• Top networking expert answers of 2007

    The year's top networking questions answered by our experts on networking fundamentals, network administration, routing and switching, wireless networking, IPv4 and IPv6, infrastructure and project management, certifications and training, wireless ...  Continue Reading

  • Configuring VLANs

    A virtual LAN (VLAN) is a broadcast domain created by switches. VLANs are a convenient way to connect ports from different switches and different buildings onto the same network and broadcast domain, preventing the need for a complex system of ...  Continue Reading

  • Tech support, I forgot my password: The IT Guy cartoon

    If you've ever answered the phone for tech support, you've probably dealt with the proverbial clueless user. In this episode of The IT Guy networking cartoon, Dave takes his turn helping a frustrated (and frustrating) user with a forgotten password.  Continue Reading

  • CCNA certification: When to study, what to read

    For Cisco Certified Network Administrator (CCNA) certification, learn what to read, and how and when to study, in this advice column from one of our CCNP Video Mentor contest contributors.  Continue Reading

  • Your networking certification game plan

    If you're interested in a network or security certification, this advice details what to study for and when, and which certification path you should start with, and it maps out materials for a lab setup. Wondering where to begin your network ...  Continue Reading