Chapter 5 quiz

Question 1

Which layers of the OSI Model are most impacted by the 802.11 standard?

Layer 1 and Layer 2

Layer 2 and Layer 3

Layer 3 and Layer 4

Layers 3-7

Answer 1

Layer 1 and Layer 2

Question 2

What PHY first introduced MIMO?

VHT

OFDM

HT

HR/DSSS

Answer 2

HT (High Thoughout)

Question 3

What PHY uses a 22 MHz-wide channel?

S1G

DMG

HR/DSSS

OFDM

Answer 3

HR/DSSS

Question 4

What PHY operates in 60 GHz?

S1G

DMG

TVHT

ERP

Answer 4

DMG

Question 5

How many channels are available in 2.4 GHz worldwide?

14

13

11

1

Answer 5

11

Question 6

What is the maximum channel width that should ever be used in 2.4 GHz?

20 MHz

22 MHz

40 MHz

None of these

Answer 6

22 MHz

Question 7

What is the maximum channel width supported by 802.11ac (VHT)?

40 MHz

80 MHz

160 MHz

2160 MHz

Answer 7

160 MHz

Question 8

What defines a BSS as opposed to an IBSS?

A BSS does not use an AP and an IBSS does

A BSS uses an AP and an IBSS does not

A BSS supports multiple STAs and an IBSS supports only one

An IBSS supports roaming and a BSS does not

Answer 8

A BSS uses an AP and an IBSS does not

Question 9

What identifies one BSS from another when multiple BSSs use the same SSID?

ESSID

BSSID

Switch MAC address

VLAN

Answer 9

BSSID

Question 10

How many bridges can be in root mode in a PtMP configuration?

4

3

2

1

Answer 10

1