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الموضوع: هل حل السوال صحيح ام لا

  1. #1
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    Question هل حل السوال صحيح ام لا





    Learning Objectives
    IP subnet planning
    o Practice your subnetting skills.
    Build the network.
    o Connect devices with Ethernet and serial cables.
    Configure the network.
    o Apply your subnetting scheme to server, PCs, and router interfaces; configure
    services and static routing.
    Test the network
    o Using ping, trace, web traffic, Inspect tool.
    Background
    Network Interface Cards (NICs) are sometimes thought of as Layer 2 and Layer 1 devices (or as
    Layer 2 and Layer 1 components of devices that function at all 7 layers). Sometimes the network
    interface card for a serial connection, typically used in WAN connections, is called a WAN
    interface card or WIC. In this challenge you must add a WIC to a device to complete the network.
    In addition, you have been asked to implement a new IP addressing scheme to the Exploration
    lab topology.
    Task 1: IP Subnet Planning.
    You have been given an IP address block of 172.16.0.0 /22. You must provide for existing
    networks as well as future growth.
    Subnet assignments are:
    1st subnet, existing student LAN, up to 400 hosts; (Fa0/0 on R2-Central)
    2nd subnet, future student LAN, up to 180 hosts; (not yet implemented)
    3rd subnet, existing ISP LAN, up to 40 hosts; (Fa0/0 on R1-ISP)
    4th subnet, future ISP LAN, up to 18 hosts; (not yet implemented)
    5th subnet, existing WAN, point-to-point link; (S0/0/0 on R1-ISP and R2-Central)
    6th subnet, future WAN, point-to-point link; (not yet implemented)
    7th subnet, future WAN, point-to-point link. (not yet implemented)
    Interface IP addresses:
    For the server, configure the second highest usable IP address on the ISP LAN subnet.
    For R1-ISP's Fa0/0 interface, configure the highest usable IP address on the ISP LAN
    subnet.
    For R1-ISP's S0/0/0 interface, configure the highest usable address on the existing WAN
    subnet.
    For R2-Central's S0/0/0 interface, use the lowest usable address on the existing WAN
    subnet.
    For R2-Central's Fa0/0 interface, use the highest usable address on the existing student
    LAN subnet.
    For PCs 1A and 1B, use the first 2 IP addresses (two lowest usable addresses) on the
    existing student LAN subnet.
    Additional configurations:
    All contents are Copyright © 1992–2007 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 2 of 3
    CCNA Exploration
    Network Fundamentals:
    Data Link Layer 7.6.1: Skills Integration Challenge-Data Link Layer Issues
    For PCs 1A and 1B, in addition to IP configuration, configure them to use DNS services.
    For the server, enable DNS services, use the domain name eagle-server.example.com,
    and enable HTTP services.
    Task 2: Finish Building the Network in Packet Tracer, Attending to Some
    Layer 2 Issues.
    On the R2-Central router, a network interface card is missing for the serial connection to R1-ISP:
    add a WIC-2T in the right hand slot. Also, on R2-Central, the Fa0/0 is shutdown; turn it on.
    Connect a serial DCE cable to R1-ISP S0/0/0, with the other end to R2-Central S0/0/0. For all
    devices, make sure the power is on to all device and interfaces.
    Task 3: Configure the Network.
    You will need to configure the server, both routers, and the two PCs. You will not need to
    configure the switch nor do you need the IOS CLI to configure the routers. Part of the router
    configuration has already been done for you: all you must do is configure the static routes and the
    interfaces via the GUI. The static route on R1-ISP should point to the existing student LAN subnet
    via R2-Central's serial interface IP address; the static route on R2-Central should be a default
    static route which points via R1-ISP's serial interface IP address. These procedures were
    explained in the Chapter 5 Skills Integration Challenge and practiced in the Chapter 6 Skills
    Integration Challenge.
    Task 4: Test the Network.
    Use ping, trace, web traffic, and the Inspect tool. Trace packet flow in simulation mode, with
    HTTP, DNS, TCP, UDP, and ICMP viewable, to test your understanding of how the network is
    operating. Note in particular what Layer 2 encapsulation is used in each step of a packet's
    journey, and how the headers on the Layer 2 PDUs change.
    Reflection
    Consider an ICMP echo request packet sent from PC 1A to Eagle Server and the ICMP echo
    reply packet that results. What addresses stay the same in this situation, and what addresses
    change?
    --------------------------------------------------------------
    الحل

    1- no.of host first subnet=1024
    Subnetmask for subnet=255.255.252.0

    Rang for subnet1= 172.16.0.0
    .
    .
    172.16.0.255
    172.16.1.0
    .
    .
    172.16.1.255

    Rang for subnet2 = future student LAN, up to 180 hosts; (not yet implemented)

