一台 MSR 路由器通过广域网接口连接到 Internet,在该 MSR 路由器上看到如下接口显示信息:
Mp-group1 current state: UP
Line protocol current state: UP
Description: Mp-group1 Interface
The Maximum Transmit Unit is 1500, Hold timer is 10(sec)
Internet Address is 172.16.1.100/24 Primary
Link layer protocol is PPP
LCP opened, MP opened, IPCP opened
Physical is MP, baudrate: 64000 bps
那么对如上显示信息分析正确的是( )。(选择一项或多项)
A.该接口使用的物理电缆为 MP电缆 B.该接口封装的链路层协议为PPP C.该接口 Mp-group1至少包含了两个物理接口 D.该接口运行的网络层协议为 IP正确答案BD
