Google IT Support Professional:The Bits and Bytes of Computer Networking (Week 6) Troubleshooting and the Future of Networking.

Digging into DNS
 Don't just copy for the sake of completion. 
Make sure you understand first.

★Digging into DNS★

Q1.One of Level 3's public DNS servers is ____________.

  1. 4.2.2.3
  2. 8.8.8.8
  3. 127.0.0.1
  4. 192.168.1.1
Level 3's public DNS servers are 4.2.2.1 through 4.2.2.6

Q2.A DNS resolver tool available on all major desktop operating systems is __________.

  1. host
  2. tracert
  3. ping
  4. nslookup
nslookup is available by default on Windows, macOS, and Linux.

Q3.The organization responsible for DNS at a global level is ________.

  1. Google
  2. RFC
  3. ICANN
  4. IANA
ICANN is responsible for DNS at a global level

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           Machine Learning Coursera-All weeks solutions [Assignment + Quiz] click here
       &
                         Coursera Google Data Analytics Professional Quiz Answers   click here
    &
                       Coursera Google IT Support Professional   click here

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Thanks & Regards,
- Wolf

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