Free Access H3C.GB0-342-ENU.v2023-02-25.q133 Practice Test (Page 24)

Question 111

Regarding the MAC layer of 802.11, the correct statement is

A.802.11 MAC packets are divided into data frames, control frames and management frames.

B.Control frame is a control message that assists in sending data frames, such as RTS, CTS, ACK, etc.

C.The management frame is responsible for the management of capability-level interaction, authentication, and association between the STA and the AP. For example, the Beacon frame is a kind of management frame.

D.The MAC layer of 802.11 is responsible for the communication between the client and the AP. The main functions include scanning, authentication, association and so on.

Question 112

Which of the following operations is the easiest and most effective way to avoid interference in the AP working environment?

A.Adjust AP working channel

B.Restart the AP device

C.Replace AP Antenna

D.Adjust the VLAN attribute of the SSID

Question 113

When 802.11n works in the 2.4GHz frequency band, the number of non-interfering channels that can be provided in the 40-bandwidth mode is ______.

A.2

B.1

C.0

D.3

Question 114

According to the propagation characteristics of electromagnetic waves, under other conditions being the same, the relationship between the frequency of electromagnetic waves and their coverage is correctly described as

A.The higher the frequency of the electromagnetic wave, the greater the coverage.

B.The higher the frequency of the electromagnetic wave, the smaller its coverage.

C.The lower the frequency of the electromagnetic wave, the smaller its coverage.

D.The lower the frequency of the electromagnetic wave, the greater the coverage.

Question 115

Which of the following materials is the least likely to block RF signals at 2.4GHz?

A.Concrete

B.wooden wall

C.Metal

D.Steel

Other Version: 1773H3C.GB0-342-ENU.v2023-05-08.q109; 2320H3C.GB0-342-ENU.v2022-12-24.q120

Latest Upload: 105OCEG.GRCP.v2025-09-11.q211; 104HP.HPE0-V27.v2025-09-11.q78; 119Oracle.1Z0-1057-23.v2025-09-10.q47; 153Google.Professional-Cloud-Network-Engineer.v2025-09-09.q179; 131SAP.C-S4EWM-2023.v2025-09-08.q83; 166TheSecOpsGroup.CNSP.v2025-09-08.q20; 229CFAInstitute.ESG-Investing.v2025-09-08.q173; 176PECB.ISO-IEC-27001-Lead-Implementer.v2025-09-06.q132; 152Salesforce.Data-Architect.v2025-09-05.q216; 148Adobe.AD0-E605.v2025-09-05.q50

Question 111

Question 112

Question 113

Question 114

Question 115

Download PDF File