LAN

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WAN Technology

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MPLS Describe MPLS is stands for Multiprotocol label switching which is a mechanism used inside the computer network infrastructures to speed up the time it takes a data packet to flow from a node to another. Diagram How it works In MPLS , packets are directed through the network based on an assigned label with original IP routing in a packet- switched network, each data packet could determine its own path through the network. Examples Traffic engineering network management ATM Description ATM is a technique for packet switching that is used by telecommunication networks which they used asynchronous time-division multiplexing to encode data into small fixed sized cells. It is known as Asynchronous Transfer Mode. Diagram How it works The sender and receiver on a network creates a fixed channel between each other before sending the data and then the information will be sent in order. Example It is used in the campus backbone. References Tech...
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Wireless Technologies

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802.11 Description It acts as an interface between wireless client and a server which is developed by Institute of Electrical and Electrical Engineering (IEEE). Diagram Example Infrared Description Diagram Example Bluetooth Description Diagram Example 3G Description Diagram Example
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Security

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IT Security Risk The problems and the dangers of the IT security A level of threat to organisational continuity Originating from malicious Poor quality security policies and testing/audit procedures IT Security important To prevent from stealing information Types of it security risk Unauthorized use of a system - Hacking -Unauthorized access is when someone gains access to a website...or other system using someone else's account or other methods. - E.g Guessing the password of someone account - Unauthorized access of area of the system such as company (Departments) Cause:- loss of the confidentiality loss of the integrity loss of the availability of the information technology assets. How to prevent:- Provide computer-based access control (Strong Password) Add additional securities such as biometrics Restrictions for only department such as HR department the information not for others Monitor such as BIBD Protect your information Unauthorized removal or c...
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