Which of the following situations would suggest to a System x Sales Specialist that the customer could benefit from an iSCSI solution？（） The customer is looking for a fibre SAN solution to increase reliability and performance.。 The customer wants to implement an energy-efficient solution to comply with their Go Green initiative.。 The customer is cost-conscious and is looking for a centralized storage solution.。 The customer is a large telecommunications firm and is looking to centralize storage for all their System x，System p，and mainframe servers.。
Given two different character sets （A and B）， which of the following must be true for A to be considered a strict superset of B？（） A must contain all of the characters defined in B。 A must be Unicode。 The encoded values in A must match the encoded values in B for all characters defined in B 。 A must be a multibyte character set。 The encoded values in A must match the encoded values in B for all numeric and alphabetic character。
补栽
类菌质体在植物体内的存在部分？四环素族抗菌素能否根治类菌质体病害？
An employee cannot access the company database. You check the connection variables: What is a valid explanation for why one of the users is unable to connect to the database?（） Bob has max_user_connections set to zero, which blocks all his connections。 Joe has exceeded the max_user_connections global limit。 All users are blocked because max_user_connections is accumulated over the host account information。 Kay is already connected elsewhere and attempting to log in again。 Connect_timeout is too small to allow a connection to occur。
【背景资料】郑州市某小区6号楼工程由某某建筑集团第一分公司承建。2008年11月20日主体结构及砌体全部施工完毕。至2008年11月粉刷施工队开始进场施工，到2009年5月25日大面积粉刷结束，在2009年4月份大检查时发现个别房间粉刷层空鼓但无裂缝，开始组织少量人员进行维修，到2009年5月20日再次大检查时发现大部分房间粉刷层空鼓并且墙面有很多裂纹，这时引起公司重视，开始组织专家到现场查勘并查找墙面粉刷层空鼓、裂缝的原因。
请根据背景资料完成以下选项。墙面粉刷宜采用砂的类型有（）。
