Host A (with IP address 192.168.0.10) wants to communicate with Host B (with IP
ID: 3846161 • Letter: H
Question
Host A (with IP address 192.168.0.10) wants to communicate with Host B (with IP address 192.168.20.2).
If the subnet mask for Host A is 255.255.255.0, will the hosts communicate using local transmissions or will they send information to the default gateway?
Show the workings for the ANDing process below.
Source IP
Source Subnet Mask
=
AND Result
Destination IP
Source Subnet Mask
=
AND Result
Source IP
Source Subnet Mask
=
AND Result
Destination IP
Source Subnet Mask
=
AND Result
Explanation / Answer
source IP 192.168.0.10
source subnet mask 255.255.255.0
IP address in binary 11000000.10101000.00000000.00001010
subnet mask in binary 11111111.11111111.11111111.00000000
AND result 11000000.10101000.00000000.00000000
source IP 192.168.20.2
source subnet mask 255.255.255.0
IP address in binary 11000000.10101000.00010100.00000010
subnet mask in binary 11111111.11111111.11111111.00000000
AND result 11000000.10101000.00010100.00000000
Since, both AND results are differ, Host A and B are in different
in subnet. Therefore, Host A uses the default gateway for the
transmission to Host B
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