H12-311_V3.0 Free Exam Questions & Answers PDF Updated on May-2023 [Q50-Q65] : Exam for engine : http://blog.test4engine.com

NEW QUESTION 50
and 802.11a/b/g The standards are different, 802.11n Protocol is dual-frequency working mode (support 2.4GHz and 5GHz Two working frequency bands).

True

False

NEW QUESTION 51
If an enterprise’s wireless network networking mode is direct forwarding, then thin and then transfer the message CAPWAP Encapsulate, pass CAPWAP The tunnel transmits this data message to AP can 802.11 Data messages are converted into Ethernet messages, AC.

True

False

NEW QUESTION 52
CAPWAP The port number of the control message of the tunnel protocol is ().

1645

1646

5246

5247

NEW QUESTION 53
If changed AP The configuration parameters of the radio must be restarted AP The order can only take effect.

True

False

NEW QUESTION 54
802.11 In the frame, it means that the wireless station AP When sending a signal, To DS and From DS What are the values of ()?

0,0

0,1

1,0

1,1

NEW QUESTION 55
Which technology belongs to the wireless metropolitan area network () below?

2G/3G

WLAN

Bluetooth

WiMAX

NEW QUESTION 56
BSS Which two basic service sets are included ()? (Select 2 Answers)

Independent basic service set

Basic Service Set of Infrastructure Mode

Extend the basic service set

Extend the basic service set of structural mode

NEW QUESTION 57
WLAN The signal passes through which of the following materials with less penetration loss (). (Select 2 Answers)

Gypsum board

Glass window (colorless)

Concrete wall

Brick wall

NEW QUESTION 58
Which of the following commands connect Huawei to the switch

interface GigabitEthernet 0/0/1
port link-type access
GE 0/0/1 Port added to VLAN100 middle()?
port default VLAN 100

interface
GigabitEthernet 0/0/1 port link-type
access
port allow-pass VLAN 100

interface GigabitEthernet 0/0/1
port link-type trunk
trunk allow-pass VLAN 100

interface GigabitEthernet 0/0/1
port link-type trunk
VLAN 100

NEW QUESTION 59
There are four wireless STA, According to the following backoff time parameters, which workstation has the priority to occupy the channel?

NEW QUESTION 60
802.11 What parameters are used in the frame to reorganize the frame segment ()?

Frame Control

Duration

Address Bit

Fragment number

NEW QUESTION 61
In the following options, () is not the main purpose of roaming.

Avoid long authentication time during roaming, resulting in packet loss or even business interruption

Ensure that the user authorization information remains unchanged

Guarantee users IP The address remains unchanged

Ensure that the user’s network rate remains unchanged

NEW QUESTION 62
Which of the following descriptions of business VLAN is correct is ().
(Select 3 Answers)

Mainly responsible for transmitting data when WLAN users go online

PVID VLAN under the WLAN ESS interface

Service VLAN under the service set template

If the data tunnel is used for forwarding, user data will not be transmitted through the business VLAN business

NEW QUESTION 63
for AC6605 , The following command () can be used to view AP Is it online?

display ap online all

display ap all

display ap-type all

dispay ap-run-info all

NEW QUESTION 64
Among the following options, () is a prerequisite for enabling Huawei’s load balancing function.

AP Belong to the same type

AP In the same AC Under management, and AP Signal overlap

STA Can scan to each other for load balancing AP

AP The output power settings are the same

NEW QUESTION 65
802.11 In the frame, RTS and CTS What is the interframe interval between ()?

SIFS

IFS

DIFS

PIFS