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Family / friends / Personal

December 12, 2012

RTA Update 12/12/12

Here is another exciting edition of RTA Update. I was busy today.  I had some of my friends visiting me since we haven’t seen each other for a while and they wanted to see how I was feeling since I haven’t been feeling well lately.  We wound up playing some Video Games on the PS3, WII and PC. We enjoyed a good time. It was what I have been looking for since I haven’t been feeling well. On Tuesday I went to the doctor about my Panic/Anxiety attacks. My doctor adjusted some of medicine as well as gave me an...

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Certifications / Networking / Technology

December 11, 2012

TCP/IP Subnetting Quick Tip

Here is a quick tip. Memorize the Private TCP/IP  address ranges. There will most likely be questions on the certification exams regarding information on RFC-1918 aka the private IP ADDRESSING ranges. There are 3 blocks of un-routable addresses you can use when designing your networks. Class A: 10.0.0.0 – 10.255.255.255 (10.0.0.0/8) Class B: 172.16.0.0 – 172.31.255.255 (172.16.0.0/12) Class C: 192.168.0.0 – 192.168.255.255 (192.168.0.0/16) These will help you in the exam when they ask you which is a valid private ip addressing scheme to use within your network. Beware of the trick questions when they ask what the masks are. I...

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Certifications / Computers / Networking / Technology

December 10, 2012

TCP/IP Subnetting

As I have mentioned before I have been working with computer networks for the past 10 years or so. One of the most challenging concepts that I have encountered while I studying to get my CCNA was learning how to Subnet and how to subnet the subnets using Variable Length Subnet Masks (VLSM). I quickly found out that if you do not have a solid foundation on how to subnet and how to use VLSM’s you will have a hard time understanding and implementing other networking features. These features would include IP Access Lists, Route Maps, Policy Maps, Distribution Lists…...

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