In an office area, a consultant needs to add the location of a fax machine to the plan. What is the approximated floor area that a fax machine occupies?
Exhibit:
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?
What is the highest typical ambient noise level where audio paging becomes unintelligible?
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 following will NOT mitigate the problem?
What is the horizontal separation, in well tamped earth, required between power and direct buried telecommunications facilities sharing the same trench?
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 the center of the two outer tracks is 16 m (52 ft). Using the standard track width of 1435 mm (4 ft 8.5 in), what is the length of the rigid steel conduit required to facilitate the crossing?
A common mode (CM) signal can be converted to a differential mode (DM) signal as a result of a(n):
Which class of the system was created to secure a single equipment room (ER)?
For design purposes, loudspeakers are rated for a measured sound pressure level (SPL) at:
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 system?
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 support these services in a backbone cabling system?
What is the connector of choice for Series 59, Series 6, and Series 11 applications?
You are extending 1000 MHz video service from your existing headend to a new equipment room (ER). Your existing incoming video signal is plus (+) 15 dBmV. You have three two-way splitters with a total of minus (-) 15 dB. You are adding 122 m (400 ft) of series 11 (RG 11) cable with a minus (-) 18 dB with eight single end F-connectors with a total of minus (-) 1.2 dB. From the selections below, what is the MINIMUM gain amplifier required in the headend room?
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?
The concept of the "security quandary" is based on providing a balancing act between what two elements?
Given the following values, calculate the focal length of the camera lens.
- Distance of the camera to the object is 5 m
- Vertical field of view is 2 m
- Horizontal field of view 1 m
Data representation including code translations, compressions, and encryptions is performed by what layer of the OSI model?
You have been selected to do the telecommunications design on a new, single story building. The architect requires the size and location of the telecommunications rooms so their building design can proceed. From the items listed below (all of which are required for the design), which one is the logical starting point in order to provide the architect with a size and location for the room?
You are recommending to an architect the location within a telecommunications room for the placement of floor sleeves connecting to the telecommunications room directly below. Where should the sleeves be placed within the room?
In a telecommunications room (TR), the MINIMUM bottom edge height recommendation for mounting plywood on the wall is ________ above AFF.
You are designing a 4.9 GHz microwave system that is using rectangular waveguide from the transceiver to the inside wall of the shelter and an antenna that is to be placed 200 ft up on a 250 ft tower. What type of medium will be best suited to connect the antenna to the transceiver?
Which device uses circulators or diplexer filters to separate and combine the different transmit and receive RF paths?
To accommodate telephone, data, CATV, security and multimedia, a MINIMUM of ________ strands of optical fiber auxiliary disconnect outlet (ADO) cable should be provided.
You are designing a multi-story dwelling and need to place the CTR's. Every floor is not available. What is the alternate spacing for the CTRs?
You have just finished a design calling for 15 telecommunications outlets. You received word that the owner has increased his requirements by 40%. What size commercial DD (distribution device) is required to accommodate the increase?
Surge currents due to lightning and other sources MUST be ________ before they penetrate the infrastructure.
Which of the following covers lightning protection systems and defines as exposed anything above ground and outside the zone of protection?
The MINIMUM dimensions of the telecommunications main grounding busbar is ________ and variable in length.
For the telecommunications industry, the nominal operating voltage is ________ volts DC.
You are designing a large equipment room (ER) that will house many servers, switches, backup storage drives, and other communications equipment including peripheral devices. To prevent problems from harmonic currents that can be created by switching power supplies, you should arrange for:
Using Ohms law, a circuit of 120 volts and a resistance of 15 ohms will have a current of ________ amps.
Which one of the following is part of the security metric to consider in selecting the appropriate labels for an administrative system?
Which class of the system applies when the premise only has a single equipment room (ER), and it is the only telecommunications space administered?
You are placing Category 6 unshielded twisted-pair (UTP) in cable tray down a hallway past the elevator mechanical room. What action should you take to avoid effects of electromagnetic interference (EMI)?
The potential for ______ occurs when devices or systems share a common electromagnetic environment and their operational frequencies overlap.
Using the "pathway design" for horizontal cable distribution, how many cable runs are placed to serve 15 individual?
In the ceiling zone method of distribution, the usable floor area should be divided into zones each measuring:
What type of redundancy provides two complete units, modules, paths or systems for every one required for a base system.
What does ANSI/TIA 942 recommend as the MINIMUM height for overhead cable tray above finished floor within a data center?
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 estimate is based on the cost of performing similar work in the past, adjusted for current job conditions?
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