Server virtualization abstracts physical resources of a server into logical resources, changing one server into multiple virtual servers isolated from each other and eliminating physical restrictions.
Which of the following are in the server virtualization range? (Multiple Choice)

Block storage is a mode of storing data by block, and a block refers to the sector group on the underlying disk.
Which of the following statements regarding block storage is true?

To meet service demands, an administrator want store place a poor-performance server with a newly procured high-configuration server.
Which of the following statements regarding the process are true? (Multiple Choice)

Which of the following functions are supported by the firewalls managed by the Agile Controller-DCN? (Multiple Choice)

IEEE 802.1Qisa formal standard of virtual bridged LANs. It modifies Ethernet frames by adding an 802.1Q tag between the source MAC address field and the protocol type field.
How many bytes does a tag value consist of?