Modules 12 Quiz

What IEEE Standard defines Ethernet?

• 802.15

• 802.3

• 802.1

• 802.11

• 802.5

Which of these is NOT a PoE standard?

• 802.3be

• 802.3af

• 802.3bt

• 802.3at

Which sublayer of the OSI models Data-Link layer is used for communication between 802.11 radios?

• PMD

• MAC

• LLC

• PLCP

What organization ensures interoperability of WLAN products?

• IEEE

• Wi-Fi Alliance

• IETF

• Bluetooth SIG

Which of these collision technologies are used in 802.11?

• STP

• CSMA/CA

• MAC

• CSMA/CD

• ARP

Which organization is responsible for enforcing maximum transmit power rules in an unlicensed frequency band?

• None of these

• ISO

• IEEE

• Wi-Fi Alliance

• IETF

The OSI model consists of how many layers?

• Nine

• Four

What type of communications do 802.11 radios use to transmit and receive?

• Simplex

• Full-duplex

• Echo-duplex

• Half-duplex

The IEEE 802.11-2020 standard defines communication mechanisms at which layers of the OSI model?

• Physical

• Presentation

• Data Link

• Transport

• Session

Which of these is NOT a PHY amendment?

• 802.11g

• 802.11n

• 802.11c

• 802.11a