Computer Networks - Network Fundamentals


The topology with highest reliability is

A. bus topology
B. star topology
C. ring topology
D. mesh topology

Option: D

Explanation :


 Baud means the

A. number of bits transmitted per unit time
B. number of bytes transmitted per unit time
C. rate at which the signal changes
D. None of these

Option: C

Explanation :


 Which topology requires a central controller or hub ?










Option: B

Explanation :

Star topology and tree topology requires central controller or hub. Mesh, ring, bus topologies doesn't need hubs.


Which topology requires a multi point connection?

A. Mesh
B. Star
C. Bus
D. Ring

Option: C

Explanation :
Bus topology requires a multipoint connection. Because, in this there is a single communication channel, that is shared by all the systems in a net work. So bus topology require multipoint connection.


In which topology, if there are n devices in a network, each device has n-1 ports for cables ?

A. Mesh
B. Star
C. Bus
D. Ring

Option: A

Explanation :

Suggest an improvement


Syllabus covered in this section is-

  • ISO/OSI stack
  •  LAN technologies (Ethernet, Token ring)
  •  Flow and error control techniques
  •  Routing algorithms
  •  Congestion control
  •  TCP/UDP and sockets
  •  IP(v4)
  •  Application layer protocols (icmp, dns, smtp, pop, ftp, http)
  •  Basic concepts of hubs, switches, gateways  and router

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