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17th July 2009
With a dominating force, D-link Xtreme n dir-655 router is said to be the next technology to hit the market. In the router technology, this product is the most modern while the fastest at the same time as seen from the perspective of short range transmiss... Read >
Author: Ricky K Lim10th June 2009
Product activation is unobtrusive, secure and flexible - if you do it right. This article describes some obvious, and some not-so-obvious, issues for software developers to consider.
Product activation is a popular approach for securing software licens... Read >
Author: Agilis29th May 2009
Network administration tool is capable of scanning network with very high speed for obtaining abundance of information. WAN statistic program logs information like name of NetBIOS or DNS, IP address, MAC address, SNMP, workgroup, user, OS type, server typ... Read >
Author: Software Manuals27th March 2009
Every time you use the Internet, you’re being tracked by both your server and the servers you access. Your ISP keeps logs of your MAC address (your network adapter card’s number) and your private IP address; the rest of cyberspace sees your public IP ... Read >
Author: Robert Bell23rd March 2009
Although desktop computers are still popular, wireless laptops have become the norm due to the fact that you can use it anywhere in your home. With the Belkin Wireless Cable/DSL Router, this technology offers you the freedom to work in any room in your ho... Read >
Author: Robert Bell17th March 2009
While many of us don't consciously worry about protecting our online identity, the truth is that absolutely everything you do on the internet can be traced back to you. Everytime you send an e-mail, visit a website, or download a file, you leave your foot... Read >
Author: Safiur Rahman13th January 2009
Apple has offered an update to ease its Leopard users, under the name of Mac OS X 10.5.6 update. The update is recommended to enhance the performance and security of Mac systems and includes improved graphic features for iTunes, APERTURE, iChat and Cover ... Read >
Author: Simpson15th December 2008
Whether you are setting up a small business or installing web access for your home, you need a solid router to connect your personal network to your ISP's network. This device will allow you to send and receive data according to establish protocol. Here a... Read >
Author: Bob Bello30th September 2008
In today’s Cisco practice exam question set, you’ll be tested on your knowledge of Frame Relay, the IPS, SDEE, and more. Let’s get started!
CCNA And CCENT Certification:
In the world of Frame Relay, what does "CIR" stand for? More important... Read >
Author: Chris Bryant05th September 2008
To help you prepare for total success on your Cisco certification exams, here are some complimentary practice exam questions. Answers are posted at the end of the article. Enjoy!
CCNA Certification And CCENT Certification:
A Cisco switch can take... Read >
Author: Chris Bryant05th September 2008
Here are some short answer Cisco certification exam practice questions to help you prepare for success on exam day! Answers are at the end of the article. No peeking!
CCNA Certification And CCENT Certification:
Whether we’re routing or switchin... Read >
Author: Chris Bryant25th July 2008
Cisco 646-058 Exam Preparation include:
Comprehensive 646-058 brain dumps questions with complete details
Detailed explanations of all the questions (when available)
Questions accompanied by exhibits
Verified Answers Researched by Industry ... Read >
Author: pennychen200910th July 2008
Let’s test your knowledge of MAC addresses, switches, IP Version 6, and other vital Cisco certification exam topics!
CCENT Certification:
A frame enters a switch port. The destination MAC address is known. Which of the following terms best describ... Read >
Author: Chris Bryant01st May 2008
Test your knowledge of vital Cisco certification exam topics with these free questions!
CCENT Certification:
Given the MAC address aa-bb-cc-11-22-33, identify the OUI.
Answer: The OUI is the first half of the MAC address, aa-bb-cc.
CCNA ... Read >
Author: Chris Bryant25th April 2008
Let’s test your knowledge of the MAC OUI, BGP attributes, DHCP Snooping, and other vital Cisco certification exam topics!
CCNA And CCENT Exam:
Short answer: In the MAC address aa-bb-cc-11-22-33, what portion is the OUI?
Answer: aa-bb-cc. The ... Read >
Author: Chris Bryant25th April 2008
From the basics of router hardware to configuring and troubleshooting BGP, let’s test your knowledge of Cisco certification exam topics!
CCENT Certification:
You've just run the show interface ethernet0 command and you see the interface is "admini... Read >
Author: Chris Bryant25th April 2008
Test your knowledge of important Cisco certification exam topics with these CCENT, CCNA, and CCNP practice questions!
CCENT and CCNA Certification:
You've just configured a password for users that will use Telnet to connect to your router. A few q... Read >
Author: Chris Bryant07th April 2008
Test your knowledge of ARP, Proxy ARP, administrative distance, and other vital Cisco exam topics with these free questions!
