Linux Training in Chandigarh (1) - PowerPoint PPT Presentation

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Linux Training in Chandigarh (1)

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CBitss Technologies is oen of the best and optimum institute in Chandigarh. It provide best technical knowledge in It and Management Courses in Chandigarh – PowerPoint PPT presentation

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Title: Linux Training in Chandigarh (1)


1
Linux Training in Chandigarh
2
DNS SERVER IN LINUX
  • A DNS server is a computer server that contains a
    database of public IP addresses and their
    associated hostnames, and in most cases, serves
    to resolve, or translate, those common names to
    IP addresses as requested.

3
Why is DNS important?
  • DNS is like a phone book for the Internet. If you
    know a persons name but dont know their
    telephone number, you can simply look it up in a
    phone book. DNS provides this same service to the
    Internet.

4
How does DNS work?
  • Step 1 Request information
  • Step 2 Ask the recursive DNS servers
  • Step 3 Ask the root nameservers
  • Step 4 Ask the TLD nameservers
  • Step 5 Ask the authoritative DNS servers
  • Step 6 Retrieve the record
  • Step 7 Receive the answer

5
OFFICE SCO 23-24-25, LEVEL-3,
near passport office,
Sector 34A, Chandigarh PHONE
9988741983, 9914641983 Visit
http//cbitss.in/linux-training-in-chandigarh/
6
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