200-150 · Question #129
Which two naming formats are used to identify an iSCSI node? (Choose two.)
The correct answer is B. EUI D. IQN. iSCSI nodes are identified using two RFC 3720-defined naming formats: IQN (iSCSI Qualified Name) and EUI (Extended Unique Identifier using EUI-64).
Question
Which two naming formats are used to identify an iSCSI node? (Choose two.)
Options
- AMAC
- BEUI
- CEHA
- DIQN
- EIPv6
How the community answered
(19 responses)- B95% (18)
- E5% (1)
Why each option
iSCSI nodes are identified using two RFC 3720-defined naming formats: IQN (iSCSI Qualified Name) and EUI (Extended Unique Identifier using EUI-64).
MAC addresses are IEEE Layer 2 hardware identifiers used for Ethernet framing and are not a defined iSCSI node naming format per RFC 3720.
EUI uses the IEEE EUI-64 format to produce a globally unique iSCSI node name, expressed as 'eui.' followed by a 16-digit hexadecimal string that is typically derived from a network adapter's hardware address, guaranteeing worldwide uniqueness.
EHA (Extended Hardware Address) is not a recognized iSCSI node naming convention defined in the iSCSI standard or any related RFC.
IQN is the most widely used iSCSI node naming format, structured as 'iqn.yyyy-mm.reversed-domain:optional-string', providing a human-readable and globally unique identifier for both iSCSI initiators and targets as defined in RFC 3720.
IPv6 is a Layer 3 network addressing scheme used to transport iSCSI traffic, but it is not itself an iSCSI node naming format.
Concept tested: iSCSI node naming formats IQN and EUI per RFC 3720
Source: https://www.rfc-editor.org/rfc/rfc3720#section-3.2.6
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