Explain the client/server model. Give three examples of services on Linux systems that take advantage of this model.
What will be an ideal response?
In the client/server model, a client uses a protocol, such as FTP, to request
services, and a server provides the services the client requests.
Examples of client/server model services are X Window System, WWW
(Apache), SSH, FINGER, NTP, PTP, POP, IMAP, and Samba.
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Reverse engineer the requirements of the Heathrow airport luggage system and communicate your results using the Requirements Analysis Document template presented in the lecture.
Questions to ask:
• How are the bags stored after passengers have checked, but before they
enter the plane?
• How are the bags retrieved from the storage area?
• What about existing luggage systems (“legacy systems”)?
• Scalability: How many users should the new luggage system support? How can
this be tested before deployment?
• Throughput: How many suit cases/hour need to be supported?
Case-Based Critical Thinking QuestionsCase 1-2As Cassie begins to develop her first Web site, she has lots of practical questions for her sister Shakira, who has been developing sites for many years. Cassie is having trouble with some of her files being recognized on her Web server and Shakira thinks the problem lies in the filenames. Which of the following is least likely to be a problem?
A. New York1 B. NewYork! C. new_york_1 D. newy@rk
The ONLOAD event fires ________.
(a) when the document finishes loading. (b) whenever an element finishes loading. (c) when the document finishes loading successfully. (d) whenever an element finishes loading successfully.
Which of the following template categories includes photo albums and playback of several video dimensions?
A. Sample Files B. Media Playback C. Animation D. Advertising