data Tutorials & Websites

Free gmat test on math and and verbal, test on reading comprehension,critical reasoning,sentence correction,tough 800 level problems

Authored by: e5haxor  Category: SAT, TOEFL, ACT, GRE, GMAT  Tags: free gmat test math verbal reading comprehension problem solving data sufficiency difficult problems gmat 800 level

This tutorial is intended to introduce the reader to common LAN Topologies (Physical). After completing this tutorial, the reader should have a superficial understanding of the most common LAN Topologies (Physical) in use, and some of the the pros and cons of using them.

Authored by: SPotter  Category: Comptia Certification  Tags: networking basics: lan topologies (physical) bus ring star hybrid wired hub switch router repeater transceiver layout wired data technology

A good overview of the OSI 7 layer model from layer 1 up ie the data cable installer's perspective. 70% of network problems are layer 1 related!

Authored by: laurieb  Category: Comptia Certification  Tags: a+ ciw networking data cabling osi

Learn what is a pivot table, how to format sort and filter its data in Excel 2007, for creating an effective and valueable report.

Authored by: jackgopher  Category: Software, OS & Applications  Tags: pivot table excel tutorial data create format

This is article I stumbled upon while researching uninterruptible power supplies. It has a very good lengthy section targetting UPS(s), with an added bonus discussing proper methods to protect and back up the network data.

Authored by: Sid316  Category: Comptia Certification  Tags: protect and backup data server+

brief overview of the OSI (Open Systems Interconnection) Network Layer Model.

Authored by: SPotter  Category: Software, OS & Applications  Tags: network osi open systems interconnection fragmentation pdu nic protocol application presentation session transport network data link physi

This is a good blog about data center design, from how to organize your cables to prevent a mess of spaghetti to maximizing airflow to system management and moving servers. Enjoy!

Authored by: redwarrior  Category: Hardware  Tags: data center networking system administration

A quickm summary of the different terms involved with hard drives and data backup, useful for your Server+ studies!

Authored by: cbrzana  Category: Comptia Certification  Tags: server+ comptia hard drive data backup raid scsi

Not the prettiest site, but has some great information on data backup and recovery. Very helpful in Server+ studies!

Authored by: cbrzana  Category: Comptia Certification  Tags: server+ comptia data backup full incremental differential