RCDD (RCDD): Case Studies and Concepts 2

Question 1

A hospital is upgrading its nurse call system and wants to integrate it with the structured cabling infrastructure. Which ANSI/TIA standard should the RCDD reference to ensure proper telecommunications pathways and spaces for healthcare environments?

Accepted Answer

ANSI/TIA-1179

Answer

ANSI/TIA-1179 addresses telecommunications infrastructure standards specifically for healthcare facilities.

Question 2

During a data center design review, the RCDD notices that the proposed hot aisle/cold aisle containment layout has cables running across the top of open racks without management. What is the primary concern?

Accepted Answer

Airflow disruption will reduce cooling efficiency

Answer

Unmanaged cables across the top of open racks in a contained aisle environment disrupt airflow patterns and reduce cooling efficiency.

Question 3

A university campus is deploying a new fiber backbone connecting 12 buildings. The design requires single-mode fiber. Which fiber type is recommended per ANSI/TIA-568.3-D for new campus backbone installations?

Accepted Answer

OS2

Answer

OS2 (ITU-T G.652.D) single-mode fiber is the preferred type for new outside plant and campus backbone installations per TIA-568.3-D.

Question 4

An RCDD is designing a telecommunications room that serves 200 work area outlets. According to ANSI/TIA-569-D, what is the minimum recommended floor area for this TR?

Accepted Answer

9 m²

Answer

ANSI/TIA-569-D specifies a minimum of 9 m² for a telecommunications room regardless of the number of outlets served.

Question 5

A customer asks the RCDD to design a system where Wi-Fi access points can receive power over the Ethernet cable. Which IEEE standard governs the PoE technology that supports up to 90 W at the PSE?

Accepted Answer

IEEE 802.3bt

Answer

IEEE 802.3bt (PoE++) supports up to 90 W at the Power Sourcing Equipment (PSE), enabling high-power devices on four-pair cabling.

RCDD - Registered Communications Distribution Designer Practice Test

RCDD - Registered Communications Distribution Designer Practice Test

RCDD (RCDD): Case Studies and Concepts 2