May 2019
Beginner to intermediate
296 pages
6h 58m
Japanese
Content preview from IT用語図鑑 ビジネスで使える厳選キーワード256
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57
2
I
T
関連用語
用語に関連する話
用語の使用例
ドメイン 名とD N S
コンピュータに名前を 付ける
電 子メール の 送 受 信 や We b サイトの 閲 覧を行う際、インターネット上 のどこにあるかを覚
えてもらいやすくするため、サーバーが存在するネットワーク（領域）にドメイン名という名
前を付けている（例 :shoeisha.co.jp）。ドメイン名（住所）とIP アドレス（場所）を対応
付けるしくみに D N S が あり、ドメイン名から I P アドレスを調べることを名 前 解 決と言う。
「.」で区切った階層構造
ドメイン名は「shoeisha.co.jp」の
ように「.」で区切った階層構造で、
「jp」は日本を、「co」は会社などを
表し、右側から順に下の階層へと
広がっていく。
名前解決を行うサーバー
DNSによる名前解決を行うサー
バーをネームサーバーと言い、ド
メイン名とIPアドレスの対応表
を管理し、聞かれたドメイン名に
対応するIP アドレスを返す。
コンピュータの名 前
ネットワークに接続するPCや
サーバー、ネットワーク機器など
に、人間が覚えやすいようなホス
ト名と言われる名前を重複しな
いように設定する。
ここの住所で場所は
合っているかな？
▶
どめいんめい
▶
でぃーえぬえす
Keyword
042
「 新しいサービスを提供するなら、わかりや すいドメイン名を考えないとね。」
IP アドレスとポート番号
……P56
ド メ イ ン と セ グ メ ント
……P65
URL とURI
……P123 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.