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Answer:
D
Explanation:
Two dimensional array contain both rows and columns. Each row represented one record and each column represent one filed in that record.
for ex: int grades[5][3];
here array grades contains 5 rows and in each row we have 3 columns
if we have grades[i][j] then " i " represents number of rows and j represents the number of columns in that row.
j<grades[i].length represents i=0 to 2[here no of columns are 3, array index starts from 0 to 2]
The Answer is D
Answer: Botnet
Explanation:
Botnet is the process when a hacker user uses multiple guest computer to crack a password. Basically, hackers use botnet for performing the distributed denial of services attack in the network.
It also steal the data and allowed attacker to approach its connection and access its device.
Botnet word is the combination of robot and network and botnet can be controlled by using the command and control software.