Which of the following conditions guarantees that a broadcast storm cannot occur?() ["a native VLAN mismatch on either side of an 802.1Q link","BPDU filter configured on a link to another switch","Spanning Tree Protocol enabled on both Layer 2 and multilayer switches","PortFast enabled on all access and trunk port"]
什么是FTP
在活动目录中,用户账户用来代表域中的()。
按媒介划分,广告设计形式种类有() ["广播广告","印刷广告","户外广告","POP广告"]
关于一般纳税人的增值税申报的表述不正确的是()。 ["申报期为次月1日起至20日止","最后一日是法定节假日的,以休假日期满的次日为期限的最后一日","在申报期内有连续3日以上法定节假日的,按休假天数顺延","纳税人在办理当月纳税申报后,应打印所有必报资料,按月整理装订,并按公历年度归档管理"]
简述扫描仪的主要性能指标。