Which of the following protocols allows computers on different operating systems to share files and disk storage?

Which of the following is used to back up forensic evidences or data folders from the network or locally attached hard disk drives?

Which of the following terms refers to a mechanism which proves that the sender really sent a particular message?

You work as a Network Administrator for Net Perfect Inc. The company has a Windows Server 2008 network environment. The network is configured as a Windows Active Directory-based single forest single domain network. The network is configured on IP version 6 protocol. All the computers on the network are connected to a switch device. One day, users complain that they are unable to connect to a file server. You try to ping the client computers from the server, but the pinging fails. You try to ping the server's own loopback address, but it fails to ping. You restart the server, but the problem persists.
What is the most likely cause?

Which of the following uses hard disk drive space to provide extra memory for a computer?