Quiz 11-12
To test DNS configuration by resolving a host name to an IP address, which command can you NOT use?
resolve hostname
You want to generate SSH keys for your user account and copy them to a remote computer to simplify future SSH authentication. What command can you use to perform these actions?
ssh-keygen
You have created a full backup and four incremental backups. In which order must you restore these backups?
0, 1, 2, 3, 4
� Which of the following commands can be used to search for packages that contain the word oobla on RPM software repositories?
yum search oobla
The line that configures the host name for the computer at boot time can be found in /etc/hostname. True or False?
TRUE
� Most source code is typically available on the Internet in tarball format or as a git repository. True or False?
TRUE
Which commands can be used to display TCP/IP connections on your Linux system? (Choose all that apply.)
mtr
SSH encrypts all traffic that passes across the network, whereas telnet does not. True or False?
True
Which of the following commands can be used to remove the test DPM package, including any test configuration files?
apt purge test
When compiling source code into a binary program, which command does the compiling using the GNU C Compiler?
make
Which of the following are stand-alone daemons?
Apache (httpd)
The Debian Package Manager (DPM) is the default package manager used by Fedora 28. True or False?
FALSE
The NetworkManager or Systemd-networkd components must be installed on a Linux system in order to configure an IP address on a network interface. True or False?
FALSE
The bzip2 and gzip utilities use similar compression algorithms. True or False?
FALSE
To install a new program from RPM software repositories on the Internet, you can use the dnf update programname command. True or False?
FALSE
Which option to the rpm command can be used to remove a package from the system?
e
The daemons associated with network services listen for network traffic associated with a particular _____.
Port
Which commands can be used to modify the route table on a Linux computer?
Route
The -9 option to the gzip utility results in a higher compression ratio. True or False?
TRUE
Which of the following can be used to provide graphical remote administration?
VNC
Which of the following commands extracts an archive?
cpio �vicdu �I /dev/fd0
Which command can be used to create an image backup of a partition?
dd
Before a computer can use a router, what configuration information must it be provided?
default gateway
Which of the following commands creates an archive?
tar �zcvf /dev/st0 *
The IP address of 127.0.0.1 is also referred to as the _____.
loopback address
A method to resolve a host name to the appropriate IP address?
DNS
When compiling source code into a binary program, which command performs a system check and creates the Makefile?
./configure
Which filename extension indicates a tarball?
.tar.xz
Files that have been compressed using the xz utility typically have the ______ extension.
.xz
Which file holds the methods to be used and the order in which they will be applied for host name resolution?
/etc/nsswitch.conf
Which file stores the IP addresses of the DNS servers used to resolve host names if no DNS servers are specified within the network configuration file for the network interface?
/etc/resolv.conf
Which file would you modify to permanently change the IP address of a network interface on a Fedora 28 system?
/etc/sysconfig/network-scripts/ifcfg-enp8s0
Which dump level indicates a full backup?
0
Which of the following port numbers is associated with SSH?
22
Standalone daemons are started on demand using xinetd. True or False?
FALSE
Which of the following utilities can NOT be used to check TCP/IP configuration and/or test network connectivity on a Linux machine?
IPConfig
Which of the following commands should be run following the installation of a shared library to update the /etc/ld.so.conf and /etc/ld.so.cache files?
Idconfig
Which Windows program is often used to connect to a Linux server via SSH?
Putty
�� Which of the following commands can be used to list the files contained within an installed RPM package?
rpm �ql packagename