Internet & Multimedia Second Year 2012

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Internet & Multimedia Second Year 2012 - Quiz


هذا الأختبـار لطــلاب االفرقـة االثـانية بأكاديميـة الزرقـاالترم الثانى 2012 Internet & Multimedia/Second Year 2012www. Alzarkains. Com
www. Alzarka-ins. Com
by dr emad eid Mar 2012 To take this Quiz go to www. Emadeid. Com

Questions and Answers
  • 1. 

    أى واحدة مما يلى نوع من الشبكات التى تربط الأجهزة فى مختلف المدن والبلد؟ 

    • A.

      LAN

    • B.

      Ethernet

    • C.

      WAN

    Correct Answer
    C. WAN
    Explanation
    WAN (Wide Area Network) is a type of network that connects devices across different cities and countries. LAN (Local Area Network) is a type of network that connects devices within a limited area, such as a home or office. Ethernet is a technology used to connect devices within a network, but it does not specify the geographical scope of the network. Therefore, the correct answer is WAN.

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  • 2. 

     أى الجمل التالية أكثر وصفا للإنترنت؟

    • A.

      هى الشبكة التى تستخدم بواسطة اكثر من مشروع

    • B.

      مجموعة من ملفات الكمبيوتر حول العالم مرتبطة معا بواسطة روابط

    • C.

      شبكة داخلية تستخدم البريد الإلكترونى والويب بداخل مشروع واحد

    Correct Answer
    B. مجموعة من ملفات الكمبيوتر حول العالم مرتبطة معا بواسطة روابط
    Explanation
    The correct answer describes the internet as a network of computer files connected together by links. This accurately represents the concept of the internet as a global network of interconnected computers and files. The other options do not fully capture the scope and nature of the internet.

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  • 3. 

    أى العبارات التالية خاطئة عن الإنترنت؟

    • A.

      يمكن أجهزة الكمبيوتر بمختلف برامج التشغيل من مشاركة البيانات

    • B.

      لا يمكن التحكم فيه بواسطة منظمة واحدة

    • C.

      تحتاج الى ترخيص لنشر المواد على الإنترنت

    Correct Answer
    C. تحتاج الى ترخيص لنشر المواد على الإنترنت
    Explanation
    The correct answer states that "You need a license to publish materials on the internet." This statement is incorrect because, in most cases, you do not need a license to publish materials on the internet. While there may be certain restrictions or regulations regarding copyrighted material, the general act of publishing content on the internet does not require a license.

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  • 4. 

    اى العبارات التالية صحيح حول الاتصال بالإنترنت؟

    • A.

      المودم بسرعة 14.4 كيلوبايت /ثانية أبطىء من المودم 56.6 كيلوبايت/ثانية

    • B.

      سرعة نقل البيانات لا تختلف بشكل كبير خلال فترات اليوم

    • C.

      يكون نقل البيانات أبطىء فى حالة الخطوط القيمية عنها فى حالة الخطوط التناظرية

    Correct Answer
    A. المودم بسرعة 14.4 كيلوبايت /ثانية أبطىء من المودم 56.6 كيلوبايت/ثانية
    Explanation
    The statement "المودم بسرعة 14.4 كيلوبايت /ثانية أبطىء من المودم 56.6 كيلوبايت/ثانية" is correct because it states that a modem with a speed of 14.4 kilobits/second is slower than a modem with a speed of 56.6 kilobits/second. This is true as the higher the speed of the modem, the faster the data transmission.

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  • 5. 

    ما هو معنى الحرف "E" فى كلمة E-mail ?

    • A.

      Electric

    • B.

      Express

    • C.

      Electronic

    Correct Answer
    C. Electronic
    Explanation
    The correct answer is "Electronic". The letter "E" in the word "E-mail" stands for "Electronic". E-mail is short for electronic mail, which refers to the exchange of digital messages over the internet.

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  • 6. 

    اى من الخطوط الرقمية التالية يستخدم فى كل من الصوت والبيانات؟

    • A.

      ISDN

    • B.

      FTP

    • C.

      HTTP

    • D.

      PSTN

    Correct Answer
    A. ISDN
    Explanation
    ISDN (Integrated Services Digital Network) is a digital telecommunications network that can transmit both voice and data signals simultaneously. It allows for the integration of various communication services, such as telephone, fax, and computer networks, over a single digital line. Therefore, ISDN is the correct answer as it is the only option that supports both voice and data transmission. FTP (File Transfer Protocol), HTTP (Hypertext Transfer Protocol), and PSTN (Public Switched Telephone Network) are not designed to handle both voice and data simultaneously.

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  • 7. 

    اى مما يلى يعتبر نوع من الشبكات التى تربط بين أجهزة الكمبيوتر فى منطقة واحدة؟

    • A.

      WAN

    • B.

      INTERNET

    • C.

      LAN

    • D.

