Question Detail

ICMP works on which layer

  • Physical Layer
  • Datalink Layer
  • Network layer
  • Transport Layer

Answer: Option C
Similar Questions :

1. Which protocol uses window flow system

  • UDP
  • TCP
  • FTP
  • None of above

Answer: Option B

2. Which layer will be used while transmitting data using FTP or Telnet

  • Presentation
  • Application
  • Session
  • Transport

Answer: Option B

3. Which protocol deals with emails

  • FTP
  • SMTP
  • LPD
  • X window

Answer: Option B

4. Which IP is reserved for loopback testing

  • 192.168.0.0
  • 10.255.255.255
  • 255.0.0.0
  • None of above

Answer: Option D

Explanation:

127.0.0.1 is reserved for loopback testing

5. Which class is given wrong here ?

  • CLASS A = 1 to 126
  • CLASS B = 128 to 191
  • CLASS C = 192 to 220
  • CLASS D = 224 to 239 (Multicasting)
  • CLASS E = 240 to 255 (Research)

Answer: Option C

Explanation:

CLASS C is from 192 to 223

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