单项选择题
If all OSPF routers on a broadcast network have the same OSPF priority， what parameter is used to determine the new BDR at the time of a DR failure？（）
A. area ID
B. router ID
C. loopback address
D. IP address of interface on broadcast network
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单项选择题
运输标志是指（）。
A.商品内包装上的标志
B.商品外包装上的标志
C.运输工具上的标志
D.待运货场的标志 -
判断题
评审专家对与自己有利害关系的评审项目，如受到邀请，应主动提出回避。 -
单项选择题
A virus scanner is running on a computer and scans all files currently in use. Why should a full scan be performed periodically?（）
A. Files not accessed recently may contain a virus.
B. A full scan optimizes all files on the hard drive.
C. A full scan resets the archive bit on the file.
D. Active antivirus software only scans the C:\WINDOWS directory.
