Answer:
The correct answer to the following question will be Option a (10.5.0.0 255.255.240.0 ).
Step-by-step explanation:
10.5.0.0 / 20
/20 = 16
⇒ Number of networks = 10.5.0.0.
⇒ The first host is = 10.5.0.1.
⇒ The last host is = 10.5.15.254.
The hosting is from 10.5.0.1 to 10.5.15.254.
And, throughout the 10.5.48.1 255.255.240.0 reference or comparison subnet.
The hosting is from 10.5.48.1 to 10.5.63.254.
That's why 10.5.0.0 255.255.240.0 is accurate.