Online Access Free RCDD Exam Questions

Data representation including code translations, compressions, and encryptions is performed by what layer of the OSI model?

• A.Layer 6
• B.Layer 2
• C.Layer 5
• D.Layer 3
• E.Layer 4

Exhibit:

What does this international symbol stands for?

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

An isolated ground is used to:

• A.Reduce transients
• B.Reduce swells and sags
• C.Reduce EMI/RFI
• D.Prevent interruptions

You must place a cable between 2 equipment locations with separate grounds having a potential difference between them of 2.1 V rms. Which one of the following cables should NOT be used?

• A.Singlemode
• B.STP
• C.Multimode
• D.UTP

The MINIMUM finished height of access flooring in a general office area is:

• A.50 mm (2 in)
• B.300 mm (12 in)
• C.150 mm (6 in)
• D.250 mm (10 in)
• E.200 mm (8 in)