Author's articles

Cisco CCNP BSCI 642-901 Exam: OSPF And Passive Interfaces

By Chris Bryant · 17 years ago

Your BSCI exam may well be the most challenging of the four exams you must pass to become a CCNP, so you have to have the details of every protocol on the exam mastered! Today, ...

Cisco CCNA / CCNP Certification Exam Tutorial: EIGRP And Split Horizon

By Chris Bryant · 17 years ago

EIGRP is a major topic for your CCNA and CCNP studies, and one basic skill you’ll need to pass your Cisco certification exams is to identify situations where you need to enable or disable split ...

Cisco CCNP BSCI 642-901 Tutorial: Clear Text OSPF Neighbor Authentication

By Chris Bryant · 17 years ago

An OSPF adjacency can be authenticated with MD5 (Message Digest 5) or with a clear-text password. I’m not much on clear-text passwords, and hopefully you aren’t either! Whether you’re working in the real world or ...

CompTIA Network+ Certification Exam Tutorial: Antivirus Programs

By Chris Bryant · 17 years ago

In the first part of this CompTIA Network+ certification exam tutorial, we looked at the different types of viruses and other invaders trying to get into our network, and how antivirus programs help to stop ...

CompTIA Network+ Certification Exam Tutorial: Virus Attacks And Antivirus Programs

By Chris Bryant · 17 years ago

Whether you’re preparing to pass the Network+ or Cisco CCNA certification exam or not, you must not underestimate the importance of antivirus programs and virus definition updates. With all the attention we pay to viruses ...

CompTIA Network+ Certification Exam Tutorial: The Five IP Address Classes

By Chris Bryant · 17 years ago

Passing the CompTIA Network+ certification exam and going on to become a subnetting expert is mastering the basics of IP addressing, and that means knowing the different classes, their default masks, and what these masks ...

CompTIA Network+ Certification Exam Tutorial: DHCP and DHCP Relay Agents

By Chris Bryant · 17 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 · 17 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 · 17 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 ...

How To Start A Career In The Computer Field

By Chris Bryant · 17 years ago

If you're considering a career working in Information Technology - a fancy way of saying "working with computers" - congratulations! I can tell you from personal experience that it's one of the best decisions you'll ...

eBay Auction Home Business Tutorial: Start Low To Sell High!

By Chris Bryant · 17 years ago

I sell items on eBay and enjoy teaching others how to make money with eBay auctions, but I admit to doing my fair share of buying, too. Recently I found a few items I wanted ...

Network+ Certification Exam Tutorial: How And When To Use Virtual LANs (VLANs)

By Chris Bryant · 17 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 ...

eBay Auction Home Business Tutorial: Registering As An eBay Seller

By Chris Bryant · 17 years ago

Past eBay auction home business tutorials have concentrated on deciding what to sell, what price to charge, what payment methods to accept...but once we've decided on all of this, we've got to go out to ...

Network+ Exam Certification Tutorial: The Bus Topology

By Chris Bryant · 17 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 · 17 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 · 17 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 ...

Starting Your Own eBay Business: The Perils Of Creating Ebooks With Microsoft Word

By Chris Bryant · 17 years ago

In my previous eBay auction tutorial, I talked about my personal guarantee to you that you know something that someone on eBay is willing to pay to learn. Whether it's soup recipes, technical knowledge, fishing ...

Getting Started With eBay: The Best Thing To Sell in eBay Auctions Is....

By Chris Bryant · 17 years ago

When people find out that I own several home-based businesses, they always ask what I do. When I mention eBay, I can see their eyes light up, because everyone wants to know how to start ...

Cisco CCNA / CCNP Certification Tutorial: Frame Relay End-To-End Keepalives

By Chris Bryant · 17 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 ...