RCDD Chapter 5 Backbone Distribution Systems
Registered Communications Distribution Designer (RCDD)
- 1.Cable manufactured with fiberglass rods or aramid yarn are known as what?
- A.
Singlemode cables
- B.
Multimode cables
- C.
All-dielectric cables
- D.
Tight-buffered cables
- E.
Loose-tube cables
- 2.Nonconductive backbone optical fiber cables shall have a minimum bend radius of ___ times the cable's outside diameter when under no load and ___ times the cable's outside diameter when being pulled.
- A.
5,10
- B.
10,15
- C.
6,12
- D.
2,3
- 3.Conductive backbone optical fiber cables shall have a minimum bend radius of ____ times the cable's outside diameter when under no load and ____ times the cable's outside diameter when being pulled.
- A.
10,15
- B.
5,10
- C.
10,30
- D.
10,20
- 4.What are the basic methods to terminate optical fiber cables?
- A.
Pigtail splicing
- B.
Field connectorizing
- C.
Installation of preconnectorized assemblies
- D.
All the above
- 5.An optical fiber pigtail is an optical fiber cable that is:
- A.
Factory-connectorized on one end with an optical fiber connector
- B.
Orange
- C.
Yellow
- D.
Unterminated at the other end.
- 6.Conductive optical fiber plenum cable = what fiber cable marking
- A.
OFNP
- B.
OFCP
- C.
OFNR
- D.
OFCR
- E.
OFN, OFNG
- 7.Nonconductive optical fiber riser cable = what cable marking?
- A.
OFNP
- B.
OFCP
- C.
OFNR
- D.
OFCR
- E.
OFN,OFNG
- 8.Nonconductive optical fiber plenum cable = what fiber cable marking?
- A.
OFNP
- B.
OFCP
- C.
OFNR
- D.
OFCR
- E.
OFN,OFNG
- 9.Conductive optical fiber riser cable = what cable marking?
- A.
OFNP
- B.
OFCP
- C.
OFNR
- D.
OFCR
- E.
OFN,OFNG
- 10.Nonconductive optical fiber cable = what cable markings?
- A.
OFNP
- B.
OFCP
- C.
OFNR
- D.
OFCR
- E.
OFN, OFNG
- 11.Conductive optical fiber cable = what cable markings
- A.
OFCP
- B.
OFNR
- C.
OFCR
- D.
OFN, OFNG
- E.
OFC, OFCG
- 12.OPTICAL FIBER CABLE SUBSTITUTIONS FOR OFNP ARE ?
- A.
OFNP
- B.
OFNP
- C.
OFNR, OFCP, OFNP
- D.
OFNR, OFNP
- E.
NONE
- 13.OPTICAL FIBER CABLE SUBSTITUTIONS FOR OFCP ARE ?
- A.
NONE
- B.
OFNR, OFCP, OFNP
- C.
OFNP
- 14.OPTICAL FIBER CABLE SUBSTITUTIONS FOR OFNR ARE ?
- A.
NONE
- B.
OFNG, OFN, OFCR, OFNR, OFCP, OFNP
- C.
OFNP
- D.
OFNR, OFCP, OFNP
- 15.OPTICAL FIBER CABLE SUBSTITUTIONS FOR OFCR ARE?
- A.
NONE
- B.
OFNP
- C.
OFNG, OFN, OFCR, OFNR, OFCP, OFNP
- D.
OFNR, OFCP, OFNP
- E.
OFNR, OFNP
- 16.OPTICAL FIBER CABLE SUBSTITUTIONS FOR OFN, OFNG ARE?
- A.
OFNG, OFN, OFCR, OFNR, OFCP, OFNP
- B.
OFNP
- C.
OFNR, OFNP
- D.
OFNP
- 17.OPTICAL FIBER CABLE SUBSTITUTIONS FOR OFC, OFCG ARE?
- A.
OFNP
- B.
OFNR, OFNP
- C.
OFNG, OFN, OFCR, OFNR, OFCP, OFNP
- D.
OFNR, OFNP
- 18.BALANCED TWISTED-PAIR CABLE MARKINGS FOR COMMUNICATIONS PLENUM CABLE ARE ?
- A.
CMP
- B.
CMR
- C.
CM, CMG
- D.
CMX LIMITED USE
- E.
CMUC
- 19.BALANCED TWISTED-PAIR CABLE MARKINGS FOR COMMUNICATIONS RISER CABLE ARE?
- A.
CMX, LIMITED USE
- B.
CMP
- C.
CM, CMG
- D.
CMUC
- E.
CMR
- 20.BALANCED TWISTED-PAIR CABLE MARKINGS FOR COMMUNICATIONS CABLE ARE?
- A.
CMP
- B.
CMUC
- C.
CMX, LIMITED USE
- D.
CM, CMG
- E.
CMR
- 21.BALANCED TWISTED-PAIR CABLE MARKINGS FOR COMMUNICATIONS LIMITED USE CABLE ARE?
- A.
CMUC
- B.
CMX, LIMITED USE
- C.
CMP
- D.
CM, CMG
- E.
CMR
- 22.BALANCED TWISTED-PAIR CABLE MARKINGS FOR COMMUNICATIONS UNDERCARPET CABLE ARE?
- A.
CMP
- B.
CMR
- C.
CM, CMG
- D.
CMX, LIMITED USE
- E.
CMUC
- 23.WHAT IS THE PERMITTED SUBSTITUTIONS FOR CMR CABLE TYPE?
- A.
CMP, CMR
- B.
CMP, CMR, CM, CMG
- 24.In some cases, horizontal optical fibers may be extended through backbone pathways. However, this may not be possible because the horizontal cables may what?
- A.
May need to be rated for riser use (in some areas)
- B.
Much more costly to install
- C.
Can take up too much space in the backbone pathway.
- 25.WHAT IS THE PERMITTED SUBSTITUTIONS FOR CMX CABLE TYPE?
- A.
CMP, CMR
- B.
CMP, CMR, CM, CMG
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