【说明】
某单位采用Windows操作系统配置 DNS服务器，根据配置回答下列问题。
【问题 2】 (10分）
图2-2 是 DNS 服务安装后的管理界面，新建由域名到IP地址解析的过程在（4）里面配置。新建由IP地址解析到域名解析的过程在（5）里面配置，在"正向查找区域"上单击右键可以（6）。
（6）备选答案：
A. 新建区域 B.新建域
DNS中的相关记录有很多，A记录代表（7），CNAME记录代表（8）。
（7）~（8）备选答案：
A. 别名记录 B.域名到IPv4地址的记录
正确答案及解析
正确答案
解析
（4）正向查找区域
（5）反向查找区域
（6）A
（7）B
（8）A
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