What types of security groups does Business Mobile support? (Multiple choice)

What problems does EVPN solve compared to traditional VPLS? (Multiple choice)

Which of the following boards is necessary for a desktop-frame firewall? (Multiple choice)

In the Wi-Fi6 protocol, both OFDMA and WU-MINO can improve the multi-user concurrent experience in high-density scenarios. OFDMA is more suitable for large packet transmission scenarios, while MU-WIMO is more suitable for small packet transmission scenarios.

Which description of the OceanStor Pacific remote HyperReplication function is correct? (Multiple choice)