Professor Messer - CompTIA A+, CompTIA Network+, Certification Training

My POST can’t count

Professor Messer — Mon, 06 Feb 2012 13:00:56 +0000

You have just installed a new motherboard, but the system will not POST. When you check the motherboard power connection with a multimeter, you find that the 12 volt rail is showing zero volts. Which of these would be the most likely cause of this issue?

A) The new motherboard is faulty

B) The building power receptacle is faulty

C) The power supply is faulty

D) The AC power cable is faulty

E) You computer is so efficient that it only needs air and water to operate

CompTIA Network+ N10-005: 2.3 – DHCP Options

Professor Messer — Mon, 06 Feb 2012 05:28:18 +0000

The DHCP process can provide your computer with much more than just an IP address. In this video, you’ll learn about DHCP options and how they can automatically configure many different aspects of your computer.

<< Previous Video: DHCP Leases Next: Main Index >>

CompTIA Network+ N10-005: 2.3 – DHCP Leases

Professor Messer — Mon, 06 Feb 2012 05:26:37 +0000

If you are using DHCP, then your IP address is only temporary. In this video, you’ll learn about the DHCP leasing process and how the DHCP timers work to keep your computer properly addressed.

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CompTIA Network+ N10-005: 2.3 – DHCP Scopes

Professor Messer — Mon, 06 Feb 2012 05:24:55 +0000

When you’re configuring your DHCP server, you’ll probably need to define some DHCP scopes. In this video, you’ll learn about DHCP scopes and how they can be used to organize the configuration of your DHCP server.

<< Previous Video: DHCP Reservations Next: SHCP Leases >>

CompTIA Network+ N10-005: 2.3 – DHCP Reservations

Professor Messer — Mon, 06 Feb 2012 05:22:59 +0000

Although DHCP can assign IP addresses automatically, you still have control of what computers receive which IP address. In this video, you’ll learn about DHCP reservations and how you can configure reservations on your network.

<< Previous Video: DHCP Addressing Overview Next: DHCP Scopes >>

CompTIA Network+ N10-005: 2.3 – DHCP Addressing Overview

Professor Messer — Mon, 06 Feb 2012 05:21:05 +0000

When your computer automatically configures itself with an IP address, a series of steps had to occur on the network. In this video, you’ll learn exactly how the DHCP addressing process works.

<< Previous Video: Wireless Compatibility Next: DHCP Reservations >>

CompTIA Network+ N10-005: 2.2 – Wireless Compatibility

Professor Messer — Mon, 06 Feb 2012 05:13:54 +0000

What are the different compatibility options between all of the different wireless standards? In this video, you’ll learn about each wireless standard and what options are available to make them work seamlessly with each other.

<< Previous Video: SSID Management Next: DHCP Addressing Overview >>

CompTIA Network+ N10-005: 2.2 – SSID Management

Professor Messer — Mon, 06 Feb 2012 05:11:06 +0000

What is a wireless SSID, and how should configure it for your network? In this video, you’ll learn about the SSID and the advantages and disadvantages of SSID broadcast suppression.

<< Previous Video: Wireless Standards Next: Wireless Compatibility >>

CompTIA Network+ N10-005: 2.2 – Wireless Standards

Professor Messer — Mon, 06 Feb 2012 05:08:33 +0000

There have been many different wireless standards through the years, and each standard has provided unique characteristics. In this video, you’ll learn about the history of wireless standards and the features that each standard provides.

<< Previous Video: Wireless Channels and Frequencies Next: SSID Management >>

CompTIA Network+ N10-005: 2.2 – Wireless Channels and Frequencies

Professor Messer — Mon, 06 Feb 2012 05:06:34 +0000

The wireless standards are a mix of different wireless channels, frequencies, and modulations. In this video, you’ll learn how each wireless standard uses the wireless spectrum.

<< Previous Video: Wireless Interference Next: Wireless Standards >>