IT Officer Questions | Basic Computer Knowledge

1.

Ethernet use which Topology?

   A.) Bus
   B.) Star
   C.) Ring
   D.) Both (a) and (b)

Answer: Option 'D'

Both (a) and (b)

2.

Which type of network consists set of switches connected by physical links?

   A.) Circuit Switched Network
   B.) Datagram Network
   C.) Virtual Circuit Network
   D.) All of these

Answer: Option 'A'

​Circuit Switched Network

3.

Which one is the most important feature of spiral model?

   A.) Quality management
   B.) Risk management
   C.) Performance management
   D.) Efficiency management

Answer: Option 'B'

​Risk management

4.

An administrator attempts a traceroute but receives a “Destination Unreachable” message. Which protocol is responsible for that message?

   A.) RARP
   B.) RUDP
   C.) ICMP
   D.) SNMP

Answer: Option 'C'

​ICMP

5.

By which of the following statements, we can undo all the updates performed on the transaction?

   A.) Undo
   B.) Commit
   C.) Rollback
   D.) Replace

Answer: Option 'C'

​Rollback

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