Quiz
M12D2B
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Fragen in diesem Quiz (32)
1802.11 is Wireless Ethernet
- ARichtig
- BFalsch
2What is the maximum payload size for unencrypted 802.11 frames?
- A2320 bytes
- B2304 bytes
- C2324 bytes
- D2312 bytes
3What encryption originally was the only encryption supported by the 802.11 standard and uses the RC4 stream cypher?
- AWEP
- BWPA
- CWPA2
4What type of encryption employs the Temporal Key Integrity Protocol encryption algorithm, which also uses the RC4 cipher?
- AWEP
- BWPA
- CWPA2
5What type of encryption CCMP and AES and requires upgraded chipsets to encrypt and decrypt frames?
- AWEP
- BWPA2
- CWPA
- DWEP2-AES
6Stations perform _________________ carrier sense when they listen for the Duration/ID fields in frames. The Station will reset its NAV counter to the value in the Duration/ID field.
- Aphysical
- Bvirtual
- Ccollision detection
- Dcollision avoidance
7Stations perform _______________ carrier sense when, just prior to transmitting, they listen for another station transmitting and then wait and additional, random time.
- Avirtual
- Bcollision avoidance
- Cphysical
- Dcollision detection
8The steps which every station goes through to connect to an 802.11 service set are:
- AOffer
- BDiscovery
- CAccept
- DAuthentication
- EAssociation
9Stations can authenticate to multiple APs to speed up roaming and they can be associated to multiple APs at a time.
- ARichtig
- BFalsch
10Preferred Network List settings could cause a laptop to associate to a nearby hacker's AP when the laptop boots up.
- ARichtig
- BFalsch
11MAC filtering by an AP is a security measure which stops hackers.
- ARichtig
- BFalsch
12Most 802.11 frame headers have how many MAC addresses?
- A1
- B2
- C3
- D4
13How often are beacons transmitted by an AP (by default)?
- A100 beacons/second
- B10/beacons/second
- C1000 beacons/second
14Name the frame subtypes that, when transmitted from a client to an AP, always get a response from the AP (assuming the AP receives the frame)
- ARTS
- BProbe Response
- CProbe Request
- DCTS
- EReassociation Response
- FReassociation Request
- GAssociation Request
- HAuthentication Request
- IAuthentication Response
- JAssociation Response
15CSMA/CD uses ACK frames to detect collisions.
- ARichtig
- BFalsch
16How can stations discover available networks?
- AActive scanning
- BPort scanning
- CPassive scanning
- DHand scanning
17In infrastructure networks, only APs transmit Beacon frames.
- ARichtig
- BFalsch
18A station conducts active scanning when it transmits a Probe Response frame.
- ARichtig
- BFalsch
19In what states do all stations conduct passive scanning?
- A1
- B2
- C3
- D4
20What are the two types of 802.11 authentication?
- AOpen Shared and Open Key
- BOpen Key and Shared System
- COpen System and Shared Key
- DOpen System and Open Key
21Shared Key is an optional four step authentication method which always uses a WEP key.
- ARichtig
- BFalsch
22What are the 802.11 Frame Types?
- AData
- BAdministrative
- CManagement
- DCommand
- EControl
23This type of frame advertises available network / network parameters and allows clients to passively scan for WLANs.
- AProbe Request
- BBeacon
- CAdvertisement
- DProbe Response
24This frame is sent by an AP and tells the requestor specific information about the AP
- ARequestor response
- BAssociation response
- CProbe response
- DInformation response
25An authentication frame is used by a station to request to authenticate with an AP as well as by the AP to respond to the requestor.
- ARichtig
- BFalsch
26This type of frame is sent by a station to request association with an AP
- ACoordination request
- BRelationship request
- CAssociation request
- DAuthentication request
27An Association Response Frame is sent by a client to indicate acceptance or rejection of a station requesting association.
- ARichtig
- BFalsch
28What frame is used by stations to move their association from one AP to another within an ESS?
- AAssociation Move Request/Reponse
- BReassociation Request/Response
- CDisassociation Request/Response
29A Deauthentication Frame is a notification sent by an AP or station which removes the station from the service set and places station(s) in State 1 (unauthenticated and unassociated).
- ARichtig
- BFalsch
30A Notification sent by an AP or station to terminate an association.
- ATermination frame
- BDeauthentication frame
- CDisassociation frame
- DUnassociation frame
31Which are subtypes of control frames?
- AData Frame
- BPower-save Poll Frame
- CRTS/CTS Frames
- DRTC/CTC Frames
- EACK Frames
- FSYNACK Frames
32What is true about Data Frames?
- APayload may be encrypted to provide confidentiality.
- BLayer 2 frame headers are encrypted.
- CCarry upper-layer data
- DLayer 2 frame headers are unencrypted.
Informationen
- Beschreibung
- Quiz am M12D2B, erstellt von j9152s am 03/04/2015.
- Autor
- j9152s
- Sprache
- English
- Aufrufe
- 1
- Schlagwörter
- Bewertung
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