Difference between revisions of "DNS of CNM Cloud"

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===Key terms===
 
===Key terms===
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:'''[[Internet]]'''. The largest network of interconnected [[computing device]]s that use the [[Internet protocol suite]], [[TCP]]/[[IP]], to link the ''devices'' globally.<div style="background-color:#efefef; padding: 5px; margin: 15px;">
 
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:*'''[[Mobile app]]''' ([[mobile application]] or, simply, an [[app]]) is an [[end-user application]] that is designed to run on a [[mobile device]]. ''Mobile apps'' often stand in contrast to [[web application]]s which run in [[mobile web browser]]s rather than directly on the ''mobile device''. ''Mobile apps'' often refer those applications as [[web version]]s.
 
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:*'''[[World Wide Web]]''' ([[WWW]], [[www]]). The part of the [[Internet]] that contains inter-linked hypertext documents, especially [[webpage]]s, and web applications. The web resources are identified by [[Uniform Resource Locator]]s ([[URL]]s) and accessible via the [[web browser]]s. The other parts of the [[Internet]] include [[email]], [[VoIP]] telephony, and file exchange.</div>
 
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:'''[[Web browser]]'''. Any [[end-user application]] that allows for browsing [[web document]]s published at the [[World Wide Web]]. To request the ''Browser'' display some [[website]], a user enters into the ''Browser'' the ''website's'' [[hostname]]. Then, the ''Browser'' utilizes [[DNS]] to locate the sought ''website'' in the [[World Wide Web]] and to get its [[landing page]]'s [[web document]] in order to display this ''webpage'' in the ''Browser''.<div style="background-color:#efefef; padding: 5px; margin: 15px;">
 
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:*'''[[URL]]'''. The acronym for [[Uniform Resource Locator]]. A reference to a [[web resource]] that specifies its location on a computer network and a mechanism for retrieving it. ''URLs'' consist of two mandatory fields, (a) type of ''resource'' such as <code>https</code> for [[webpage]]s, <code>ftps</code> for file transfers, <code>mailto</code> for emails, etc., and (b) [[hostname]], as well as of optional (c) one or more [[submomain]]s and (d) a [[file name]], if any.
 
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:*'''[[Web search engine]]''' ([[Internet search engine]]). A [[software system]] that is designed to search the [[World Wide Web]] for particular information specified in a textual web search query.</div>
 
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:'''[[Website]]'''. A collection of [[webpage]]s that are located at the same [[hostname]].<div style="background-color:#efefef; padding: 5px; margin: 15px;">
 
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:*[[File:Cnm-cyber-com.png|400px|thumb|right|Draft of [[CNMCyber.com]] landing]]'''[[Landing page]]'''. A single [[webpage]] that welcomes a visitor to the [[website]] to which the ''Page'' belongs. The ''Page'' casually returns in response to user's clicking on a search result delivered by a [[web search engine]], marketing promotion, marketing email, or an online advertisement, as well as typing the [[website]]'s [[hostname]] into [[web browser]]'s [[address bar]].</div>
 
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:'''[[DNS]]'''. The acronym for [[Domain Name System]]. Originally created for name mapping, ''DNS'' today also defines technical settings for its core mapping service. In addition, ''DNS'' is used to set up functionality for the [[email]]s using [[DNS record]] such as [[MX record|MX]] and [[TXT record]]s.<div style="background-color:#efefef; padding: 5px; margin: 15px;">
 
:'''[[DNS]]'''. The acronym for [[Domain Name System]]. Originally created for name mapping, ''DNS'' today also defines technical settings for its core mapping service. In addition, ''DNS'' is used to set up functionality for the [[email]]s using [[DNS record]] such as [[MX record|MX]] and [[TXT record]]s.<div style="background-color:#efefef; padding: 5px; margin: 15px;">
 
:*'''[[Hostname]]''' ([[Hostname|domain name]]). A humanly readable label or alias that is assigned to a particular [[IP address]] or another identification for a host device that is a part of the [[Internet]] or another computing network.
 
:*'''[[Hostname]]''' ([[Hostname|domain name]]). A humanly readable label or alias that is assigned to a particular [[IP address]] or another identification for a host device that is a part of the [[Internet]] or another computing network.

Revision as of 16:13, 6 September 2020

CNM Cyber

CNM Cloud Domains (hereinafter, the Lectio) is the lesson part of the CNM Cloud Essentials lesson that introduces its participants to CNM Cloud. This lesson belongs to the Introduction to CNM Cyber session of the CNM Cyber Orientation.


Content

The predecessor lectio is CNM Cloud Online.

Key terms

DNS. The acronym for Domain Name System. Originally created for name mapping, DNS today also defines technical settings for its core mapping service. In addition, DNS is used to set up functionality for the emails using DNS record such as MX and TXT records.

address bar

Script

Until CNM Cyber's mobile app is developed, every user of CNM Cyber must use a web browser such as Apple Safari, Mozilla Firefox, or any other, to access this platform through its websites.
In the World Wide Web, CNM Cyber is located at the CNMCyber.com hostname. Its landing page has been drafted, but not available yet. When it is launched, that page will help its visitors to navigate through various CNM Cyber services.
Various systems of CNM Cyber are available at subdomains such as cabin.cnmcyber.com for CNM Cabin, cert.cnmcyber.com for CNM Cert, social.cnmcyber.com for CNM Social, tube.cnmcyber.com for CNM Tube, or wiki.cnmcyber.com for CNM Wiki.
The CNM Next Apps, which are those versions of CNM apps that are installed on the CNM Next Servers, feature the .next. field added to their hostnames such as cert.next.cnmcyber.com and social.next.cnmcyber.com.
Similarly, the CNM HandsOn Apps, which are those versions of CNM apps that are installed on the CNM HandsOn Servers, feature the .handson. field added to their hostnames such as tube.handson.cnmcyber.com and wiki.handson.cnmcyber.com.
To display any webpage, one needs to type its URL into the address bar of web browser. The bar is always located on the top of the page. It is often confused with an input field of web search engine. If you cannot locate the bar, most likely, you use a mobile app.
DNS stands for Domain Name System; it describes a system of hostnames, subdomains, etc. Similarly to whole CNM Cyber, its DNS is a living endeavor as well. For instance, CNM Cabin is temporarily located at opplet.net, not at its "right" subdomain.

CNM Cloud Websites is the successor lectio.

Questions

Lectio quiz

The answer is recorded for the lectio completion purpose:

Placement entrance exam

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