Linux-1 Week 6

Correct command to view network-card (NIC) information

• ipconfig

• ifconfig

• ip a

• netstat

What can be done with the 'dig' command

• The dig command can be used to set network routes

• The dig command can be used for tracing packages

• The dig command shows network performance statistics

• The dig command will perform queries on the DNS server

• The dig command is a modern version of the 'ping' command

The 'host' command.....

• will return your hostname for your local machine

• works with DNS to associate a hostname with an IP address

• allows you to change the hostname for your local machine

• Will add a static route for a remote host

Correct syntax for a ssh command?

• ssh <user>@machinename

• ssh -f <user> machinename

• ssh -f machinename <user>

• ssh machinename@user

what is true about the RSA key fingerprint?

• It has a relation with the 'HOST' command

• It has a relation with the 'NETSTAT' command

• It has a relation with the 'ROUTE' command

• It has a relation with the 'SSH' command

How to execute commands as root

• use 'su'

• use 'sudo'

• use 'root'

• use 'admin'

What is true about the /etc/passwd file

• It defines some account information for user accounts

• It contains the (encrypted) passwords for all users

• Each line contains information about a single user

• It is hashed and not readable

• It defines the primary group membership for a user

Correct command to print user and group information

• whoami

• w

• who

• id

The 'who' command....

• lists users who are currently logged in

• will tell you where and when users logged in

• It will show previous login sessions

• It will display information for a specific account

The 'last' command...

• Reads the /var/log/wtmp file all login records

• Shows only current login information

• Shows previous login sessions as well as current login information

• Shows only previous login sessions