Defending the Network



Network Defense and Countermeasures is designed to provide network administrators with an awareness of security-related issues and the essential skills they need to implement security in a given network. This course focuses primarily on defensive network technologies, such as firewalls.We designed the Network Defense and Countermeasures course for the student who is a network administrator responsible for maintaining a wide range of network technologies. To ensure your success, we recommend you first take the Element K course Hardening the Infrastructure or have equivalent knowledge. The SCNP certification is comprised of two exams: Hardening the Infrastructure (HTI), and Network Defense and Countermeasures (NDC). To become SCNP-certified, candidates must pass both of these Level One exams.


  • In this course, you will examine network defense fundamentals, design firewall systems, implement firewalls, and configure VPNs.

Hardware and Software Required:

  • Browser Microsoft Internet Explorer 7 (or higher)
  • Browser Mozilla Firefox 2 (or higher)
  • Browser Apple Safari 2 (or higher)
  • Operating System Microsoft Windows 2000, XP, Vista, or Windows 7
  • Operating System Apple Mac OS X 10.4 (or higher)
  • Processor Pentium III 1 GHz (or better)
  • Processor Macintosh Intel-based or PowerPC G4 (or better)
  • RAM 512 MB (1 GB or more recommended)
  • Internet connection 256K (broadband recommended)
  • Adobe Flash Player 8 (current version recommended)
  • Adobe Reader 7 (or higher)
  • Other requirements may apply to supplemental offline activities. Omitting these optional activities does not affect course completion.


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Course Info

  • Code: EL-DTN
  • Duration: 8 hours 56 minutes
  • Price: Call for price

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