What are some general guidelines regarding the placement of access control lists?（）
A. You should place standard ACLS as close as possible to the source of traffic to be denied.
B. You should place extended ACLS as close as possible to the source of traffic to be denied.
C. You should place standard ACLS as close as possible to the destination of traffic to be denied.
D. You should place extended ACLS should be places as close as possible to the destination of traffic to be denied.
查看答案
备用信用证的当事人只受（）本身条款的约束，不受（）的约束。
既然有了国家排放标准，为什么还允许制定和执行地方排放标准？
豆沙馅一般均用（）制成。
A. 玉米
B. 白面
C. 黄豆
D. 红小豆
包馅时要一手持皮，另一只手把（）放到面皮的中间。
A. 馅心
B. 菜叶
C. 肉片
D. 土豆
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