CCNA And CCENT Certification Exam:
Host A wants to send data to Host B. Host A knows Host B's IP address, but not its MAC ad... Read >
Author: Chris Bryant28th March 2008
When you buy a wireless router it is not secure and its default configuration will allow unwanted users that are in the vicinity of your router to connect to the internet and “steal” your wireless router internet connection. They could also gain acces... Read >
Author: Andy Jones11th February 2008
When using a wireless system, there are countless security concerns to be aware of, many of which require the system to be patched regularly to keep it up to date. Patches should be applied to both the operating systems and the applications, or the system... Read >
Author: John Sern12th May 2007
Network attacks take many forms, and it's important to know how the potential security issues with ARP, DHCP, and MAC addresses. They're innocent looking enough, but each of these common network protocols and addresses can be turned against us. Today, w... Read >
Author: Chris Bryant05th March 2007
Having to maintain the security of a wireless network is something that’s probably new to most users, and it can often be frustrating due to all the new information you have to assimilate.
How Wi-Fi hotspots force you to log in.
It's an everyday sce... Read >
Author: Judy Sim16th November 2006
When you're studying for the Network+ exam, you've got to master the fundamentals of networking, because the Network+ is a hard exam to pass due to the range of information covered. One such fundamental is the Address Resolution Protocol, commonly referr... Read >
Author: Chris Bryant10th October 2006
Your CCNA exam success depends on your mastery of networking, routing, and switching fundamentals. Those fundamentals have to include knowledge of MAC addresses, so let's take a close look at Media Access Control addressing.
A typical MAC address look... Read >
Author: Chris Bryant07th September 2006
In yesterday's Network+ tutorial, we talked about the importance of Address Resolution Protocol (ARP) in today's networks. A host PC must have the MAC and IP addresses of a remote host in order to send data to that remote host, and it's ARP that allows th... Read >
Author: Chris Bryant11th May 2006
Earning your CCNP certification and passing the BSCI exam depends on knowing the details of many Cisco technologies, ISIS chief among them. To help you prepare for exam success, here's a list of ISIS terminology and basic concepts that will help you pass ... Read >
Author: Chris Bryant09th May 2006
To pass the BCMSN exam and earn your CCNP, you've got to know HSRP inside and out! Part of that is knowing how the MAC address of the virtual router is derived, and another part is knowing how to change this address. We'll look at both features in this ... Read >
Author: Chris Bryant07th May 2006
To pass the BCMSN exam and earn your CCNP certification, you've got to know HSRP inside and out. While the operation and basic commands of HSRP are pretty simple, there are some important details that are easily overlooked but are vital in getting HSRP to... Read >
Author: Chris Bryant02nd May 2006
To earn your CCNP certification and pass the BCMSN exam, you've got to know what HSRP does and the many configurable options. While the operation of HSRP is quite simple (and covered in a previous tutorial), you also need to know how HSRP arrives at the ... Read >
Author: Chris Bryant02nd May 2006
To pass the CCNA exam and earn this important certification, you've got to know switching inside and out. While you're learning all the basic switching theory, make sure to spend some time with the one of three switching modes Cisco routers can use.
S... Read >
Author: Chris Bryant24th April 2006
To pass the BSCI exam, you need to know the difference between IRDP and HSRP. While they have the same basic function, the operation and configuration of each are totally different.
The aim of both is to allow hosts to quickly discover a standby rout... Read >
Author: Chris Bryant03rd April 2006
As a CCNP candidate and a CCNA, you may be tempted to skip or just browse the many details of Spanning Tree Protocol. After all, you learned all of that in your CCNA studies, right? That's right, but it never hurts to review STP for a switching exam! Be... Read >
Author: Chris Bryant01st April 2006
Title
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Finding Your MAC Address On Wired And Wireless Network Cards
The Answer To The Media Access Control Question
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Over the past few weeks I have received quite a few e-mails about Ethernet cards, both wired and w... Read >
Author: Darren Miller31st March 2006
Your BCMSN and CCNP studies will include mastering the details of Spanning Tree Protocol (STP). While you learned some of these details in your CCNA studies, quite a bit of it may be new to you. Before going on to the intermediate and advanced STP feature... Read >
Author: Chris Bryant17th March 2006
Learning IPv6 is paramount in your efforts to pass the BSCI exam and go on to earn your CCNP, and it's going to help in your real-world networking career as well. IPv6 can be confusing at first, but it's like anything else in Cisco or networking as a who... Read >
Author: Chris Bryant06th December 2005
Enterprise VoIP is making inroads among enterprises that cling to their circuit switched voice networks. The lure of Enterprise IP voice is having a single network to serve all modes of communication. Enterprise VoIP introduces efficiencies into the netw... Read >
Author: Johnny Mayer
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