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Huawei H12-311_V3.0 Practice Test - Questions Answers, Page 20
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Question 191
The following description of TKIP encryption is wrong ().
The length of IV used in TKIP encryption is 24 bits
TKIP encryption uses the same encryption algorithm as WEP encryption
The motivation for developing TKIP encryption is to upgrade the security of the old WEP hardware
TKIP encryption adds the mechanism of Key generation, management and transmission
Question 192
If the terminal supports 5GHz and 2.4GHz Function, then AP Can be configured to control this kind of terminal priority access 5GHz .
True
False
Question 193
The following () service model can provide end-to-end QoS services, but the scalability is not good.
Best Effort model
IntServ model
FIFO model
DiffServ model
Question 194
Among the following priority queues, the () queue has the highest default priority.
AC-BE
AC-VI
AC-VO
AC-BK
Question 195
CAPWAP The port number of the control message of the tunnel protocol is ().
1645
1646
5246
5247
Question 196
about WDS Which of the following statements is correct ()? (Select 2 Answers)
Connect two independent LAN segments through a wireless bridge and provide data transmission between them
WDS Used by default 2.4GHz Band as a bridge band
Scalability is good, and there is no need to lay new wired connections and deploy more
Huawei indoor AP not support WDS Features
Question 197
IEEE 802.11 The standard used to define roaming is ().
IEEE 802.11c
IEEE 802.11h
IEEE 802.11j
IEEE 802.11r
Question 198
Terminal is different VLAN The roaming within belongs to ().
Seamless AP roaming
Two-tier roaming
Three-tier roaming
Four-tier roaming
Question 199
QoS What kinds of service models are included ()
(Select 3 Answers)
Best Effort Model
IntServ Model
FIFO Model
DiffServ Model
Question 200
CAPWAP Tunnel encapsulation AC The port number of the side data packet is5246 , The control message port number is5247 .
True
False
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