H12-311_V3.0無料問題集「Huawei HCIA-WLAN V3.0」

質問 1

By default, Huawei WLAN devices can implement intra-AC Layer 2 roaming without any configurations.

（A）False

（B）True

正解：B 解答を投票する

質問 2

thin AP Find AC In the process, the first step is AP Check if there is pre-configured static AC of IP List.

（A）False

（B）True

正解：B 解答を投票する

質問 3

If one 802.11n of AP support 2*2 of MIMO Technology, then this AP What is the theoretical rate of ()?

（A）300 Mbps

（B）450 Mbps

（C）150 Mbps

（D）600 Mbps

正解：A 解答を投票する

質問 4

In a dual-link backup network, AP According to what distinguishes the main use AC And spare AC of()?
(Select 3 Answers)

（A）AC Load condition

（B）AC of IP address

（C）priority

（D）AC response AP Time of day

正解：A、B、C 解答を投票する

質問 5

After one data frame is sent and confirmed, what is the time interval to wait before sending the next data frame ()?

（A）PIFS

（B）DIFS

（C）IFS

（D）SIFS

正解：B 解答を投票する

質問 6

BSS Full name Basic Service Set ,BSS It can be divided Independent BSS and Infrastructure BSS Two kinds.

（A）False

（B）True

正解：B 解答を投票する

質問 7

exist PoE Terminology PSU Full name is Power Supply Unit , Refers to the power supply unit, such as PoE The Ethernet interface of the switch.

（A）False

（B）True

正解：A 解答を投票する

質問 8

if AP The transmit power is 1mW , Converted to dBm After () dBm.

（A）20

（B）1

（C）10

（D）0

正解：D 解答を投票する

質問 9

For outdoor long-distance point-to-point backhaul, the antenna of () should be selected.

（A）High gain, large lobe width

（B）High gain, small lobe width

（C）Omnidirectional

（D）Low gain, large lobe width

正解：B 解答を投票する

質問 10

for AC+ thin AP The network architecture, the following description is wrong ().

（A）AP Can't work alone, need to be AC Centralized agent maintenance management

（B）AP Zero configuration itself, suitable for large-scale networking

（C）able to pass AC Enhance business QoS, Security and other functions

（D）Must be achieved through the network management system AP And user management

正解：D 解答を投票する

質問 11

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

（A）When the user performs web authentication, it is triggered by the user's http message after successfully obtaining the IP address; at this time, it is forcibly redirected to the portal server, Go through the certification process

（B）WPA only supports TKIP, an encryption technology

（C）When the user performs web authentication, it is triggered by the user's http message before the IP address is successfully obtained; at this time, it is forcibly redirected to the portal server, Go through the certification process

（D）WPA2 uses 802.1X authentication

正解：A、D 解答を投票する

質問 12

exist WLAN In the networking configuration, finally AC6605 What command must be executed to send the configuration to AP1 middle()?

（A）save ap id 1

（B）commit ap 1

（C）save ap 1 config

（D）save config ap 1

正解：B 解答を投票する

質問 13

For indoor distributed APs, which of the following descriptions is correct is ().

（A）AP6310SN supports dual frequency mode

（B）Can be deployed in conjunction with the operator's 3G network

（C）Waterproof and dustproof

（D）AP power up to 800mW

正解：B 解答を投票する

質問 14

For the choice of WLAN coverage antennas, it is recommended to choose () for long and narrow areas, and () for wide and short-distance areas.

（A）Omnidirectional antenna; directional antenna

（B）Omnidirectional antenna; Omnidirectional antenna

（C）Directional antenna; Directional antenna

（D）Directional antenna; omnidirectional antenna

正解：D 解答を投票する

質問 15

Which of the following commands can be viewed AC Current configuration()?

（A）display version

（B）display ap all

（C）display interface

（D）display current-configuration

正解：D 解答を投票する

質問 16

CAPWAP Protocol support Split Mac and Local Mac Two working modes.

（A）False

（B）True

正解：B 解答を投票する

質問 17

CCMP Encryption ratio TKIP Encryption security is high because of ().

（A）A more complex encryption algorithm is used

（B）Added message integrity check mechanism

（C）Added a key distribution mechanism, no longer using a single key

（D）Used longer IV

正解：A 解答を投票する

質問 18

There are three ways to judge Huawei's load balancing: traffic mode, session mode, and virtual switching mode.

（A）False

（B）True

正解：A 解答を投票する

質問 19

For areas with roaming needs, adjacent AP Coverage remains 50% The above overlap to ensure that the terminal is AP Smooth switching between.

（A）False

（B）True

正解：B 解答を投票する

H12-311_V3.0 無料問題集「Huawei HCIA-WLAN V3.0」

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