multiple choice SAN storage questions and answers on SCSI standards.
1. What is SCSI?
a) Small Computer Simple Interface
b) System Computer Select Interface
c) Small Computer System Interface
d) Small Computer System Interconnect
Answer: c
2. Nexus is a relation between
a) Initiator and Target
b) Initiator, Target and Logical Unit
c) Initiator, Target, Logical Unit and Task
d) Any of the mentioned
Answer: d
3. Task can constitute
a) One command only
b) One or more commands
c) A single command or group of linked commands
d) Linked Commands Only
Answer: c
4. Task manager
a) Manages the devices
b) Manages tasks
c) Manages both tasks and devices
d) None of the mentioned
Answer: b
5. Untagged task is represented by
a) I_T nexus
b) I_T_L nexus
c) I_T_L_Q nexus
d) None of the mentioned
Answer: b
6. Which is not the main phase of I/O?
a) Data
b) Command
c) Status
d) Control
Answer: d
7. Which of the following is false?
a) CDB has a operation code
b) CDB has a control byte
c) CDB has both operation code and control byte
d) None of the mentioned
Answer: d
8. What is incorrect about Command Descriptor block?
a) It has SCSI command
b) Has fixed length of 6, 10, 12 or 16 bytes
c) Target fetches CDB from initiator
d) The CDB is sent during Data Phase
Answer: d
9. What is a Logical Unit?
a) subset of Target device
b) subset of Initiator
c) Subset of Device Server
d) Component of Interface
Answer: a
10. Which of them is not a valid SCSI command?
a) Bus Reset
b) Inquiry
c) Mode Sense
d) Read_10
Answer: a