10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
The CTS-D exam has 110 questions and runs 2 hours 30 minutes.
These 10 free CTS-D questions are organized by exam domain, so you can see how each part of the Certified Technology Specialist - Design blueprint is tested. Reveal the answer and explanation under each question.
'The other office uses an 85-inch UHD display, so specify the same one here.' This request concerns a new engineering review room with deeper seating, where two detailed drawings must remain visible side by side for joint signoff. Before accepting the proposed display size, what evidence is most important?
Correct answer: D - Critical-detail size in the side-by-side layout and the required viewers' positions.
A conferencing codec reaches end of sale this year. Its manufacturer commits to security updates, service, and replacement parts for four more years. Installed units remain patched, compatible with the conferencing service, and adequate for every approved room function. The client's three-year technology master plan requires ongoing security patching, prohibits unsupported network equipment, and must also fund rooms with functional deficiencies. How should the existing codec fleet be treated?
Correct answer: D - Retain the supported units and schedule their refresh before the support commitment ends.
The program report for a university's teaching rooms promises that users can start and switch local presentations during a WAN outage. During that outage, power and the campus LAN remain available; cloud conferencing may be unavailable. The concept keeps video routing local but requires every source-selection command to pass through a cloud-only controller. Which requirement must be added before that promise is defensible?
Correct answer: B - Provide source selection that operates locally without reaching the cloud controller.
Two independent 240 Mb/s multicast video streams originate on Switch A. Each stream is received by three decoders on Switch B. A single 1 Gb/s full-duplex uplink connects the switches, and multicast membership and replication are configured correctly. Other A-to-B traffic adds 60 Mb/s; all stated traffic rates include protocol overhead. IT permits no more than 75% utilization in either link direction. What is the design conclusion for the A-to-B direction?
Correct answer: A - 540 Mb/s; the existing uplink meets the stated utilization limit.
Review a fixed AV control panel for adult access under the 2010 ADA Standards. Only a forward approach is possible. The controls are 23 inches beyond the front edge of a 34-inch-high console, with compliant clear floor space and knee/toe clearance extending the full reach depth. All operable controls are currently 45 to 47 inches above the finished floor. Which revision complies without changing the console or approach?
Correct answer: C - Place every operable control between 40 and 43 inches above the finished floor.
The mechanical engineer needs the AV heat load for an equipment closet. At the agreed cooling-design operating point, an amplifier delivers 600 W of electrical audio power to loudspeakers outside the closet and is 75% efficient. Other equipment releases 300 W of heat inside the closet. Ignore cable losses within the closet and other heat sources. Using 3.4 BTU/h per watt, what AV heat load should be assigned to the closet before any additional design allowance?
Correct answer: C - 1,700 BTU/h
Remote participants hear a meeting room's microphones clearly, with no echo of their own voices. When a local training video plays through the room loudspeakers, however, they hear a delayed second copy of its soundtrack. The video's direct feed to the call is clean; the duplicate disappears when the room microphones are muted. The acoustic echo cancellation (AEC) reference contains only received far-end audio. Which DSP routing change addresses this fault while preserving conversation during playback?
Correct answer: B - Add the video's loudspeaker feed to the AEC reference, excluding the local microphones.
A proposed video path passes an unprotected test file reliably through a matrix and extenders. An authorized protected clip plays when the same player connects directly to the same display, but produces a black image through the proposed path. An analyzer confirms unchanged raster, frame rate, bit depth, and chroma sampling, with valid EDID capabilities. These results point first to a problem with:
Correct answer: A - HDCP compatibility or authentication somewhere in the routed signal path.
A discussion system has eight identical microphones. Its needed acoustic gain is 22 dB, and its potential acoustic gain before deductions is 32 dB. The design must retain a 6 dB feedback stability margin. For this design, usable gain = 32 - 10 log10(NOM) - 6 dB, where NOM is the number of simultaneously open microphones at equal gain; no other gain compensation is applied. Usable gain must exceed needed gain. To permit the greatest simultaneous participation, the automixer's open-microphone limit should be:
Correct answer: B - Two microphones
Rough-in is underway in several rooms when a newly issued mechanical drawing places a duct through one projector's planned beam. The conflict is confined to that room; nothing has been mounted and there is no safety hazard. The contract requires written authorization for device-location changes. What instruction controls this discrepancy without imposing an unnecessary project-wide delay?
Correct answer: C - Hold the affected projector work, request a coordinated resolution, and continue unaffected work.
The full bank has 1,020 more CTS-D questions with explanations.
Continue in the free practice test →
View plans