This set of multiple choice SAN storage questions and answers focuses on Storage Topologies viz. DAS, NAS and SAN topologies.
1. What is the most basic level of storage
a) SAN
b) DAS
c) NAS
d) ISCSI
View Answer
Explanation: None.
2. A NAS solution is most appropriate for what type of data environment
a) Secured Access
b) Shared access
c) Remote access
d) Parallel access
View Answer
Explanation: None.
3. Which three statements describe differences between Storage Area Network (SAN) and Network Attached Storage (NAS) solutions? Choose three.
i. SAN is generally more expensive but provides higher performance
ii. NAS uses TCP/IP for communication between hosts and the NAS server
iii. NAS requires additional hardware on a host: a host bus adapter for connectivity
iv. SAN uses proprietary protocols for communication between hosts and the SAN fabric
a) i,ii, iii
b) i, ii, iv
c) ii, iii, iv
d) i, ii, iii
View Answer
Explanation: None.
4. I/O requests to disk storage on a SAN are called
a) File I/Os
b) SAN I/Os
c) Block I/Os
d) Disk I/Os
View Answer
Explanation: None.
5. What’s the demerits of DAS ?
a) Interconnect limited up to 10km
b) Excessive network traffic
c) Distance limitations and slow speed
d) Distance limitations and Inability to share data with other servers
View Answer
Explanation: None.
6. Which topology is best suited for medium sized enterprise.
a) NAS
b) SAN
c) DAS
d) None of the mentioned
View Answer
Explanation: None.
7. Disk controller driver in DAS architecture is replaced in SAN either with ——
a) FC Protocol
b) iSCSI
c) TCP/IP stack
d) Any one of the mentioned
View Answer
Explanation: None.
8. Which storage technology requires downtime to add new hard disk capacity
a) DAS
b) SAN
c) NAS
d) None of the mentioned
View Answer
Explanation: None.
9. In SAN storage model, the operating system view storage resources as —— devices
a) FC
b) SCSI
c) SAN
d) None of the mentioned
View Answer
Explanation: None.
10. Identify a network file protocol in the below mentioned set.
a) FC
b) CIFS
c) SCSI
d) NAS
View Answer
Explanation: None.
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