CCNA

ISDN : Oldie But Goldie

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isdn modem

ISDN is an old technology but always up to date ! Today it is used still so much in any enterprises. Vendors know it and always keep their technology with ISDN. The ISDN-PRA (Integrated Services Digital Network – Primary Rate Access) is a facility to carry a number of synchronous digital communication channels to the […]

CCNA

Common Cable Types

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cables

Cables are the heart of the communication. There are many types of cables that are being used on network devices. Cabling functions are in the Layer – 1 of the OSI Model. So what that means ? That means you need to check the cables first if there is a problem in your network ! So […]

CCNA

RJ45 Pinout Diagram

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rj45 cable

RJ45 (Registered Jack 45) is the connector that consists of 8 metal connection point. RJ45 pinout diagram shows the way how that connector provides communication with network devices. RJ45 exists at the end of the ethernet cables that is used for internetwork communication. There are T568A and T568B standards which are used for RJ45 cabling and […]

CCNA

New CCNA Exam Topics

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ccna logo

Cisco announced that they are updating CCNA exam topics, latest code of CCNA exam is 200-125 ( CCNA v3) . New exam will last 90 minutes with approximately 50 or 60 questions.Old version of CCNA exam will be active until 20 August 2016. The biggest difference between the old one and this new version is […]