EMC技术类笔试题

EMC技术类笔试题

EMC技术支持类部分笔试题

1 What are the differences between RAM、ROM and Flash RAM?
2 Please explain the following terms.
RAID 0
RAID 1
RAID 3
RAID 5
RAID 6
3 What’s the difference between DNS and WINS ?
4 For a SATA 160 Gb 10,000rpm disk drive, what is the average amount of time it takes for the data to be read?
5 What is a Race Condition? Please provide an example of a Race Condition.
6 Small Page Size gives you Small Page Table (T/F)
Small Page Size generates more LTB( Translation Lookaside Buffer) (T/F)
Small Page Size causes less Page Faults (T/F)
7 Please compare polling I/O with interrupt-drive I/O .
In what situation would you favour one technique over the other?
8 What is the difference between NAS and SAN storage?