RCDD-002 試験問題を無料オンラインアクセス

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.Mutual drainage reactors
• B.Isolating transformers
• C.2-winding neutralizing transformers
• D.Neutralizing transformers
• E.Unit-type neutralizing transformers

From a 1000 ft (305 m) roll of optical fiber, how many MAXIMUM length centralized optical fiber cabling runs can be made?

• A.4
• B.5
• C.1
• D.2
• E.3

The RJ-45 is now known as the 8P8C style connector, per the Telecommunications Industry Association (TIA) standard. What does the P and C stand for?

• A.Position and contact
• B.Plug and contact
• C.Plug and connector
• D.Position and connector

Exhibit:

What does this international symbol stands for?

• A.Public telephone with access to high-speed internet connection
• B.Teletypewriter/text telephone
• C.Public telephone
• D.Public telephone with a shelfette
• E.Public internet station

A 24 port layer 2 switch can perform all of the following functions EXCEPT:

• A.Link aggregation
• B.Full duplex operation
• C.Bridge
• D.Route