Internet and Networking MCQs – Page 2

Solved Internet and Networking MCQs: IP addresses, DNS, protocols, network types and topologies, email and common abbreviations, with explanations.

1. 21

   ISP stands for:

   AInternal Security ProtocolBInternet Server ProgramCInternet Service ProviderDIntegrated System Provider

   Correct answer: C. Internet Service Provider

   An Internet Service Provider is a company that provides internet access to customers, for example through DSL, fibre or mobile data.

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2. 22

   The country-code top-level domain for Pakistan is:

   A.psB.pakC.paD.pk

   Correct answer: D. .pk

   .pk is Pakistan's country-code domain, used for example by government sites ending in .gov.pk. .pa belongs to Panama.

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3. 23

   The network that is regarded as the forerunner of the Internet was:

   ANSFNETBUsenetCEthernetDARPANET

   Correct answer: D. ARPANET

   ARPANET, funded by the US Department of Defense, sent its first message in 1969.

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4. 24

   A firewall is used to:

   AMonitor and control incoming and outgoing network trafficBStore backupsCSpeed up the internet connectionDCool the processor

   Correct answer: A. Monitor and control incoming and outgoing network traffic

   A firewall allows or blocks traffic according to security rules, helping to keep unauthorized access out.

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5. 25

   Data transfer speed (bandwidth) of a network connection is usually measured in:

   APixels per inchBHertzCBytes per minuteDBits per second

   Correct answer: D. Bits per second

   Connection speeds are given in bits per second, for example Mbps (megabits per second).

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