networking

Understanding UDP

Mar 28, 2011 · 2 min read · CCENT CCNA cisco computers ICND1 ICND2 Internet Internet Protocol IP address networking Packet Protocols technology Transmission Control Protocol Transmission Protocols Trivial File Transfer Protocol User Datagram Protocol ·

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Forever ago I talked about TCP (Understanding TCP) and I said that in that post that UDP would be another day, well this is the day where we get to understand UDP, which stands for User Datagram Protocol. UDP is the total opposite of the TCP communication. UDP in short sends information or data without notifying the …

How I passed the ICND1 Exam

Mar 21, 2011 · 5 min read · CCENT Certification Cisco Cisco Career Certifications Cisco Networking Academy Education ICND1 networking Life technology ·

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Well my first of the many Cisco certifications that I plan take in the future was a success! I was able to pass the ICND1 exam. This blog post is going to be a little different in that I want to share how I was able to pass this test and talk about my experience. Well in January after finishing the Cisco Networking …

Understanding Zone Based Firewalls

Mar 18, 2011 · 5 min read · CCNA Security Cisco cisco firewall networking operating systems router security software technology tutorial Tutorials ·

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Earlier we talked about using CBAC (See the post Understanding CBAC) the "classic firewall" and we mention some information about zone based firewalls but not nearly enough. So today we will be talking about zone based firewalls. Why are they different? We also will learn the basics about what is zone based …

Common Network Attacks

Mar 17, 2011 · 4 min read · CCENT CCNA CCNA Security Cisco computers Denial-of-service attack ICND1 ICND2 Network administrator networking Security security Server (computing) SYN flood technology Transmission Control Protocol User Datagram Protocol ·

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Network attacks have always been around but they are getting more advanced every day. These attacks are also easy to set up and use. In the past these types of attacks would have to be pulled off by someone who really knew about computers and to know what they are doing. That's a true hacker, now there are programs …

How a Router Routes

Mar 16, 2011 · 5 min read · ARP CCENT CCNA Cisco cisco computers ICND1 ICND2 Internet Protocol IP address MAC address networking Protocols router Subnetwork technology tutorial Tutorials ·

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This tutorial will be going over the basic information of how a router routes IP packets. Routers are used in the OSI layer three or the network layer. These routers have IP addresses and forward IP packets to the proper destination. This guide is somewhat basic and is assuming you have some information of how IP …