RCDD-001

RCDD-001 practice questions, page 9 of 15, with answer review and explanations.

Question 41

If looking to specify an optical fiber backbone within a building going 275 m (902 ft) between the equipment room (ER) and the telecommunications room (TR), what type of fiber should be specified to support a 10 GB ethernet application?

  1. OM1
  2. 50 micron multimode
  3. 50 micron laser optimized multimode
  4. 62.5 micron multimode

Question 42

This type of cable is an unbalanced system:

  1. Unshielded twisted-pair (UTP)
  2. Shielded twisted-pair (STP)
  3. Screened twisted-pair (ScTP)
  4. Coaxial

Question 43

The ability of a conductors insulation to transmit an electric field is called:

  1. Conductivity
  2. Transmitability
  3. Permittivity
  4. Capacitance
  5. Reactance

Question 44

What type of fiber optic cable is manufactured to protect individual glass strands and is primarily designed for use inside buildings?

  1. Ribbon
  2. Tight buffered
  3. Loose tube
  4. Air blown

Question 45

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?

  1. Plus (+) 15 dB
  2. Plus (+) 20 dB
  3. Plus (+) 25 dB
  4. Plus (+) 30 dB
  5. Plus (+) 35 dB