Troubleshooting and the Future of Networking

21. A Cyclical Redundancy Check (CRC) is an example of what type of built-in protocol mechanism?

  • Error detection
  • Error recovery
  • Misconfiguration error
  • Time To Live (TTL) expiration


22. What does ICMP stand for?

  • Internet Control Mail Protocol
  • Internet Control Message Protocol
  • Internet Client Message Protocol
  • Interactive Control Message Protocol


23. The Linux and macOS program traceroute is known by a slightly different name on Windows. It's referred to as ______.

  • Ping
  • ipconfig
  • tracert
  • Tracepath


24. You run the Test-NetConnection command on a Windows PC while only providing a host name. As a result, what default action does the command use?

  • IMCP eEcho request
  • Network address translation
  • Name server lookup
  • Private tunnel


25. You need to find the Internet Protocol (IP) address for a website. Which command do you use on a Windows system?

  • Netcat
  • Ping
  • Pathping
  • Nslookup


26. One of Google's public DNS servers is The other one is ______.


27. What is the name of the provision of services based around hardware virtualization?

  • Domain Name System (DNS) service model
  • Cloud computing
  • Network Address Translation (NAT)
  • Subnetting


28. What is The IPv6 loopback address?

  • 0000:0000:0000:0000:0000:0000:0000:0000
  • 1000:0000:0000:0000:0000:0000:0000:0000
  • 0000:0000:0000:0000:0000:0000:0000:0001

29. Compress the following IP address: 9930:cafa:0000:0052:04cc:7b7a:0037:27e6.

  • 9930:cafa:0:52:4cc:7b7a:37:27e6
  • No changes, the address is already compressed.
  • 9930:cafa:0:052:4cc:7b7a:037:27e6
  • 930:cafa:00:052:04cc:7b7a:037:27e6


30. Which Internet Protocol (IP) v6 field is identical in purpose to the TTL field in an IPv4 header?

  • Traffic class
  • Flow label
  • Hop Limit
  • Next header


Shuffle Q/A 1

31. The first field of an Internet Control Message Protocol (ICMP) packet specifies the message type. Which choices represent message type examples? (Choose all that apply)

  • Destination unreachable
  • Time exceeded
  • Destination port unreachable
  • Destination network unreachable

32. Which two tools function similar to traceroute? (Choose all that apply)

  • Nslookup
  • netcat
  • Mtr
  • pathping

Devendra Kumar

Project Management Apprentice at Google

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