| 1 | What company invented the modern hard disk drive? |
| Answer: | IBM. |
| 2 | Who published the SMI-S? |
| Answer: | The SNIA. |
| 3 | List two competitive advantages enabled by storage networks. |
| Answer: | Any two of the following are correct: increased throughput, improved flexibility, higher scalability, LAN-free backups, server-free backups, advanced volume management. |
| 4 | What is an IP-SAN? |
| Answer: | An IP network designed specifically to transport only iSCSI traffic. |
| 5 | What block-level storage protocol is commonly used in desktop and laptop PCs? |
| Answer: | ATA. |
| 6 | What is the latest version of the SCSI protocol? |
| Answer: | SCSI-3. |
| 7 | What is the term for an adapter that processes TCP packets on behalf of the host CPU? |
| Answer: | TCP Offload Engine (TOE). |
| 8 | List the two types of IBM channel protocols. |
| Answer: | Byte multiplexer and block multiplexer. |
| 9 | An IBM ESCON director employs what type of switching mechanism? |
| Answer: | Circuit switching. |
| 10 | A Fibre Channel switch employs what type of switching mechanism? |
| Answer: | Packet switching. |
| 11 | What company originally invented CIFS? |
| |
| Answer: | While Microsoft gave CIFS its name, the original protocol was invented by IBM. |
| 12 | What standards body made NFS an industry standard? |
| Answer: | The IETF. |
| 13 | What type of multiplexing is used by SONET/SDH? |
| Answer: | Time Division Multiplexing (TDM). |
| 14 | What is the WDM window? |
| Answer: | A wavelength range typically between 15001600 nm. |
| 15 | List one reason the sparse wavelength spacing of CWDM enables lower product costs. |
| Answer: | Any one of the following is correct: laser tolerances can be relaxed, uncooled lasers can be used, optical filters can be less discerning. |
| 16 | In what class of networks is IEEE 802.17? |
| Answer: | Resilient Packet Ring (RPR) networks. |
| 17 | List the two categories of block-oriented virtualization techniques. |
| Answer: | Striping and extending. |
