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Which of the following protocols do iSCSI fabrics use to provide discoverability and partitioning of





Internet Storage Name Service (iSNS) is a protocol that allows automated discovery, management, and
configuration of iSCSI and Fibre Channel devices (using iFCP gateways) on a TCP/IP network.
iSNS provides management services similar to those found in Fibre Channel networks, allowing a standard
IP network to operate in much the same way that a Fibre Channel storage area network does. Because
iSNS is able to emulate Fibre Channel fabric services and manage both iSCSI and Fibre Channel devices,
an iSNS server can be used as a consolidated configuration point for an entire storage network.
Incorrect Answers:
A: Small Computer System Interface (SCSI) is the second most popular drive interface in use today after
the Integrated Drive Electronics (IDE) interface. SCSI is faster than IDE and supports more devices. SCSI
devices, such as hard disk drive and CD-ROM drive, are better suited in a network environment in which
many users access shared drives simultaneously. SCSI has three standards: SCSI-1, SCSI-2, and SCSI-3.
B: The Secure Sockets Layer (SSL) is a commonly-used protocol for managing the security of a message
transmission on the Internet. SSL has recently been succeeded by Transport Layer Security (TLS), which is
based on SSL. SSL uses a program layer located between the Internet’s Hypertext Transfer Protocol
(HTTP) and Transport Control Protocol (TCP) layers. URLs that require an SSL connection start with https:
instead of http:.
C: Transport Layer Security is a standard protocol used to secure Web communications on the Internet or
intranets by means of encryption. With the help of TLS, clients can authenticate servers or servers can
authenticate clients. TLS is the latest version of the Secure Sockets Layer (SSL) protocol.

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