9 Printing And Software Defined Networking

Network and System Administration · Unit 9

Printing and Software Defined Networking

Exam-focused notes for Printing and Software Defined Networking (Network and System Administration, BIT451): what the TU syllabus asks and how it has actually been tested, with 5 solved past questions from this unit.

What this unit covers

  • CUPS printing system
  • CUPS configuration and setup
  • SDN controller concepts and benefits
  • SDN architecture and components
  • SDN controller and data plane communication

SDN controller concepts and benefits

20825 marks

Explain SDN controller. What are its benefits? [5]

An SDN (Software-Defined Networking) controller is a centralized management entity that controls the behavior of the network by managing the forwarding devices (switches and routers) in the network. It acts as an intermediary between the applications and th...

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20815 marks

Briefly explain about SDN controller. [5]

An SDN (Software-Defined Networking) controller is a centralized, logically centralized software application that manages and controls the behavior of the network by communicating with network devices (switches, routers) through southbound APIs. 1. Centrali...

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CUPS printing system

20825 marks

Write short notes on: (a) CUPS (b) SMTP [5]

CUPS is a modular printing system for Unix and Linux-based operating systems that allows computers to act as print servers. Key Features: - Architecture: Uses a client-server model where the CUPS daemon (cupsd) manages print jobs and printers - Protocol: Im...

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2082.15 marks

What is CUPS? Explain basic CUPS configuration. [1+4]

CUPS stands for Common Unix Printing System. It is a modular printing system for Unix-like operating systems (including Linux) that allows computers to act as print servers and clients. CUPS enables users to print to local and network printers using a stand...

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SDN controller and data plane communication

2082.15 marks

How do SDN controllers communicate with data planes? Explain SDN architecture with a diagram. [1+4]

SDN controllers communicate with data planes through the Southbound Interface using standardized protocols: - OpenFlow Protocol (most common): Controllers send flow rules and instructions to switches via OpenFlow messages - NETCONF/YANG: Configuration and m...

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