Network Administrator Street Smarts: A Real World Guide to CompTIA Network+ Skills

Develop the skills you need in the real world

Hit the ground running with the street-smart training you'll find in this practical book. Using a "year in the life" approach, it gives you an inside look at network administration, with key information organized around the actual day-to-day tasks, scenarios, and challenges you'll face in the field. This valuable training tool is loaded with hands-on, step-by-step exercises covering all phases of network administration, including:

• Designing a network
• Implementing and configuring networks
• Maintaining and securing networks
• Troubleshooting a network

An invaluable study tool

This no-nonsense book also covers the common tasks that CompTIA expects all its Network+ candidates to know how to perform.

So whether you're preparing for certification or seeking practical skills to break into the field you'll find the instruction you need, including:

• Choosing an Internet access technology
• Configuring wireless components
• Determining optimal placement of routers and servers
• Setting up hubs, switches, and routers
• Configuring a Windows® client
• Troubleshooting your network

The Street Smarts series is designed to help current or aspiring IT professionals put their certification to work for them. Full of practical, real world scenarios, each book features actual tasks from the field and then offers step-by-step exercises that teach the skills necessary to complete those tasks. And because the exercises are based upon exam objectives from leading technology certifications, each Street Smarts book can be used as a lab manual for certification prep.

Table of Contents

Introduction.

Phase 1 Designing an Internetwork 1

Task 1.1: Drawing an Internetwork.

Task 1.2: Identifying Network Components.

Task 1.3: Differentiating Ethernet Devices.

Task 1.4: Discovering and Filtering MAC Addresses.

Task 1.5: Applying the OSI Model.

Task 1.6: Developing an IP Addressing Scheme.

Task 1.7: Designing a VLAN Scheme.

Phase 2 Implementing and Configuring the Design 51

Task 2.1: Assigning IP Addresses.

Task 2.2: Naming Network Devices.

Task 2.3: Installing Wireless NICs.

Task 2.4: Measuring Wireless Signal Strength.

Task 2.5: Implementing Bluetooth.

Task 2.6: Implementing Ad Hoc Wireless Networking.

Task 2.7: Using an Analog Modem.

Task 2.8: Using a DSL Modem.

Task 2.9: Using a Router as a Frame Relay Switch.

Task 2.10: Simulating T1 CSU/DSUs.

Phase 3 Maintaining and Securing The Network 137

Task 3.1: Creating Local User Accounts.

Task 3.2: Creating Local User Groups.

Task 3.3: Managing Access to Resources.

Task 3.4: Disabling Local User Accounts.

Task 3.5: Setting Password Restrictions.

Task 3.6: Mitigating the Ping of Death.

Task 3.7: Securing Links between Routers.

Task 3.8: Guarding against SYN Flood Attacks.

Task 3.9: Implementing File-Level Encryption.

Task 3.10: Establishing Data Encryption between Routers.

Task 3.11: Creating Data Backups.

Task 3.12: Running an Antivirus Scan.

Task 3.13: Running an Anti-spyware Scan.

Task 3.14: Searching for Operating System Updates.

Phase 4 Troubleshooting the Network 245

Task 4.1: Using ARP Utilities.

Task 4.2: Using the NETSTAT Utility.

Task 4.3: Using the FTP Utility.

Task 4.4: Using Ping Utilities.

Task 4.5: Using the IPCONFIG Utility.

Task 4.6: Using Traceroute Utilities.

Task 4.7: Using Telnet.

Task 4.8: Using the NSLOOKUP Utility.

Task 4.9: Using a Protocol Analyzer.

Task 4.10: Displaying Computer Event Logs.

Index.