Which of the following are valid PHP stream transports?
1. http
2. STDIO
3. ftp
4. STDOUT
5. stream
A. Option 3 and 5
B. Option 1 and 4
C. Option 4 and 5
D. Option 2 and 5
Answer: Option D
This Question Belongs to PHP >> PHP Networking
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Which one of the following function checks for the existence of DNS records?
A. checkdns()
B. checkdnsr()
C. checkdnsrr()
D. checkdnsa()
A. dns_get_record()
B. dns_record()
C. dnsrr_get_record()
D. dnsrr_record()
A. getmx()
B. retrieve_mx()
C. getmxrr()
D. retrieve_mxrr()
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