PHP Networking Which one of the following function checks for the existence of DNS records? checkdnsr() checkdnsa() checkdnsrr() checkdns() checkdnsr() checkdnsa() checkdnsrr() checkdns() ANSWER DOWNLOAD EXAMIANS APP
PHP Networking Which of the following operations cannot be performed using the standard ftp:// stream wrapper?1. Reading a file2. Writing a file3. Establishing a stateful connection and changing directories interactively4. Creating a new directory Option 2 and 4 Option 3 and 4 Option 1 and 3 Option 1 and 4 Option 2 and 4 Option 3 and 4 Option 1 and 3 Option 1 and 4 ANSWER DOWNLOAD EXAMIANS APP
PHP Networking What will the following script do?echo getservbyname ('ftp', 'tcp'); The port associated with the TCP service called “FTP” A list of the FTP servers on the local network The address of the FTP server called “tcp” A list of the ports associated with all services except FTP The port associated with the TCP service called “FTP” A list of the FTP servers on the local network The address of the FTP server called “tcp” A list of the ports associated with all services except FTP ANSWER DOWNLOAD EXAMIANS APP
PHP Networking Which one of the following function returns the port number of a specified service? getservbyname() getservername() getserverbyname() getportname() getservbyname() getservername() getserverbyname() getportname() ANSWER DOWNLOAD EXAMIANS APP
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? dns_record() dns_get_record() dnsrr_get_record() dnsrr_record() dns_record() dns_get_record() dnsrr_get_record() dnsrr_record() ANSWER DOWNLOAD EXAMIANS APP
PHP Networking Which of the following are valid PHP stream transports?1. http2. STDIO3. ftp4. STDOUT5. stream Option 3 and 5 Option 4 and 5 Option 1 and 4 Option 2 and 5 Option 3 and 5 Option 4 and 5 Option 1 and 4 Option 2 and 5 ANSWER DOWNLOAD EXAMIANS APP
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