在C#中,无论是ping IP地址还是域名,底层逻辑在大多数情况下是相同的,因为最终都是发送ICMP(Internet Control Message Protocol)回显请求消息给目标,并监听回显应答。不过,处理域名时࿰…
1级变0级的原因:
1.explicit deletion of the level 0 backups , ignoring retention policy,不要手动delete backup,使用delete obsolete
2.deletion from disk followed by crossheck/delete expired 不要crosscheck expired 会删除字典
3.if a catalog is NO…