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 A+ Essentials (220-801) Cram Notes

   

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1.9 Evaluate and select appropriate components for a custom configuration, to meet customer specifications or needs

   Home Server

a. A home server is a server located in a private residence providing services to other devices inside and/or outside the household through a home network and/or the Internet. Such services may include file and/or printer serving, video/audio serving, web serving (on the network or internet), web caching, account authentication and backup services.

b. Windows Home Server is based on Windows Server 2003 R2 and is intended to be a solution for homes with multiple connected PCs to offer file sharing, automated backups, print server, and remote access.

c. Important features of a Home Server are given below:

1. Centralized backup: Backup individual computers at a central location.

2. Health monitoring - Monitor health of individual computers

3. File sharing - Enables file sharing over the home network

4. Printer sharing - Enables printer sharing over the network

5. Remote access gateway - Allows remote access to any connected PC on the network, including the server itself, over the Internet.

6. Media streaming - Can stream media to an Xbox 360 or other devices supporting Windows Media Connect.

7. Selective data redundancy - Guards against a single drive failure by duplicating selected data across multiple drives.

8. Expandable storage - Provides a unified single and easily expandable storage space, removing the need for drive letters.

9. Server backup - Backs up files which are stored within shared folders on the server to an external hard drive.

d. When combining various servers into a single physical box, it is important to consider the server hardware requirements, such as CPU, Memory, Power Supply, Expansion Slots, Hard Disk Capacity, etc.

   Wake-On-Lan requires a few settings as below:

a.  An ATX motherboard with an onboard, 3-pin "WOL" connector and ATX power supply.

b. A network card that can support WOL with its cable to the motherboard properly installed.

c. In the BIOS Power Management, you must enable the LAN Wakeup option.

d. Then take a look at your network card settings, (right click mouse on "My Computer" icon on your desktop, select Manage -> "Device Manager") in "Device Manager" open properties of your "Network Card" and select "Power Management" tab. You need to check appropriate boxes enabling the Network Card to bring the computer out of standby.

1.10 Given a scenario, evaluate types and features of display devices

1. When you are installing a different SVGA monitor, it is unlikely that the new monitor has the same capabilities as the old one. As a result, the image on the screen may not be readable. In such instances, change the video resolution to Standard VGA before installing the new monitor. You can change the resolution appropriately after the image on the screen is readable with the new monitor. It may also be necessary to load appropriate device driver, if you are installing a different display adapter.

2. If the LCD screen changes colors, like turning green and then blue or red, it is likely that you have a cable problem. First check the monitor cable whether it is loose. Then try to twist the monitor and see if there is any problem. If the problem occurs, it may be necessary to replace the LCD monitor cable.

3. You need more brightness when a projector is used in environment where there is plenty of light in the room. Higher lumens provide more brightness, but more expensive.

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