Linux Test Review_obj 4.3-5-4

Match the following

• running processes, kernel configuration

• /dev

• commands the system is using and contains a /for most packages installed on system

• /usr/share/doc

• system configurations

• /etc

• log files

• /proc

• device files

• /var

What records kernel boot messages?

• kernel ring buffer

• /etc

• /usr

• /ext

What command prints the kernel ring buffer?

• dmesg

• var

• print

• /kernel

What processes were started by carol?

• top

• systemd

• sshd

• root

how many groups of 4 hexadecimal digits does IPv6 use?

• 8

• 4

• 2

• 6

What type of address is this?

• IPv6

• IPv4

Select the private IPv4 addresses

• 10.0.0.0/8

• 172.16.0.0/12

• 192.168.0.0/16

• none of these are

maps friendly rememberable domain

names such as example.com to IP addresses.

• DNS

• DHCP

Name the DNS record type used to serve the following requests:

• PTR

• reverse IP address lookup

• CNAME

• Mail Server

• MX

• A domain that has no address of its own and relies on another domain for this information

• TXT

• Textual data

Every user has a UID. On Linux the superuser account is root, which always has UID 0.

• True

• False