    Rang for subnet3 =172.16.3.0
    .
    . .
    .
    172.16.3.63

    Subnet mask=255.255.255.240

    Rang for subnet4= future ISP LAN, up to 18 hosts; (not yet implemented)
    Rang for subnet5= 172.16.5.0
    .
    . .
    .
    172.16.5.31


    Rang for subnet6= WAN, point-to-point link; (not yet implemented)
    Rang for subnet7= WAN, point-to-point link; (not yet implemented)



    اخواني انا حليت السوال فارجو منكم اشوفون الحل صحيح ام لا؟؟؟؟؟ لان انا مبتدئ
    ومااعرف حليت صحيح ام يوجد لدي اخطاء
    ؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟

    اخوان كيف احسب
    ؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟ في السوال DNS
    والسلام عليكم ورحمة الله وبركاته

  2. #2
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    رد: هل حل السوال صحيح ام لا

    Learning Objectives
    IP subnet planning
    o Practice your subnetting skills.
    Build the network.
    o Connect devices with Ethernet and serial cables.
    Configure the network.
    o Apply your subnetting scheme to server, PCs, and router interfaces; configure
    services and static routing.
    Test the network
    o Using ping, trace, web traffic, Inspect tool.
    Background
    Network Interface Cards (NICs) are sometimes thought of as Layer 2 and Layer 1 devices (or as
    Layer 2 and Layer 1 components of devices that function at all 7 layers). Sometimes the network
    interface card for a serial connection, typically used in WAN connections, is called a WAN
    interface card or WIC. In this challenge you must add a WIC to a device to complete the network.
    In addition, you have been asked to implement a new IP addressing scheme to the Exploration
    lab topology.
    Task 1: IP Subnet Planning.
    You have been given an IP address block of 172.16.0.0 /22. You must provide for existing
    networks as well as future growth.
    Subnet assignments are:
    1st subnet, existing student LAN, up to 400 hosts; (Fa0/0 on R2-Central)
    2nd subnet, future student LAN, up to 180 hosts; (not yet implemented)
    3rd subnet, existing ISP LAN, up to 40 hosts; (Fa0/0 on R1-ISP)
    4th subnet, future ISP LAN, up to 18 hosts; (not yet implemented)
    5th subnet, existing WAN, point-to-point link; (S0/0/0 on R1-ISP and R2-Central)
    6th subnet, future WAN, point-to-point link; (not yet implemented)
    7th subnet, future WAN, point-to-point link. (not yet implemented)
    Interface IP addresses:
    For the server, configure the second highest usable IP address on the ISP LAN subnet.
    For R1-ISP's Fa0/0 interface, configure the highest usable IP address on the ISP LAN
    subnet.
    For R1-ISP's S0/0/0 interface, configure the highest usable address on the existing WAN
    subnet.
    For R2-Central's S0/0/0 interface, use the lowest usable address on the existing WAN
    subnet.
    For R2-Central's Fa0/0 interface, use the highest usable address on the existing student
    LAN subnet.
    For PCs 1A and 1B, use the first 2 IP addresses (two lowest usable addresses) on the
    existing student LAN subnet.
    Additional configurations:
    All contents are Copyright © 1992–2007 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 2 of 3
    CCNA Exploration
    Network Fundamentals:
    Data Link Layer 7.6.1: Skills Integration Challenge-Data Link Layer Issues
    For PCs 1A and 1B, in addition to IP configuration, configure them to use DNS services.
    For the server, enable DNS services, use the domain name eagle-server.example.com,
    and enable HTTP services.
    Task 2: Finish Building the Network in Packet Tracer, Attending to Some
    Layer 2 Issues.
    On the R2-Central router, a network interface card is missing for the serial connection to R1-ISP:
    add a WIC-2T in the right hand slot. Also, on R2-Central, the Fa0/0 is shutdown; turn it on.
    Connect a serial DCE cable to R1-ISP S0/0/0, with the other end to R2-Central S0/0/0. For all
    devices, make sure the power is on to all device and interfaces.
    Task 3: Configure the Network.
    You will need to configure the server, both routers, and the two PCs. You will not need to
    configure the switch nor do you need the IOS CLI to configure the routers. Part of the router
    configuration has already been done for you: all you must do is configure the static routes and the
    interfaces via the GUI. The static route on R1-ISP should point to the existing student LAN subnet
    via R2-Central's serial interface IP address; the static route on R2-Central should be a default
    static route which points via R1-ISP's serial interface IP address. These procedures were
    explained in the Chapter 5 Skills Integration Challenge and practiced in the Chapter 6 Skills
    Integration Challenge.
    Task 4: Test the Network.
    Use ping, trace, web traffic, and the Inspect tool. Trace packet flow in simulation mode, with
    HTTP, DNS, TCP, UDP, and ICMP viewable, to test your understanding of how the network is
    operating. Note in particular what Layer 2 encapsulation is used in each step of a packet's
    journey, and how the headers on the Layer 2 PDUs change.
    Reflection
    Consider an ICMP echo request packet sent from PC 1A to Eagle Server and the ICMP echo
    reply packet that results. What addresses stay the same in this situation, and what addresses
    change?

