Networking
CompTIA Network+ Certification Exam Tutorial: DHCP and DHCP Relay Agents
By Chris Bryant · 18 years ago
As a CompTIA Network+ exam candidate, you’re probably familiar with DHCP – but just in case, we’re going to review DHCP basics here and then go into a discussion of DHCP Relay Agents.
When it ...
CompTIA Network+ Certification Exam Tutorial: Hot Sites, Warm Sites, and Disaster Recovery
By Chris Bryant · 18 years ago
Part of passing the Network+ exam and being an outstanding network administrator is being prepared for disaster. Sometimes that's a disaster on a relatively small scale, such as a drive failure. If you're running data ...
Network+ Exam Tutorial: Network Interface Cards (NICs)
By Chris Bryant · 18 years ago
Part of the challenge of passing the Network+ exam is learning about all the different types of hardware a network requires. Today we’ll take a look at a vital part of network connectivity, the Network ...
Publishing Your Web Site to the Server?
By Assad Aziz · 18 years ago
The final step of getting yourself online is by publishing your files to the web server. This is done by using an FTP program (File Transfer Protocol=FTP). The FTP server, running FTP server software, listens ...
Unstructured and structured P2P networks!
By Ankit Talwar · 18 years ago
The P2P overlay network consists of all the participating peers as network nodes. There are links between any two nodes that know each other: i.e. if a participating peer knows the location of another peer ...
Peer To Peer!
By Ankit Talwar · 18 years ago
A peer-to-peer (or P2P) computer network is a network that relies primarily on the computing power and bandwidth of the participants in the network rather than concentrating it in a relatively low number of servers. ...
Network+ Certification Exam Tutorial: How And When To Use Virtual LANs (VLANs)
By Chris Bryant · 18 years ago
From your Network+ exam studies, you know that switches forward broadcasts, and that sounds great, but that's not always a good thing. A switch can have anywhere from 12 ports to 80 or more, and ...
Network+ Exam Certification Tutorial: The Bus Topology
By Chris Bryant · 18 years ago
The Physical layer of the OSI model isn't the most exciting or interesting to work with, but it's the foundation for everything we do in networking. The same goes for the physical side of networking ...
Network+ Certification Exam Tutorial: DHCP And RARP
By Chris Bryant · 18 years ago
Part of passing the Network+ exam is mastering the many different protocols and services you're introduced to in your studies, and that's especially hard when two protocols do much the same thing! That's the case ...
Network+ Certification Exam Tutorial: ARP and Proxy ARP Explained
By Chris Bryant · 18 years ago
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 ...
Wireless Network Security in 6 Easy Steps
By Chris Kaminski · 18 years ago
Connecting your home and office computers with a wireless network sure makes things convenient ...BUT the very feature that makes them so popular is also their biggest weakness! Anyone with the knowledge can intercept your ...
Network Application Acceleration for Beginners
By Ariel Rosenstein · 18 years ago
What is application acceleration? Simply put it is hardware, software, or a combination of the two which speed up programs which rely upon networks or the internet. Application acceleration does not work by making you ...
58% Of Businesses Expect An IT Security Breach in the Next 12 Months
By Lee Smith · 18 years ago
A recent government survey of over 500 small businesses covering London and Surrey regions revealed that 58% of company owners expect a security breach in their IT system in the next year. 24% of those ...
Emails And Network Security
By Andrew Corner · 18 years ago
With the number of small, home-based businesses at present, computers and the internet are fast establishing themselves as essential tools for business management. But the active use of computers in business as means of banking ...
Cisco CCNA / CCNP Certification Tutorial: Frame Relay End-To-End Keepalives
By Chris Bryant · 18 years ago
One of the first things you learned about Frame is that the LMI also serves as a keepalive, or a heartbeat - and if three consecutive LMIs are missed, the line protocol goes down. There's ...
Computer Network Management
By Frank Hughes Frank Hughes · 18 years ago
Today it is almost inconceivable for a business not to have computers, whether it is a construction company or a high technology firm. When a business has more than one computer, they are almost always ...
What You Need to Know About Networking
By Alex Lakatos · 18 years ago
Because networking is a relatively young science, it borrows language from other disciplines. Many networking terms come from the realm of physical transportation—terms such as bridge, hub, port, routing, and switching. That borrowing is apt. ...
Discover a World of Fascinating People
By Dmitry Sheiko · 18 years ago
It is common to encounter success stories that begin with the words: “I’ve have been lucky in my life. I’ve made good friends and met like-minded people who have helped me from the beginning. Thanks ...
How To Get More Networking Equipment For Your Dollar
By Alex Lakatos · 18 years ago
If your computer network keeps expanding and the associated networking equipment costs keep increasing, you might want to consider buying equipment in the secondary market. This is a place where you can purchase used or ...
10 Steps to Install a PCI Wireless Card
By Rafael Jr · 18 years ago
Installing a PCI wireless card might seem like a bit of an adventure -- after all, you have to open the case, find where to put the thing, close it again... and then you have ...