HCIA-WLAN V3.0 Questions and Answers
Regarding the two major PoE standards, the following statement is incorrect ().
(Select 2 Answers)
for AC6605 , The following command () can be used to view AP Is it online?
The following transmission rate can reach 54Mbps What are the wireless LAN standards and above ()? (Select 3 Answers)
Capacity planning mainly starts from the aspects of equipment performance, number of users, bandwidth requirements, and wireless environment, and estimates the amount required to meet the business volume. AP number
quantity.
In huawei eSight The maximum number of layers supported by the location topology in the network management system is layer ().
CAPWAP The agreement is made by IEEE Standards organization in 2009 year 4 One of the month WLAN Standard for AC And thin AP Communication between.
What are the prerequisites for users to achieve three-tier roaming ()?
(Select 3 Answers)
Which is the longest interval between 802.11 frames ()?
Which two of the following are PoE The power supply standard ()? (Select 2 Answers)
exist 802.11 In the frame, which type of message is used by the terminal to receive data packets in the power-saving mode?
For one adopts WPA2 PSK Certified and SSID For broadcast wireless networks, users can double-click the username and password to access the network. SSID And enter the correct use
If an SSID is incorrectly configured, STAs may not discover the target Wi-Fi. How do I modify the SSID to enable STAs to discover the target Wi-Fi?
Used as AP and AC Establish CAPWAP tunnel VLAN What is it VLAN ()?
According to the different signal parameters controlled, what modulation methods can be divided into ()? (Select 3 Answers)
Huawei Wireless Controller AC6605 The upgrade operation can only be performed on the wired side of the controller.
802.11 In the frame, STA Which type of frame () does the association request and authentication request belong to?
DSSS The modulation methods used are BPSK and QPSK .
In a large wireless network deployment scenario, AC When configured to "Layer 3 networking + bypass mode + direct forwarding", the gateway of the wireless user should. Where is it located ()?
Which of the following factors need to be taken into account when selecting a device in WLAN planning?
According to the following output, the correct statement below is ().
Huawei Versatile Routing Platform Software
VRP (R) software, Version 5.70 (AC6605 V200R001C00)
Copyright (C) 2003-2012 Huawei TECH CO., LTD
Quidway AC6605-PWR Routing Switch uptime is 0 week, 1 day, 23 hours, 33 minutes
H852V26S 0(Master): uptime is 0 week, 1 day, 23 hours, 33 minutes
512M bytes DDR Memory
128M bytes FLASH
Check the running status of the AC6605.
(Select 3 Answers)
Mesh Networking is defined in which of the following protocols ()?
if AP The transmit power is 1mW , Converted to dBm After () dBm.
Which of the following options are the basic functions of configuring Huawei wireless
controllers ()? (Select 3 Answers)
The following Huawei AP Which AP support SFP Fiber interface()?
As a guarantee WLAN There will be no interference between the various channels of the network, which of the following frequency bands belong to China5.8GHz Use frequency band()? (Select 2 Answers)
When did the initial application of wireless networks begin ()?
Which of the following technologies work at 5 GHz ()? (Select 2 Answers)
The following statement is correct ().
(Select 3 Answers)
By a wireless AP And what is the network of associated wireless clients called ()?
If it is turned on on the switch PoE The function of this, you can no longer access traditional equipment on these interfaces.
A 10 Floors of buildings need to be covered WLAN Signal, because taking into account the floor block,
which can be set to 6 channel.
5,6 Layered WLAN Signal frequency
In the following command (), you can view the current version information.
create radio-profile Must be bound wmm-profile Only possible, otherwise there will be configuration errors.
What was the name of the first radio communication network based on packet technology ()?
802.11b Support () channels in the United States, among which () channels do not overlap?
Huawei AC6605 What is the command to switch between the wired side and the wireless side ()?
Multi-floor deployment in a building AP When, the factor that needs attention is ().
(Select 3 Answers)
For outdoor WLAN Cover, the following statement is correct ().
(Select 3 Answers)
To the following WLAN In the description of the network diagram, the error is ().
The omnidirectional antenna appears on the horizontal pattern as ()Spend.
when AC When it is a bypass networking, if the data is forwarded directly, then the data flow () flow () AC. AC; If the data is in tunnel forwarding mode, the data
Which of the following options is 802.11g The maximum rate supported by the protocol ()?
If a STA is associated with an SSID that is the same on two APs, which of the following is used to identify the AP to which a STA is connected?
The following figure shows the hardware structure of an AirEngine 5760-51. Which of the following statements is true?
Point-to-point wireless bridges can be used to connect two networks located at different locations. In the wireless backbone connection, they are set to different channels. Root AP and Leaf AP Should be set
PPPoE Certified in WLAN When used, and WLAN The authentication encryption used by itself does not matter.
