Network Management Strategies for the CIO-
Chris has over 10 years of experience as a Senior Network Engineer and Security Consultant for companies in Australia, New Zealand and Greece. He currently runs his own company, Datavision, in Thessalonik, Greece -- which specializes in network design, security, VoIP (Cisco call manager) and data communications.
Chris has a bachelor's degree in electrical technology and holds the following certifications: CNA for Netware 3, 4 and 5, Cisco's CCNA, Microsoft's MCP, DCE (D-link Certified Engineer), LCP (Linux Certified Professional), Network+, A+ and Hellas Sat Certified installer.
In addition, Chris is the Founder and Senior Editor of www.Firewall.cx -- one of the few websites recommended by Cisco Systems in their world class CCNA Academy program! Today, www.Firewall.cx with over 1,500,000 page views per month, is amongst the most popular and respected IT security knowledgebase sites around the world. It analyzes over 380 network topics, and has over 18,000 members, 24,000 answered forum questions and offers free Cisco training via their world-first free Cisco lab.
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Contributions from Chris Partsenidis1
- Difference between circuit-switching and packet-switching in examples
- Can Network Address Translation work without static IP addresses?
- VLANs versus IP subnets: Why use a VLAN over IP subnetting?
- Can building T3 lines using satellite be cheaper than a carriers'?
- Can IP addresses of LANs that make up a WAN be the same?
- How each wireless technology differs: Wi-Fi, WiMax and WLANs
- Do multiple router interfaces affect the amount of IP addresses?
- How can I prevent collisions on my network?
- What makes a WAN different from a LAN and MAN?
- The difference between half-duplex and full-duplex
- What is a logical network? How do you improve one?
- How to retrieve passwords from locked laptops
- What's the Ethernet packet collision rate in Windows OS?
- What is NAT, and how do I know if it's taking place on my network?
- What are a TV tower's effects on your network?
- Differences between Internet Connection Sharing (ICS) and bridging
- How do you design networks to allow for future growth?
- How do IP addresses work on Layer 2 switches?
- What is the procedure for assigning network addresses?
- How to build a database server farm using different topologies