You have an Azure virtual network named VNet1 that contains the following settings: - IPv4 address space: 172.16.10.0/24 - Subnet name: Subnet1 - Subnet address range: 172.16.10.0/25 What is the…

The correct answer is C. 123. There are 32 bits available, under IP4, If you want to use 25 bits to define the network address, 32 - 25 means 7 bits are left for hosts and other stuff and 7 bits can represent 127 hosts, (64 + 32+16+8+4+2+1= 127.) but since you can't use the top and the bottom ones as they…

Submitted by ahmad_uae· Mar 4, 2026Configure and manage virtual networking

Question

You have an Azure virtual network named VNet1 that contains the following settings: - IPv4 address space: 172.16.10.0/24 - Subnet name: Subnet1 - Subnet address range: 172.16.10.0/25 What is the maximum number of virtual machines that can connect to Subnet1?

Options

A24
B25
C123
D128
E251

How the community answered

(15 responses)

B
13% (2)
C
80% (12)
E
7% (1)

Explanation

There are 32 bits available, under IP4, If you want to use 25 bits to define the network address, 32 - 25 means 7 bits are left for hosts and other stuff and 7 bits can represent 127 hosts, (64 + 32+16+8+4+2+1= 127.) but since you can't use the top and the bottom ones as they are used for other purposes, that leaves 125 free IP address numbers for hosts. There is usually a Gateway address in there somewhere as well as the network address so (125-2 =123) 123VM can be connect to /25 subnet.

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