  3. #3
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    رد: هل حل السوال صحيح ام لا

    ?????????????????????????????????????????????????? ?????????????????????

  4. #4
    عضو برونزي الصورة الرمزية Gawad
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    رد: هل حل السوال صحيح ام لا

    بسم الله والحمد لله والصلاة والسلام علي رسول الله وآله وصحبه وإخوانه أجمعين:

    مش ده المطلوب:
    1st subnet, existing student LAN, up to 400 hosts; (Fa0/0 on R2-Central)
    2nd subnet, future student LAN, up to 180 hosts; (not yet implemented)
    3rd subnet, existing ISP LAN, up to 40 hosts; (Fa0/0 on R1-ISP)
    4th subnet, future ISP LAN, up to 18 hosts; (not yet implemented)
    5th subnet, existing WAN, point-to-point link; (S0/0/0 on R1-ISP and R2-Central)
    6th subnet, future WAN, point-to-point link; (not yet implemented)
    7th subnet, future WAN, point-to-point link. (not yet implemented)

    يعني أول شبكة مطلوب 400 عنوان معني كده إن احنا حنستلف إن شاء الله 9 بت وده حيدينا 512 هوست وشيل 2 للشبكة والبرودكاست وبالتالي حيبقي عندنا 510 عنوان للأجهزة إن شاء الله
    معني كده إن الماسك بتاعنا كام
    الأول الماسك الأساسي كان
    255.255.252.0
    طيب لما استلفنا 9 بت يبقي الماسك كام

    255.255.254.0
    يعني الفاكتور عندنا هنا بيساوي 2
    تبقي الشبكات من فين لفين ؟

    172.16.0.0 إلي 172.16.1.255
    أما 172.16.2.0 فده الشبكة اللي بعدها
    طيب الشبكة اللي بعدها مطلوب 180 هوست
    طيب نستلف كام إن شاء الله؟
    نستلف 8 بت إن شاء الله وده حيدينا 256 ونشيل 2 شبكة وبرودكاست يبقي عندنا 254 عنوان إن شاء الله
    يبقي الماسك كام
    255.255.255.0
    وبالتالي الشبكة التانية
    172.16.2.0 إلي 172.16.2.255
    والشبكة التالتة مطلوب 40 عنوان هنا نستلف إن شاء الله6 بت
    يبقي الماسك 255.255.255.192 وبالتالي الفاكتور 64
    تبقي الشبكات
    172.16.3.0 إلي 172.16.3.63
    وهكذا لبقية الشبكات إن شاء الله
    لو فيه خطأ أرجو التصحيح إن شاء الله يا إخوة
    والله أعلي وأعلم
    ولا تنسني من صالح الدعاء
    وصلي الله وسلم وبارك علي المصطفي وآله وصحبه وإخوانه أجمعين.
    [CENTER][SIZE=4][COLOR=Blue]اللهم صلي على محمد وعلى آل محمد كما صليت على آل إبراهيم وبارك على محمد وعلى آل محمد كما باركت على آل إبراهيم في العالمين إنك حميد مجيد[/COLOR][/SIZE]

    [B][SIZE=4]اللهم احفظ مصر آمنة مطمئنة وسائر بلاد المسلمين
    اللهم قنا الفتن ما ظهر منا وما بطن
    [/SIZE][/B]
    [/CENTER]

  5. #5
    عضو برونزي الصورة الرمزية Gawad
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    رد: هل حل السوال صحيح ام لا

    بسم الله و الحمد لله والصلاة والسلام علي رسول الله وآله وصحبه وإخوانه أجمعين
    بالنسبة لتمارين الvlsm تأكد من حلولك مع هذا الموقع إن شاء الله
    http://www.vlsm-calc.net


    وصلي الله وسلم وبارك علي المصطفي وآله وصحبه وإخوانه أجمعين
    [CENTER][SIZE=4][COLOR=Blue]اللهم صلي على محمد وعلى آل محمد كما صليت على آل إبراهيم وبارك على محمد وعلى آل محمد كما باركت على آل إبراهيم في العالمين إنك حميد مجيد[/COLOR][/SIZE]

    [B][SIZE=4]اللهم احفظ مصر آمنة مطمئنة وسائر بلاد المسلمين
    اللهم قنا الفتن ما ظهر منا وما بطن
    [/SIZE][/B]
    [/CENTER]

  6. #6
    عضو
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    رد: هل حل السوال صحيح ام لا

    رائع أخي gawadelfagr و لمزيد من التوفيق

  7. #7
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    رد: هل حل السوال صحيح ام لا



    السلام عليكم ورحمة الله وبركاته

    جزاك الله الف خير ............جمعة مباركة

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