【单选题】听力原文:M: German wine? No, I'm Sorry, Madam. We haven't any German wine. We have some Italian wine. W: All right. So, a bottle of Italian wine, one fish, one steak, two salads. Q: Where did this convers...
【单选题】听力原文:M: German wine? No, I'm sorry, Madam. We haven't any German wine. We have some Italian wine. W: All right. So, a bottle of Italian wine, one fish, one steak, two salads. Q: Where did this convers...
【简答题】一家企业因为内部主机数量过多,因此申请了多个公网 IP 地址用于 PAT 转换。在出口路由器配置 PAT 时,工程师使用了地址池的方式。但工程师认为,由于这些地址只存放在地址池中,并没有配置在路由器的外网接口上,因此从互联网返回的 IP 流量将会因为目的地不可达而被运营商的路由器丢弃。于是,他使用了 secondary 地址的方式,将地址池中的所有 IP 地址配置在了外网接口上。对于该工程师的操作...