Top 1000+ Solved Computer Networks MCQ Questions Answer

From 331 to 345 of 952

Q. AJAX stands for _______

a. asynchronous javascript and xml

b. advanced jsp and xml

c. asynchronous jsp and xml

d. advanced javascript and xml

  • a. asynchronous javascript and xml

Q. The data field cannot carry which of the following?

a. tcp segment

b. udp segment

c. icmp messages

d. smtp messages

  • c. icmp messages

Q. What should be the flag value to indicate the last fragment?

a. 0

b. 1

c. ttl value

d. protocol field value

Q. Which of these is not applicable for IP protocol?

a. is connectionless

b. offer reliable service

c. offer unreliable service

d. does not offer error reporting

  • b. offer reliable service

Q. Which of these is not applicable for IP protocol?

a. connectionless

b. offer reliable service

c. offer unreliable service

d. does not offer error reporting

  • b. offer reliable service

Q. Which of the following demerits does Fragmentation have?

a. complicates routers

b. open to dos attack

c. overlapping of fragments

d. all of the mentioned

  • d. all of the mentioned

Q. Which field helps to check rearrangement of the fragments?

a. offset

b. flag

c. ttl

d. identifier

  • a. offset

Q. In IPv4 Addresses, classful addressing is replaced with ________

a. classless addressing

b. classful addressing

c. classful advertising

d. classless advertising

  • a. classless addressing

Q. First address in a block is used as network address that represents the ________

a. class network

b. entity

c. organization

d. codes

  • c. organization

Q. In classful addressing, a large part of available addresses are ________

a. organized

b. blocked

c. wasted

d. communicated

  • c. wasted

Q. Network addresses are a very important concept of ________

a. routing

b. mask

c. ip addressing

d. classless addressing

  • c. ip addressing

Q. Which of this is not a class of IP address?

a. class e

b. class c

c. class d

d. class f

  • d. class f

Q. The size of an IP address in IPv6 is _________

a. 4 bytes

b. 128 bits

c. 8 bytes

d. 100 bits

  • b. 128 bits

Q. The header length of an IPv6 datagram is ___________

a. 10bytes

b. 25bytes

c. 30bytes

d. 40bytes

  • d. 40bytes
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