Computer Network Specialist
Network+ Exam Objectives
San Antonio College of Medical & Dental Assistants
Information Technology Department


This examination blueprint includes weighting, test objectives, and example content. Example topics and concepts are included to clarify the test objectives, they should not be construed as a comprehensive listing of the content of this examination. The blueprint may undergo additional minor modifications during the final test development workshop.

The table below lists the domains measured by this examination and the approximate extent to which they are represented.

Domain % of Examination (approximately)
1.0 I-Net Basics 10%
2.0 I-Net Clients 20%
3.0 Development 20%
4.0 Networking 25%
5.0 I -Net Security 15%
6.0 Business Concepts 10%

Domain 1.0 I-NET BASICS

1.1. Describe a URL, its functions and components, different types of URLs, and use of the appropriate type of URL to access a given type of server.

Content may include the following:

  • Protocol
  • Address
  • Port

1.2. Identify the issues that affect Internet site functionality (e.g., performance, security and reliability).

Content may include the following:

  • Bandwidth
  • Internet connection points
  • Audience access
  • Internet Service Provider (ISP)
  • Connection types
  • Corrupt files
  • Files taking too long to load
  • Inability to open files
  • Resolution of graphics

1.3. Describe the concept of caching and its implications.

Content may include the following:

  • Server caching
  • Client caching
  • Proxy caching
  • Cleaning out client-side cache
  • Server may cache information as well
  • Web page update settings in browsers

1.4. Describe different types of search indexes - static index/site map, keyword index, full text index.

Examples could include the following:

  • Searching your site
  • Searching content
  • Indexing your site for a search

DOMAIN 2.0 I-NET CLIENTS

2.1. Describe the infrastructure needed to support an Internet client.

Content could include the following:

  • TCP/IP stack
  • Operating system
  • Network connection
  • Web browser
  • E-mail
  • Hardware platform (PC, handheld device, WebTV, Internet phone)

2.2. Describe the use of Web browsers and various clients (e.g.,, FTP clients, Telnet clients, email clients, all-in-one clients/universal clients) within a given context of use.

Examples of context could include the following:

  • When you would use each
  • The basic commands you would use (e.g., put and get) with each client (e.g., FTP, Telnet)

2.3. Explain the issues to consider when configuring the desktop.

Content could include the following:

  • TCP/IP configuration (NetBIOS name server such as WINS, DNS, default gateway, subnet mask
  • Host file configuration
  • DHCP versus static IP
  • Configuring browser (proxy configuration, client-side caching)

2.4. Describe MIME types and their components.

Content could include the following:

  • Whether a client can understand various email types (MIME, HTML, uuencode)
  • The need to define MIME file types for special download procedures such as unusual documents or graphic formats

2.5. Identify problems related to legacy clients (e.g., TCP/IP sockets and their implication on the operating system).

Content could include the following:

  • Checking revision date, manufacturer/vendor
  • Troubleshooting and performance issues
  • Compatibility issues
  • Version of the Web browser

2.6. Explain the function of patches and updates to client software and associated problems.

Content could include the following:

  • Desktop security
  • Virus protection
  • Encryption levels
  • Web browsers
  • E-mail clients

2.7. Describe the advantages and disadvantages of using a cookie and how to set cookies.

Content could include the following:

  • Setting a cookie without the knowledge of the user
  • Automatically accepting cookies versus query
  • Remembering everything the user has done
  • Security and privacy implications

DOMAIN 3.0 DEVELOPMENT

3.1. Define programming-related terms as they relate to Internet applications development.

Content could include the following:

  • API
  • CGI
  • SQL
  • SAPI
  • DLL - dynamic linking and static linking
  • Client and server-side scripting

3.2. Describe the differences between popular client-side and server-side programming languages.

Examples could include the following:

  • Java
  • JavaScript
  • Perl
  • C
  • C++
  • Visual Basic
  • VBScript
  • Jscript
  • XML
  • VRML
  • ASP

Content could include the following:

  • When to use the languages
  • When they are executed

3.3. Describe the differences between a relational database and a non-relational database.

3.4. Identify when to integrate a database with a Web site and the technologies used to connect the two.

3.5. Demonstrate the ability to create HTML pages.

Content could include the following:

  • HTML document structure
  • Coding simple tables, headings, forms
  • Compatibility between different browsers
  • Difference between text editors and GUI editors
  • Importance of creating cross-browser coding in your html

3.6. Identify popular multimedia extensions or plug-ins.

Examples could include the following:

  • QTVR (quick time)
  • Flash
  • Shockwave
  • RealPlayer
  • Windows Media Player

3.7. Describe the uses and benefits of various multimedia file formats.

Examples could include the following:

  • GIF
  • GIF89a
  • JPEG
  • PNG
  • PDF
  • RTF
  • TIFF
  • PostScript
  • EPS
  • BMP
  • MOV
  • MPEG
  • AVI
  • BINHex
  • Streaming media
  • Non-streaming media

3.8. Describe the process of pre-launch site/application functionality testing.

Content could including the following:

