SAN network-based data replication technology is a storage area network between front-end application servers and back-end storage systems Network (SAN), adding a layer of intelligent switches, the front end is connected to the server host, and the back end is connected to the storage device.

According to the changes in the amount of backup data, the types of backup can be divided into:

What is wrong with the following description of NAS? (Multiple choice)

The following description of NAS is correct:
Description 1: NAS is always based on file sharing.
Description 2: The distance of the network connection affects the performance of the NAS.

Statement 1: A disk drive with a high latency performs better than a disk drive with a low latency.
Statement 2: A smaller seek time means that the disk performs better.