The correct answer is: A. all im clients use peer-to-peer messaging.
Instant messaging (IM) is a text-based communication method between two or more people that is transmitted over the Internet. IM clients are software applications that allow users to send and receive IM messages.
There are two main types of IM clients: peer-to-peer clients and client-server clients. Peer-to-peer clients communicate directly with each other, while client-server clients communicate with a central server.
Most IM clients use a client-server architecture. This means that the client software is installed on the user’s computer, and the server software is installed on a central server. The server software manages the communication between the clients.
There are a few reasons why client-server IM is more popular than peer-to-peer IM. First, client-server IM is more reliable. If one client is offline, the other clients can still communicate with each other through the server. Second, client-server IM is more secure. The server can encrypt the messages, which makes it more difficult for unauthorized users to read them. Third, client-server IM is more scalable. It can support a larger number of users than peer-to-peer IM.
IM software aimed at businesses such as XMPP, Lotus Sametime, and Microsoft Office Communicator use a client-server architecture. This is because businesses need a reliable and secure way to communicate with their employees.
Instant messaging is as popular in business as it is in personal communications. In fact, a recent study found that 82% of businesses use IM. IM is a quick and easy way for employees to communicate with each other, and it can help to improve collaboration and productivity.