The potential for ______ occurs when devices or systems share a common electromagnetic environment and their operational frequencies overlap.
A. Radio frequency interference (RFI)
B. (EMC)
C. Electromagnetic interference (EMI)
D. Electrostatic discharge (ESD)
E. Fast transients
正解:C
質問 2:
Geographically speaking, a ______ links two or more distant sites.
A. WAN
B. CAN
C. PAN
D. SAN
E. LAN
正解:A
質問 3:
In addition to voice and data services, an equipment room (ER) can be designed to include all of the following EXCEPT:
A. Life safety facilities
B. General premise monitoring and security systems
C. Audio and paging equipment
D. Building electrical service monitoring and controls
E. CATV and CCTV facilities
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
You are designing a cabling containment system installed overhead in a new data center. The main or prime purpose of the system will be to manage fiber optic cabling between cabinets. You have a choice of designs of the containment system. In view of the prime purpose of containment system, your first choice of design will be one that:
A. Has a bottom design with a web spacing of less than 152 mm (6 in)
B. Has a solid bottom design
C. Has a bottom design with a web spacing of less than 203 mm (8 in)
D. The design is not important as long as the client pre approves the manufacturer
E. Is manufactured with a soft cloth type material
正解:B
質問 5:
Which of the following statements best describes what a backbone distribution system typically provides?
A. Copper cabling installed in a large building
B. Pathway from the HC to the WA
C. Conduit in a building riser
D. Cabling from the HC to the WA
E. Building connections between floors in a multistory building
正解:E
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Akiyama -
ありがとうございました。問題集はRCDD学習しやすい作りになっている