Chapter 1
Networking Concepts
Course: Comptia Network N10 009 Practice Test
Subject: Comptia Network N10 009
Chapter: Networking Concepts
Transmission Media Overview
Transmission media refers to the physical or wireless pathways through which data is transmitted between devices. These pathways are broadly categorized into wireless and wired media.
Wireless Media relies on electromagnetic signals for data transmission, while wired media uses physical cables to connect devices. Each type has its strengths, weaknesses, and applications.
Wireless Media
1. 802.11 Standards (Wi-Fi):
- The 802.11 standards, developed by the Institute of Electrical and Electronics Engineers (IEEE), define the protocols and specifications for Wireless Local Area Networks (WLANs). These standards allow devices to communicate wirelessly over short to medium ranges within homes, businesses, and public spaces. Wi-Fi, based on these standards, has become the cornerstone of modern networking, connecting devices such as laptops, smartphones, tablets, IoT devices, and more to the internet and local networks. Key Features of 802.11 Standards: