Free HCIA-WLAN V3.0 Exam H12-311_V3.0 Exam Practice Test

for dBm ,dB,dBi, The following description is correct ().(Select 3 Answers)

• dBm : Absolute value of characterizing power
  
• dBi and dBd : Characterize the relative value of gain
  
• dB The relative value of characterizing power
  
• If the antenna of A is 12dBi , The second antenna is 14dBi , It can be said that A is smaller than B 2dBi
  

TKIP encrypted IV the length of the vector is () bit.

• 12
  
• 24
  
• 48
  
• 64
  

WLAN When configuring the network, WMM Which of the following templates should the template be bound to ()?

• radio-profile
  
• traffic-profile
  
• security-profile
  
• service-set
  

2.4 GHz What is the distance between the center frequencies of the channels in the frequency band ()?

• 20 MHz
  
• 22 MHz
  
• 5 MHz
  
• 10 MHz
  

The following about SSID The statement is wrong ().

• One AP Can release multiple different SSID
  
• Multiple AP Can release the same one on SSID
  
• One AP Configurable SSID There is no limit to the number
  
• One AP Can release the same SSID Signal
  

Huawei Box Wireless Controller AC6605 support twenty four Piece PoE Interface in WLAN Can be directly connected when networking AC of AP Make a supplyElectricity.

• True
  
• False
  

2.4 GHz What is the range of operating frequency specified by China ()?

• 2.4 GHz-2.4835 GHz
  
• 2.471 GHz-2.497 GHz
  
• 2.4465 GHz-2.4835 GHz
  
• 2.445 GHz-2.475 GHz
  

802.11 Wireless LAN CSMA/CA Which of the following are included in the mechanism ()? (Select 3 Answers)

• Carrier sense
  
• Multiple access
  
• Conflict detection
  
• Conflict avoidance
  

It can be connected with the antenna via ().

• Network cable
  
• CATV coaxial cable
  
• Power cord
  
• 50 ohm RF coaxial cable
  Coaxial cable
  

Which of the following options are 802.11b/g What are the differences between the agreements? (Select 3 Answers)

• Different throughput
  
• The two protocols use different technologies
  
• Different supported data rates
  
• Working frequency is different