RCDD Exam Questions
371 real RCDD exam questions with expert-verified answers and explanations. Page 4 of 8.
- Question #151ITS Spaces
Assume the following: - An equipment room (ER) consists of 16 racks arranged in 4 equal rows - The first 4 racks are numbered R1-1 though R1-4 - The second 4 racks are numbered R2-...
equipment roomrack identificationport numberingTIA-606 - Question #152Design, Implementation, and Management
In an industry where a high level of humidity is measured, which type of label should be used?
labelinghumidityenvironmental ratingadministration - Question #153General Cable and Media
What is the worst case acceptance value for attenuation when testing 2000 m (6562 ft) of 50/125 multimode fiber at a wavelength of 1300 nm when the fiber has 2 connector pairs and...
multimode fiberoptical loss budgetattenuation calculationconnector loss - Question #154General Cable and Media
When balanced twisted-pair copper cabling, return loss is a measurement of the:
return losssignal reflectionbalanced twisted-paircopper cabling - Question #155Information Transport Systems (ITS) Distribution
You are preparing to test newly installed open office cabling. Within the open office cabling, there are multiple consolidation points (CP) that were installed while waiting for fu...
permanent linkconsolidation pointopen office cablingtesting procedure - Question #156General Cable and Media
You have been asked to test and troubleshoot an installed base of cabling that is believed to be causing network problems. You are finding that there are high levels of return loss...
TDRreturn losstroubleshootingcopper cabling - Question #157General Cable and Media
Premises optical fiber links should be tested:
optical fiber testingbidirectionalwavelengthloss measurement - Question #158ITS Spaces
The diagram below is a typical configuration for:
data centerchannel configuration4-connectorcabling topology - Question #159Information Transport Systems (ITS) Distribution
Where backbone cabling exceeds cabling lengths for the same performance or design (for product used in horizontal cabling), there are three fundamental tests which should be consid...
backbone cablinginsertion losscontinuitywiremap - Question #160Design, Implementation, and Management
A scope of work should contain all of the following EXCEPT:
scope of workproject documentationproject planningdeliverables - Question #161Design, Implementation, and Management
What is the PERT estimate of time for cable placement on a given job? - Optimistic time is 100 hours - Most likely time is 125 hours - Pessimistic time is 210 hours
PERTtime estimationproject schedulingweighted average - Question #162Design, Implementation, and Management
At the end of the third week of a project, the actual cost of work performed is $7000 USd and the budgeted cost of work performed is $8000 USd. Which of the following is true?
earned value managementcost variancebudget performanceACWP - Question #163Design, Implementation, and Management
The figure below represents what type of chart?
milestone chartproject schedulingscheduling toolsproject management - Question #164Design, Implementation, and Management
At the end of the second week of a project, the earned value (EV) of work is $8000 USd and the planned value (PV) of work is $7000 USd. What is true about the project?
earned value managementschedule varianceplanned valueEV vs PV - Question #165Design, Implementation, and Management
Select the appropriate task to complete section 2.2 of the work breakdown structure (WBS) below: 2 Technician 2.1 Install cabling 2.2 __________ 2.3 Activate wireless
WBSwork breakdown structuretask sequencingwireless installation - Question #166Design, Implementation, and Management
All of the following are true about the post construction phase EXCEPT:
post constructionas-built drawingsproject closeoutresponsibilities - Question #167Design, Implementation, and Management
Which area of project management covers the blending of various subteams into a project organization with a cohesive plan?
integration managementproject organizationteam coordinationproject management - Question #168Design, Implementation, and Management
When developing a safety plan, consider all of the following EXCEPT:
safety planconstruction safetyproject managementemergency procedures - Question #169Information Transport Systems (ITS) Distribution
Select the appropriate task to complete the section 2.2 of the work breakdown structure below: 2. Technician 2.1 Install rack 2.2 _________ 2.3 Place fiber 2.4 Terminate fiber 2.5...
WBSfiber installationconnector housingtask sequencing - Question #170Design, Implementation, and Management
Which of the following does NOT describe one of the four main types of specifications?
specification typesdesign documentsperformance specsproprietary specs - Question #171Design, Implementation, and Management
Which is NOT a type of contract?
contract typesfixed pricecost-plusunit price - Question #172Design, Implementation, and Management
If a work breakdown structure (WBS) shows the tasks below, what is C, the successor task?
work breakdown structuretask sequencingsuccessor tasksproject scheduling - Question #173Design, Implementation, and Management
Which is NOT true about conformance quality?
conformance qualityquality managementPDCA cycleinspection - Question #174Design, Implementation, and Management
What is the PERT estimate (in hours) for project design where: - Optimistic time is 40 hours - Most likely time is 50 hours - Pessimistic time is 60 hours
PERT estimatethree-point estimationproject schedulingtime estimation - Question #175Design, Implementation, and Management
All of the following are considered market or regional conditions that can impact construction costs EXCEPT:
construction costsmarket conditionsregional cost factorscost estimation - Question #176Design, Implementation, and Management
What type of estimate is based on the cost of performing similar work in the past, adjusted for current job conditions?
analogous estimatingcost estimationhistorical dataestimate types - Question #177Design, Implementation, and Management
A work breakdown structure is:
work breakdown structureproject planningproject scopeorganizational structure - Question #178Special Applications
A building has six floors plus a basement. Each floor is 10,000 square feet and has approximately 50 CATV outlets respectively. There is a single hardline trunk cable installed fro...
directional couplerCATV signal lossthrough losstap loss - Question #179Special Applications
Which of the following is NOT an element of a cable system?
