Computer Networks Questions & Answers – IPv4 Addressing MCQ أسئله شبكات بالأجابات الجزء الثاني و الاربعون

Computer Networks Questions & Answers – IPv4 Addressing

1. Which of these is not applicable for IP protocol?
a) Connectionless
b) Offer reliable service
c) Offer unreliable service
d) None of the mentioned

Answer: b
Explanation: IP offers unreliable service.

2. Fragmentation has following demerits
a) Complicates routers
b) Open to DOS attack
c) Overlapping of fragments
d) All of the mentioned

Answer: d
Explanation: Fragmentation makes the implementation complex and also can create DOS attack.

3. Which field helps to check rearrangement of the fragments?
a) Offset
b) Flag
c) TTL
d) Identifier

Answer: a
Explanation: offset field specifies where the fragment fits in the original datagram.

4. In classless addressing, there are no classes but addresses are still granted in
a) IPs
b) Blocks
c) Codes
d) Sizes

Answer: b
Explanation: In classless addressing, there are no classes but addresses are still granted in blocks.

5. In IPv4 Addresses, classful addressing is replaced with
a) Classless Addressing
b) Classful Addressing
c) Classful Advertising
d) Classless Advertising

Answer: a
Explanation: Classful addressing is replaced with classless addressing.

6. First address in a block is used as network address that represents the
a) Class Network
b) Entity
c) Organization
d) Codes

Answer: c
Explanation: First address in a block is used as network address that represents the organization.

7. In classful addressing, a large part of available addresses are
a) Organized
b) Blocked
c) Wasted
d) Communicated

Answer: c
Explanation: In classful addressing, a large part of available addresses are wasted.

8. Network addresses are very important concepts of
a) Routing
b) Mask
c) IP Addressing
d) Classless Addressing

Answer: c
Explanation: Network addresses are very important concepts of IP addressing.

9. Which of this is not a class of IP address?
a) ClassE
b) ClassC
c) ClassD
d) ClassF

Answer: d
Explanation: Class F is not a class of IP addressing.

تابع أسئلة الشبكات