engineering computer science MCQ #914

engineering computer science MCQ #914

1. Question 1

   Q1. What is the purpose of the subnet mask in IP addressing?

   • A) To identify the host ID
   • B) To determine the network ID
   • C) To apply to both host and network IDs
   • D) To differentiate between IPv4 and IPv6

   Answer: To determine the network ID

   Explanation: The subnet mask is applied to an IP address using bitwise AND to determine the network ID and subnet.