Online Access Free CWAP-404 Practice Test

Which one of the following portions of information is communicated in the PHY Header?

• A.Date rate
• B.Signal strength
• C.SNR
• D.Noise

How long, in microseconds, is the required Slot Time that is announced by an AP in an HT BSS when HR/DSSS, ERP-OFDM, and HT-OFDM client stations are associated to the AP?

• A.20 μs
• B.10 μs
• C.2 μs
• D.4 μs
• E.9 μs

When using a commercial WLAN protocol analyzer, you notice that it is listing vendor names for some APs and client STAs.
What is the source of this information?

• A.DNS name resolution
• B.Banner grabbing
• C.Vendor OUI values
• D.Broadcast name resolution

You are tasked with describing the various frames used in 802.11 communications.
What frame is used for spectrum management, fast BSS transition and some other actions taken within a BSA?

• A.Action
• B.CTS
• C.PS Poll
• D.BlockAck

ABC International has installed a new smart ZigBee controlled lighting system. However, the network team is concerned that this new system will interface with the existing WLAN and has asked you to investigate the impact of the two systems operating simultaneously in the 2.4 GHz band. When performing Spectrum Analysis, which question could you answer by looking at the FFT plot?

• A.Is the ZigBee system causing an increase in WLAN retries?
• B.Is the WLAN corrupting ZigBee system messages?
• C.Is the ZigBee system using more the 50% of the available airtime?
• D.Do the ZigBee channels used by the lightning system overlap with the WLAN channels?