Which two characteristics are most typical of a SAN? （） [" NICs are used for network connectivity."," Servers request specific blocks of data."," Storage devices are directly connected to servers."," A fabric is used as the hardware for connecting servers to storage devices."," The TCO is higher because of the cost of director class storage switches."]
线路大跨度在恶劣气象条件下，导线弧垂最低点的最大应力，均应按不超过抗拉强度的（）脸算。 ["90%","80%","70%","60%"]
You are the Cisco Network Designer in Cisco.com. You are designing an e-Commerce module，which routing statement is correct？（） [" Routing is mostly static."," Hardcoded IP addresses are used to support failover."," Inbound servers use the CSM or ACE as the default gateway."," VLANs between the access layer switches are used for FHRP protocols."]
（）是我们党的力量源泉和胜利之本。 ["工人阶级","人民群众","无产阶级","知识分子"]
设想产生者，是专业领域的专家。
M公司对应收账款采用账龄分析法估计坏账损失。2014年初“坏账准备”账户贷方余额3500元；当年3月确认坏账准备1500元；2014年12月31日应收账款余额、账龄及估计损失率如下表所示：
2015年3月4日，收回以前已作为坏账注销的应收账款4000元。
编制2014、2015年度相关业务的会计分录。
