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This set of Computer Networking CN Multiple Choice Questions & Answers (MCQs) focuses on Computer Networking Set 2

Q1 | The design adopted for connecting several hosts on a network is called .
  • telephony
  • wiring
  • connection
  • topology
Q2 | When 2 devices are connected through a dedicated line, it is topology.
  • point to point
  • bus
  • star
  • ring
Q3 | When all nodes are connected to a central hub, it is topology.
  • point to point
  • bus
  • star
  • ring
Q4 | Usually, the network connecting hosts inside a single building is called .
  • lan
  • wan
  • man
  • none of them
Q5 | Usually, the network connecting hosts located in several cities or nations is called .
  • lan
  • wan
  • man
  • none of them
Q6 | When network hosts are connected without wires, protocol is used.
  • lan
  • wan
  • man
  • wlan
Q7 | MODEM is a device used for converting .
  • digital signal to analog
  • analog signal to digital
  • both a & b
  • neither a nor b
Q8 | MODEM is used to convey data over .
  • air
  • telephone line
  • train track
  • bus route
Q9 | Hub is to switch/ bridge since it repeats data even to the unwanted connections.
  • inferior
  • superior
  • equivalent
  • none of them
Q10 | Switch is to a hub since unwanted repetitions are curtailed.
  • inferior
  • superior
  • equivalent
  • none of them
Q11 | The device which connects one Local Area Network to another Local Area Network is called
  • hub
  • switch
  • modem
  • bridge
Q12 | A cable with single copper core and braided metal shield is called .
  • unshielded twisted cable
  • shielded twisted cable
  • coaxial cable
  • fibre optic cable
Q13 | Fibre optic cables are interferences from electric cables and electromagnetic waves.
  • prone to
  • unaffected by
  • susceptible to
  • affected by
Q14 | Wireless networks communicate using signal instead of cables.
  • infrared
  • low frequency radio wave
  • wireless fidelity (wifi - ieee 802.11 standard)
  • all of them
Q15 | In the modern days, is the best choice for wireless networking.
  • wifi
  • infrared
  • radio waves
  • micro-wave
Q16 | Wireless networks are wired networks.
  • slower than
  • faster than
  • as fast as
  • none of them
Q17 | In terms of data safety, wireless networks are wired networks.
  • more secure than
  • less secure than
  • as safe as
  • none of them
Q18 | Normally, WiFi signal reach m distance.
  • 50 to 100m
  • 1 to 2m
  • 0.5 to 1.0m
  • 2 to 3m
Q19 | WiFi networks have for connecting.
  • name
  • password
  • both a & b
  • none of them
Q20 | Name of a WiFi network may be .
  • visible
  • invisible
  • both a & b
  • none of them
Q21 | Open WiFi networks have .
  • a visible name
  • no password
  • visible name without any password
  • none of them
Q22 | The network established using Bluetooth technology is called a .
  • local area network (lan)
  • wide area network (wan)
  • metropolitan area network (man)
  • personal area network (pan)
Q23 | Bluetooth permits .
  • pairing by acceptance
  • pairing by password authentication
  • pairing by verification
  • all of them
Q24 | UDP stands for .
  • unified datagram protocol
  • user datagram protocol
  • user datagram procedure
  • user digital protocol
Q25 | allows for mapping IP address to an ethernet or hardware address.
  • address resolution protocol (arp)
  • reverse address resolution protocol (rarp)
  • open system interconnection (osi)
  • none of them