Software Defined Storage (SDS) uses which type of technology to function?
A. replication
B. virtualization
C. authentication
D. Application
You want to improve disk space usage efficiency while maintaining high availability. In this scenario, which solution satisfies this requirement?
A. RAID 0
B. RAID 1
C. RAID 5
D. RAID 10
You have a RAID 5 set with five disks at 400 GB each. Approximately how much usable space would this configuration yield?
A. 1 terabyte
B. 2 terabytes
C. 1.2 terabytes
D. 16 terabytes
You want to use a light-weight communication API for cloud access. What would you use in this situation?
A. Representational State Transfer (REST)
B. Simple Object Access Protocol (SOAP)
C. Internet Engineering Task Force (IETF)
D. World Wide Web Consortium (W3C)
Which statement describes an N_Port login?
A. a process by which FC initiators establish sessions with targets
B. a process by which users obtain access to a host
C. a process by which a server HBA port logs in to a fabric
D. a process by which two FC-4 layer processes establish communication
Your customer has a Fibre Channel SAN environment and has properly zoned servers for storage with front end controller ports. When an administrator goes to initialize a provisioned volume, it is not seen on the server. What would cause this problem1?
A. an unplugged cable
B. a multi-path I/O failure
C. a corrupted volume
D. improper LUN masking
What are two requirements of a server cluster with regards to storage technologies? (Choose two.)
A. a file locking mechanism
B. a back-end storage database
C. a switch fabric
D. shared storage
What are two scenarios where using disk replication is a valid risk mitigation strategy? (Choose two.)
A. a primary storage array non-recoverable hardware failure
B. an extended power failure at the primary site
C. information destruction due to a security breach
D. system instability due to a bad OS update
At which point in the communication chain is multi-pathing initiated?
A. the switch level
B. the storage array level
C. the operating system device driver level
D. the physical cable interface level
A customer is considering mixing disk technologies in the same storage array to provide additional capabilities that they require. In this scenario, what would be a benefit of doing this?
A. to perform deduplication before writing data to the HDDs
B. to allow for more encrypted data to be stored on the array
C. to improve the performance of the array
D. to perform compression before writing data to the HDDs
