The answer for this multiple choice isB
Usually a LAN (Local Area Network), but it's not a requirement. A WAN (Wide Area Network) would need to be used in a multi-campus setup.
Do u have a picture how can i solve the problem
Answer:
B. client server
Explanation:
Someone hacked into an employees computer and erased all of their data. The employee had last performed a backup three weeks back. This means that there is a backup server in the company. In other words, the network architecture is of the form client-server where data from the employee computers is backed up to a centralized repository from where content could be restored. Hence option B represents the most likely choice.
Answer:
employees.get(0)
Explanation:
In the programming, the index of ArrayList start from zero.
So, the element start storing in the ArrayList from the zero index.
get() is the function which is used to retrieve or getting the value in the
ArrayList.
The function employees.get(0), it retrieve the element of zero index.
The function employees.get(1), it retrieve the element of first index.
The function employees.first(1), it is wrong calling.
The function employees.get(), it is wrong calling. you have to enter the index value inside the get().