  • Checking hot links
  • Testing different browsers
  • Testing to ensure it does not corrupt your e-commerce site
  • Load testing Access to the site
  • Testing with various speed connections

DOMAIN 4.0 NETWORKING AND INFRASTRUCTURE

4.1. Describe the core components of the current Internet infrastructure and how they relate to each other.

Content may include the following:

  • Network access points
  • Backbone

4.2. Identify problems with Internet connectivity from source to destination for various types of servers.

Examples could include the following:

  • E-mail
  • Slow server
  • Website

4.3. Describe Internet domain names and DNS.

Content could include the following:

  • DNS entry types
  • Hierarchical structure
  • Role of root domain server
  • Top level or original domains - edu, com, mil, net, gov, org
  • Country level domains -- .UK

4.4. Describe the nature, purpose, and operational essentials of TCP/IP.

Content could include the following:

  • What addresses are and their classifications (A, B, C,D)
  • Determining which ones are valid and which ones are not (subnet masks)
  • Public versus private IP addresses

4.5. Describe the purpose of remote access protocols.

Content could include the following:

  • SLIP
  • PPP
  • PPTP
  • Point-to-point/multipoint

4.6. Describe how various protocols or services apply to the function of a mail system, Web system, and file transfer system.

Content could include the following:

  • POP3
  • SMTP
  • HTTP
  • FTP
  • NNTP (news servers)
  • TCP/IP
  • LDAP
  • LPR
  • Telnet
  • Gopher

4.7. Describe when to use various diagnostic tools for identifying and resolving Internet problems.

Content could include the following:

  • Ping
  • WinIPCfg
  • IPC Config
  • ARP
  • Trace Routing Utility
  • Network Analyzer
  • Netstat

4.8. Describe hardware and software connection devices and their uses.

Content could include the following:

  • Network interface card
  • Various types of modems including analog, ISDN, DSL, and cable
  • Modem setup and commands
  • Adapter
  • Bridge
  • Internet-in-a-box
  • Cache-in-a-box
  • Hub
  • Router
  • Switch
  • Gateway
  • NOS
  • Firewall

4.9. Describe various types of Internet bandwidth technologies (link types).

Content could include the following:

  • T1/E1
  • T3/E3
  • Frame relay
  • X.25
  • ATM
  • DSL

4.10. Describe the purpose of various servers - what they are, their functionality, and features.

Content could include the following:

  • Proxy
  • Mail
  • Mirrored
  • Cache
  • List
  • Web (HTTP)
  • News
  • Certificate
  • Directory (LDAP)
  • E-commerce
  • Telnet
  • FTP

DOMAIN 5.0 I-NET SECURITY

5.1. Define the following Internet security concepts: access control, encryption, auditing and authentication, and provide appropriate types of technologies currently available for each.

Examples could include the following:

  • Access control - access control list, firewall, packet filters, proxy
  • Authentication - certificates, digital signatures, non-repudiation
  • Encryption - public and private keys, secure socket layers (SSL), S/MIME, digital signatures, global versus country-specific encryption standards
  • Auditing - intrusion detection utilities, log files, auditing logs
  • SET (Secure Electronic Transactions)

5.2. Describe VPN and what it does.

Content could include the following:

  • VPN is encrypted communications
  • Connecting two different company sites via an Internet VPN (extranet)
  • Connecting a remote user to a site

5.3. Describe various types of suspicious activities.

Examples could include the following:

  • Multiple login failures
  • Denial of service attacks
  • Mail flooding/spam
  • Ping floods
  • Syn floods

5.4. Describe access security features for an Internet server (e.g., email server, Web server).

Examples could include the following:

  • User name and password
  • File level
  • Certificate
  • File-level access: read, write, no access

5.5. Describe the purpose of anti-virus software and when to use it.

Content could include the following:

  • Browser/client
  • Server

5.6. Describe the differences between the following as they relate to security requirements:

  • Intranet
  • Extranet
  • Internet

DOMAIN 6.0 BUSINESS CONCEPTS

6.1. Explain the issues involved in copyrighting, trademarking, and licensing.

Content could include the following:

  • How to license copyright materials
  • Scope of your copyright
  • How to copyright your material anywhere
  • Consequences of not being aware of copyright issues, not following copyright restrictions

6.2. Identify the issues related to working in a global environment.

Content could include the following:

  • Working in a multi-vendor environment with different currencies, etc.
  • International issues - shipping, supply chain
  • Multi-lingual or multi-character issues (Unicode)
  • Legal and regulatory issues

6.3. Define the following Web-related mechanisms for audience development (i.e., attracting and retaining an audience):

  • Push technology
  • Pull technology

6.4. Describe the differences between the following from a business standpoint:

  • Intranet
  • Extranet
  • Internet

6.5. Define e-commerce terms and concepts

Content could include the following:

  • EDI
  • Business to Business
  • Business to Consumer
  • Internet commerce
  • Merchant systems
  • Online Cataloging
  • Relationship management
  • Customer self-service
  • Internet marketing


Last updated: Friday, March 03, 2000

E-Mail SACMDA-SA IT Instructors:

Tere Prasse
Mike Foxworth
Jack Mayfield

Al Somers