This device acts a multiport repeater, blindly regenerating and repeating any incoming electrical signal out all other ports, even ignoring CSMA/CD rules. Which of the following device fits the description?

The steps of asynchronous remote replication multi-point technology, is the following statement correct?
(1) A new time slice (T2, P2) is generated in the cache of the master LUN and the slave LUN at the start of each replication cycle (2) The newly written data of the host is cached in the time slice T2 of the main LUN Cache, responding to the completion of the host (3) The master and slave LUNs each release the received data (4) Copy the data of time slice T1 directly to the slave LUN and write it to the time slice P2 of the slave LUN

What technology is used to convert Thick LUN and Thin LUN?

What are the challenges facing traditional data centers? (Multiple choice)

HA (High Availability) refers to the ability to continue to access applications in the event of a single component failure in the local system. In a data center, the downtime is one hour a year, so what is the HA of the data center?