You need to ensure that there is adequate bandwidth available to meet the service-level agreement requirements. Which action or actions should you perform？ （） [" Upgrade all WAN lines in six months."," Upgrade all WAN lines prior to implementing NewApp."," Analyze the cause of a peak in network usage in February."," Analyze network usage characteristics for NewApp.Based on these results， create an upgrade plan for the WAN lines."]
信用证只规定了货物的总称，发票应照样显示外，还可加列详细的货名，并允许与总称不一样。
血痕的确证试验有何意义？主要的方法有哪些？
某日，甲某在街上看见乙某（系公安民警，身着便装）的手包内很鼓，以为包内有很多钱，遂跟踪乙某。此后，乙某到一商场购物，拉开手包拉链，甲看到了露出多张百元面值人民币，甲见财起意，又尾随乙某至一人员稀少处，趁其不备，从乙某手中抢走手包，逃之夭夭。甲打开手包发现，包内除现金4000元外，还有六四手枪一支和警官证等物品若干。甲某将手枪和警官证等其他物品藏在家中。甲的行为构成（）。 ["抢夺枪支罪","抢夺罪","抢劫罪","非法持有枪支罪"]
Rate your level of proficiency with restoring and backing up Windows XP Professional， system state data， and user data.（） ["Very High","High","Moderate","Low","Very Low"]
燃气管道非开挖改造技术的工法强调采用（）等动力设备，在不开挖路面的情况下实现旧燃气管道的改造。
