{"id":130927,"date":"2023-05-11T17:24:39","date_gmt":"2023-05-11T11:54:39","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?page_id=130927"},"modified":"2024-04-12T14:34:12","modified_gmt":"2024-04-12T09:04:12","slug":"devices-at-different-layers","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/devices-at-different-layers\/","title":{"rendered":"Devices at different layers"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\"><strong>Devices at different layers<\/strong><\/h4>\n\n\n\n<p>In computer networking, devices can be classified into different layers based on their functions and responsibilities. Here are some examples of devices at different layers:<\/p>\n\n\n\n<p><strong>1. Physical layer<\/strong>: The physical layer is responsible for transmitting raw data bits over a communication channel. Devices at this layer include:<\/p>\n\n\n\n<p>Network Interface Cards (NICs): These are hardware components that provide the physical interface between a computer and a network. They typically connect to a network using an Ethernet cable or a wireless connection.<\/p>\n\n\n\n<p>Hubs: A hub is a simple networking device that connects multiple devices together. It operates at the physical layer and forwards all incoming data to all connected devices.<\/p>\n\n\n\n<p><strong>2. Data link layer<\/strong>: The data link layer is responsible for transmitting data frames between adjacent network nodes. Devices at this layer include:<\/p>\n\n\n\n<p>Switches: A switch is a networking device that operates at the data link layer. It connects multiple devices together and forwards data frames only to the device they are intended for.<\/p>\n\n\n\n<p>Bridges: A bridge is a device that connects two different network segments together. It operates at the data link layer and forwards data frames between the segments.<\/p>\n\n\n\n<p><strong>3. Network layer<\/strong>: The network layer is responsible for routing data between different networks. Devices at this layer include:<\/p>\n\n\n\n<p>Routers: A router is a networking device that operates at the network layer. It forwards data packets between networks based on their destination IP address.<\/p>\n\n\n\n<p><strong>4. Transport layer<\/strong>: The transport layer is responsible for providing reliable data transfer between applications. Devices at this layer include:<\/p>\n\n\n\n<p>Transport-layer protocols: These are software protocols that run on end systems and provide reliable data transfer between applications. Examples include Transmission Control Protocol (TCP) and User Datagram Protocol (UDP).<\/p>\n\n\n\n<p><strong>5. Application layer<\/strong>: The application layer is responsible for providing network services to end users. Devices at this layer include:<\/p>\n\n\n\n<p>Servers: Servers are computers that provide network services to clients. Examples include web servers, email servers, and file servers.<\/p>\n\n\n\n<p>Client applications: Client applications are software programs that run on end systems and communicate with servers to access network services. Examples include web browsers, email clients, and file transfer clients.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Apply for Basic Network Support Certification Now!!<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.vskills.in\/certification\/certified-basic-network-support-professional\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.vskills.in\/certification\/certified-basic-network-support-professional<\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><a href=\"https:\/\/www.vskills.in\/certification\/tutorial\/basic-network-support\/\" target=\"_blank\" rel=\"noreferrer noopener\">Back to Tutorial<\/a><\/strong><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Devices at different layers In computer networking, devices can be classified into different layers based on their functions and responsibilities. Here are some examples of devices at different layers: 1. Physical layer: The physical layer is responsible for transmitting raw data bits over a communication channel. Devices at this layer include: Network Interface Cards (NICs):&#8230;<\/p>\n","protected":false},"author":22,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[1053],"tags":[],"class_list":["post-130927","page","type-page","status-publish","hentry","category-basic-network-support"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Devices at different layers - Tutorial<\/title>\n<meta name=\"description\" content=\"Devices at different layers\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/devices-at-different-layers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Devices at different layers - 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