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• fiber optics (optical fiber)

  Fiber optics, or optical fiber, refers to the medium and the technology associated with the transmission of information as light pulses along a glass or plastic strand or fiber. Continue Reading

• Learn how to get started with your networking career

  Wherever you are on your networking career path, these expert insights can help you decide where to go and give advice about job requirements, certifications and industry changes. Continue Reading

• Discover the wireless certifications that matter

  Find out which wireless certifications are worth pursuing with this expert advice that dives into vendor-specific, vendor-neutral and specialized certification options. Continue Reading

• Network pros on new Cisco DevNet certification: 'Finally!'

  Want to learn infrastructure as code? Now, there's a Cisco cert for that. Learn more about the new network automation certification suite, plus changes to the CCNA, CCNP and CCIE. Continue Reading

• What is the difference between SDN and NFV?

  SDN and NFV are siblings but not twins -- while they have a lot in common, they aren't identical. Here's what you need to know about their differences. Continue Reading

• Definitions to Get Started

  • bandwidth
  • computer hardware
  • Routing Information Protocol (RIP)
  • UDP (User Datagram Protocol)

  • URL (Uniform Resource Locator)
  • SD-WAN (software-defined WAN)
  • IPv6 (Internet Protocol Version 6)
  • fiber optics (optical fiber)

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• nslookup

  nslookup is the name of a program that lets an Internet server administrator or any computer user enter a host name (for example, "whatis.com") and find out the corresponding IP address or domain name system (DNS) record.Continue Reading

• What is Citizens Broadband Radio Service?

  Citizens Broadband Radio Service gives enterprises another tool to manage the performance of their Wi-Fi and 5G networks. How does CBRS work?Continue Reading

• VPN (virtual private network)

  A virtual private network (VPN) is programming that creates a safe, encrypted connection over a less secure network, such as the public internet. A VPN uses tunneling protocols to encrypt data at the sending end and decrypt it at the receiving end.Continue Reading

• What is data center networking, and how can you get started?

  This feature explores the basics of data center networks, such as how to plan for data center consolidation, the effects of cloud services and how to handle data center interconnects.Continue Reading

• software-defined networking (SDN)

  Software-defined networking (SDN) is a network architecture that aims to make data center networks agile and flexible.Continue Reading

• WAN (Wide Area Network)

  A wide area network (WAN) is a geographically distributed telecommunications network that interconnects multiple local area networks (LANs).Continue Reading

• The top 5 capabilities your edge infrastructure should have

  The network edge plays a vital role in the future of networking and digital transformation. Make sure your infrastructure has these five components to help it on its way.Continue Reading

• What are network firewalls? Test your network security IQ

  Network firewalls have been an essential part of network security since the internet began. This quiz covers what network firewalls are and tests your security expertise.Continue Reading

• VLAN (virtual LAN)

  A VLAN (virtual LAN) is a subnetwork which can group together collections of devices on separate physical local area networks (LANs).Continue Reading

• What are the steps I should take for network transformation?

  The path to digital transformation has three points that all organizations should reach to ensure their network is ready for digital transformation.Continue Reading