HP0-J73 · Question #143
What is a main difference between Small Form Factor Pluggable (SFP) and Small Form Factor Pluggable plus (SFP+) modules?
The correct answer is C. Maximum transfer rate. SFP and SFP+ modules share the same physical size and form factor, but SFP+ supports significantly higher maximum data transfer rates than standard SFP.
Question
What is a main difference between Small Form Factor Pluggable (SFP) and Small Form Factor Pluggable plus (SFP+) modules?
Options
- APort density
- BPhysical size
- CMaximum transfer rate
- DDifferent pinout
How the community answered
(31 responses)- A3% (1)
- C90% (28)
- D6% (2)
Why each option
SFP and SFP+ modules share the same physical size and form factor, but SFP+ supports significantly higher maximum data transfer rates than standard SFP.
Both SFP and SFP+ use the same physical slot, so port density per unit of panel space is identical.
SFP+ was deliberately designed to retain the same physical dimensions as SFP to maintain backward compatibility with existing hardware.
Standard SFP modules support a maximum transfer rate of up to 4.25 Gbps, while SFP+ modules support rates up to 10 Gbps for Ethernet and 16 Gbps for Fibre Channel. This difference in maximum throughput is the defining technical distinction between the two module types. SFP+ was specifically developed to meet the bandwidth demands of 10 GbE and 8/16G Fibre Channel without changing the physical form factor.
SFP+ uses the same pinout as SFP, which is what allows SFP+ ports to accept standard SFP transceivers in backward-compatible configurations.
Concept tested: SFP vs SFP+ transceiver module specifications
Source: https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceiver-modules/product_bulletin_c25-530836.html
Topics
Community Discussion
No community discussion yet for this question.