H12-311_V3.0-ENU V1

What is the name of the first radio communication network based on packet technology?A . INTERNET B. ARPANet C. ALOHNET D. NSFnetView AnswerAnswer: C

What is the bandwidth of each channel in the 802.11g frequency band?A . 25 MHz B. 20 MHz C. 50 MHz D. 22 MHzView AnswerAnswer: B

A company wants to deploy WLAN. The company purchased a batch of wireless APs that support 802.11n. After the WLAN is deployed, only wireless clients that support 802.11n can connect to the company's WLAN.A . True B. FalseView AnswerAnswer: B

Which of the following options is the maximum rate supported by the 802.11g protocol?A . 11Mbps B. 22Mbps C. 54Mbps D. 108MbpsView AnswerAnswer: C

In WLAN networking configuration, what command must be executed on AC6605 to deliver the configuration to AP1?A . save ap id 1 B. commit ap 1 C. save ap 1 config D. save config ap 1View AnswerAnswer: B

Which modulation method does the picture below belong to? A . AM B. FM C. Phasing D. ModulationView AnswerAnswer: B

What is the recommended AC-ID () for Huawei wireless controllers when configuring enterprise network WLAN services?A . cmcc (China Mobile) B. ctc (China Telecom) C. cuc (China Unicom) D. other (other)View AnswerAnswer: D

Which of the following aspects are the technical advantages of 802.11n compared to 802.11a/b/g?A . The maximum theoretical transfer rate is increased to 600Mbps B. Backward compatible with 802.11a/b/g protocol C. Support MIMO technology D. The other three items are correctView AnswerAnswer: C

Which of the following AP modes does not belong to the WDS network?A . Root AP B. Middle AP C. Bridge AP D. Leaf APView AnswerAnswer: C

What is the mandatory wireless LAN security standard?A . WiFi B. WAPI C.WLAN D. WiMAXView AnswerAnswer: B