IST 190 EXAM 4 QUESTIONS AND ANSWERS
The _________ command transfers files from a remote host to the local system or from
the local system to a remote host. (Spelling and case count) - Answers - scp
Enter the yum command to list installed and available groups. (Spelling and case count)
- Answers - yum list
Match the purpose, prodocols, or defintion on the left for each layer of the TCP/IP four-
layer model with the correct name on the right:
Question
Common protocols include SSH (remote login), HTTPS (secure web), NFS or CIFS (file
sharing), and SMTP (electronic mail delivery).
Protocols include TCP and UDP.
Carries data from the source host to the destination host.
Provides the connection to physical media. - Answers - Application
Transport
Internet
Link
Archiving and compressing files are useful when creating backups and transferring data
across a network. One of the oldest and most common commands for creating and
working with backup archives is the _____________________ command.(Spelling and
case count) - Answers - tar
_______________ is a daemon that monitors and manages network settings. (Spelling
and case count) - Answers - NetworkManager
Each host has a __________________, which tells it how to route traffic for particular
networks. The ___________________ entries will list a destination network, which
interface to send the traffic out, and the IP address of any intermediate router that is
required to relay the message to its final destination. (Same answer in both blanks) -
Answers - Routing table
, The __________________ command searches numerous repositories for packages
and their dependencies so they may be installed together in an effort to alleviate
dependency issues. (Spelling counts) - Answers - yum
The highest possible address on a subnet (host part is all ones in binary) is used for
broadcast messages in IPv4, and is called the ______________.. - Answers - broadcast
address
What is the new command to lookup the IP configuration on a RHEL7 server for eth0? -
Answers -
The ______________ command shows an overview of the current time-related system
settings, including current time, time zone, and NTP synchronization settings of the
system. - Answers - timedatectl
What is the absolute name of the file to configure the NTP server in RHEL7? (Spelling
and case count) - Answers - /etc/chrony.conf
How long are log files saved on a RHEL7 server by default? - Answers - four weeks
Match the log file on the left with the purpose of the log on the right:
Question
/var/log/messages
/var/log/secure
/var/log/maillog
/var/log/cron
/var/log/boot.log - Answers - Most syslog messages are logged here.
The log file for security and authentication-related messages and errors.
The log file with mail server-related messages
The log file related to periodically executed tasks
Messages related to system startup are logged here.
What is the command on a CentOS7 server to see the verbose output of the NTP
server time sources? - Answers - chronyc sources
Enter the yum command to install a package group. (Spelling and case count) -
Answers - yum groupinstall "groupname"
The _________ command transfers files from a remote host to the local system or from
the local system to a remote host. (Spelling and case count) - Answers - scp
Enter the yum command to list installed and available groups. (Spelling and case count)
- Answers - yum list
Match the purpose, prodocols, or defintion on the left for each layer of the TCP/IP four-
layer model with the correct name on the right:
Question
Common protocols include SSH (remote login), HTTPS (secure web), NFS or CIFS (file
sharing), and SMTP (electronic mail delivery).
Protocols include TCP and UDP.
Carries data from the source host to the destination host.
Provides the connection to physical media. - Answers - Application
Transport
Internet
Link
Archiving and compressing files are useful when creating backups and transferring data
across a network. One of the oldest and most common commands for creating and
working with backup archives is the _____________________ command.(Spelling and
case count) - Answers - tar
_______________ is a daemon that monitors and manages network settings. (Spelling
and case count) - Answers - NetworkManager
Each host has a __________________, which tells it how to route traffic for particular
networks. The ___________________ entries will list a destination network, which
interface to send the traffic out, and the IP address of any intermediate router that is
required to relay the message to its final destination. (Same answer in both blanks) -
Answers - Routing table
, The __________________ command searches numerous repositories for packages
and their dependencies so they may be installed together in an effort to alleviate
dependency issues. (Spelling counts) - Answers - yum
The highest possible address on a subnet (host part is all ones in binary) is used for
broadcast messages in IPv4, and is called the ______________.. - Answers - broadcast
address
What is the new command to lookup the IP configuration on a RHEL7 server for eth0? -
Answers -
The ______________ command shows an overview of the current time-related system
settings, including current time, time zone, and NTP synchronization settings of the
system. - Answers - timedatectl
What is the absolute name of the file to configure the NTP server in RHEL7? (Spelling
and case count) - Answers - /etc/chrony.conf
How long are log files saved on a RHEL7 server by default? - Answers - four weeks
Match the log file on the left with the purpose of the log on the right:
Question
/var/log/messages
/var/log/secure
/var/log/maillog
/var/log/cron
/var/log/boot.log - Answers - Most syslog messages are logged here.
The log file for security and authentication-related messages and errors.
The log file with mail server-related messages
The log file related to periodically executed tasks
Messages related to system startup are logged here.
What is the command on a CentOS7 server to see the verbose output of the NTP
server time sources? - Answers - chronyc sources
Enter the yum command to install a package group. (Spelling and case count) -
Answers - yum groupinstall "groupname"
