SG0-001 · Question #25
Which of the following describes an ISL connection?
The correct answer is D. Between two fabric switches. An ISL (Inter-Switch Link) connection specifically describes a link established between two fibre channel fabric switches. This link allows multiple switches to form a single, larger fabric.
Question
Which of the following describes an ISL connection?
Options
- ABetween an initiator and a target
- BBetween a specific node (NL-port) and an a switch
- CFrom any Loop port within a Loop
- DBetween two fabric switches
How the community answered
(28 responses)- A4% (1)
- C4% (1)
- D93% (26)
Why each option
An ISL (Inter-Switch Link) connection specifically describes a link established between two fibre channel fabric switches. This link allows multiple switches to form a single, larger fabric.
An initiator and a target describe the endpoints of a Fibre Channel connection (e.g., a server HBA and a storage array port), not an ISL.
A connection between a node's NL-port and a switch describes a direct connection from a Fibre Channel Arbitrated Loop device to a switch, not an ISL.
A connection from any Loop port within a Loop describes connections within a Fibre Channel Arbitrated Loop, not an ISL between switches.
An ISL (Inter-Switch Link) is a Fibre Channel term that refers to the connection between two Fibre Channel switches within a fabric. This allows the switches to communicate with each other, extending the reach and scalability of the storage area network.
Concept tested: Fibre Channel Inter-Switch Link (ISL) definition
Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/4_x/config/san_config/cli/cnfg_ch4_isls.html
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