In which of the following transmission modes is data sent and received alternatively?

Which firewall technology can filter application-specific commands such as GET and POST requests?

Which of the following is a type of scam that entices a user to disclose personal information?

In an Ethernet peer-to-peer network, which of the following cables is used to connect two computers, using RJ-45 connectors and Category-5 UTP cable?

Fred is a network technician working for Johnson Services, a temporary employment agency in Boston. Johnson Services has three remote offices in New England and the headquarters in Boston where Fred works.
The company relies on a number of customized applications to perform daily tasks and unfortunately these applications require users to be local administrators. Because of this, Fred's supervisor wants to implement tighter security measures in other areas to compensate for the inherent risks in making those users local admins. Fred's boss wants a solution that will be placed on all computers throughout the company and monitored by Fred. This solution will gather information on all network traffic to and from the local computers without actually affecting the traffic. What type of solution does Fred's boss want to implement?