Technician a says when removing camshaft belts or chains always follow the manufacturer’s directions regarding the potential use of cam holding tools. technician b says not using cam holding tools during belt or chain removal can damage camshaft bearings. who is correct?

Once the data center routes to the destination server that hosts the website, what's the next step in the internet process? user’s browser renders html code from destination server into web page request goes through router/model and isp request routed to nameserver and datacenter