PHP Networking What will the following script do?echo getservbyname ('ftp', 'tcp'); 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 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 A list of the FTP servers on the local network ANSWER DOWNLOAD EXAMIANS APP
PHP Networking Which one of the following statements can be used to establish port 80 connection with www.examians.com? fsockopen(80,”www.examians.com”); sockopen(“www.examians.com”, 80); fsockopen(“www.examians.com”, 80); sockopen(80,”www.examians.com”); fsockopen(80,”www.examians.com”); sockopen(“www.examians.com”, 80); fsockopen(“www.examians.com”, 80); sockopen(80,”www.examians.com”); 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 3 and 4 Option 2 and 4 Option 1 and 4 Option 1 and 3 Option 3 and 4 Option 2 and 4 Option 1 and 4 Option 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
PHP Networking What is the default port number of HTTP’s? 80 70 100 90 80 70 100 90 ANSWER DOWNLOAD EXAMIANS APP
PHP Networking Which one of the following function checks for the existence of DNS records? checkdns() checkdnsrr() checkdnsr() checkdnsa() checkdns() checkdnsrr() checkdnsr() checkdnsa() ANSWER DOWNLOAD EXAMIANS APP
PHP Networking The FTP functions are used to ....... files from file servers. Upload Open All of above Close Download Upload Open All of above Close Download ANSWER DOWNLOAD EXAMIANS APP
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