Understanding Subnet Masks: Identifying Network and Host with an IPv4 Address and Subnet Mask

Host-A has the IPv4 address and subnet mask 192.168.1.50, 255.255.255.0. Which of the following IPv4 addresses would be on the same network as Host-A? (Choose all that apply) A)192.168.0.1 B)192.168.0.100 C)192.168.1.1 D)192.168.1.100 E)192.168.2.1

The subnet mask 255.255.255.0 indicates that the first 24 bits of the IPv4 address are used to identify the network, while the remaining 8 bits are used to identify the host within that network.

Given that the host IP address is 192.168.1.50 and the subnet mask is 255.255.255.0, we can analyze the options provided:

A) 192.168.0.1 is on a different network because the first 24 bits do not match. The network part of this IP address is 192.168.0.x, which is different from 192.168.1.x.

B) 192.168.0.100 is on a different network for the same reason as option A. The network part is 192.168.0.x, not matching the network of Host-A.

C) 192.168.1.1 is on the same network as Host-A because the first 24 bits (192.168.1.x) match. Therefore, this IP address is correct.

D) 192.168.1.100 is on the same network as Host-A for the same reason as option C. The first 24 bits (192.168.1.x) match, satisfying the condition.

E) 192.168.2.1 is on a different network because the first 24 bits are not the same. The network part is 192.168.2.x which doesn’t match the network part of Host-A.

In conclusion, the IP addresses on the same network as Host-A are C) 192.168.1.1 and D) 192.168.1.100.

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