SG0-001 · Question #442
Which of the following is an advantage of an iSCSI SAN over a FC SAN?
The correct answer is D. Lower implementation costs. An iSCSI SAN's primary advantage over a Fibre Channel (FC) SAN is its significantly lower implementation costs.
Question
Which of the following is an advantage of an iSCSI SAN over a FC SAN?
Options
- AHigher performance
- BHigher scalability
- CLower latency
- DLower implementation costs
How the community answered
(47 responses)- A2% (1)
- B2% (1)
- C4% (2)
- D91% (43)
Why each option
An iSCSI SAN's primary advantage over a Fibre Channel (FC) SAN is its significantly lower implementation costs.
Fibre Channel SANs generally offer higher performance and lower latency due to their dedicated, lossless protocol and network infrastructure.
While both can scale, Fibre Channel often provides greater scalability for very large, high-performance enterprise environments.
Fibre Channel SANs typically exhibit lower latency because they operate over a dedicated network using a native storage protocol, avoiding the overhead of TCP/IP.
iSCSI SANs utilize standard Ethernet networking components, such as NICs, switches, and cabling, which are generally less expensive and more readily available than the specialized Fibre Channel HBAs, switches, and fiber optic cabling required for FC SANs. This allows organizations to leverage existing IP infrastructure and expertise, reducing overall deployment and maintenance expenses.
Concept tested: iSCSI vs. Fibre Channel SAN comparison
Source: https://learn.microsoft.com/en-us/windows-server/storage/iscsi/iscsi-initiator-guide
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