在Excel工作表中，已知在单元A1到C1中分别存放着数值2、4、6，在单元A2到C2中分别存放着数值1、3、5，在单元A3到C3中分别存放着数值3、6、9，单元E1中存放着公式=SUM（A$1，$A2），此时将单元E1的内容分别复制到E2、F1、F2，则这三个单元的结果分别是（）。 5、5、7。 3、3、3。 4、7、9。 2、5、4。
简述鱼鳔的结构和功能。
our company has a main office and one branch office. All servers run Windows Server 2003 Service Pack 2 (SP2).In the main office, a server named DNS1 hosts the primary DNS zone for contoso.com.You configure a primary zone for west.contoso.com on a DNS server named DNS2 in the branch office. All servers in the branch office are configured to have the west.contoso.com DNS suffix.You need to ensure that users in the main office can resolve server names in the branch office. The solution must meet the following requirements: Minimize the amount of DNS zone transfer traffic between the offices.Maintain the current name resolution process for users in the main office. What should you configure on DNS1? （） a host record for DNS2 。 a secondary zone for the west.contoso.com zone 。 a stub zone for the west.contoso.com zone 。 DNS2 as a forwarder。
What is the SMB Partner Practice Builder？（） technical support that requires an annual subscription。 management consultancy service offered to develop partner business process。 support for partners building a new business。 program to develop Unified Communications practice。
常规安全检查通常是对人员的行为、作业场所环境条件、生产设备设施等进行的检查。检查结果取决于检查人员的个人经验和能力。为了尽量减少检查人员个人因素对检查结果的影响，常用的检查方法是（）。 安全检查表法。 事故树分析。 人的可靠性分析法。
Cisco.com offers account managers which three of these resources？ （）
