Which information element will the client use if the client intends to use a different PHY rate than the nominal PHY rate advertised?（） ["TSPEC IE","TSRS IE","WMM IE","TSM IE"]
Compared to the traditional Layer 2 and Layer 3 system, how does the Cisco Catalyst 6500 VSS 1440simplify the network? （） [" provides loop-free technology"," manages additional routing peers"," provides HSRP\/VRRP"," manages two nodes and configuratio"]
利用一般计算工具，运用各种数学方法人工进行刀具轨迹的运算并进行指令编程称（）。 ["手工编程","自动编程","CAD\/CAM编程","机床编程"]
患者，男性，50岁，行经皮肝穿刺置管引流术，术后护士应注意观察：（） ["有无血性胆汁流出","术后1~2天胆汁呈混沌墨绿色，以后逐渐呈清黄色或黄绿色","若胆汁引流量突然减少，应检查引流管是否脱出，通知医生处理","有无腹痛、腹胀情况","黄疸有无减轻或加重"]
You work as a network technician at Certkiller .com. Your boss， Mrs. Certkiller， is interested in UTP categories.Match the appropriate environments with the correct UTP category.
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