When troubleshooting a possible misconfiguration between the LAC and LNS, what are two tools used to compare them?（） (Choose two.)
Ashow aaa-domain map on the LAC
Bshow aaa-domain map on the LNS
Cshow l2tp destination profile on the LAC
Dshow l2tp destination profile on the LNS
使用演示文稿设计中的“活力”模板来修饰全文。全文幻灯片的切换效果设置成“百叶窗”。
You are using the following command to clear the log file group： ALTER DATABASE CLEAR LOFFILE GROUP 2； In which case would the command be successful？（）
A、Group 2 is the active group.
B、Group 2 is the current group.
C、Database is in the MOUNT state.
D、Group 2 has been already archived.
Which term describes a group of packets sharing common forwarding characteristics?（）
A、common forwarding class
B、forwarding equivalence class
C、equivalent class characteristics
D、forwarding class characteristics
（）在Excel2003中，为了避免把输入的分数视为日期，在分数前要输入0和空格。
A、对
B、错
有m个进程共享同一临界资源，若使用信号量机制实现对一临界资源的互斥访问，则信号量的变化范围是（）。
A、1至－（m－1）
B、1至m－1
C、1至－m
D、1至m