A reasonable approximation for the signal speed in 100 ohm balanced twisted pair cable is__________, where c is the velocity of light in free space.A . 0.2 cB . 0.4 cC . 0.6 cD...
All entrance conduits should be equipped with a plastic or nylon line with a MINIMUM test rating of _________ pulling tension.A . 22.7 kg (50 lbs)B . 45.4 kg (100 lbs)C . 68 kg...
When installing underground entrances, no more than ________ 90-degree bends should be included between pulling points.A . OneB . TwoC . ThreeD . FourView AnswerAnswer: B
Which one of the following is NOT an advantage of direct-buried cable?A . Is flexible for future reinforcements or changesB . Has a low initial installation costC . Can easily bypass obstructionsD . Preserves...
What is the MINIMUM number of outside building terminal pedestals required to serve a single story office, or office warehouse structure that has ten 18.3 m x 24 m (60 ft x 80 ft)...
Exhibit: What does this international symbol stands for?A . Teletypewriter/text telephoneB . Public internet stationC . Public telephoneD . Public telephone with a shelfetteE . Public telephone with access to high-speed internet connectionView AnswerAnswer:...
You have been asked to spec the physical security requirements related to the protection of assets for a new data center. The most common potential for damage categories you have considered include temperature, gases,...
Which type of protection for electrical power stations provide isolation against a rise in potential of station ground and also provide drainage protection against longitudinally-induced voltages?A . Isolating transformersB . Neutralizing transformersC . Mutual...
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.A...
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?A . Layer 1B . Layer...
