使用display nat session 命令查看NAT 信息，显示如下：
There are currently 4 NAT sessions
Protocol GlobalAddr Port InsideAddr Port DestAddr Port
- 198.80.28.11 --- 10.0.0.2 --- --- ---
VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:04:00
- 198.80.28.12 --- 10.0.0.1 --- --- ---
VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59
1 198.80.28.12 1024 10.0.0.1 1024 198.80.29.4 1024
VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59
1 198.80.28.11 512 10.0.0.2 512 198.80.29.4 512
VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00
由此信息可知私网地址是__（ ）____。
A.192.80.28.12 B.10.0.0.1 C.192.80.29.4 D.10.0.0.2 E.192.80.28.11正确答案BD
