What are two components of a WAN connection? (Choose two.)
Answer(s): A,B
Which device is a DTE device?
Answer(s): B
Which layer of the OSI model defines how data is formatted for transmission and how access to the physical media is controlled?
https://itcertzone.wordpress.com/2011/01/24/the-seven-layers-of-the-osi-model/#:~:text=Layer% 202%3A%20The%20Data%20Link,reliable%20delivery%20of%20the%20data.
Which command shows the status of power supplies and sensor temperatures?
Answer(s): C
https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/n5k/commands/show-environment.html
What are two standard fiber-optic connectors? (Choose two.)
Answer(s): A,C
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