H12-311_V3.0 Exam Dumps - Huawei HCIA-WLAN Questions and Answers

Beacon frame

Probe Request frame

Authentication Request frame

Association Request frame

True

False

AP Belong to the same type

AP In the same AC Under management, and AP Signal overlap

STA Can scan to each other for load balancing AP

AP The output power settings are the same

True

False

True

False

IEEE 802.11c

IEEE 802.11h

IEEE 802.11j

IEEE 802.11r

PSE

PD

PI

PSU

Different throughput

The two protocols use different technologies

Different supported data rates

Working frequency is different

The length of IV used in TKIP encryption is 24 bits

TKIP encryption uses the same encryption algorithm as WEP encryption

The motivation for developing TKIP encryption is to upgrade the security of the old WEP hardware

TKIP encryption adds the mechanism of Key generation, management and transmission

The A.802.af standard was formulated in 2009, and the maximum output power is 30W

802.at supports four power levels and only supports Category 5 lines

802.af, also known as PoE+, can be compatible with 802.a devices

802.at, also known as PoE+, can be compatible with 802.a devices