CCNA 98 Wireless Introduction
CCNA 200-301- | CCNA 98 Wireless Introduction | Live Batch
CCNA Video # 64 OSPF Network Type Theory ( Feb Batch Live Class)
Wireless Introduction:
Communication: Transferring of data from one point to another point is known as communication.
• If device is using wired to connect other device then it is known as wired communication.
• If device is not using wired to connect other devices then it is known as wireless Communication.
• A wired network uses cables to connect devices, such as laptop or desktop computers, to the Internet or another network.
• The most common wired networks use cables connected at one end to an Ethernet port on the network router and at the other end to a computer or other device.
Wired network:
• In computing terminology, the term “wired” is used to differentiate between wireless connections and those that involve cables.
• A wired setup uses physical cables to transfer data between different devices and computer systems.
• The cables can be copper wire, twisted pair or fiber optic.
• Wired network is used to carry different forms of electrical signals from one end to the other.
• Most wired networks use Ethernet cables to transfer data between connected PCs.
• Ethernet works or operates in a narrow range and it is little bit difficult to configure as compared to wireless networking technologies.
Wireless Network:
• Wi-Fi stands for Wireless Fidelity.
• WIFI services are defined in the IEEE 802.11 standard.
• IEEE stands for Institute of Electrical and Electronics Engineers.
• Wireless network refers to the use of infrared or radio frequency signals to share information and resources between devices.
• Wireless technologies are designed to reduce the time and different type of obstacles created by the cables.
• Wireless network does not use wires for data or voice communication; it uses radio frequency waves.
• Many types of wireless devices are available today; for example, cellular mobile, handheld PCs, satellite receivers, laptop, wireless sensors etc.
• Easy to setup.
• Fewer Configurations (One person could do it).
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