H12-311 Dumps Updated | Actual Study Questions
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Question 1:
When did the initial application of the wireless network begin?
A. During a major war
B. During the Second World War
C. Late 20th century
D. After 2000
Correct Answer: B
Question 2:
Which of the following standards organizations is implementing WLAN technology interoperability for WLAN device authentication?
A. WiFi Alliance
B. IEEE
C. IETF
D. FCC
Correct Answer: A
Question 3:
Which of the following protocols are IEEE 802.11 standards Select 3 Answers)?
A. 802.11a/b/g/n
B. 802.11i
C. 802.1X
D. 802.11s
Correct Answer: ABD
Question 4:
Which of the following standards is WLAN (Select 2 Answers)?
A. 802.11a/b/g/n
B. WPA
C. WPA2
D. 802.11i
Correct Answer: BC
Question 5:
How many channels does China support in the 2.4 GHz band?
A. 11
B. 13
C. 3
D. 5
Correct Answer: B
Question 6:
Which of the following options is in the 5GHz band supported by China?
A. 5.15~5.25GHz
B. 5.25~5.35GHz
C. 5.725~5.825GHz
D. 5.725~5.850GHz
Correct Answer: D
Question 7:
What are the modulation methods (Select 3 Answers) depending on the signal parameters being controlled?
A. amplitude modulation
B. frequency modulation
C. phase modulation
D. modulation
Correct Answer: ABC
Question 8:
Which modulation method does the following picture belong to?
A. amplitude modulation
B. frequency modulation
C. phase modulation
D. modulation
Correct Answer: B
Question 9:
What is the name of the first radio communication network based on packet technology?
A. INTERNET
B. ARPANet
C. ALOHNET
D. NSFnet
Correct Answer: C
Question 10:
What are the WLAN operating bands (Select 2 Answers)?
A. 2 GHz
B. 5 GHz
C. 5.4 GHz
D. 2.4 GHz
Correct Answer: BD
Question 11:
How many channels can the 2.4 GHz band be divided into?
A. 14
B. 13
C. 11
D. 3
Correct Answer: A
Question 12:
What is the US non-overlapping channel in the 2.4 GHz band?
A. 2 , 7, 12
B. 3, 8, 13
C. 1, 6, 11
D. 3, 7, 13
Correct Answer: C
Question 13:
What is the distance between the center frequencies of the channels in the 2.4 GHz band?
A. 20 MHz
B. 22 MHz
C. 5 MHz
D. 10 MHz
Correct Answer: C
Question 14:
What is the operating frequency set by China in the 2.4 GHz band?
A. 2.4 GHz-2.4835 GHz
B. 2.471 GHz-2.497 GHz
C. 2.4465 GHz-2.4835 GHz
D. 2.445 GHz-2.475 GHz
Correct Answer: A
Question 15:
The basic service set is the basic component of an 802.11 network and consists of a set of workstations that communicate with each other.
A. True
B. False
Correct Answer: A