Dynamic Host Configuration (DHCP) assigns IP addresses to hosts. It allows easier administration and works well in small to even very large network environment. All types of hardware can be used as a DHCP server, including a Cisco router. DHCP server can provide to a host when the host is requesting an IP address from the DHCP server. Here's a list of the information a DHCP server can provide: a..

쿠키는 클라이언트 로컬에 저장되는 키와 값이 들어있는 데이터 파일이다 쿠키에는 이름,값,만료날짜(쿠키 저장기간), 경로정보가 들어있다 따라서 쿠키는 일정시간동안 데이터를 저장할 수 있게 된다. 클라이언트에서는 이를 상태관리해서 사용한다, 로컬에 저장했다가 참조한다는 소리로, react 는 redux, vue는 vuex에 넣고 관리하면 편하다 쿠키의 프로세스는 다음과 같다 1. 브라우저에서 웹페이지 접속 2. 클라이언트가 요청한 웹페이지를 받으면, 쿠키를 클라이언트 로컬에 저장(redux, vuex) 3. 클라이언트가 재요청시 웹페이지 요청과 함께 쿠키값도 전송 4. 지속적으로 로그인을 유지하여 http 통신의 문제점인 비연결지향(Connectionless)과 상태정보유지안함(Stateless)의 이슈 해..

COLLISION DOMAIN Before start to talk about this picture, what we called "collision domain" is a network segment connected by a shared medium or through repeaters where simultaneous data transmissions collide with one another[1]. The collision domain is a scenario in which when a device send out a message to the network, all other devices which are included in its collision domain have to pay at..

INTERNETWOKING BASICS Why is it so important to study CCNA internetwoking? Networks and netwoking have grown so fastly during last over few decades. In order to keep up with huge increases in basic mission, sharing data and printers as well as very advanced demands such as videoconferencing, They've had to evlove at light speed. However, there is a challenge because sometimes many relevant netwo..

MOTIVATION I have picked this book because I want to something better, especiall a better job with more satisfaction as this book's writer said. During this CCNA study, I want to use English as possible as I can for enhancing study habbit with English lecture. Actually this book is slightly heavy for someone who just want to study about basic network insight. However, I am sure that this content..