RSA token authentication mechanism

 Types of Foundation footings

Types of Construction

Construction is an industry method that consists of assembling or building infrastructure. It has many types such as heavy or civil construction, building construction and industrial construction. Construction works are managed by a project managers and supervised by a construction engineers, construction managers, project architects or design engineers.

What is RFID ??

Radio frequency identification (RFID) is a method of remotely storing and retrieving data using devices called RFID tags. An RFID tag is a small object, such as an adhesive sticker, that can be attached to or incorporated into a product. RFID tags contain antennae to enable them to receive and respond to radio-frequency queries from an RFID transceiver.

10 tips for improving your wireless network

If Windows ever notifies you about a weak signal, it probably means your connection isn't as fast or as reliable as it could be. Worse, you might lose your connection entirely in some parts of your home. If you're looking to improve the signal for your wireless network, try some of these tips for extending your wireless range and improving your wireless network performance.

How to properly secure your Cisco router with passwords

Some of the worst security breaches occur because people neglect basic security measures. David Davis discusses the importance of maintaining proper passwords on your router, explains the three modes for the Cisco IOS, and shows you how to configure the five main passwords that protect your network.

Tips for small businesses who don't want to skip security

The majority of small businesses don’t have the resources for a dedicated technology specialist, so barring a close friend or family member who happens to be a geek, there are a lot of businesses that don’t know what to do to make their operations secure.  Fortunately, there are a few simple ways to make sure that your business is as secure as possible.  I will cover a number of topics in this post including security relating to routers, wireless, anti virus, and malware.

Configure SNMP on a Cisco router or switch

The Simple Network Management Protocol (SNMP) is a necessary tool for every network administrator. You can easily configure it with just a few commands.

SNMP is still the most popular way to monitor the performance of network devices, including Cisco routers and switches. With an SNMP management station, you can graph the performance of network devices. In addition, Cisco devices can send alerts (called traps) to the management station, which you can configure to alert you.

IP subnetting is a fundamental subject that's critical for any IP network engineer to understand, yet students have traditionally had a difficult time grasping it. Over the years, I've watched students needlessly struggle through school and in practice when dealing with subnetting because it was never explained to them in an easy-to-understand way. I've helped countless individuals learn what subnetting is all about using my own graphical approach and calculator shortcuts, and I've put all that experience into this article.

IP addresses and subnets

A Redundant Array of Independent Drives (or Disks), also known as Redundant Array of Inexpensive Drives (or Disks) (RAID) is an term for data storage schemes that divide and/or replicate data among multiple hard drives. RAID can be designed to provide increased data reliability or increased I/O performance, though one goal may compromise the other. There are 10 RAID level. But which one is recommended for data safety and performance considering that hard drives are commodity priced?