An e-commerce website usually has a relatively stable business volume, so I purchased the server and built a private cloud operation During the Double Eleven promotion, the business volume is very large, so we rent the server from the operator's public cloud to share the festival's burden Netherlands, this cloud computing deployment model belongs to?
Given this scenario. A company wants replication of data between two data centers that are 2000 km apart. Which replication method is most recommended?
The following two descriptions are correct:
Description 1: Synchronous remote replication, when the primary storage fails, the amount of data lost can be
0.
Description 2: When the host is a Linux-based file system, asynchronous remote replication must be used.
The following two descriptions about cloud computing,
Description 1. A deployment model of cloud computing is to divide a large physical server into multiple small virtual machines; Description 2. A deployment model of cloud computing is to aggregate multiple small physical servers into one mainframe.
