RCDD Exam Questions

You are designing an audible alarm notification system for an office environment with an ambient noise level of 55 dBA. What dBA level should the horn be set at?

You are designing a strobe visual notification system for a fire alarm system. You have a hallway that is 4.6 m (15 ft) wide and 100 m (328 ft) long. How many strobes should be pla...

An outside plant (OSP) cable must be placed under a pipeline with two side by side pipe runs. The distance between the outside pipes is 6 m (20 ft). What is the length of the condu...

All entrance conduits should be equipped with a plastic or nylon line with a MINIMUM test rating of _________ pulling tension.

You are placing an entrance cable between two buildings connected by a conduit 205.3 m (588 ft) in length. What would be the MAXIMUM length of unlisted OSP cable that could be used...

To reduce the chance of an accidental dig-up, plastic warning tape should be placed a MINIMUM of _________ below grade, but high enough above cables to allow detection before cable...

What is the MINIMUM number of outside building terminal pedestals required to serve a single story office, or office warehouse structure that has ten 18.3 m x 24 m (60 ft x 80 ft)...

What is the horizontal separation, in well tamped earth, required between power and direct buried telecommunications facilities sharing the same trench?

The MOST common medium used to provide service to the access point (AP) is ________ cable.

Which one of the following is NOT an advantage of direct-buried cable?

You have determined that your underground cable design requires three maintenance holes (MHs). One is 4.3 m (14 ft), one is 6 m (20 ft), and one is 6.7 m (22 ft) in length. How man...

The information technology system (ITS) designer should design conduits entering a building from ceiling height to terminate ________ below the finished ceiling.

Buildings larger than ________ must contain a dedicated room for the termination of entrance facilities.

What is the MINIMUM vertical separation between the top rail of a railroad track and telecommunications facilities placed beneath the track?

Aerial entrances to small buildings should be limited to ________ cable pair or less.

The information technology system (ITS) designer should design conduits entering a building from below grade point to extend ________ above finished floor (AFF).

You have the responsibility of designing a railroad track crossing for an outside plant OSP cable. There are three separate railroad tracks to be crossed. The measurement between t...

When selecting poles for aerial telecommunications facilities, which of the following is the class number for the strongest rated pole?

What is the MINIMUM cover for underground conduit?

BICSI recommends that any trench ________ or more deep must be shored to prevent cave in.

When a building is not on the property line, the building owner should provide a MINIMUM of ________ conduits from a point inside the building, to the property line or easement for...

The MAXIMUM span length for an aerial entrance, from the last pole to the building, must NOT exceed:

Vertical conduit masts (with approved service heads) are limited to drop-wire attachments of up to ________ lines.

What warning tape color has the Common Ground Alliance (CGA) adopted for telecommunications and CATV cables?

Which one of the following is NOT an advantage of underground conduit?

When installing underground entrances, no more than ________ 90-degree bends should be included between pulling points.

Within a data center, how many concentric layers are considered necessary to provide effective security?

If you are working on a physical security plan for a data center and focusing on building and access control, what layer of the plan would this relate to?

What type of redundancy provides two additional units, modules, paths, or systems in addition to the MINIMUM required to satisfy the base requirement.

It is important to keep all underfloor cabling systems very neat and orderly. Cabling systems must be managed to ensure that air flow is not impeded by the height or volume of unde...

Within a data center, if you have dual path connectivity between the primary entrance room and secondary entrance room, in addition to dual connectivity between these two rooms and...

You have been asked to spec the physical security requirements related to the protection of assets for a new data center. The most common potential for damage categories you have c...

Within a data center, if you have a system which includes one extra unit, in addition to the minimum required to satisfy the base need, and where the failure of this unit will NOT...

What type of redundancy provides two complete units, modules, paths or systems for every one required for a base system.

What is the MAXIMUM horizontal cable length permitted for centralized optical fiber cabling from the MDA within a data center?

You are designing a cabling containment system installed overhead in a new data center. The main or prime purpose of the system will be to manage fiber optic cabling between cabine...

If you have a data center where the entire infrastructure must be completely shutdown on an annual basis to perform preventative maintenance and repair work, what tier level would...

What does ANSI/TIA 942 recommend as the MINIMUM height for overhead cable tray above finished floor within a data center?

If you have a 30 cm (12 in) wide data tray, what does ANSI/TIA 569-B recommend be the maximum pathway fill cross sectional area assuming a MAXIMUM pathway depth of 15 cm (6 in)?

You are renovating telecommunication rooms that support an acute care facility that has 10,000 sq ft floors. The facility will be adding 15,000 sq ft to each of the floors. What is...

You are designing a nurse call system for a health care facility. The system will have emergency call switches. What is the first step you should take in designing the nurse call s...

How much area of wall space is needed in the telecommunications room (TR) to support a nurse call system?

Which of the following is an alarm management output system?

Which of the following is used to create an electronic signal that can be sent to the central nurse call equipment?

You are designing a nurse call system for an assisted care facility. What type of nurse call system would best suit the needs for the facility?

The ________ system is an application used for storing and viewing captured digital radiology image files.

You are designing an interactive patient television system (IPTS) that will provide internet, nurse call and LCD television services. From the following, which medium will NOT supp...

In new construction, what is the percentage of pay phones that must be equipped with volume controls?

Coupling with electrical circuits can create inductive interference to telecommunications facilities. Which of the following can decrease the coupling effect?

In this future marina layout, assuming that there are fewer than 10 slips being cabled, what would be the pre-cabling guideline to follow for terminal A?