1. Question: The checkdnsrr() and dns_get_record() functions check for the existence of DNS records.

    A
    True

    B
    False

    Note: Not available
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  2. Question: You have defined three variables $to, $subject, and $body to send an email. Which of the following methods would you use for sending an email?

    A
    mail($to,$subject,$body)

    B
    sendmail($to,$subject,$body)

    C
    mail(to,subject,body)

    D
    sendmail(to,subject,body)

    Note: Not available
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  3. Question: DNS stands for _____

    A
    Domain Name System

    B
    Domain Name Server

    C
    Domain Name Service

    D
    Domain Name Servers

    Note: Not available
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  4. Question: What does A mean in DNS records?

    A
    IPv4 Address Record

    B
    IPv6 Address Record. Responsible for the hostname-to-IPv6 address

    C
    IPv6 Address Record. Used to represent IPv6 addresses.

    D
    Looks for any type of record.

    Note: Not available
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  5. Question: What does CNAME stands for in DNS records.

    A
    Canonical name record.

    B
    Mail exchange record.

    C
    IPv6 address record.

    D
    Name server record.

    Note: Not available
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  6. Question: Which of the following associative keys for DNS records is not returns by dns_get_record() function?

    A
    host

    B
    localhost

    C
    class

    D
    ttl

    Note: Not available
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  7. Question: Which of the following function is used to retrieve service's port number in PHP?

    A
    getservbyname()

    B
    getservicename()

    C
    get_service_name()

    D
    none

    Note: Not available
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  8. Question: Which of the following is not an internet service?

    A
    HTTP

    B
    FTP

    C
    POP2

    D
    IMAP

    E
    SSH

    Note: Not available
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  9. Question: Which of the following PHP function is used to get port number's service name?

    A
    getservbyport()

    B
    get_service_name()

    C
    get_service_by_port()

    D
    none

    Note: Not available
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  10. Question: Which of the following PHP function is used to establish socket connection?

    A
    fsockopen()

    B
    sockconnect()

    C
    fsocketopen()

    D
    socket_connect()

    Note: Not available
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