Professor Messer, Author at Professor Messer IT Certification Training Courses

CompTIA Network+ N10-004: 4.5 – Network Performance Optimization

CompTIA Network+ N10-004 / July 19, 2009

What are the most important reasons for maintaining network performance? Optimizing your network efficiency can yield significant gains, and in this module you’ll learn the importance of performance optimization and a number of ways you can increase the performance of your network. We’ll cover quality of server, load balancing, high availability, caching engines, and much more.

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CompTIA Network+ N10-004: 4.4 – Network Monitoring

CompTIA Network+ N10-004 / July 19, 2009

The world of network monitoring is a precise science, and it can provide insight into aspects of network performance that would otherwise go unseen. In this module, you’ll learn the use of network analyzers, connectivity software, and load testers to help build a more efficient network. You’ll also learn the value of logs and how the consolidation of logs files can assist in solving issues that span multiple devices.

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CompTIA Network+ N10-004: 4.3 – Evaluating the Network

CompTIA Network+ N10-004 / July 19, 2009

You’ve spent hours documenting your network, but will all that work really be worth the effort? In this module, you’ll learn how your network documentation can be used to determine points of failure, evaluate network baselines, and help manage crisis situations.

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CompTIA Network+ N10-004: 4.2 – Configuration Management Documentation

CompTIA Network+ N10-004 / July 19, 2009

Building a network is a technological challenge, but the network isn’t truly finished until the documentation is complete. In this module, you’ll learn about the importance of documentation and how your network could benefit from schematics, baselines, procedures, and much more.

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Where’s the printer?

CompTIA A+ Pop Quizzes / July 19, 2009

The marketing department has just received their new printer and plugged in into a Windows XP system with a USB cable. However, when they try to print for the first time they don’t see the new printer in their list of available output devices. What is the most likely cause of this problem?

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What kind of printer is this?

CompTIA A+ Pop Quizzes / July 18, 2009

The marketing department has ordered a new printer that they plan on using for their colorful advertising layouts. This printer uses solid panels of ink colors on a single ribbon, and prints by transferring the colors to the paper using heat. The printer provides fantastic color output, but doesn’t have a true black color. What kind of printer is this?

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CompTIA Network+ N10-004: 3.4 – Implementing a Wireless Network

CompTIA Network+ N10-004 / July 17, 2009

Implementing a wireless network into a large environment can be a challenging exercise. In this video you’ll learn the basics of installing wireless clients, placing access points, configuring the access point software, and verifying the installation.

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CompTIA Network+ N10-004: 3.3 – Advanced Switching Technologies

CompTIA Network+ N10-004 / July 17, 2009

In this video, you’ll learn about some of the more advanced capabilities of today’s network switches, such as power over Ethernet, the spanning tree protocol, VLANs, trunking, port mirroring, and port authentication.

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CompTIA Network+ N10-004: 3.2 – Specialized Network Devices

CompTIA Network+ N10-004 / July 17, 2009

Not all network devices are common in every environment. In this video you’ll learn about specialized network devices that go beyond the capabilities of traditional networks such as content switches, IDS/IPS, load balancers, bandwidth shapers, proxy servers, and more.

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Why can’t you copy this large file?

CompTIA A+ Pop Quizzes / July 17, 2009

You’ve been asked to backup a large video file that is just over 5 gigabytes of disk space. You have a new empty 500 gigabyte external USB hard drive to store the backup file. However, when you try to copy the file to the empty USB drive, you get an error message that there’s not enough disk space to complete the file transfer. What’s the most likely cause of this error?

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