From owner-freebsd-questions@FreeBSD.ORG  Fri Oct 28 16:07:44 2005
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id F0C4516A41F
	for <freebsd-questions@freebsd.org>;
	Fri, 28 Oct 2005 16:07:44 +0000 (GMT)
	(envelope-from mohsen@pahlevanzadeh.org)
Received: from cpanel.unitedhosts.com (server7.unitedhosts.com
	[207.44.134.131])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 671E843D5C
	for <freebsd-questions@freebsd.org>;
	Fri, 28 Oct 2005 16:07:43 +0000 (GMT)
	(envelope-from mohsen@pahlevanzadeh.org)
Received: from [81.91.153.7] (helo=[192.168.12.69])
	by cpanel.unitedhosts.com with esmtpa (Exim 4.52) id 1EVUlL-0005HF-Mq
	for freebsd-questions@freebsd.org; Fri, 28 Oct 2005 06:58:58 -0700
Message-ID: <437C8066.2090501@pahlevanzadeh.org>
From: Mohsen Pahlevanzadeh <mohsen@pahlevanzadeh.org>
User-Agent: Mozilla Thunderbird 1.0.7 (X11/20050923)
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: freebsd-questions@freebsd.org
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-AntiAbuse: This header was added to track abuse,
	please include it with any abuse report
X-AntiAbuse: Primary Hostname - cpanel.unitedhosts.com
X-AntiAbuse: Original Domain - freebsd.org
X-AntiAbuse: Originator/Caller UID/GID - [0 0] / [47 12]
X-AntiAbuse: Sender Address Domain - pahlevanzadeh.org
X-Source: 
X-Source-Args: 
X-Source-Dir: 
Subject: jobs of network layer in  broadcast & PPP networks
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
Date: Fri, 28 Oct 2005 16:07:45 -0000
X-Original-Date: Thu, 17 Nov 2005 16:36:46 +0330
X-List-Received-Date: Fri, 28 Oct 2005 16:07:45 -0000

Dears,I have 2 question :
1.What's job of network layers in broadcast networks?
2.What's job of network layer in PPP networks?
Yours,Mohsen