H12-311_V3.0 Questions Bank

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Question 44

Which of the following statements about antenna classification is correct ()? (Select 2 Answers)

Options:

Classified by directivity: omnidirectional antenna, directional antenna, etc.

Classified by shape: linear antenna, planar antenna, etc.

Classified by purpose: short wave antenna, ultra short wave antenna, microwave antenna, etc.

Classified by working frequency band: communication antenna, TV antenna, radar antenna, etc.

Question 45

An engineer takes an AP to a shopping mall for onsite WLAN surveying, with only a simple building map and no known obstacles. During onsite signal attenuation test, the AP works in ___ mode.

Options:

Fat AP

Survey Mode

Fit AP

Monitor Mode

Question 46

BSSID Is actually AP of MAC Address, used to identify AP Managed BSS .

Options:

True

False

Question 47

Which of the following options is correct ()? (Select 3 Answers)

Options:

SSID Technology can divide a wireless local area network into several sub-networks that require different authentication. Each sub-network requires independent

authentication. Only users who pass the authentication can enter the corresponding sub-network to prevent unauthorized users from entering This network.

BSSID Is actually AP of MAC Address, used to identify AP Managed BSS , In the same AP Inside BSSID and SSID One-to-one mapping.

Users can be in different SSID Roaming is realized below.

in a ESS Inside SSID Is the same, but for ESS Within each AP Corresponding BSSID Are not the same. If oneAP Can support multiple at the

same time SSID , Then AP Will assign different BSSID To correspond to these SSID .

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