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    <title>교환 on Sobamemil</title>
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      <title>데이터 통신과 네트워킹 Chapter 8 교환 연습 문제 정답</title>
      <link>https://blog.sobamemil.com/posts/152-%EB%8D%B0%EC%9D%B4%ED%84%B0-%ED%86%B5%EC%8B%A0%EA%B3%BC-%EB%84%A4%ED%8A%B8%EC%9B%8C%ED%82%B9-chapter-8-%EA%B5%90%ED%99%98-%EC%97%B0%EC%8A%B5-%EB%AC%B8%EC%A0%9C-%EC%A0%95%EB%8B%B5/</link>
      <pubDate>Sun, 21 Jun 2020 19:09:59 +0900</pubDate>
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      <description>&lt;p&gt;&lt;strong&gt;Chapter 8 교환 연습 문제 풀이(답)&lt;/strong&gt;&lt;/p&gt;
&lt;ol&gt;
&lt;li&gt;회선 교환은 _______ 개의 범주로 나눌 수 있다.&lt;/li&gt;
&lt;/ol&gt;
&lt;p&gt;-&amp;gt; d. 정답 없음&lt;/p&gt;
&lt;ol start=&#34;2&#34;&gt;
&lt;li&gt;패킷 교환은 _______ 개의 범주로 나눌 수 있다.&lt;/li&gt;
&lt;/ol&gt;
&lt;p&gt;-&amp;gt; a. 2&lt;/p&gt;
&lt;ol start=&#34;3&#34;&gt;
&lt;li&gt;회선 교환은 _______ 계층에서 일어난다.&lt;/li&gt;
&lt;/ol&gt;
&lt;p&gt;-&amp;gt; b. 물리&lt;/p&gt;
&lt;ol start=&#34;4&#34;&gt;
&lt;li&gt;패킷 교환은 보통 _______ 계층에서 일어난다.&lt;/li&gt;
&lt;/ol&gt;
&lt;p&gt;-&amp;gt; b. 데이터 링크와 네트워크&lt;/p&gt;
&lt;ol start=&#34;5&#34;&gt;
&lt;li&gt;메시지 교환은 보통 _______ 계층에서 이용된다.&lt;/li&gt;
&lt;/ol&gt;
&lt;p&gt;-&amp;gt; d. 응용&lt;/p&gt;
&lt;ol start=&#34;6&#34;&gt;
&lt;li&gt;회선 교환 망에서는 _______ 단계가 필요하다.&lt;/li&gt;
&lt;/ol&gt;
&lt;p&gt;-&amp;gt; c. 3&lt;/p&gt;
&lt;ol start=&#34;7&#34;&gt;
&lt;li&gt;데이터그램 망에서는 _______ 단계가 필요하다.&lt;/li&gt;
&lt;/ol&gt;
&lt;p&gt;-&amp;gt; a. 1&lt;/p&gt;</description>
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