Which of the following are common issues that should be considered when establishing ortroubleshooting site-to-site VPNs？（Choose all that apply.）（）
- A、User authentication
- B、Overlapping IP address space
- C、GRE or IPsec configuration
- D、MTU size
- E、VPN client software
- F、Authentication server configured ly
正确答案:B,C,D
答案解析:有
微信扫一扫手机做题