Articles from this Author

Latest Articles

  1. CCNA, CCNP, And Cisco Security Practice Questions: Telnet, Signature Definition Files, And More!

    by Chris Bryant - 2008-08-12
    Let's test your knowledge of Telnet, SDF files, and other important Cisco certification exam topics.  Answers are at the bottom of the page.  No peeking!CCNA Certification And CCENT Certificatio...
  2. CCNA, CCNP, and Cisco CCENT Practice Exam Questions: Switches, Frames, IPv6, And More!

    by Chris Bryant - 2008-07-01
    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...
  3. Cisco CCNA, CCNP, and CCENT Practice Questions: Hubs, Repeaters, IPv6, And More!

    by Chris Bryant - 2008-05-16
    Let's test your knowledge of hubs, repeaters, Ipv6, and other important Cisco certification exam topics!CCENT Certification:Which of the following devices is considered a Layer 1 device?A. hubB. r...
  4. Cisco CCNA And CCNP Practice Questions: Static Routing, EIGRP, And More!

    by Chris Bryant - 2008-04-15
    Let's test your knowledge of static routes, EIGRP, wildcard masks, and other important Cisco exam topics!CCENT Certification:What command creates a default static route that uses the local router'...
  5. Cisco CCNA 640-802 / CCENT Certification Exam Training: Frame Relay LMI And LMI Autosense

    by Chris Bryant - 2007-11-18
    For success on your CCNA 640-802 and CCENT exams, you need to understand how and why Frame Relay LMI messages operate. You need to know this for real-world networking as well, since Frame Relay is...
  6. Cisco CCENT / CCNA Certification Exam : Troubleshooting WAN Connections

    by Chris Bryant - 2007-11-02
    Basic network troubleshooting is a vital part of your Cisco CCENT and CCNA exam studies, and it's obviously an important part of what we do as network admins on a day-to-day basis. In today's free...
  7. Cisco CCENT / CCNA Certification Exam Tutorial: Crossover, Straightthrough, and Rollover Cables

    by Chris Bryant - 2007-10-23
    To pass the Cisco CCENT and CCNA certification exams, you have to know what cable type is appropriate for a given situation. It's also a good idea to know this for working in real-world production...
  8. Cisco CCENT / CCNA Certification Exam Tutorial: Logging Synchronous And Exec-Timeout Commands

    by Chris Bryant - 2007-10-17
    Throughout my CCENT and CCNA exam tutorials, you'll notice these two curious commands on the console port:line con 0 exec-timeout 0 0 logging synchronousI've been recommending these commands for y...
  9. Microsoft Vista: Are You Willing To Be An Early Adapter?

    by Chris Bryant - 2007-09-27
    While I'm always anxious to work with a new NOS such as Microsoft Vista in a lab environment, I'm never one of the first to actually roll a new NOS out into a production network. According to an a...
  10. Microsoft Windows Server 2008 Certifications Announced

    by Chris Bryant - 2007-06-25
    Microsoft has announced the new Windows Server 2008 certification tracks, and there are major changes from past Windows certification tracks.  The MCSE is no more; the multi-exam tracks are both M...
  11. CCNP Certification BCMSN Exam Tutorial: MAC Address Flooding

    by Chris Bryant - 2007-05-13
    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 ...
  12. Cisco CCNP BSCI 642-901 Exam - OSPF And Passive Interfaces

    by Chris Bryant - 2007-04-06
    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, we'll look at the pass...
  13. Microsoft Vista Certification Tutorial: An Introduction To Windows Defender

    by Chris Bryant - 2007-03-05
    You don't have to be working on a Microsoft Windows Vista certification to know about the security problems that past versions of Windows have encountered.  As a result, Microsoft is paying specia...
  14. Cisco CCNA / CCNP Certification Exam Tutorial: EIGRP And Split Horizon

    by Chris Bryant - 2007-02-11
    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 ho...
  15. Cisco CCNP BSCI 642-901 Tutorial: Clear Text OSPF Neighbor Authentication

    by Chris Bryant - 2007-01-31
    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...
  16. Microsoft Vista News: Downloads, Extended XP Support, And One Billion Dollars

    by Chris Bryant - 2007-01-26
    There's been quite a bit of news regarding Microsoft Vista downloads and options lately, so here's a quick recap for you!In the past, Microsoft has supported an OS version for two years after rele...
  17. Microsoft Vista News: Downloads, Extended XP Support, And One Billion Dollars

    by Chris Bryant - 2007-01-26
    There's been quite a bit of news regarding Microsoft Vista downloads and options lately, so here's a quick recap for you!In the past, Microsoft has supported an OS version for two years after releasin...
  18. Cisco CCNP 642-901 BSCI Exam Tutorial: EIGRP Adjacencies And Secondary Addresses

    by Chris Bryant - 2007-01-11
    I've read some non-Cisco documentation that EIGRP will not allow adjacencies to form when secondary addresses are used.  This is incorrect, but there is one common error that can result if bo...
  19. Cisco CCNP Certification BSCI 642-901 Exam Training: The EIGRP Adjacency

    by Chris Bryant - 2007-01-10
    EIGRP is an important part of real-world networking as well as being a major topic on the 642-901 CCNP BSCI exam.  As with any networking topic, before you try to master intermediate and adva...
  20. Cisco CCNA And CCNP BCRAN Exam Training: Frame Relay PVC, SVC, DLCI, and Map Statements

    by Chris Bryant - 2006-12-05
    In today's CCNP certification tutorial, we'll concentrate on the BCRAN exam and Frame Relay PVCs, SVC, and DLCIs in particular.There are actually two kinds of virtual circuits - Permanent Virtual Circ...