CWAP-404 무료 덤프문제 온라인 액세스

In which 802.11 frames is the SSID present, provided the SSID is not removed through proprietary software configuration by an administrator? (Choose 3)

• A.Reassociation Request
• B.Association Request
• C.Association Response
• D.Probe Response
• E.Authentication
• F.Disassociation

Which information elements (IE) are contained in an IEEE 802.11 Probe Request frame?
(Choose 2)

• A.SSID
• B.Supported rates
• C.Association ID
• D.Status code
• E.RSN IE

A client is operating in an unstable RF environment. Out of five data frames transmitted to the client it only receives four. The client sends a Block Ack to acknowledge the receipt of these four frames but due to frame corruption the Block Ack is not received by the AP. Which frames will be transmitted?

• A.All data frames
• B.Only the data frame which was corrupted
• C.Only the Block Ack
• D.Both the corrupted data and Block Ack

You are troubleshooting throughput problems for a WLAN cell. The cell is provisioned with an
802.11ac dual-band AP. Users connected with both 5 GHz and 2.4 GHz connections are reporting performance problems. The AP settings are properly optimized. No interface issues have been detected (either co- channel interference or non-Wi-Fi interference) and the number of associated users is low.
What should you analyze to resolve the issue?

• A.The antennas used on the client devices
• B.The 2.4 GHz radio configuration
• C.The 5 GHz radio configuration
• D.the Ethernet uplink and the network infrastructure

According to the 802.11n-2009 amendment, what security requirement is specified for HT BSSs?

• A.All unicast traffic transmitted by an HT station and destined to an HT station must use AES- CCMP.
• B.TKIP cannot be supported in an HT BSS.
• C.In an RSN, HT stations may not communicate with one another using TKIP.
• D.HT BSSs are prevented from supporting WEP.
• E.HT BSSs must mandatorily support 802.11r FT.