Common System Apps and Configurations

Question 1

An open source web server that provides content through the hypertext transfer protocol

Answer 1

Apache HTTP Server httpd secure variant is HTTPS

Question 2

An open source mail server originally from IBM that uses Simple Mail Transfer Protocol SMTP to route and deliver mail

Answer 2

Postflix

Question 3

Used to synchronize the system click on a linux system with a centralized NTP server.

Answer 3

NTP Network Time PRotocol

Question 4

more versatile version of ntpp used to synchronize the system clock on a linux system can also function as a server and peer to provide time synchronization to computers on a network

Answer 4

chrony

Question 5

Document root for http server

Answer 5

/var/www/html

Question 6

What ports are http server on

Answer 6

80 and 443

Question 7

Which of the following are possible names for the default Postfix log file?

Answer 7

mail.log and maillog

Question 8

What ports used for postflix

Answer 8

25, 465, 587

Question 9

What ports used for NTP

Answer 9

123/udp