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H3C GB0-342-ENU Exam Syllabus Topics:

H3CSE-WLAN Sample Questions:

Question 1

Which of the following statements about antenna gain is correct

A. The gain selection of the antenna should meet the requirements of the coverage scenario, not the bigger the gain, the better
B. The higher the gain of the antenna, the better, and the antenna with a large gain can obtain greater transmit power
C. Outdoor long-distance coverage scenarios are suitable for directional antennas with a gain of more than 10dbi
D. The larger the antenna gain, the higher the convergence of the signal

Question 2

The name of the 802.11 security mechanism standard independently developed by China is _____.

A. TKIP
B. WPA
C. WAPI
D. MD5

Question 3

Which of the following substances attenuates the WLAN signal the most

A. glass
B. Bricks
C. human body
D. Metal

Question 4

Good grounding is also an important means to ensure the normal operation of communication equipment.

A. Reduce the noise interference of communication equipment and ensure good communication effect
B. To ensure the stable operation of the electronic components of the communication equipment
C. Make the communication equipment obtain a good shielding effect and avoid the external electromagnetic interference
D. Ensure that electronic components in communication equipment are protected from electrostatic high voltage, transient discharge pulses, etc.

Question 5

Which of the following technologies are key technologies used by 802.11n?

A. OFDM-MIMO
B. Channel Bonding
C. Short Gi
D. frame collection

Solutions: