Mailers must use the simplified address “Postal Customer” when complete distribution is intended to all active deliveries (residential and business) on any designated city route. Mailers may use a more specific address, such as “PO Boxholder” when delivery is intended to all active Post Offi...
Most business networks still rely on IPv4, which uses five classes to distinguish various IP address ranges. Classes A, B and C are common on most internal networks. Network professionals must understand their network design to use tools likeipconfig,ip addr,ifconfigandpingto troubleshoot communic...
(I just wish there was an answer to why some people think it is “nice and polite” to address envelopes in only the man´s name –“Mr & Mrs John Smith” – but I know from experience would consider it next to a mortal sin to address the same envelope in the woman´s name ...