Repeated PSC Questions on Network Topology

Repeated Questions on Network Topologies

This post is a compilation of frequently asked PSC questions on the Computer-based topic, 'Computer Networks Topologies,' from previous year question papers.

Previous Year Repeated PSC Questions on  Computer Network Topologies

  • The term topology used in computer relates to – structure of networking. (Catalogue Assistant, 2017)
  • The way in which the nodes are physically interconnected to form a network is called – Topology. (Tradesman (Computer Engineering), 2016) 
    • In computer networks, the term used to explain how a network is physically connected and the logical flow of information in the network – Topology. (Lecturer in Printing Technology, 2023)
  • The geometric arrangement of nodes and cables in a network is called – Network Topology. (Computer Operator, Information and Public Relations, 2016)
  • Which of the following ISO-OSI layer which defines Topology in computer network? (Junior Instructor (Computer Hardware & Network Maintenance), 2023)
    • (A) Physical Layer   (B) Data Link Layer   (C) Transport Layer    (D) Network Layer 
  • താഴെ കൊടുത്തിരിക്കുന്ന ഓപ്ഷനുകളിൽ നിന്ന് ഇന്റർനെറ്റിലെ സേവനങ്ങൾ അല്ലാത്തത് തിരഞ്ഞെടുക്കുക  (10th Level Main Exam (Office Attendant, Laboratory Attender, etc) 2021
    • (A) ഇമെയിൽ   (B) ഡബ്ല്യു. ഡബ്ല്യു. ഡബ്ല്യു.  (C) ടോപ്പോളജി    (D) സെർച്ച് എഞ്ചിനുകൾ


  • Topology used in Ethernet LAN is – Bus Topology. (Assistant Pharmacist, 2015)
  • Which of the following network topology uses less cabling?  (Tradesman Information Technology, 2023)
    • (A) Ring Topology  
    • (B) Star Topology  
    • (C) Bus Topology   
    • (D) Mesh Topology


  • Topology in which a central computer is surrounded by one or more computers is called – Ring Topology. (Junior Instructor (Network Technician), 2015)
  • In ______ topology, whole network goes down, if a computer's network cable is broken – Ring.  (Computer Programmer, 2015)


  • The topology with the highest reliability – Mesh. (Laboratory Technical Assistant Computer Application, 2017;  Junior Instructor (Network Technician), 2015)
  • The network topology that supports bidirectional links between each possible node is – Mesh. (Lecturer in Computer Science, 2015)
  • How many number of duplex mode links are possible in a mesh topology? {n(n-1)}/2.  (Head of Section Computer Engineering, 2019)
  • How many duplex links are there in a mesh topology network with four devices? Six. (Junior Systems Officer, 2024) 
  • Which one of the following is a Topology in computer network?  (Junior Instructor (Computer Hardware & Network Maintenance), 2023, Tradesman Information Technology, 2023)
    • (A) Hub   (B) Switch  (C) Mesh   (D) Router


  • Topology in which a central computer surrounded by one or more computers is called – Star. (Junior Instructor (Network Technician), 2015)
  • The ——————— network topology requires a central controller or hub – Star. (Junior Instructor (Secretarial Practice English), 2023)
    • In which topology there is a central controller? Star(Jr Instructor Computer Operator and Programming Assistant, 2019)
    • In which network topology has a central node connected to each node? Star(Instrument Mechanic, 2023)
    • The network topology in which devices are not linked to each other and where hub acts as a central controller is  Star. (Degree Level Mains Stage II, 2021)
  • Which topology has a dedicated point to point link only to a central hub? Star. (Tradesman (Information Technology), 2024)
  • In which topology, the network goes down if the central system crashes – Star. (Tradesman (Computer Engineering), 2014)
    • If a hub fails in this type of network, the whole system will shut down – Star. (Junior Instructor (Software Testing Assistant), 2019)
  • For large networks, ______ topology is used – Star.  (Computer Programmer, 2015)


  • Which network topology can be expanded easily? Hybrid. (Junior Instructor Computer Operator and Programming Assistant, 2019)

Thanks for reading!!!