PHP Networking, PHP

PHP Networking

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

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?

Question: DNS stands for _____

Question: What does A mean in DNS records?

Question: What does CNAME stands for in DNS records.

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

Question: Which of the following function is used to retrieve service's port number in PHP?

Question: Which of the following is not an internet service?

Question: Which of the following PHP function is used to get port number's service name?

Question: Which of the following PHP function is used to establish socket connection?