Which type of storage is used to store NAS raw file data, and metadata?
Answer(s): B
NAS devices use block-based storage at the physical level to store both raw file data and file system metadata, even though they present a file-based interface to clients.
What is the key advantage of RAID 6 compared to RAID 5?
RAID 6 offers higher resiliency than RAID 5 because it can tolerate the simultaneous failure of two disks, while RAID 5 can only handle a single disk failure.
How does scale-out NAS achieve scalability?
Answer(s): A
Scale-out NAS systems achieve scalability by adding multiple NAS nodes to a cluster, allowing the system to grow capacity and performance linearly as new nodes are added.
An IT department needs to enable file sharing across different operating systems, such as Windows and Linux. They want to ensure efficient data sharing without complex folder and file metadata mapping and conversions.Which storage system should the IT department use?
Answer(s): D
A Network Attached Storage (NAS) system provides file-level access over a network, enabling efficient file sharing across different operating systems without complex metadata conversions, making it ideal for heterogeneous environments like Windows and Linux.
Which three factors affect a hard drive's performance? (Choose three.)
Answer(s): B,C,E
Seek time the time it takes the drive's read/write head to move to the correct track directly impacts access latency.Data transfer rate the speed at which data can be read from or written to the disk surface determines throughput.Rotational latency the delay waiting for the desired disk sector to rotate under the head affects overall read/ write performance.
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