Question { 8355 }

what are the steps of boot phases?

Answer

it is main point of Router
(1) ROM is Chip
where two types POST and Bootstrap
when router goes up the first of all Rom works Power on
self test and recoll the IOS via Flash memory and Flash
Memory is where IOS are installed
(2)LOad the configuration files form NVRAM

Question { 10365 }

what is frame relay?

Answer

Frame Relay is packet swiching technolgy it send frame over
the network and main point of Frame relay it work on DLCI
Data link control Identifier and Router is DTE and frame
Relay IS DCE so whenever you defined Frame relay you must
cheak DTE and DCE.