Quiz
WEEK9 -CNM
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Fragen in diesem Quiz (19)
1What is the most tangible benefit of wireless implementation?
- ACost reduction
- BIncreased mobility
- C. Better productivity
- DImproved security
- ACost reduction
2What method does a WLAN use to control transmissions?
- ACSMA/CA (carrier sense multiple access with collision avoidance)
- BCSMA/CD (carrier sense multiple access collision detect)
- CCSMA/CR (carrier sense multiple access with collision rejection)
- DCSMA/CW (carrier sense multiple access with collision weighting)
- ACSMA/CA (carrier sense multiple access with collision avoidance)
3Which regulatory agency controls the 801.11 standard that governs WLANs?
- AWi-Fi Alliance
- BIEEE
- CEMA
- DWISC
- AWi-Fi Alliance
4. Which organization offers certification for interoperability among vendors of 802.11 products?
- AWi-Fi
- BIEEE
- CEMA
- DWISC
- AWi-Fi
5Which two are the unlicensed bands used by WLANs?
- A2.4-MHz band
- B900-MHz band
- C2.4-GHz band
- D5-GHz band
- E900-GHz band
- A2.4-MHz band
6Which two of the 802.11 standards has the highest possible data rates?
- A802.11
- B802.11a
- CB
- DD
- EG
- A802.11
7Which 802.11 standard transmits using the 5-GHz band?
- A802.11
- B802.11a
- CB
- DD
- EG
- A802.11
8Which is true about the Wi-Fi Alliance organization?
- AWhich is true about the Wi-Fi Alliance organization?
- BIt operates only in the United States and ensures the compatibility of Wi-Fi products.
- CIt is a global, nonprofit industry trade association devoted to promoting the growth and acceptance of wireless LANs.
- DIt is a global, nonprofit industry trade association devoted to promoting the installation of wireless LANs in retail locations.
- AWhich is true about the Wi-Fi Alliance organization?
9What is a rogue access point?
- AAn access point that has an open WEP key
- BAn access point that is broadcasting its SSID
- CAn unsecured access point that has been placed on a WLAN
- DAn access point that has had a hardware failure that causes it to endlessly broadcast its SSID
- AAn access point that has an open WEP key
10Which three are the steps to secure a WLAN?
- AEncryption for providing privacy and confidentiality
- BAuthentication to ensure that legitimate clients and users access the network via trusted access points
- CControls to transmit power to limit the access point access range to the property boundaries of the parent organization
- DProtection from security risks and availability with intrusion detection and intrusion protection systems for WLANs
- AEncryption for providing privacy and confidentiality
11Which standard provides the strongest level of WLAN security?
- AEAP
- BWEP
- CWPA
- D802.11i/WPA2
- AEAP
12What factor determines which access point a client associates with?
- AThe access point with the lowest SSID
- BThe access point with the highest SSID
- CThe access point whose SSID is received first
- DThe access point that is received with the strongest signal
- AThe access point with the lowest SSID
13When you are using 802.11x, how is the client authenticated?
- AThe client is authenticated against a local database stored on the access point.
- BThe access point forwards all network traffic to the server where it is either authenticated or blocked.
- CThe access point encapsulates any 802.1x traffic bound for the authentication server and sends it to the server.
- DThe client encapsulates the 802.1x authentication traffic before sending it to the access point. This causes the access point to forward it to the server.
- AThe client is authenticated against a local database stored on the access point.
14Which is true when comparing WPA and WPA2?
- AWPA uses preshared keys whereas WPA 2 uses PSK
- BWPA uses EAP authentication whereas WPA 2 uses 802.11x.
- CWPA uses a Personal Mode whereas WPA 2 uses an Enterprise Mode.
- DWPA uses TKIP/MIC encryption whereas WPA 2 uses AES-CCMP encryption.
15What does the physical area of radio frequency coverage provided by an access point define?
- AThe RF service area
- BThe basic service area
- CThe ad hoc service area
- DThe extended services area
- AThe RF service area
16When implementing Extended Service Areas, how much overlap is suggested?
- A5 to 10 percent
- B10 to 15 percent
- C25 to 30 percent
- A5 to 10 percent
17What strategy enables a client to communicate while moving?
- AThe ability to shift data rates
- BThe ability to vary transmit levels
- CThe ability to match the transmit level to the receive level
- DThe ability to perform error correction as the signal level changes
- AThe ability to shift data rates
18Which three are basic wireless access point parameters?
- ASSID
- BAuthentication
- CData exchange rates
- DTransmit band selection
- ERF channel with optional power
- ASSID
19When implementing a WLAN, when should you use WEP?
- AOnly if an AAA server is available
- BWhen you need the increased security of WEP
- CWhen you are planning to enable 802.11x authentication
- DOnly if the hardware equipment does not support WPA
- AOnly if an AAA server is available
Informationen
- Beschreibung
- Quiz am WEEK9 -CNM, erstellt von tranphuocan0707 am 06/07/2014.
- Autor
- tranphuocan0707
- Sprache
- English
- Aufrufe
- 17
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