DCN PREVIEW YEAR QUESTION PAPER UTU 2017

DCN PREVIEW YEAR QUESTION PAPER UTU 2017

 

Q1.      Note : Attempt any five  Question

  1. Write the Need and Objectives of a data communication  Networks  ?
  2. Explain the working of Network Layer  ?
  3. Differentiate ISO_OSI Model with TCP/IP model of Communication ?
  4. Differentiate between hacker & Creakar ?
  5. what is proxy server & explain types of proxy server ?
  6. what is DNS server ?explain work of DNS Server ?

Q2.       Note : Attempt any Five Question

  1. What are the factors of Transmission Impairments ?
  2. Explain the Features of X.25 System ?
  3. Explain Sliding windows Protocol ?
  4. Define the term Protocol and Explain the usage of the Following Protocol :
  • UDP
  • HTTP
  • FTP
  • SMTP
  1. List the services Provided by Network Layers ?
  2. define what is VPN ? explain services of VPN

Q3. Note : Attempt any Three  question

  1. Explain the Various Topology used in Constructing Computer Network ?
  2. What Do you mean by Frequency Division Multiplexing and Time Division Multiplexing ?
  3. Describe Circuit Switching , and how is it Different from message Switching and Packet Switching ?
  4. Define types of Domain tool ? different types of Domain tool?

Q4.  Note : Attempt any Four Questions

  1. List the Features and Function of Router ?
  2. What is LAN ? Describe Satellite Communication ?
  3. What is Congestion ? How can we Control it?
  4. Differentiate Between Digital and analog Communication ?
  5. Describe the Structure of IP Addressing along with Types of Internet ?

Q5.Note : Attempt Any Five of Question

  1. What is Computer Network ? Explain Classification of Computer Network ?
  2. What is IP Address ? Explain Types of IP Address ?
  3. What is Network Addressing ? explain Network Routing ?
  4. What is Application Protocol ? Explain Types of Application Protocol ?
  5. Explain Color combinations of Networking ?
  6. What is Net mask value ? explain between Network ID and Host ID?

Q5. Note : Attempt any Four  Question

  1. Define & Explain Types of computer  Network Connection ?
  2. What is wireless Technology ? explain types of Wireless Network ?
  3. Explain Internet security ? and define Security services on  Internet ?
  4. Define Cryptography ? and Explain Cryptography Mechanizes ?
  5. Define Troubleshoot ? and explain types of Troubleshoot ?

 

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