Answer:
SAN
Explanation:
A Storage Area Network (SAN) is a high-speed sub network of shared storage devices. A SAN's architecture works in a way that makes all storage devices available to all servers on a LAN or WAN. As more storage devices are added to a SAN, they too will be accessible from any server in the larger network.
Answer:
several personnel accessing the registration system
Explanation:
batch processing is all about multiprogramming so I think the first answer is the best as it is not based on one person .I know the last answer might be almost close but on a closer look it is not the answer as it is single based as written a file