Which VPN is recommended for dynamic branch tunnel?

which is main differences between MPU of CE12800 and CE12800s? (Multiple Choice)

Which NE05E08E have pluggable slot? (Multiple Choice)

Anti-tampering and anti-implantation of Huawei products include:
(Choose all that apply.)

Huawei attaches great importance to cyber security, set cyber security as an important strategy for the development of the company, and commitment to cyber security will never be outweighed by the consideration of commercial interests.