RCDD Exam Questions

What is the highest typical ambient noise level where audio paging becomes unintelligible?

What are the three typical voltages used in centrally amplified paging systems?

If you are using a building automation system (BAS) protocol operating on RF media at 19,200 b/s in the 868 MHz band, which protocol are you using?

What type of facility requires a building automation system (BAS) device to be located every 5 sq m (50 sq ft)?

Within a commercial office building of 2300 sq m (25000 sq ft), how many building automation system (BAS) devices are required?

Which of the following protocols is referred to under ISO 16484-5?

What is the expected lumenance value, in watts, of a 200 watt fluorescent lamp after three years?

Within building automation hardware systems, there is a hierarchical system of micro processor based controllers. Which type of controller is used to provide limited port capacity...

What is the expected life cycle, in years, of building automation system within a building structure with a life cycle of 40+ years?

Within a heating ventilation and air conditioning automatic control system, what do the letters DDC stand for?

You have been selected to recommend a solution to increase response time and add fault tolerance to a bank of servers. Your budget is limited and the client needs a solution as soo...

The loop distance range in an "ethernet in the first mile" (EFM) design is:

You are placing PTP fiber between two locations 55 km (34 miles) apart. You are told that DWDM equipment will be installed within the next 5 years. Which of the following optical f...

The ITU-T G.711 standard deals with what aspect of video conferencing?

Data representation including code translations, compressions, and encryptions is performed by what layer of the OSI model?

MAC addresses are _____________ bits in length.

IPv-4 addresses are ________ bits in length.

You have just assumed management responsibility over an older network consisting of passive hubs and some layer 2 switches. The network is experiencing massive slow downs on an irr...

What type of address is 10.162.02.14?

A 24 port layer 2 switch can perform all of the following functions EXCEPT:

Route congestion and message priority are a few of the functions of what layer of the OSI Model?

Generating multiple message frames containing identical data being transferred to different individual devices is called:

Geographically speaking, a __________ covers an area associated with an individual's work space.

A ______ intercepts a file and stores it temporarily in queue until a peripheral device (e.g. printer) is available.

What type of address is 00-A1-C3-52-CE-11?

Geographically speaking, a ______ links two or more distant sites.

ITU-T G.655 recommends which type of singlemode optical fiber?

Which layer of the OSI model covers physical cable connections?

The purpose of QoS on an IP network is for:

A tapped trunk topology uses ________ cabling to support a DAS.

You have been asked to design a public safety microwave radio system for the city of Fairbanks, Alaska. The requirement for reliability, maximum throughput, and minimum interferenc...

What device is used in both wired and wireless networks to link network access devices?

Which device uses circulators or diplexer filters to separate and combine the different transmit and receive RF paths?

As a wireless designer, you have been tasked with designing a DAS which supports UHF public safety radios. You have determined that if you increase the power of the base station an...

When trying to control radio signals from leaking outside of a building, a ______________ antenna should be used.

Which of the following is NOT a primary method of transporting radio signals in an active DAS?

You are designing a DAS system that has a requirement to supply both RF signal and power to the remote transceivers in the system. Which cable will provide the needed services for...

You are designing a DAS that will support five buildings on a college campus. Which medium is best suited to ensure the best connectivity and throughput between the headend and bac...

In order to maximize its ability to send and receive, an antenna should be ________ to the desired frequency.

Omnidirectional antennas broadcast equally in all directions of only ________ cross section(s) of their toroidal (doughnut-shaped) three-dimensional radiation pattern.

You are working with the Sheriff's Department to develop a public safety wireless network that will be secured from interference and have the capability of delivering up 10 Mbps su...

Which of the following is NOT a primary type of DAS antenna?

The MINIMUM number of antennas needed to create a DAS is:

In (ESS) design, employees, reputation, and materials are all examples of:

The three electronic security system (ESS) concepts the consultant needs to understand when creating an ESS system are threats, countermeasures, and:

Which of the following is NOT a type of intrusion detection system sensor?

A security program consists of three independent components. They are electronic, architectural, and:

The concept of the "security quandary" is based on providing a balancing act between what two elements?

For an analog camera, what is the normal frame rate in frames per second?

The distance a CCTV signal may be run is determined by the strength of the signal at the source, required signal strength at the receiver, and: