Answer:
A virtual privte network is a particular type of network that uses circuits that run over the Internet but that appears to the user to be a private network.
Explanation:
A hub is used to send the message from one port to other ports.It does not know the specific address of the destination where the message needs to send.it works on Physical layer of the OSI model(layer 1).
A switch can handle data and it knows the specific address of the destination.A switch works on the data link Layer of the OSI model(layer 2).
Answer:
Option A. is correct
Explanation:
It now not possible for a country to be "occupied" by an invisible invader that arrives through airwaves and wireless networks. It is almost impossible to block foreign countries’ satellite broadcasts and Internet transmissions inspite of Spy satellites and other communications technology and Global positioning systems.
Option A. is correct
Answer:
The correct answer is letter "A": controlling.
Explanation:
There are four (4) basic management skills: <em>Planning, Controlling, Organizing, </em>and <em>Leading. </em>
Controlling implies reviewing the objectives the firm has established to evaluate the progress. It also involves measuring the resources the firm has available for reaching its goals and verifying if they will be enough to get to the finish line, otherwise, the company should find more efficient forms of allocating resources and funding its operations.
In other words, <em>the controlling skill of management sets the standards of performance within the institution.</em>
Answer:
Technology allows digital notes to be shared on the Internet.
Explanation: