DCI Standards & Codes Compliance 4

Question 1

Per ANSI/TIA-1005-A, the standard for industrial telecommunications cabling, the harsh environment zone requires cables rated at minimum:

Accepted Answer

MICE 3 environmental rating

Answer

Industrial Ethernet Category 5e

Answer

Category 6 with additional shielding

Answer

Plenum-rated CMP

Question 2

A building permit is typically required before installing low-voltage cabling in a commercial building. Who is ultimately responsible for obtaining this permit?

Accepted Answer

The installing contractor

Answer

The cable manufacturer

Answer

The telecommunications outlet vendor

Answer

The end-user IT department

Question 3

According to TIA-568, which cable category is the MINIMUM required for new horizontal cabling installations as of the current standard?

Accepted Answer

Category 6

Answer

Category 5

Answer

Category 5e

Answer

Category 6A

Question 4

NEC Article 770 covers which type of cabling system?

Accepted Answer

Optical fiber cables

Answer

Coaxial CATV cables

Answer

Twisted-pair network cables

Answer

Power-limited fire alarm cables

Question 5

When testing a completed structured cabling installation for TIA-568 compliance, which test result is used to verify channel performance?

Accepted Answer

A full suite including NEXT, return loss, insertion loss, and propagation delay

Answer

Wire map only

Answer

Length measurement only

Answer

Visual inspection report

Question 6

The NEC defines 'plenum' as a space used for environmental air. Which of the following is NOT typically classified as a plenum space?

Accepted Answer

A dedicated cable tray in a conduit

Answer

Raised floor used as an air supply

Answer

Suspended ceiling used as return air

Answer

Above-ceiling air return space

Question 7

Which authority having jurisdiction (AHJ) typically enforces NEC requirements for low-voltage cabling in commercial buildings?

Accepted Answer

The local fire marshal or building department

Answer

The telecommunications carrier

Answer

BICSI certification board

Answer

The cable manufacturer's representative