Answer:
The answer is C
Explanation
She should sign an annual maintenance contract (AMC) with her vendor
"growing network of physical objects that will have sensors connected to the internet referred to as the internet of - things"
I’m pretty sure D but it should be like $B2
Answer:
This is an Ethernet port operating at half duplex.
Explanation:
Modern Ethernet networks built with switches and full-duplex connections no longer utilize CSMA/CD. CSMA/CD is only used in obsolete shared media Ethernet (which uses repeater or hub).