Test
wire ch 4
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Preguntas del test (20)
1What is the maximum EIRP output for the UNII-I band?
- A17dBm
- B20dBm
- C22dBm
- D36 dBm
2What 802 group is ZigBcc part of?
- A802.3
- B802.11
- C802.15.4
- D802.16
3What modulation technique docs 802.11b use?
- ACCK
- BDSSS
- CFHSS
- DOFDM
4Which of the following were released by the FCC and arc considered unliccnscd frequencies?
- A800MHz
- B900MHz
- C2400MHz
- DSC,Hz
5How many channels in the 2.4GHz band arc considered nonoverlapping the United States?
- A1
- B2
- C3
- D4
- E5
6Which UNII band allows an EIRP of 36dBm?
- AUNH-I
- BUNH-2
- CUNH-2 Extended
- DUNH-3
7What working group is working on fixed WiMAX?
- AA. 802.11j
- BB. 802.11.i
- CC. 802.16d
- DD. 802.16c
8Which Physical layer modulation technology is common to both the IEEE 802.1 Ig and the IEEE 802.11a standards?
- ABPSK
- BCCK
- CDSSS
- DOFDM
9Which of the following describes Bluetooth RF characteristics?
- AA. Continuous transmitting— SGHz range
- BB. Frequency hopping—2.4GHz range
- CC. Frequency hopping—5GHz range
- DD. Continuous transmitting—2.4GHz range
10Which governing body analyzes the applications and the environments in which wireless networks are used in Europe?
- AEIRP
- BETSI
- CFCC
- DIEEE
- EWiFi Alliance
11Why arc wireless analog video signals that arc operating in the 2.4GHz band particularly harmful to Wi-Fi service?
- AA. Analog video is a strong signal and increases the SNR.
- BB. Analog video is a constant signal with 100 percent duty cycle.
- CC. Analog video signals arc slow frequency hopping and tend to affect the entire band.
- DD. Analog video modulation is the same as Wi-Fi and causes interference.
12Which arc considered management frames on an 802.11 network? (Choose all that apply)
- ARTS
- BACK
- CBeacon s
- DProbe requests
- EDc authentication
13Which arc konsidcrcd control frames on an 802.11 network? (Choose all that apply)
- ARTS
- BCTS
- CACK
- DProbe requests
- EDc-authentication
14Which also arc considered management frames on an 802.11 network? (Choose all that apply)
- ACTS
- BAuthentication responses
- CAssociation requests
- Dvs-poll
- EProbe responses
15What docs PS-Poll use as an empty frame to wake up a sleeping host in an ESS?
- AA. RTS
- BB. ATILM
- CC. TIM
- DD. Probe request
16What is the center frequency in channel 6 of the 2.4GHz frequency range?
- AA. 2412
- BB. 2417
- Cc. 2437
- DD. 2462
17Which of the following devices can cause interference on your 802.11 wireless network?
(Choose all that apply)- AA. TV remotes
- BB. Microwave ovens
- CC. Cordless phones
- DD. Vista
18ACKs use what type of CSMA/CA timing to make sure that the AP sends back the ACK to a client in high priority?
- ADCF
- BPCF
- CSIFFS
- DDIFFS
19UNH-2 Extended added what two capabilities and is now called 802.1 Ih?
- ADCF
- BPCF
- CSIFFS
- DDIFFS
- ETPC
- FDFS
20What modulation technique does 802.16c use?
- ADSSS
- BFHSS
- COFDM
- DSOFDMA
Información
- Descripción
- 2 WIRELESS Test sobre wire ch 4, creado por michael.0lsn el 22/02/2016.
- Autor
- michael.0lsn
- Idioma
- English
- Visitas
- 1
- Etiquetas
- Valoración
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