Plus Two / 12th Computer Applications - Book Back Answers - Chapter 12 - English Medium
Chapter 12: Domain Name System (DNS)
Tamil Nadu Board 12th Standard Computer Applications - Chapter 12: Book Back Answers and Solutions
This post covers the book back answers and solutions for Chapter 12 from the Tamil Nadu State Board 12th Standard Computer Applications textbook. These detailed answers have been carefully prepared by our expert teachers at KalviTips.com.
We have explained each answer in a simple, easy-to-understand format, highlighting important points step by step under the relevant subtopics. Students are advised to read and memorize these subtopics thoroughly. Once you understand the main concepts, you’ll be able to connect other related points with real-life examples and confidently present them in your tests and exams.
By going through this material, you’ll gain a strong understanding of Chapter 12 along with the corresponding book back questions and answers (PDF format).
Question Types Covered:
- 1 Mark Questions: Choose the correct answer, Fill in the blanks, Identify the correct statement, Match the following
- 2 Mark Questions: Answer briefly
- 3, 4, and 5 Mark Questions: Answer in detail
All answers are presented in a clear and student-friendly manner, focusing on key points to help you score full marks.
All the best, Class 12 students! Prepare well and aim for top scores. Thank you!
Chapter 12: Domain Name System (DNS)
I. Choose the correct answer.
1. Which of the following is used to maintain all the directories of domain names?
a) Domain name system
b) Domain name space
c) Name space
d) IP address
Answer Key:
a) Domain name system
2. Which of the following notation is used to denote IPv4 addresses?
a) Binary
b) Dotted-decimal
c) Hexadecimal
d) a and b
Answer Key:
d) a and b
3. How many bits are used in the IPv6 addresses?
a) 32
b) 64
c) 128
d) 16
Answer Key:
c) 128
4. Expansion of URL is
a) Uniform Resource Location
b) Universal Resource Location
c) Uniform Resource Locator
d) Universal Resource Locator
Answer Key:
c) Uniform Resource Locator
5. How many types are available in URL?
a) 2
b) 3
c) 4
d) 5
Answer Key:
a) 2
6. Maximum characters used in the label of a node?
a) 255
b) 128
c) 63
d) 32
Answer Key:
c) 63
7. In the domain name, the sequence of labels is separated by
a) semicolon (;)
b) dot (.)
c) colon (:)
d) NULL
Answer Key:
b) dot (.)
8. Which of the following initiates the mapping of domain name to IP address?
a) Zone
b) Domain
c) Resolver
d) Name servers
Answer Key:
c) Resolver
9. Which is the contiguous area up to which the server has access?
a) Zone
b) Domain
c)Resolver
d) Name servers
Answer Key:
a) Zone
10. Root Name servers are maintained by
a) IANA
b) ICANN
c) WHOIS
d) DNS
Answer Key:
b) ICANN
a) Domain name system
b) Domain name space
c) Name space
d) IP address
Answer Key:
a) Domain name system
2. Which of the following notation is used to denote IPv4 addresses?
a) Binary
b) Dotted-decimal
c) Hexadecimal
d) a and b
Answer Key:
d) a and b
3. How many bits are used in the IPv6 addresses?
a) 32
b) 64
c) 128
d) 16
Answer Key:
c) 128
4. Expansion of URL is
a) Uniform Resource Location
b) Universal Resource Location
c) Uniform Resource Locator
d) Universal Resource Locator
Answer Key:
c) Uniform Resource Locator
5. How many types are available in URL?
a) 2
b) 3
c) 4
d) 5
Answer Key:
a) 2
6. Maximum characters used in the label of a node?
a) 255
b) 128
c) 63
d) 32
Answer Key:
c) 63
7. In the domain name, the sequence of labels is separated by
a) semicolon (;)
b) dot (.)
c) colon (:)
d) NULL
Answer Key:
b) dot (.)
8. Which of the following initiates the mapping of domain name to IP address?
a) Zone
b) Domain
c) Resolver
d) Name servers
Answer Key:
c) Resolver
9. Which is the contiguous area up to which the server has access?
a) Zone
b) Domain
c)Resolver
d) Name servers
Answer Key:
a) Zone
10. Root Name servers are maintained by
a) IANA
b) ICANN
c) WHOIS
d) DNS
Answer Key:
b) ICANN
II.Answer the following questions.
12th Computer Application (soon)
III. Answer the following questions.
12th Computer Application (Soon)
IV. Answer the following questions.
12th Computer Application (Soon)
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