DCOM 142 FINAL Questions and Correct Answers/ Latest Update / Already Gradedt

1 | Page



DCOM 142 FINAL EXAM Questions and
Correct Answers/ Latest Update /
Already Graded
What represents the human-readable or computer name of a

system?


Ans: hostname




What layer of the OSI model enables physical connectivity (Media,

Signal and Binary Transmission)?


Ans: physical




How many bits is an IPv4 address?


Ans: 32




Commands like nmcli, nmtui and nmgui are used to configure a

system's network information.

,2 | Page

Ans: true




What address represents the physcial address of a system?


Ans: MAC




Command hostnamectl is used to configure a system's hostname.


Ans: true




What layer of the OSI model enables logical addressing (Path

Determination and IP)?


Ans: network




Which service provides a method of extending a private network by

tunneling through a public network.


Ans: VPN

, 3 | Page

What value indicates which part of the IP (Internet Protocol) address

is the network ID (identifier) and which part is the host ID?


Ans: subnet mask




Database service, MySQL and MariaDB, do not use relational tables.


Ans: false




The process of associating two network interfaces together so that

they are managed as a single device is called?


Ans: NIC bonding




What address represents the logical address of a system?


Ans: IP




What network port is the protocol SSH on?


Ans: 22