{"id":59438,"date":"2024-04-16T01:37:10","date_gmt":"2024-04-16T01:37:10","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=59438"},"modified":"2024-04-16T01:37:10","modified_gmt":"2024-04-16T01:37:10","slug":"which-protocol-interacts-asynchronously-over-udp","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-protocol-interacts-asynchronously-over-udp\/","title":{"rendered":"Which protocol interacts asynchronously over UDP?"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;hmtp&#8221; option2=&#8221;coap&#8221; option3=&#8221;mqtt&#8221; option4=&#8221;tcp\/ip&#8221; correct=&#8221;option2&#8243;]<!--more--><\/p>\n<p>The correct answer is: <strong>B. CoAP<\/strong><\/p>\n<p>CoAP is a lightweight, application layer protocol for constrained devices and low-bandwidth networks. It is designed to be an alternative to HTTP for machine-to-machine (M2M) and Internet of Things (IoT) applications. CoAP is an application layer protocol that runs on top of User Datagram Protocol (UDP). UDP is a connectionless protocol, which means that it does not establish a connection between the sender and receiver before sending data. This makes UDP more efficient than connection-oriented protocols like TCP, but it also means that there is no guarantee that the data will be delivered. CoAP uses a request-response model, where the client sends a request to the server, and the server sends a response. CoAP messages are small, typically 8 to 12 bytes in size. This makes CoAP well-suited for constrained devices with limited resources.<\/p>\n<p>The other options are incorrect because:<\/p>\n<ul>\n<li>HTTP is a connection-oriented protocol that runs on top of TCP.<\/li>\n<li>TCP is a connection-oriented protocol that provides reliable, ordered, and error-checked delivery of data.<\/li>\n<li>MQTT is a publish\/subscribe messaging protocol that runs on top of TCP.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;hmtp&#8221; option2=&#8221;coap&#8221; option3=&#8221;mqtt&#8221; option4=&#8221;tcp\/ip&#8221; correct=&#8221;option2&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[730],"tags":[],"class_list":["post-59438","post","type-post","status-publish","format-standard","hentry","category-internet-of-things-iot","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which protocol interacts asynchronously over UDP?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-protocol-interacts-asynchronously-over-udp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which protocol interacts asynchronously over UDP?\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;hmtp&#8221; 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