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CWNA > Chapter 1 > Flashcards

Chapter 1 Flashcards

1
Q

Who invented ALOHANet when?

A

The University of Hawaii, the 1970s

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2
Q

ALOHANet is a building block of…

A

MAC layer

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3
Q

1st IEEE standards book released on which year?

A

1997

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4
Q

When IEEE802.11b is release? What is the maximum data rate?

A

1999, 11Mbps

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5
Q

What is SOHO?

A

Small-Office Home-Office

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6
Q

What is WECA?

A

Wireless Ethermet Compatibility Alliance

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7
Q

What is ITU-R?

A

International Telecommunication Union Radio Communication Sector

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8
Q

What is FCC?

A

Federal Communications Commission

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9
Q

What sorts of rules do ITU-R and FCC set?

A

Manage and Regulate Frequencies, Power levels, Transmission methods

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10
Q

What is the responsibility of IETF ?

A

Creating Internet standards

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11
Q

What is IETF?

A

Internet Engineering task force

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12
Q

Both licensed and unlicensed communications are regulated in the areas…

A
  • Frequency
  • Bandwidth
  • Maximum power of the intentional radiator (IR)
  • Maximum equivalent Isotropically Radiated Power (EIRP)
  • Indoor/Outdoor use
  • Spectrum sharing rules
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13
Q

Advantages of unlicensed spectrum use are …

A
  • Free of use (with certain rules)
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14
Q

Disadvantages of unlicensed spectrum use are …

A
  • Anyone can use the spectrum causing interference on the connection
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15
Q

Where do the FCC rules publieshed in?

A

Code of Federal Regulations (CFR) - Title 47, Telecommunications - Part 15 (Radio Frequency Devices)

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16
Q

Which region does Region-A in ITU-R belong to?

A

The Armerica - Inter-American Telecommunication Commission (CITEL)

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17
Q

Which region does Region-B in ITU-R belong to?

A

Western Europe - European Conference of Postal and Telecommunications Administrations (CEPT)

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18
Q

Which region does Region-C in ITU-R belong to?

A

Eastern Europe and Northern Asia - Regional Commonwealth in the field of Communications (RCC)

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19
Q

Which region does Region-D in ITU-R belong to?

A

Africa - African Telecommunications Union (ATU)

20
Q

Which region does Region-E in ITU-R belong to?

A

Asia and Australia - Asia Pacific Telecommunity (APT)

21
Q

What are the radio regulatory regions of ITU-R (geographically)?

A

Region 1 - Europe, Middle East, and Africa
Region 2 - Americas
Region 3 - Asia and Oceania

22
Q

Which working group of IEEE responsible for Ethernet?

23
Q

Which working group of IEEE responsible for WLAN?

24
Q

IETF is a group of …

A

ISOC (Internet Society)

25
Q

What are the subject matter areas of IETF?

A
  • Applications
  • General
  • Internet
  • Operations and Management
  • Real-time Applications and Infrastructure
  • Routing
  • Security
  • Transport
26
Q

What is RFC?

A

Request for Comment (not a request, but a statements and definition)

27
Q

What is the name of the detailed information contained product’s Wi-Fi Certification related certification name?

A

Wi-Fi Interoperability Certificate

28
Q

Maximum Datarate in 802.11a is …

29
Q

Maximum Datarate in 802.11b is …

30
Q

Maximum Datarate in 802.11g is …

31
Q

Maximum Datarate in 802.11n is …

32
Q

Maximum Datarate in 802.11ac is …

A

6933.3Mbps

33
Q

802.11n brings … enhancements

A
  • Both 2.4GHz and 5GHz operations
  • PHY and MAC layer enhancements
  • MIMO
34
Q

Wi-Fi Direct enables Wi-Fi devices to connect without the use of …

A

Access Point
Uses WPA2
Easy to connect

35
Q

Wi-Gig is originally defined in …

36
Q

Wi-Gig operates at …

A

60GHz band

37
Q

WPA2 is based on ….

A

Robust Security Network (RSN) capabilities

38
Q

All Wi-Fi WPA2 certified devices must support …

A

CCMP/AES dynamic encryption methods

39
Q

When is the WPA3 announced ?

A

Jan 08th, 2018

40
Q

Passpoint is based on …

A

Hotspot 2.0 technical specification

41
Q

What is WPS?

A

Wi-Fi Protected Setup

42
Q

How is the WPS provided ?

A
  • NFC
  • Personal Identification Number (PIN)
  • Button
43
Q

What does IBSS with Wi-Fi Protected Setup provide ?

A
  • Easy configuration and strong security for ad-hoc (peer-to-peer) Wi-Fi networks
44
Q

What is WMM?

A

Wi-Fi Multimedia

45
Q

What is Miracast?

A

A Protocol that integrates the display of high resolution streaming video content between devices

CWNA (1 decks)

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