network terms

Question 1

IP address

Answer 1

a unique number that identifies a device on the internet or local network.

Question 2

TCP/IP

Answer 2

allows 2 devices to communicate with each other by guaranteeing that all data is received and sent in order.

Question 3

active directory

Answer 3

the central store of all domain objects like users, computers, and groups.

Question 4

domain

Answer 4

a group of networked computers that share a common set of rules and procedures.

Question 5

VLAN

Answer 5

groups computers that aren’t physically in the same location to separate traffic.

Question 6

LAN

Answer 6

connects computers and devices within a limited area.

Question 7

WAP

Answer 7

relays data between a wired network and wireless network.

Question 8

WAN

Answer 8

allows LANs from different locations to communicate with each other.

Question 9

PAN

Answer 9

connects devices like computers, smartphones, tablets, printers, and other personal devices within the immediate vicinity of an individual (bluetooth).

Question 10

DHCP server

Answer 10

automatically assigns IP addresses to devices on a network.

Question 11

DNS server

Answer 11

converts domain names like example.com into IP addresses.

Question 12

NAT

Answer 12

translates private IP addresses into public IP addresses and vice versa.

Question 13

MAC address

Answer 13

a unique number assigned to a device that cannot be changed.

Question 14

subnet mask

Answer 14

separates the network portion and the host portion of an IP address.

Question 15

gateway address

Answer 15

a device (usually a router) that connects two devices on different networks.

Question 16

dynamic addressing

Answer 16

when an IP address is automatically assigned by a DHCP server.

Question 17

static addressing

Answer 17

an IP address manually assigned by an admin.

Question 18

loopback address

Answer 18

a special IP address for each computer that is reserved and is used for testing. It’s like a self-addressed envelope that the computer uses to communicate with itself.

Question 19

VPN

Answer 19

creates a virtual network from a private network to a public network by creating a “tunnel” between your computer and a VPN device at your office.

Question 20

APIPA

Answer 20

allows devices on a network to automatically assign themselves an IP address when a DHCP server is not available or unreachable.