Tuesday, March 23, 2010

Networking Articles and Tips

Networking Articles and Tips

Network Security

Posted: 23 Mar 2010 07:28 AM PDT

Network security is essential because the Internet is a boundryless network of interconnected networks. Because of this reason, the organizational network becomes accessible and vulnerable from any host or computer in the world. As now a days companies business are more depended on Internet, new threats arise from persons who no longer require physical access [...]


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Thursday, March 11, 2010

Networking Articles and Tips

Networking Articles and Tips

Project Management Professional (PMP)

Posted: 11 Mar 2010 01:10 AM PST

 Project ManagemenProfessional (PMP)  I had just passed my PMP exam last week and now I am Certified Project Management Professional (PMP). I would like to share my experience to help those who are willing or planning to take the PMP Certificate. Before you start: •PMP Certificate is only for those who really have project management experience, it is [...]


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Friday, March 5, 2010

Networking Articles and Tips

Networking Articles and Tips

Collision Domains

Posted: 04 Mar 2010 08:45 PM PST

Collision Domains - In Ethernet segments, devices connnect to the same physical medium. Because of this, all devices receive all signals sent out across the wire. If two devices send a packet at the same time, a collision occurs. When a collision happens , the two devices run a backoff algorithm and resent the packet. [...]


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Thursday, March 4, 2010

Networking Articles and Tips

Networking Articles and Tips

Administrative Distance

Posted: 04 Mar 2010 01:07 AM PST

 Adminstrative Distance ( AD) Administrative Distance or AD is an integer from 0 to 255 that rates the trustworthiness of routing information received on a router from a neighboring router. The AD is used as the tie-breaker when a router has multiple paths from different routing protocols to the same destination. The lower the path’s AD [...]


Cisco Network Assistant

Posted: 04 Mar 2010 12:31 AM PST

Cisco Network Assistant You must be familiar with Cisco Network Assistant (CNA). It is free tool that helps you to configure the Cisco Equipment. This tool is very easy to operate and managed as compared with Cisco Configmaker. In Small and Medium Enterprises (SMBs) in the production of the product line, it has provided a free tool [...]


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Wednesday, March 3, 2010

Networking Articles and Tips

Networking Articles and Tips

Data Link Layer

Posted: 03 Mar 2010 12:18 AM PST

Data Link layer provides reliable delivery of data across the network medium & translates messages from the network layer in bits for the physical layer. Its specifications define different network and protocol characteristics, including physical addressing, error notification, network topology and sequencing of frames. Data link protocols provide the delivery across individual links and are concerned with [...]


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Monday, January 25, 2010

Networking Articles and Tips

Networking Articles and Tips

Difference between baseband and broadband

Posted: 25 Jan 2010 01:14 AM PST

Baseband - In this technology only one carrior frequency is used ( like ethernet). Broadband -In this technology several independent channels are multiplexed into one cable ( like in T1 line)


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Saturday, January 16, 2010

Networking Articles and Tips

Networking Articles and Tips

Cisco IOS Upgradation

Posted: 16 Jan 2010 02:31 AM PST

Cisco IOS Upgradation I have long been engaged in computer network management, in the CISCO router’s long-term daily maintenance and management practices has accumulated some experience.  Are now summarized a CISCO router IOS image upgrade several methods for a vast network of enthusiasts, or colleagues for reference. In introducing the methodology of CISCO Router IOS upgrade, [...]


Cisco Router Boot Process

Posted: 16 Jan 2010 12:44 AM PST

Cisco Router Boot Process  Cisco IOS software is stored in a different location, most of the cisco routers boot system commands stored in nonvolatile memory (NVRAM), network administrator can change the value of register to change the location of the router load the IOS image Cisco Routing Device is activated within the definition of register queues several options:- 1) If [...]


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