My mock interview with Marty Calhoun below...
Answer key: (No was reference material used to be fair to applicant)
Have you ever heard of IPVM? (Prove it.)
Marty sells Hik, Hik gets big loan, Marty laughs all the way to the bank.
What voltage does an Analog camera video signal travel?
Varies. Assuming you are actually measuring it, could be near 0v (black), up to 1v (white). Nominally referred to a 1v.
Who is Neil Councilman?
2 of the three designers of the common coaxial BNC connector
Why are 1080p Monitors not refereed to as 2k?
Because they don't have 2000 vertical lines. Follow-up question if answered correctly "So why are they not called 1k monitors then?"
What is an "I " frame of video?
The in-between frame of or baseline frame progressive video codecwhich progressive changes in the scene or p-frames, are added to, to create the full-frame
What is an SFP stick?
A common plug-in format, used often with higher-end switches to extend media formats, e.g. 10G/optical interfaces.
Explain the difference between Watts, Current and Voltage?
Watts is a unit of measure for power, power is the product of current and volts.
Working with Ethernet POE and assuming you have a 568B connection which pins provide Power to the device?
No different than 568A: Any. 1237 or 4578. Or all of them with newer high power standards.
Explain the difference in "Series and Parallel circuitry".
Series circuits increase resistance and decrease current with each leg, parallel circuits decrease resistance and increase current with each leg.
Please explain Class A, B & C as it relates to Networking.
Obsoleted 20th century terminology relating to subnetting, A is the largest domain with 65k hosts, C the smallest with 254. Supplanted by CIDR.
What are some of the differences in Multi-Mode fiber and Single Mode?
Multi-mode is cheaper, Single mode is higher performing and higher priced.