ENT Week One Quiz

How many layers does the OSI model have

• 7

• 8

• 6

• 4

What is NOT true about a half-duplex communication?

• It communicates in only one direction at a time

• It is a point-to-point connection

• It uses CSMA/CD to avoid collisions

• It communicates both directions simultaneously

What are the two numbers binary uses?

• 1 and 2

• 0 and 1

• 0 and 2

• 1 and 1

Which layers of the OSI model are on the top? (2 correct answers)

• Presentation

• Physical

• Application

• Data Link

What layer of the OSI model is associated with Host-to-Host Connection?

• Physical

• Data-Link

• Transport

• Network

Which topology would have one central device transmitting data?

• Bus

• Digital

• Ring

• Star

What is true about ESD?

• It causes permanent damage

• It stands for Electrostatic Damage

• It causes a temporary disruption to the signal

• It is not something to be vary of of

What standard uses the vampire tap?

• 10base2

• 10base5

• 10baseT

• 10baseTx

What is the decimal value of 11000000?

• 164

• 194

• 192

• 196

What is the order of the EIA/TIA B Specification?

• BGBGO

• GOBOB

• OBGBG

• OGBGB