      PSTN

    Correct Answer
    C. LAN
    Explanation
    LAN (Local Area Network) is a type of network that connects computers within a small geographical area, such as a home, office, or school. It allows for the sharing of resources, such as files, printers, and internet connections, among the connected devices. LANs are typically faster and more secure than wide area networks (WANs) or the internet, which makes them suitable for local communication and collaboration purposes.

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  • 8. 

    اصطلاح ADSL  معناه

    • A.

      ASYMMETRIC DIGITAL SUBSCRIBER LINE خط رقمى غير متماثل مشترك

    • B.

      ANONYMOUS DIGITAL SERVICE LINE خط خدمة رقمية عام

    • C.

      ADVANCED DATA SERVICE LINE خط خدمة بيانات متقدمة

    Correct Answer
    A. ASYMMETRIC DIGITAL SUBSCRIBER LINE خط رقمى غير متماثل مشترك
    Explanation
    ADSL stands for Asymmetric Digital Subscriber Line, which refers to a type of digital communication technology that allows high-speed data transmission over traditional telephone lines. The term "asymmetric" indicates that the download speed is typically faster than the upload speed. This technology is commonly used for internet access in residential and small business settings.

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  • 9. 

    الجهاز الذى يربط الكمبيوتربشبكة التليفونات بتحويل الإشارات الرقمية والتناظرية يسمى

    • A.

      Transcoder

    • B.

      Modem

    • C.

      Digitizer

    Correct Answer
    B. Modem
    Explanation
    A modem is a device that connects a computer to a telephone network by converting digital signals from the computer into analog signals that can be transmitted over telephone lines, and vice versa. It performs the function of translating the digital data from the computer into a format that can be transmitted over the analog telephone lines, and also converts the analog signals received from the telephone lines back into digital data that the computer can understand. Therefore, a modem is the correct answer in this case.

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  • 10. 

    أى من خطــوط الأتصاللات تكون سرعة Download مساوية لسرعة Upload

    • A.

      SDLS

    • B.

      Adsl

    • C.

      HDSL

    Correct Answer
    A. SDLS
  • 11. 

    لمعرفة بيانات أسم موقع دومين نستخدم خدمة

    Correct Answer
    who.is
    Explanation
    The given correct answer, "who.is," suggests that the service "who.is" is used to obtain information about the domain name of a website.

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  • 12. 

    لمعرفة IP Address  الخاص بجهازك نستخدم

    Correct Answer
    www.whatismyipaddress.com
    Explanation
    The website www.whatismyipaddress.com is used to determine the IP address of your device.

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  • 13. 

    أذكــر ثلاثة من محركات البحث Search engine

  • 14. 

    يتكون ال MAc Address من 4 مقاطــع

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is false. The MAC address consists of 6 sections, not 4. Each section is represented by a pair of hexadecimal digits, separated by colons or hyphens. The MAC address is a unique identifier assigned to network interfaces for communication on a network.

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  • 15. 

    Media Access communication Address  هــو أختصارMac Address   

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is false. Media Access Control (MAC) address is a unique identifier assigned to network interfaces for communications on the physical network segment. It is a hardware address that is assigned by the manufacturer and is used to uniquely identify devices on a network.

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  • 16. 

    هــو عنوان الأى بى IP الذي له مدة صلاحية طويلة Dynamic IP

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is false because the term "Dynamic IP" refers to an IP address that is assigned to a device temporarily and can change over time. It does not have a long expiration period. Therefore, the IP address mentioned in the question cannot be a Dynamic IP with a long validity period.

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  • 17. 

    ترجمة عناوين النطاقات إلى عناوين آي بي والعكس تتم باستشارة Dns خادم اسم النطاق

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Domain name translation to IP addresses and vice versa is indeed done by consulting a DNS (Domain Name System) server. DNS servers maintain a database of domain names and their corresponding IP addresses. When a user enters a domain name in their web browser, the DNS server is queried to retrieve the IP address associated with that domain name. This IP address is then used to establish a connection and retrieve the desired web page. Similarly, when translating an IP address to a domain name, the DNS server is consulted to retrieve the corresponding domain name.

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  • 18. 

    DHCP(Dynamic Host Configuration Protocol بواســطة Static IP  لأعطــاء 

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given answer is False. DHCP (Dynamic Host Configuration Protocol) is not used to assign static IP addresses. DHCP is a network protocol that is used to automatically assign IP addresses to devices on a network. It dynamically assigns IP addresses from a pool of available addresses. Static IP addresses, on the other hand, are manually configured and do not change.

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  • 19. 

    1. تم تقسيم ثورة تكنولوجيا المعلومات مرحلة التشغيـل الإلكترونى للمعلومـات,مرحلة نظـم المعلومات الإداريـةومـرحلة الإنتـرنت

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement suggests that the Information Technology revolution has been divided into three stages: electronic information processing, administrative information systems, and the internet. This implies that the revolution has progressed through these stages in chronological order. Therefore, the correct answer is true.

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  • 20. 

