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TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A

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TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A

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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A

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TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

12th Standard Computer Applications English Medium - DNS (Domain Name System) 3 Mark Book Back Question Paper and Answer Key 2022 - 2023

Published on: 10/09/2022

QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Computer Applications Subject - DNS (Domain Name System), English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.

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Std: 12th Standard - Computer Applications

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Questions:

Generic 3

6 x 3 = 18

Differentiate web address and URL

Write a note on domain name.

What are the differences between Absolute URL and Relative URL?

Differentiate Domain name and URL

Differentiate IPv4 and IPv6.

Write a note on DNS.

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Answers Key:

Generic 3

6 x 3 = 18

SI.No.	URL	Web address
1.	A URL is the address of a particular website, audio stream or document available on the web.	A web address more commonly defines a unique name that helps people remember a URL.
2.	URLs Consists of the internet protocol needed to access the item you wish to locate on the host computer	It is usually in simpler form, such as, www. google.com or www.Amazon.com. Generally your browser will recognize the proper URL when you type in a web address

(i) Domain name is the sequence of labels. In domain name the sequence of labels are separated by dot(.).
(ii) The domain name is always read from the lower level to higher level i.e., from the leaf node to root node.
(iii) The domain name which is obtained by reading the labels from bottom to top, separating each label by dot(.)

SI.No.	Absolute URL	Relative URL
1.	Absolute URL is the complete address of a document on the Internet.	Relative URL is the partial address of a document on the Internet.
2.	Absolute URL contains all the information that are required to find the files on the Internet.	Relative URL contains only file name or file name with folder name.
3.	If any of the four parts is missing, then the browser will not be able to link to the specific file. So, all the four parts are very important in absolute URL.	We can use this type of URL when the file is on the same server related to current document.

URL	Domain Name
(i) It is sequence of labels. Sequence of labels are separated by dot(.)	(i) URL is the address of a document on the Internet
(ii) Domain name is always read from the lower level to higher level (ie) From leaf node to root node.	(ii) URL is made up of four parts - protocols, hostname, folder name and file name.
(iii) Since the root node always represented NULL string, all the domain name ending with dot.	(iii) Each part has its own specific functions.Depending on the applications, additional information can be added to the URL.

No.	IPv4	IPv6
1.	IPv4 address is a 32 bit unique address given to a computer system.	IPv6 address is a 128 bit unique address given to a computer system.
2.	There are two ways to represent the IP address: Binary notation, Dotted-decimal notation.	It follows Hexadecimal number notation.
3.	The number of address that can be formed is 2³².	The number of addresses formed in IPv6 is 2¹²⁸

(i) Domain Name System (DNS) maintains all the directory of domain names and help us to access the websites using the domain names.
(ii) It translates the domain name into IP address.
(iii) The foure important components of the Domain Name System are Namespace, Name Server, Zone and Resolver.