Chapter 14

Which of the following are examples of multifactor authentication?

• Password and PIN

• Thumbprint reader and facial recognition

• Password and fingerprint reader

• A USB token and a Common Access Card

When logging into a system, you are prompted to type in a code from a small token that you carry around with you. The code on this token constantly changes. This is called an ​ (a)   or a ​ (b)   .

• OTP
• One Time Password
• Kerberos
• Finger
• CUPS

Which of the following can you use to configure firewall rules for IPv6 on a Linux system?

• ip6tables

• fw --ipv6 

• netfilter -6

• fw6

The option, __ for the iptables command will delete all rules for all chains?

If you suspect that you have bad blocks on a filesystem, which of the following commands can be used to try and repair the filesystem?

• chkdsk

• fsck

• chkfs

• blocks

You want to determine whether your Linux workstation was able to get assigned an IP address from the DHCP server once you connected it to the network. You can use the ___ command to view your IP address

Which of the following commands can be used to determine the round trip time that a packet takes to traverse a network connection?

• finger

• ping

• transit

• ethstat

Which of the following commands allows a standard user to execute a single command as root without actually switching to the root account?

• su

• sudoer

• sudo

• doas

True or False: You cannot disable the key combination CTRL+ALT+Delete? ​ (a)  

• False
• True
• I Don't Care

Match the following

• Gains root permissions for a singlec command.

• /etc/passwd

• Switch to a different user

• su

• View device messages

• sudo

• Location for user's account information and devault shell

• dmesg

• Location for user's account information and encrypted password

• /etc/shadow