    تم تقسيم ثورة تكنولوجيا المعلومات الى مرحلتين فقط

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because the information technology revolution is typically divided into multiple stages or phases, not just two. This division allows for a better understanding of the evolution and progress of technology over time.

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  • 21. 

    تقوم حوائط المنع بحمايه الانترنت من محاولات الوصول غير المرخص من الخارج

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Firewall is a security measure that helps protect a network or computer system from unauthorized access from external sources. It acts as a barrier between the internal network and the outside world, filtering incoming and outgoing network traffic based on predetermined security rules. By doing so, it prevents unauthorized access attempts from reaching the internal network, thus ensuring the security of the internet. Therefore, the statement "حوائط المنع تقوم بحماية الانترنت من محاولات الوصول غير المرخص من الخارج" is true.

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  • 22. 

    تعتبر أصغر وحدة قياس لتمثيل البيانات فى الذاكرة

    • A.

      البت bit

    • B.

      البايت byte

    • C.

      الكيلو بايت kilo byte

    • D.

      الميجا بايت megabytes

    Correct Answer
    A. البت bit
    Explanation
    The correct answer is "البت bit". In computer memory, a bit is the smallest unit of data representation. It can have a value of either 0 or 1, representing the binary system used in computers. Other options like byte, kilobyte, and megabyte are larger units of data storage, with a byte being composed of 8 bits. Therefore, the bit is the smallest unit of measurement for data representation in memory.

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  • 23. 

       يقصد بالبيانات

    • A.

      Data

    • B.

      Knowledge

    • C.

      Information

    • D.

      كل ما سبق

    • E.

      لا شئ مما سبق

    Correct Answer
    A. Data
    Explanation
    The correct answer is "Data". The term "بيانات" refers to raw facts, figures, or statistics that are collected and stored. Data by itself does not have any meaning or context. It is the building block for knowledge and information. Data needs to be processed and analyzed to extract meaningful insights and create knowledge. Once data is organized, interpreted, and contextualized, it becomes information that can be used for decision-making and understanding. Therefore, data is the foundation upon which knowledge and information are built.

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  • 24. 

    إدخال بيانات غيرصحيحة يؤدى إلى اخطاء فى نتائج الأعمال بالحاسب يرجع ذلك إلى قصور فى الحاسب الآلى

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement suggests that entering incorrect data leads to errors in computer work, which is attributed to deficiencies in the computer itself. However, this statement is false. Entering incorrect data can indeed result in errors in computer work, but these errors are not caused by deficiencies in the computer. The errors are typically a result of human error or incorrect input, rather than a fault in the computer system.

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  • 25. 

    تعتبر المعلومات متغير تابع للبيانات

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    In Arabic, the statement "تعتبر المعلومات متغير تابع للبيانات" translates to "Information is considered a dependent variable of data." This statement implies that information is derived or dependent on data. Therefore, the correct answer is "True."

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  • 26. 

    سرعة المعالج هى أقصى عدد من العمليات التى يمكن للمعالج القيام بها فى الدقية الواحدة  وتقاس بوحدة قياس الميجا هرتز

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
  • 27. 

     أى الجمل التالية أكثر وصفا للإنترنت؟

    • A.

      هى الشبكة التى تستخدم بواسطة اكثر من مشروع

    • B.

      مجموعة من ملفات الكمبيوتر حول العالم مرتبطة معا بواسطة روابط

    • C.

      شبكة داخلية تستخدم البريد الإلكترونى والويب بداخل مشروع واحد

    Correct Answer
    B. مجموعة من ملفات الكمبيوتر حول العالم مرتبطة معا بواسطة روابط
    Explanation
    The correct answer describes the internet as a collection of computer files around the world connected together by links. This accurately reflects the nature of the internet as a global network of interconnected computers and files.

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  • 28. 

    أذكر خمس عناص من خدمات الأنترنت

  • 29. 

    لنفرض إننا نريد نقل صورة بحجم ل  Bits2520000 بمودم ينقل البيانات بسرعة 56 Kbps ..إذاً ستنقل الصورة بعد

    • A.

      45 ثانية

    • B.

      56 ثانية

    • C.

      56 دقيقة

    Correct Answer
    A. 45 ثانية
    Explanation
    The given question states that we want to transfer an image with a size of 2,520,000 bits using a modem that transfers data at a speed of 56 Kbps. To calculate the time it takes to transfer the image, we divide the size of the image by the speed of the modem.

    2,520,000 bits ÷ 56,000 bits per second = 45 seconds

    Therefore, it will take 45 seconds to transfer the image.

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  • 30. 

     (download) سرعتها تقل عن (upload) فى خطوط الأتصال ADSL

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The given correct answer is "True" because the statement "سرعتها تقل عن (upload) فى خطوط الأتصال ADSL" translates to "Its speed is lower than upload in ADSL connections." This statement implies that the download speed is slower than the upload speed in ADSL connections, which is true.

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  • Mar 18, 2024
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