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Self Assessment Test CWNA

Total questions: 15

Worksheet time: 45mins

Name
Class
Date
1.

At which layers of the OSI model does 802.11 technology operate?

a)

Data-Link

b)

Network

c)

Physical

d)

Presentation

e)

Transport

2.

What is IEEE 802.3 standard for?

a)

Logical Link Control (LLC)

b)

CSMA/CD (Standard Ehernet Coaxial or UTP)

c)

LAN/MAN Security (VPN)

d)

LAN nirkabel (Wi-Fi)

3.

What is IEEE 802.11 standard for?

a)

Logical Link Control (LLC)

b)

CSMA/CD (Standard Ehernet Coaxial or UTP)

c)

LAN/MAN Security (VPN)

d)

LAN nirkabel (Wi-Fi)

4.

Which IEEE 802.11 amendment specifies the use of up to eight spatial streams of

modulated data bits?

a)

IEEE 802.11n

b)

IEEE 802.11g

c)

IEEE 802.11ac

d)

IEEE 802.11s

e)

IEEE 802.11w

5.

5 GHz frequency following the standards of UNII (Unlicensed National Information Infrastructure). frequency division multiplexing (FDM) standard. Able to transfer data up to 54 Mbps

a)

802.11a

b)

802.11b

c)

802.11g

d)

802.11b/g/n

e)

802.11ac

6.

Offers maximum throughput of 11 Mbps (6 Mbps in practice) and range of up to 300 meters in open environments. It uses a frequency range of 2.4 GHz, with 3 radio channels available. Data transmission 5.4 to 11 Mbps

a)

802.11a

b)

802.11b

c)

802.11g

d)

802.11b/g/n

e)

802.11ac

7.

offers bandwidth with a maximum capacity speed of 1000 Mbps or 1 Gbps and the maximum speed per user (such as laptops and other client devices) is 500 Mbps, which is achieved by developing a wide bandwidth, which is 160 Mhz, coupled with MIMO support and of course with a high modulation density

a)

802.11a

b)

802.11b

c)

802.11g

d)

802.11b/g/n

e)

802.11ac

8.

Which of these frequencies has the longest wavelength?

a)

750 KHz

b)

2,4 GHz

c)

252 GHz

d)

2,4 MHz

9.

Which of these terms can best be used to compare the relationship between two radio

waves that share the same frequency?

a)

Multipath

b)

Multiplexing

c)

Phase

d)

Spread spectrum

10.

Which is not RF characteristic

a)

Wavelength

b)

Gain

c)

Phase

d)

Free space path loss

e)

Loss (Attenuation)

11.

Which is RF characteristic?

a)

Wavelength

b)

Gain

c)

Phase

d)

Free space path loss

e)

Loss (Attenuation)

12.

The distance between similar points on two back-to-back

waves

a)

Amplitude

b)

Loss

c)

Fequency

d)

Wavelength

13.

which can be characterized simply as the signal’s strength

a)

Amplitude

b)

Loss

c)

Fequency

d)

Wavelength

14.

The decrease of amplitude or signal strength

a)

Amplitude

b)

Loss

c)

Fequency

d)

Wavelength

15.

Measurement of radio frequencies is?

a)

dB

b)

Hz

c)

Bit/s

d)

dBi