Chapter 5: Backbone Distribution Systems
UPDATED ACTUAL Exam Questions and
CORRECT Answers
enterprise networks to connect their routers - CORRECT ANSWER - a fully connected mesh
topology is commonly used in:
- enterprise networks to connect their routers
- connections for CATV operations
false - CORRECT ANSWER - (ToF) most simple optical fiber ring topologies are designed to
provide only a primary path to the nodes
100 - CORRECT ANSWER - category 5e / class d balanced twisted-pair has performance
characteristics specified up to _____ MHz
- 100
- 200
- 250
- 350
intermediate metal conduit (IMC) - CORRECT ANSWER - threads on steel conduit ends are
covered by industry color-coded thread protectors. the color yellow is associated with:
- rigid metal conduit (RMC)
- intermediate metal conduit (IMC)
- electrical metallic tubing (EMT)
- flexible metal conduit (FMC)
, main cross-connect - CORRECT ANSWER - when describing backbone distribution system
components, campus distributor is the international equivalent term for the:
- horizontal cross-connect
- intermediate cross-connect
- main cross-connect
- zone cross-connect
main cross-connect / campus distributor - CORRECT ANSWER - when describing backbone
distribution system components, the cross-connect normally located in the main equipment room
for cross-connection and interconnection of entrance cables, first level backbone cables, and
equipment cables, is known as the:
- horizontal cross-connect / floor distributor
- intermediate cross-connect / building distributor
- main cross-connect / campus distributor
600 mm (24in) - CORRECT ANSWER - a slot used for backbone distribution is typically
placed flush against the wall and should have a maximum depth of ______ perpendicular to the
wall.
- 150mm (6in)
- 300mm (12in)
- 450mm (18in)
- 600mm (24in)
7 - CORRECT ANSWER - how many sleeves should be provisioned for an in-building
backbone distribution system serving a floor with 11,148 m^2 (120,000 ft^2) of useable floor
space?
-6
UPDATED ACTUAL Exam Questions and
CORRECT Answers
enterprise networks to connect their routers - CORRECT ANSWER - a fully connected mesh
topology is commonly used in:
- enterprise networks to connect their routers
- connections for CATV operations
false - CORRECT ANSWER - (ToF) most simple optical fiber ring topologies are designed to
provide only a primary path to the nodes
100 - CORRECT ANSWER - category 5e / class d balanced twisted-pair has performance
characteristics specified up to _____ MHz
- 100
- 200
- 250
- 350
intermediate metal conduit (IMC) - CORRECT ANSWER - threads on steel conduit ends are
covered by industry color-coded thread protectors. the color yellow is associated with:
- rigid metal conduit (RMC)
- intermediate metal conduit (IMC)
- electrical metallic tubing (EMT)
- flexible metal conduit (FMC)
, main cross-connect - CORRECT ANSWER - when describing backbone distribution system
components, campus distributor is the international equivalent term for the:
- horizontal cross-connect
- intermediate cross-connect
- main cross-connect
- zone cross-connect
main cross-connect / campus distributor - CORRECT ANSWER - when describing backbone
distribution system components, the cross-connect normally located in the main equipment room
for cross-connection and interconnection of entrance cables, first level backbone cables, and
equipment cables, is known as the:
- horizontal cross-connect / floor distributor
- intermediate cross-connect / building distributor
- main cross-connect / campus distributor
600 mm (24in) - CORRECT ANSWER - a slot used for backbone distribution is typically
placed flush against the wall and should have a maximum depth of ______ perpendicular to the
wall.
- 150mm (6in)
- 300mm (12in)
- 450mm (18in)
- 600mm (24in)
7 - CORRECT ANSWER - how many sleeves should be provisioned for an in-building
backbone distribution system serving a floor with 11,148 m^2 (120,000 ft^2) of useable floor
space?
-6