There are three ways to judge Huawei's load balancing: traffic mode, session mode, and virtual switching mode.
The antenna gains gain through ().
What series of Huawei switches () is the Huawei plug-in controller ACU board suitable for?
(Select 3 Answers)
Spread spectrum ( spread-spectrum ) Technology is to use ISM The basis of frequency band transmission of wireless data.
WLAN security policies are configured in security profiles. As such, WPA/WPA2 PPSK must be configured in the security profiles.
The electrical performance indicators of the antenna include ().
(Select 3 Answers)
Which of the following statements are true about a typical AP group?
The following pairs PSK The authentication description is wrong ().
AP What are the reasons for being unable to go online ()?
(Select 3 Answers)
Channel utilization is the ratio of the actual transmission rate to the channel bandwidth.
Which of the following functions does the Huawei WLAN planning tool have ()?
(Select 3 Answers)
If one 802.11n of AP support 2*2 of MIMO Technology, then this AP What is the theoretical rate of ()?
If you want to create an open authentication security template, the following correct configuration is ().
MIMO(Multiple input and multiple output) The client can use at most 3 Two spatial streams transmit data at the same time, and the maximum theoretical rate can reach , That is, multiple input and multiple output, using 600Mbps . 802.11n Technology wireless access point and guest
How many management nodes () does eSight Standard Edition support at most?
2.4 GHz What is the frequency band US non-overlapping channel ()?
an examination AC What is the command for online users ()?
Single area WLAN When planning, influence AP The factors of the number of deployment are ().
(Select 3 Answers)
1999 Year, IEEE 802.11a The standard formulation is completed. The standard stipulates that the working frequency band of wireless local area network can reach the transmission rate 11Mbps .
5.15 ~5.825GHz , Data transmission
Which of the following rates is not 802.11a. The rate supported by the protocol ()?
In the direct-connected networking solution, AP and AC Establish CAPWAP Tunnel, the management flow must be encapsulated in CAPWAP In the tunnel, data service
The stream can be optionally encapsulated in CAPWAP In the tunnel.
single AP What is the area covered ()?
Which of the following 802.11 control frames is sent by a STA to acquire the right to the wireless medium?
Huawei Box Wireless Controller AC6605 support twenty four Piece PoE Interface in WLAN Can be directly connected when networking AC of AP Make a supply
Electricity.
Which of the following ports can only belong to 1 Piece VLAN ().
In China, legally supported WLAN The frequency band has ().
(Select 2 Answers)
Int-Serv The model provides users with end-to-end absolute
exist PoE Of terms, AP What does it belong to ()?
802.11n exist 20M How many sub-carriers can be used to transmit data in the mode ()?
In the following options, () is not the main purpose of roaming.
IEEE It is the standards organization responsible for the use of wireless frequencies in the United States.
Which of the following is IEEE A wireless local area network standard originally formulated ()?
Huawei Wireless Controller AC6605 Supports user access security management through security templates, and supports WAPI Four security strategies.
according to AP and AC The inter-network architecture can divide the networking mode into two-tier networking and three-tier networking.
Which of the following is a restart AC6605 The command()?
Huawei APs support SSIDs containing Chinese characters.
WLAN When configuring the network, WMM Which of the following templates should the template be bound to ()?
because 802.11a The maximum rate supported is the same as 802.11g. The maximum rate supported is the same, so 802.11a Protocol is backward compatible 802.11g Agreement.
The gain of the antenna can be explained ().
For shared key authentication, the error described below is ().
exist 802.1X In the agreement, you must have () to be able to complete the authentication and authorization of the user. (Select 3 Answers)
Among the following priority queues, the () queue has the highest default priority.
WLAN AP It can be powered by ().
(Select 3 Answers)
Metal objects have a greater attenuation effect on wireless signals, AP Or the antenna should not be placed behind a metal ceiling, etc.
Defined WLAN Medium service quality 802.11 The agreement is ().
AP The systematic process of radio frequency resource management is ().
original 802.11 What is the maximum rate supported by the protocol Mbps ()?
802.11 In the frame, Address Which address bit represents the address of the receiving end of the frame ()?
802.11g What is the bandwidth of each channel of the frequency band ()?
The following is for thin AP Is the description correct ()?
It can be connected with the antenna via ().
The distance between the center frequencies of the two channels is less than or equal to
In order to avoid adjacent channel interference during domain channel planning, the same channel is not allowed to be used.
25MHz When there is an overlapping area between the channels, there will be some interference, so in the adjacent area
Regarding the functional characteristics of AP6010SN, which of the following statements is correct is ().
(Select 2 Answers)
In enterprise office scenarios, 40 MHz channel bandwidth is usually configured on the 2.4 GHz frequency band.
QoS What kinds of service models are included ()
(Select 3 Answers)
