Networking Services

27. A company moves a popular website to a new web host. Which of the following will change as a result?

  • Root name server
  • Internet Protocol (IP)
  • Network service
  • Domain name


28. How many root name servers are there?

  • 100
  • 13
  • 24
  • 5

29. How many root name servers are there?

  • 5
  • 13
  • 24
  • 100

30. What is the purpose of DNS round robin technique?

  • To route traffic to different destinations, depending on factors like location, congestion, or link health
  • To balance traffic
  • To resolve an IP to a domain name
  • To redirect traffic from one domain name to another


31. A complete Fully Qualified Domain Name (FQDN) is limited to how many characters?

  • 127
  • 255
  • 53
  • 63


32. Along with an IP address, a subnet mask, and a name server, which of the following is the other thing required for a computer to operate on a network?

  • A gateway
  • A proxy
  • A NTP server
  • A FQDN


33. Fill in the blank: When NAT hides the source IP of an originating device, this is known as _____.

  • Port Forwarding
  • Routing
  • Masquerading
  • Switching


34. What NAT technique allows for complete IP masquerading, while still having services that can respond to incoming traffic?

  • Preservation
  • Rewriting
  • Port forwarding
  • One-to-many


35. VPNs often use an authentication procedure that requires a user to generate a short lived numerical token through a specialized piece of hardware or software, in addition to providing a username and password. What is this authentication procedure called?

  • Biometric authentication
  • Two-factor authentication
  • Certificate-based authentication
  • Password-based authentication


36. Fill in the blank: A service that appears to external clients as a single server, but actually represents many servers behind it, is known as a _____.

  • port preservation
  • reverse proxy
  • VPN
  • multiplexer


Shuffle Q/A 1

37. Which type of Domain Name System (DNS) server performs a full name resolution request?

  • Caching name server
  • Authoritative name server
  • Recursive name server
  • Root name server

38. Which of these protocols is used by DNS?

  • Hypertext Transfer Protocol (HTTP)
  • IP (Internet Protocol)
  • Dynamic Host Configuration Protocol (DHCP)
  • User Datagram Protocol (UDP)

Devendra Kumar

Project Management Apprentice at Google

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