PHP Networking
Which one of the following function is used to return an array consisting of various DNS resource records pertinent to a specific domain?

dnsrr_record()
dns_get_record()
dns_record()
dnsrr_get_record()

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PHP Networking
What will the following script do?
echo getservbyname ('ftp', 'tcp');

A list of the FTP servers on the local network
The address of the FTP server called “tcp”
The port associated with the TCP service called “FTP”
A list of the ports associated with all services except FTP

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