The penetration loss of the following typical obstacles is the correct order from small to large?

A.

12cm brick wall < 24cm brick wall < glass window < metal

B.

12cm brick wall < 24cm brick wall < metal < glass window

C.

Glass window < 12cm brick wall < 24cm brick wall < metal

D.

Glass window < 12cm brick wall < metal < 24cm brick wall

In order to enable visitors to access the Internet through the WLAN network, the global pool is used to assign addresses to users. The following are not mandatory?

A.

Network

B.

Gateway-list

C.

DNS-list

D.

Option 43 sub-option 3

Which of the following options are typical WLAN indoor-mounted coverage scenarios?

A.

University classroom wireless coverage

B.

Office building wireless coverage

C.

University dormitory wireless coverage

D.

Hotel WOC wireless coverage

From the general business application of the high-density stadium, which of the following requires the lowest bandwidth?

A.

Video

B.

IM

C.

Web

D.

Email

E.

VoIP

Which of the following certifications can achieve fast roaming?

A.

Share-key

B.

WPA+PSK

C.

WPA2+802.1x

D.

WPA2+PSK

In the WLAN Tester 2.0 tool, when a vendor group information is added to an AP packet in the global configuration, can one vendor correspond to several OUIs?

A.

1

B.

2

C.

3

D.

Multiple

A WLAN campus network adopts the independent AC (ACU2/AC6605/AC6005) deployment mode. This method does not support the following reliability methods. case?

A.

VRRP hot standby solution

B.

Dual-link cold standby solution

C.

Dual-link hot standby solution

D.

Stacking hot standby solution

Huawei's S7700 series switches support PoE boards to supply power to PDs and PoE power redundancy. S7712 switches are supported. What are the different ways of redundant PoE power supply?

A.

1+1

B.

2+2

C.

1+2

D.

3+1

In the 3-hop co-frequency chain Mesh, assuming that the throughput of the MPP is 60 Mbps and the throughput under each MP is the same, the throughput of each MP is
How many?

A.

5Mbps

B.

10Mbps

C.

15Mbps

D.

20Mbps

Which of the following RF modes can the 802.11bg NIC be connected to?

A.

802.11an

B.

802.11gn

C.

802.11bgn

D.

802.11ac