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

質問 1

Used as AP and AC Establish CAPWAP tunnel VLAN What is it VLAN ()?

（A）Certification VLAN

（B）manage VLAN

（C）Serve VLAN

（D）user VLAN

正解：B 解答を投票する

質問 2

exist 802.1X In the agreement, you must have () to be able to complete the authentication and authorization of the user. (Select 3 Answers)

（A）Client

（B）Authentication server

（C）Authenticator

（D）eSight server

正解：A、B、C 解答を投票する

質問 3

Perform connectivity test AP or AC Must be online.

（A）False

（B）True

正解：B 解答を投票する

質問 4

pass through FTP Way to upgrade AP, You need to ensure AP and FTP Servers can communicate with each other, and AP Put the upgrade file in FTP Root directory.

（A）False

（B）True

正解：B 解答を投票する

質問 5

In order to facilitate management and maintenance, AP The power supply mode is generally preferred to select () for power supply.

（A）POE switch

（B）POE adapter

（C）AC power supply

（D）Independent power adapter

正解：A 解答を投票する

質問 6

Terminal is different VLAN The roaming within belongs to ().

（A）Three-tier roaming

（B）Two-tier roaming

（C）Four-tier roaming

（D）Seamless AP roaming

正解：A 解答を投票する

質問 7

802.11a exist 20M How many sub-carriers can be used to transmit data in the mode ()?

（A）52

（B）48

（C）56

（D）54

正解：B 解答を投票する

質問 8

Int-Serv The model provides users with end-to-end absolute

（A）Limited bandwidth reservation

（B）Not conducive to traffic monitoring

（C）Scalability is not good

（D）Low forwarding efficiency

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 9

Which of the following statements about Layer 2 and Layer 3 roaming are true?

（A）Layer 3 roaming indicates that STAs roam between different subnets.

（B）Layer 2 roaming indicates that STAs roam within the same subnet.

（C）After Layer 3 roaming is performed, the VLAN IDs in the service sets of APs must be the same.

（D）Layer 2 roaming can be determined as long as the VLAN IDs before and after roaming are the same.

正解：A、B、D 解答を投票する

質問 10

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).

（A）False

（B）True

正解：B 解答を投票する

質問 11

AP Transmit power 20dBm , Antenna gain 4dBi , Cable and device loss 1dB , Terminal receiving antenna gain 2dBi , Space propagation loss 80dB , Terminal receiving level RSSI= ().

（A）-56

（B）-55

（C）-54

（D）-57

正解：A 解答を投票する

質問 12

Which of the following descriptions of management VLAN is correct is ().

（A）Mainly responsible for transmitting data when WLAN users go online

（B）Responsible for the establishment of the CAPWAP tunnel between AC and AP

（C）Service VLAN under the service set template

（D）PVID VLAN under the WLAN ESS interface

正解：B 解答を投票する

質問 13

TKIP Encryption ratio WEP Encryption security is high because of (). (Select 3 Answers)

（A）A more complex encryption algorithm is used

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

（C）Used longer IV

（D）Adopt a stronger data verification algorithm

正解：B、C、D 解答を投票する

質問 14

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 15

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.

（A）False

（B）True

正解：A 解答を投票する

質問 16

The following figure shows the hardware structure of an AirEngine 5760-51. Which of the following statements is true?

（A）3: USB port

（B）2: Port that receives PoE power

（C）1: Reset button

（D）8: IoT slots

正解：D 解答を投票する

質問 17

Same user VLAN And the same SSID All wireless users can access the Internet, but they can't access each other. What may be the cause of this phenomenon ()?

（A）Access AP Port isolation configured on the switch prevents mutual access between users

（B）Configured on the user's gateway device ACL , Which prevents mutual access between users

（C）wireless service-set User isolation is configured on the computer to prevent mutual access between users

（D）AC Configured on ACL , Which prevents mutual access between users

正解：C 解答を投票する

質問 18

WLAN When configuring the network, WMM Which of the following templates should the template be bound to ()?

（A）service-set

（B）traffic-profile

（C）security-profile

（D）radio-profile

正解：B 解答を投票する

質問 19

The omnidirectional antenna appears on the horizontal pattern as ()Spend.

（A）360

（B）90

（C）180

（D）0

正解：A 解答を投票する

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

弊社を連絡する

関連リンク

トップ試験