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5 questions
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  • Q1
    What is the purpose of the DNS system?
    To store website data
    To secure network communications
    To translate human-readable domain names into IP addresses
    30s
    TLE_IACSS9- 12AQS-Ib-2
  • Q2
    What is the function of the root DNS server?
    To translate domain names into IP addresses
    To store information about top-level domain names (TLDs) on the internet
    To store information about all domain names and IP addresses on the internet
    30s
    TLE_IACSS9- 12AQS-Ib-2
  • Q3
    What is the difference between authoritative and recursive DNS servers?
    Recursive servers store DNS records, while authoritative servers resolve queries on behalf of clients
    Authoritative servers store DNS records, while recursive servers resolve queries on behalf of clients
    There is no difference between authoritative and recursive DNS servers
    30s
    TLE_IACSS9- 12AQS-Ib-2
  • Q4
    What is DNS resolution?
    The process of mapping domain names to IP addresses
    The process of securing network communications
    The process of storing website data
    30s
    TLE_IACSS9- 12AQS-Ib-2
  • Q5
    What is the purpose of a caching DNS server?
    To resolve queries on behalf of clients
    To store all DNS records on the internet
    To store DNS records for a limited time to reduce network traffic
    30s
    TLE_IACSS9- 12AQS-Ib-2

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