010-151 Ethernet Practice Questions
The free 010-151: Supporting Cisco Data Center System Devices (DCTECH) questions that deal with ethernet, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #3
The Ethernet specification details several different fiber optic media types. What is the wire transmission speed for 100BASE-FX Ethernet?
Correct answer: B
Explanation
The 100BASE prefix denotes 100 Mb/s signalling, with FX indicating multimode fiber media.
Question #5
What is the wire transmission speed for 100GBASE-ER4 Ethernet?
Correct answer: D
Explanation
The 100GBASE prefix indicates 100 Gb/s, with ER4 specifying four extended-reach single-mode wavelengths.
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