to navigate the World Wide Web and to display
Web page contents.
■ Search engines are software applications designed to located relevant Web
pages and Web sites based on search terms.
■ Web-based communication are based on HTTP and HTML standards.
■ The Hypertext Transport Protocol (HTTP) is designed for communication
between a Web client and a Web server.
■ The Hypertext Markup Language (HTML) is a programming language.
■ XML is an enhanced markup language that supports client interaction with
server applications.
■ SOAP is a protocol designed to support XML and run applications on a Web
server.
■ The File Transfer Protocol (FTP) supports file transfers between a client and
an FTP server.
■ TFTP is a simpler version of FTP that uses fewer commands.
■ SFTP securely transfers of data by encrypting user names, passwords, and data.
■ An anonymous FTP site permits file transfers without the need of a required
password or user name.
■ Incoming mail server choices are typically limited to POP3, IMAP, and HTTP.
■ An outgoing mail server is typically an SMTP server.
■ One server may function as both the incoming and outgoing mail server.
Review Questions
Answer the following questions on a separate sheet of paper. Please do not write in this book.
1. What are the three types of networks that provide Web page distribution?
2. A(n) _____ is a network in which employees can only access a company Web
server from within the company.
3. A(n) _____ allows internal access to Web pages and allows authorized
personnel from outside the network to access the network’s Web pages.
4. What is the purpose of a DNS server?
5. What protocol is common to Microsoft Active Directory (AD)?
6. What is the purpose of a Web server?
7. What does the whois utility do?
8. What are some things to consider when choosing to set up your own Web
server rather than choosing to use a Web hosting service?
9. Name three ways to conduct a whois search?
10. Name two software packages that are designed to turn a server into a Web
server?
11. What does the acronym IIS represent?
12. What is the name of the default Web server software installed on a Microsoft
server?
13. What are the two most common Web browsers?
14. What is the difference between HTML and HTTP?
15. What is a markup?
16. What is the purpose of HTML tags?
17. What does the acronym W3C represent?
18. What is the difference between HTML and XML?
19. SOAP is closely associated with which markup language?
20. What is an anonymous FTP site?
21. What protocol is used to send e-mail to a mail server or to transfer e-mail
from one mail server to another mail server?
22. What protocols download e-mail from a server?
23. Which e-mail protocol is used to download e-mail automatically without the
option to store it on the mail server?
24. How does MIME enhance e-mail?