Transcript Chapter 15 Maintaining a Web Site

15
Maintaining a Web Site
YOU WILL LEARN TO…
Section 15.1
• Identify Webmastering tasks
• Identify Web server maintenance techniques
• Describe the importance of backups
Section 15.2
• Identify guidelines for updating a site
• Explain the purpose of archiving a Web site
• Edit and update a Web page
Section 15.3
• Identify Web access controls
• Create a login screen
pp.
Section
15.1
Web Server Maintenance
Focus on Reading
Main Ideas
Key Terms
A Webmaster’s primary
responsibility is Web
server maintenance.
Maintenance includes
diagnosing and repairing
a server’s hardware and
software, and backing up
critical system data.
hot-swappable hard
drives
hard drive mirroring
backup
incremental backup
424-427
pp.
Section
15.1
424-427
Web Server Maintenance
Maintaining a Web Server
Webmasters are responsible for Web server maintenance.
A Web server’s primary function is to upload and
download files. This depends on two components:
• Communication hardware
• Communication software
pp.
Section
15.1
424-427
Web Server Maintenance
Maintaining a Web Server
Webmasters can use hotswappable hard drives
or hard drive mirroring
to maintain storage.
hot-swappable hard
drives System used by
some Web servers that
contains multiple hard
drives; allows a Webmaster
to replace one drive for
another in case of failure of
the drive. (p. 425)
hard drive mirroring
Writing to more than one
hard drive at the same time;
ensures reliability and keeps
Web servers fully functional
at all times. (p. 425)
pp.
Section
15.1
424-427
Web Server Maintenance
Maintaining a Web Server
Webmasters can protect
critical data by making
data backups and
incremental backups.
backup A copy of a specific
set of data, usually stored in
a different place such as a
tape, CD-ROM, or another
hard drive. (p. 426)
incremental backup
Copies only the data that
has changed since the last
full backup to the backup
device. (p. 426)
pp.
Section
15.1
Web Server Maintenance
• Activity 15A – Research Webmaster Jobs (p. 427)
424-427
pp.
Section 15.1 Web Server Maintenance
Section Assessment
Examine What is the
primary function of a
Web server?
A. to maintain storage
B. to copy data
C. to upload and
download files
D. to ensure reliability
C. to upload and
download files
424-427
pp.
Section
15.2
Updating Information
Focus on Reading
Main Ideas
Key Terms
Published Web sites
require regular updating.
Webmasters often archive
rather than discard the
elements they remove.
Preparing technical
documentation is an
important part of Web site
maintenance.
file management
direct server update
local client update
archiving
429-432
pp.
Section
15.2
429-432
Updating Information
Guidelines for Updating a Site
Visitors return to sites that contain dynamic information.
Consider the following guidelines for updating your site:
• Think about how your changes will benefit your visitors.
• Frequently update content elements such as the site’s graphics,
text, last-updated date, and recommended links.
• Try to maintain the site’s overall structure, navigation bars,
logos, color schemes, and contact information.
• Schedule for regular updates.
pp.
Section
15.2
429-432
Updating Information
Managing and Archiving Web Files
A comprehensive Web
maintenance plan should
include a strategy for file
management.
There are two methods for
updating Web page files:
direct server update and
local client update.
file management The process
of creating, naming, moving,
updating, and deleting files on a
computer system. (p. 430)
direct server update The act of
updating or revising a Web
site’s files directly on the Web
server where the site resides.
(p. 430)
local client update The
process of revising Web pages
by copying the files from the
Web server to a local (client)
workstation, updating the files
on the local workstation, and
uploading the revised files to
the Web server. (p. 430)
pp.
Section
15.2
429-432
Updating Information
Managing and Archiving Web Files
It is important to archive
your Web pages. You can
use the old pages as
templates for new pages.
Remember to archive the
HMTL pages as well as
the associated files and
folders.
archiving The process of
saving and storing old Web
pages and their
components. (p. 432)
pp.
Section
15.2
429-432
Updating Information
Managing and Archiving Web Files
Many Web sites provide various forms of technical
documentation to accompany their goods and services.
Documentation can be an essential part of an effective
Web site.
pp.
Section
15.2
429-432
Updating Information
• Activity 15B – Download and Upload Files from a Remote
Server (p. 430)
pp.
Section 15.2 Updating Information
Section Assessment
Identify If you
_________ old pages,
you can use them as
templates for new
pages.
A. update
B. manage
C. publish
D. archive
D. archive
429-432
pp.
Section
15.3
433-436
Keeping a Web Site Secure
Focus on Reading
Main Ideas
Key Terms
Many Web sites collect
valuable information about
the Web surfers who visit
them. Part of a
Webmaster’s job is
keeping this personal data
secure from unauthorized
access.
access control
password
user authentication
global access control
pp.
Section
15.3
433-436
Keeping a Web Site Secure
Controlling Access to a Site
Webmasters can use
various methods of
access control.
Passwords are a
common form of access
control.
access control A security
measure in which a site’s
availability is restricted to a
specific set of authorized users.
(p. 433)
password A set of letters or
numbers that a user enters to
gain access to a Web site.
(p. 433)
pp.
Section
15.3
433-436
Keeping a Web Site Secure
Controlling Access to a Site
For user authentication, the
computer compares the
password entered to the one
on file.
Using global access
control can enhance a Web
site’s security.
user authentication The
process of checking the
password the user enters against
the one assigned to the user.
(p. 433)
global access control A security
measure in which groups of
users are granted or denied
access to computer system data;
different groups of users are
often given different levels of
access to system data. (p. 435)
pp.
Section
15.3
433-436
Keeping a Web Site Secure
Ethics and Webmastering
The need for Web site security is well established, as is
the technology to implement such security.
The question still remains as to how much security any
given Web site publisher should be required to provide.
Webmasters often must make ethical decisions when
monitoring Web sites.
pp.
Section
15.3
Keeping a Web Site Secure
• Activity 15C – Create a Login Screen (p. 434)
433-436
pp.
Section 15.3 Keeping a Web Site Secure
Section Assessment
Identify ____________
is a screening measure
in which a site’s
availability is restricted
to specific authorized
users.
A. Password checking
B. Accessibility
monitoring
C. User authentication
D. Access control
D. Access control
433-436
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Maintaining a Web Site
Chapter Review
True/False Part of a
Webmaster’s job is
keeping users’ personal
data secure from
unauthorized users.
True. Part of the
Webmaster’s job is to
use various methods
of access control to
keep users’ personal
data secure from
unauthorized access.
15
Maintaining a Web Site
Chapter Review
Summarize Why is it
important to update and
maintain a Web site on
a regular basis?
Visitors are more
likely to return to
sites that are
regularly updated.
Content elements
such as graphics,
external links, and
text should remain
current.
15
Maintaining a Web Site
Resources
For more resources on this chapter, go to the Introduction
to Web Design Using Dreamweaver Web site at
WebDesignDW.glencoe.com.