CNIT 346 Exam 1 |139 Questions and
Answers A+ Graded
Core - -High-speed backbone layer
- IEEE - -foster technological innovation and excellence for the benefit of
humanity
- distribution - -Wireless bridging between buildings layer
- ITU-R - -"Global hierarchy for management of the RF spectrum worldwide,
Worldwide frequency assignments"
- PSK - -"State transition technique, change of phase represents 0 or 1 or
lack of phase change represents 1 or 0"
- Request for Comment - -RFC stands for?
- Amplitude - -The height, force, or power of the wave
- phase - -relationship between two waves with the same frequency
- state transition - -a change or transition of the signal used to distinguish
between 0s and 1s
- FSK - -current state technique, one frequency represents 0, different
frequency represents 1
- Wi-Fi Alliance - -promoting the growth of WLANs
- Current State - -current value of the signal is used to distinguish between
0s and 1s
- Wavelength - -the distance between similar points on back-to-back waves
- Access - -delivery of traffic to end user layer
- Core - -performs high-speed switching layer
- ISO - -responsible for the OSI model
- 47 - -FCC title relevant to wireless
, - Carrier Signal - -RF signal representing data by fluctuating or altering its
RF properties
- IEEE - -802 standards organization
- 15 - -Title part for 802.11
- Access - -layer where typically 802.11 operates
- Regulatory Domain Authorities - -regulates communications within the
country of jurisdiction
- FSK - -frequency of the wave is varied to represent binary data
- PSK - -phase of the wave is varied to represent the binary data
- frequency - -Number of waves generated per second
- distribution - -routes traffic between vlans and subnets layer
- keying - -method of manipulating a signal to represent multiple pieces of
data
- 802.11v - -Defines Wireless network management
- 802.11g - -Backward compatible with 802.11 DSSS and 802.11b HR-DSSS
Defined Extended Rate Physical (ERP) at 2.4 GHz to 2.4835 ISM band only
- 802.11w - -Designed to deliver management frames in a secure manner
- 802.11ah - -Can enhance internet of things (IoT) or machine to machine
communication (M2M)
- 802.11 - -This standard defined three Physical layer specifications of
Infrared (IR) Frequency Hopping Spread Spectrum (FHSS)Direct Sequence
Spread Spectrum (DSSS) Radios used only license-free 2.4 GHZ ISM band.
- 802.11a - -Not backward compatible with 802.11, defined Orthogonal
Frequency Division Multiplexing (OFDM) which supported eight data rates; 6,
9, 12, 18, 24, 36, 48, and 54 Mbps at 5 GHz only
- 802.11ai - -Fast initial link setup (FILS)
- 802.11ac - -Goal of throughput above 1 Gbps, Defines Very High
Throughput (VHT), Uses 5 GHz bands only, Wider channels 80 MHz and 160
Answers A+ Graded
Core - -High-speed backbone layer
- IEEE - -foster technological innovation and excellence for the benefit of
humanity
- distribution - -Wireless bridging between buildings layer
- ITU-R - -"Global hierarchy for management of the RF spectrum worldwide,
Worldwide frequency assignments"
- PSK - -"State transition technique, change of phase represents 0 or 1 or
lack of phase change represents 1 or 0"
- Request for Comment - -RFC stands for?
- Amplitude - -The height, force, or power of the wave
- phase - -relationship between two waves with the same frequency
- state transition - -a change or transition of the signal used to distinguish
between 0s and 1s
- FSK - -current state technique, one frequency represents 0, different
frequency represents 1
- Wi-Fi Alliance - -promoting the growth of WLANs
- Current State - -current value of the signal is used to distinguish between
0s and 1s
- Wavelength - -the distance between similar points on back-to-back waves
- Access - -delivery of traffic to end user layer
- Core - -performs high-speed switching layer
- ISO - -responsible for the OSI model
- 47 - -FCC title relevant to wireless
, - Carrier Signal - -RF signal representing data by fluctuating or altering its
RF properties
- IEEE - -802 standards organization
- 15 - -Title part for 802.11
- Access - -layer where typically 802.11 operates
- Regulatory Domain Authorities - -regulates communications within the
country of jurisdiction
- FSK - -frequency of the wave is varied to represent binary data
- PSK - -phase of the wave is varied to represent the binary data
- frequency - -Number of waves generated per second
- distribution - -routes traffic between vlans and subnets layer
- keying - -method of manipulating a signal to represent multiple pieces of
data
- 802.11v - -Defines Wireless network management
- 802.11g - -Backward compatible with 802.11 DSSS and 802.11b HR-DSSS
Defined Extended Rate Physical (ERP) at 2.4 GHz to 2.4835 ISM band only
- 802.11w - -Designed to deliver management frames in a secure manner
- 802.11ah - -Can enhance internet of things (IoT) or machine to machine
communication (M2M)
- 802.11 - -This standard defined three Physical layer specifications of
Infrared (IR) Frequency Hopping Spread Spectrum (FHSS)Direct Sequence
Spread Spectrum (DSSS) Radios used only license-free 2.4 GHZ ISM band.
- 802.11a - -Not backward compatible with 802.11, defined Orthogonal
Frequency Division Multiplexing (OFDM) which supported eight data rates; 6,
9, 12, 18, 24, 36, 48, and 54 Mbps at 5 GHz only
- 802.11ai - -Fast initial link setup (FILS)
- 802.11ac - -Goal of throughput above 1 Gbps, Defines Very High
Throughput (VHT), Uses 5 GHz bands only, Wider channels 80 MHz and 160
