Updated Jun-2022 Pass RCDD Exam – Real Practice Test Questions [Q89-Q109]

QUESTION 89
IPv-4 addresses are ________ bits in length.

QUESTION 90
When specifying telecommunications outlet boxes, all of the following should be considered EXCEPT:

QUESTION 91
What is the horizontal separation, in well tamped earth, required between power and direct buried telecommunications facilities sharing the same trench?

QUESTION 92
Time division multiplexing (TDM) systems are designed to transport ________ between end point systems.

QUESTION 93
A rapid increase in voltage with a duration of half a cycle best describes a(n):

QUESTION 94
To encroach on navigable waterways contact which of the following?

QUESTION 95
What element is typically NOT part of a paging system?

QUESTION 96
A backbone star topology shall have no more than______ level(s) of cross-connections.

QUESTION 97
What are the three typical voltages used in centrally amplified paging systems?

QUESTION 98
Class C suspension strands are used for corrosive environments such as in industrial or coastal area.

QUESTION 99
The recommended MAXIMUM value for the bonding resistance between the nearest available grounding electrode and the busbar in an entrance facility (EF) is ________ ohms.

QUESTION 100
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 upon initial testing. What testing will best determine the reasons for these failures?

QUESTION 101
Active video converters are required for what type of CATV distribution system?

QUESTION 102
You are starting work on a new high school. The architect has provided you with a telecommunications room located between the kitchen cold store room and the automotive and welding shops. What should you do?

QUESTION 103
In an industry where a high level of humidity is measured, which type of label should be used?

QUESTION 104
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

QUESTION 105
The formula for calculating BTUs from electrical power is:

QUESTION 106
You must place CAT6 cable above a factory floor with automated welding machines and hammer forges. Of the following, what type of shielding would be most effective?

QUESTION 107
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 using elliptical waveguide from the antenna to the outside wall of the shelter. The antenna has been designed to be placed 200 ft up on a 250 ft tower. What device will you specify that will best interconnect the two different waveguides?

QUESTION 108
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 entrance facilities.

QUESTION 109
Which of the following does NOT describe one of the four main types of specifications?