A. FALSE
B. TRUE
A. 6 minutes
B. 5 minutes
C. 8 minutes
D. 7 minutes
A. Requires the application to use a highly available Active-Standby cluster
B. Redundant design at the network layer to avoid single point of failure
C. Zero downtime, zero service interruption, RTO=RPO=0
D. Requires storage to use highly available mirroring and synchronization technology
A. Heterogeneous virtualization, integrating storage resources of mainstream vendors’ equipment
B. Purchase storage resources on demand to reduce initial investment
C. Unified management of high, medium and low-end products to improve management efficiency exponentially
A. SMB 1.0 (CIFS)/SMB 2.0/2.1/3.0
B. HTTP, FTP
C. NDMP
D. NFS
A. Storage area network, including FC SAN and IP SAN
B. Servers and storage devices can be connected arbitrarily through the storage network
C. Host and storage devices can be expanded independently
D. Provide file-level data access and sharing services
A. 4+1
B. 3+1
C. 2+1
D. 1+1
A. FC
B. SAS
C. SATA
D. SSD
E. NL-SAS
A. Bad block isolation: When redundant blocks are exhausted, bad block isolation is no longer accessed.
B. ECC error correction: hard disk internal algorithm repairs bad blocks
C. Global wear of SSD hard disk
D. Redundant block replacement: If the bad block cannot be repaired, replace it with a redundant block
