chapter 13 quiz questions
What zone configuration file contains a PTR record used to identify the loopback adapter?
/var/named/named.local
Where is the default document root directory for the Apache web server?
/var/www/html
In NTP, what stratum consists of atomic devices or GPS clocks?
0
What is the maximum number of characters that can be used in a NetBIOS name?
15
How can you specify the intended DNS server to query with the dig command?
@server
What kind of servers resolve fully qualified domain names to IP addresses for a certain namespace on the Internet?
DNS
Select the SQL statement below that can be used to delete a database:
DROP DATABASE
What directive below in Apache's httpd.conf file specifies that the index.html file in the document root directory will be sent to clients who request an HTML document?
DirectoryIndex index.html
When working with Sendmail, what command can be used to test SMTP support?
HELO
What DNS resource record type is used to provide the IP address for the e-mail server for a zone?
MX
The Apache daemon listens for HTTP requests on what port by default?
TCP 80
Which command below can be used at a BASH command prompt to obtain a web page?
curl
What command can be used to view and modify the date and time within the BIOS?
hwclock
What ftp command uploads the filename from the current directory on the local computer to the current directory on the remote computer, and allows the use of wildcard metacharacters to specify the filename.
mput filename
After modifying the /etc/aliases file, what command must be run in order to rebuild the aliases database?
newaliases
What command can be used to see what actual time servers are being used for synchronization?
ntpq
What PostgreSQL command-line utility backs up PostgreSQL database settings?
pg_dump
In order to change the time zone of a system after installation, what command must be used?
tzselect
What FTP command runs a shell on the local computer?
!
What port is used by the Network Time Protocol (NTP) for communication?
UDP 123