CATV system elementsheadenddistribution systemsubscriber drop - Question #180Special Applications
An active video converter is used in what type of CATV cable distribution system?
active video convertervideo over balanced twisted-pairCATV distribution types - Question #181Special Applications
A building has a series of CATV outlets each with cables installed back to a telecommunications room (TR), and each telecommunications room (TR) is connected to the headend. What i...
CATV topologystar topologyhome run distributiontelecommunications room - Question #182Special Applications
What is the appropriate impedance of coaxial cable for use with broadband distribution?
coaxial cable impedance75 ohmbroadband distributionCATV cable - Question #183Special Applications
Active video converters are required for what type of CATV distribution system?
active video converterbalanced twisted-pair videoCATV distribution types - Question #184Special Applications
The following diagram indicates what type of CATV distribution system?
trunk and tap topologyCATV distribution diagramcoaxial distribution design - Question #185Special Applications
The headend has several modulators assigning frequencies for distribution to the CATV network. What distribution device should you use immediately at the headend to distribute the...
combinerCATV headend equipmentmodulator outputsignal combining - Question #186Special Applications
The following diagram represents what type of CATV distribution system?
home run topologyCATV distribution diagramcoaxial distribution design - Question #187Special Applications
A building has six floors plus a basement. Each floor is 10,000 square feet and has approximately 50 CATV outlets respectively. There is a single hardline trunk cable installed fro...
trunk and tapcost-effective designhorizontal CATV distributionmulti-floor building - Question #188Special Applications
The headend has several audio-video playback devices within it. What piece of equipment is required to assign their output signals to specific RF carriers on the CATV system?
modulatorRF carrier assignmentCATV headendfrequency assignment - Question #189Special Applications
A building has six floors plus a basement. Each floor is 929 sq m (10,000 sq ft) and has approximately 50 CATV outlets respectively. There is a single hardline trunk cable installe...
directional couplerthrough losssignal loss minimizationCATV trunk distribution - Question #190Special Applications
You are designing a building with a combination of Class A commercial office spaces and residences. The design program requires having unlimited cable channels available at all out...
video distributioncable topologytrunk and tapchannel capacity - Question #191Special Applications
What element is typically NOT part of a paging system?
paging systemsystem componentsaudio componentsstrobe - Question #192Special Applications
A properly designed distributed paging system will provide a sound pressure level (SPL) for audio paging that is between ________ above ambient noise level.
sound pressure levelambient noiseaudio pagingSPL design - Question #193Special Applications
You are designing a four story retail mall and multiple sound systems within it. Which system should you design to support general music programming within common retail areas?
sound systemsmusic programmingdistributed audiosound reinforcement - Question #194Special Applications
For design purposes, loudspeakers are rated for a measured sound pressure level (SPL) at:
loudspeaker sensitivitySPL ratingspeaker specification1-watt 1-meter - Question #195Special Applications
You are designing a paging system for a 588 sq m (6325 sq ft) open office space. Due to architectural features of the ceiling, wall mounted speakers must be used. Following the gen...
speaker placementwall-mounted speakerspaging designcoverage calculation - Question #196Special Applications
What is the recommended distance between ceiling mounted speakers in a hallway with heavy traffic?
ceiling speakershallway placementspeaker spacingheavy traffic - Question #197Special Applications
A space has all hard surfaces including architecture and furnishings. The audio programming produced from the distributed sound system has become unintelligible. Which of the follo...
audio intelligibilityreverberationhard surfacesspeaker output - Question #198Special Applications
Using the sound pressure level (SPL) method of approximating distance and power, calculate the power required to produce 89 dB at 4 m (13.1 ft) with a loud speaker that is rated at...
SPL calculationinverse square lawpower calculationloudspeaker design - Question #199Special Applications
In a hallway with normal traffic, ceiling mounted speakers should be placed ________ times the corridor height, minus the ________.
ceiling speaker placementcorridor designspeaker coveragelistener height - Question #200Special Applications
You are designing a restaurant located within a retail mall. The ambient noise level of the restaurant is 70 dB. The ambient noise level of the mall common space is 75 dB. What is...
paging system designminimum SPLambient noiserestaurant acoustics