MCQ: Which of the following network is confined to a relatively small area? A internet
B Wan
C Man
D Lan

Answer by checking for voltage with a neon tester;

As computers and other digital devices have become essential to business and commerce, they have also increasingly become a target for attacks. in order for a company or an individual to use a computing device with confidence, they must first be assured that the device is not compromised in any way and that all communications will be secure

Answer(d) readers name,your name,the date,the subject,and the body of the memo;