Category Archives: Certification

Certs: Security+ Implement Security Configuration Parameters on Network Devices

  • Firewalls
    • Can be Hardware or Software based
    • Used to protect one network segment from another
    • Deployed between areas of high and low trust – Private / Public network
    • Firewall types
      • Packet filter
      • Circuit level gateway
      • Application-level
      • Stateful inspection
Continue reading

Certs 1.2 – Network Services & Applications (Network+)

VPN – Site to Site / Host to Site / Host to Host

Protocols

  • IPSec – Provides authentication & data encryption – Operates at the network layer
  • GRE – Generic Routing Encapsulation, encapsulates the data, operates at network layer & is a CISCO technology.
  • SSL VPN – Main use is eCommerce, uses cryptography (secure authentication & communications)
  • PTP / PPTP – Port 1723 UDP, Point to Point, layer 2, PPTP has been largely replaced by L2TP with IPSec.

Continue reading

Certs: 1.1 Deploy & Manage Server Images (70-411)

In this, the first post covering content from the 70-411 Administering Windows Server 2012 exam, I’m going to look at deploying & managing server images using Windows Deployment Services (WDS). WDS can be used to automate the deployment of standard or custom images to servers, which can dramatically speed up deployment if you have a significant number to install. Continue reading