{"id":91984,"date":"2025-06-01T11:10:39","date_gmt":"2025-06-01T11:10:39","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=91984"},"modified":"2025-06-01T11:10:39","modified_gmt":"2025-06-01T11:10:39","slug":"consider-the-following-communication-technologies-closed-circuit-t","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-communication-technologies-closed-circuit-t\/","title":{"rendered":"Consider the following communication technologies :\n  Closed-circuit T"},"content":{"rendered":"<p>Consider the following communication technologies :<\/p>\n<ul>\n<li>Closed-circuit Television<\/li>\n<li>Radio Frequency Identification<\/li>\n<li>Wireless Local Area Network<\/li>\n<\/ul>\n<p>Which of the above are considered Short-Range devices\/technologies ?<\/p>\n<p>[amp_mcq option1=&#8221;1 and 2 only&#8221; option2=&#8221;2 and 3 only&#8221; option3=&#8221;1 and 3 only&#8221; option4=&#8221;1, 2 and 3&#8243; correct=&#8221;option4&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC IAS &#8211; 2022<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-ias-2022.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-ias-2022\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nAll three technologies &#8211; Closed-circuit Television (CCTV), Radio Frequency Identification (RFID), and Wireless Local Area Network (WLAN) &#8211; are considered short-range devices\/technologies, especially when compared to long-range communication systems like cellular networks or satellite communication.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; CCTV systems, particularly wireless ones, operate within a limited range, typically covering a building or property.<br \/>\n&#8211; RFID systems, especially passive RFID, have very short read ranges (centimeters to meters), though active RFID can extend this. They are primarily for local identification or tracking.<br \/>\n&#8211; WLAN (Wi-Fi) is designed for local area coverage within buildings, homes, or limited outdoor hotspots, typically extending tens to hundreds of meters.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe term &#8220;short-range&#8221; is relative. While ranges vary greatly within each category based on specific implementation (e.g., frequency, power), in the general context of communication technologies, all three are typically used for localized communication or surveillance rather than wide-area networking or long-distance transmission.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Consider the following communication technologies : Closed-circuit Television Radio Frequency Identification Wireless Local Area Network Which of the above are considered Short-Range devices\/technologies ? [amp_mcq option1=&#8221;1 and 2 only&#8221; option2=&#8221;2 and 3 only&#8221; option3=&#8221;1 and 3 only&#8221; option4=&#8221;1, 2 and 3&#8243; correct=&#8221;option4&#8243;] This question was previously asked in UPSC IAS &#8211; 2022 Download PDFAttempt Online &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Consider the following communication technologies :\n  Closed-circuit T\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-communication-technologies-closed-circuit-t\/#more-91984\">Detailed Solution<span class=\"screen-reader-text\">Consider the following communication technologies :<br \/>\n  Closed-circuit T<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1092],"tags":[1108,1113],"class_list":["post-91984","post","type-post","status-publish","format-standard","hentry","category-upsc-ias","tag-1108","tag-information-and-communication-technology","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>Consider the following communication technologies :  Closed-circuit T<\/title>\n<meta name=\"description\" content=\"All three technologies - Closed-circuit Television (CCTV), Radio Frequency Identification (RFID), and Wireless Local Area Network (WLAN) - are considered short-range devices\/technologies, especially when compared to long-range communication systems like cellular networks or satellite communication. - CCTV systems, particularly wireless ones, operate within a limited range, typically covering a building or property. - RFID systems, especially passive RFID, have very short read ranges (centimeters to meters), though active RFID can extend this. They are primarily for local identification or tracking. - WLAN (Wi-Fi) is designed for local area coverage within buildings, homes, or limited outdoor hotspots, typically extending tens to hundreds of meters.\" \/>\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\/consider-the-following-communication-technologies-closed-circuit-t\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Consider the following communication technologies :  Closed-circuit T\" \/>\n<meta property=\"og:description\" content=\"All three technologies - Closed-circuit Television (CCTV), Radio Frequency Identification (RFID), and Wireless Local Area Network (WLAN) - are considered short-range devices\/technologies, especially when compared to long-range communication systems like cellular networks or satellite communication. - CCTV systems, particularly wireless ones, operate within a limited range, typically covering a building or property. - RFID systems, especially passive RFID, have very short read ranges (centimeters to meters), though active RFID can extend this. 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