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HPE7-A08 Exam - Topic 1 Question 17 Discussion

You are planning a 1 Gbps link between two CX switches. Which type of SFP port will be required?
C) SFP
A) SFP28
B) SFP+
D) QSFP+

HPE7-A08 Exam - Topic 1 Question 17 Discussion

Actual exam question for HP's HPE7-A08 exam
Question #: 17
Topic #: 1
[All HPE7-A08 Questions]

You are planning a 1 Gbps link between two CX switches. Which type of SFP port will be required?

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Suggested Answer: C

For a 1 Gbps link between two Aruba CX switches, the appropriate SFP port type is an SFP (Small Form-factor Pluggable). SFP+ and SFP28 are used for higher speeds such as 10 Gbps and 25 Gbps, respectively. QSFP+ is for even higher speeds (40 Gbps).

SFP supports 1 Gbps (1000BASE-X)

SFP+ supports 10 Gbps

SFP28 supports 25 Gbps and above

QSFP+ supports 40 Gbps and above

Therefore, the correct port type for a 1 Gbps link is SFP.


Aruba CX Transceiver and Port Type Compatibility Guide

HPE Aruba Networking Switch Hardware Documentation

Aruba Networking Best Practices for Link Speeds

by Reid at Jun 21, 2026, 09:54 AM

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Luisa
2 days ago
Wait, isn't SFP also an option?
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Leota
7 days ago
Definitely SFP+, no doubt about it!
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Arlie
12 days ago
You need SFP+ for 1 Gbps.
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Moon
17 days ago
I’m a bit confused about SFP28. Is that for 25 Gbps? I just want to make sure I’m not mixing them up.
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Brice
22 days ago
I feel like QSFP+ is for 40 Gbps, so that one is definitely out. I think SFP+ is the best choice here.
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Lashawn
28 days ago
I practiced a similar question, and I believe SFP is for lower speeds, so it can't be right.
upvoted 0 times
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Kasandra
1 month ago
I think it's SFP+, but I'm not entirely sure. I remember something about it being for 10 Gbps links.
upvoted 0 times
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