Week 6 homework

1. (TCO 5) Which component of an Intelligent Storage System provides the interface between the storage system and the host?

a. The Front End
b. The Cache Memory
c. The Back End
d. The Physical Disks 2. (TCO 5) Which component of an Intelligent Storage System is made of semiconductor memory where data is placed temporarily?

a. The Front End
b. The Cache Memory
c. The Back End
d. The Physical Disks 3. (TCO 5) What is the smallest unit of cache that can be allocated?

a. book b. chapter c. section
d. page 4. (TCO 5) What is used by cache memory to indicate whether data in cache has been written to disk or not?

a. A dirty bit flag
b. A grimy bit flag
c. An uncommitted flag
d. A committed flag 5. (TCO 5) What term is give used to describe an operation where the required data was found in cache?

d. Read loss e. Read miss f. Read find
d. Read hit 6. (TCO 5) Select two protocols that are used as the transport mechanism when implementing IP SAN storage systems.

g. IPX/SPX
b. iSCSI
c. FCIP
d. SNA

7. (TCO 5) Which protocol is a host-based encapsulation of SCSI I/O over IP using an Ethernet NIC card or an HBA?

h. TCP/IP i. FC j. FCIP
d. iSCSI 8. (TCO 5) Which protocol is extensively used in disaster-recovery implementations where data is duplicated on disk or tape to an alternate site?

k. TCP/IP l. FC
c. FCIP
d. iSCSI 9. (TCO 5) Which protocol is used for connecting servers to storage because it is relatively inexpensive and easy to implement in environments where an FC SAN does not exist?

m. TCP/IP n. FC o. FCIP
d. iSCSI

10. (TCO 5) Briefly describe the operation of iSCSI in a TCP/IP environment.: ________________________________________________________________________________________________________________________