Chapter 1


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.




Storage Networking Protocol Fundamentals
Storage Networking Protocol Fundamentals (Vol 2)
ISBN: 1587051605
EAN: 2147483647
Year: 2007
Pages: 196
Authors: James Long

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