Networking terms

Question 1

ARP

Answer 1

address resolution control protocal

Question 2

frame

Answer 2

The data link layer prepares a packet for transport across the local media by encapsulating it with a header and a trailer to create a frame

Question 3

dns

Answer 3

Most applications use DNS (Domain Name System) to determine the IP address when given a domain name

Question 4

multicast

Answer 4

a form of transmission in which a message is delivered to a group of hosts

Question 5

NETSTAT

Answer 5

the command netstat to list the protocols in use, the local address and port numbers, the foreign address and port numbers, and the connection state

Question 6

broadcast

Answer 6

a form of transmission in which a message is delivered to all hosts on a network

Question 7

LAN

Answer 7

Local Area Network (LAN) - A network infrastructure that provides access to users and end devices in a small geographical area, which is typically an enterprise, home, or small business network owned and managed by an individual or IT department

Question 8

circuit switched

Answer 8

A circuit-switched network is one that establishes a dedicated circuit between the source and destination before the users may communicate

Question 9

WAN

Answer 9

Wide Area Network (WAN) - A network infrastructure that provides access to other networks over a wide geographical area, which is typically owned and managed by a telecommunications service provider

Question 10

default gateway

Answer 10

The default gateway address is the IP address of the router that the host will use to access remote networks, including the Internet

Question 11

tcp

Answer 11

transmission control protocol

Question 12

ping

Answer 12

a utility that sends a series of echo requests from one IP host to another IP host and that processes the echo reply messages to test connectivity between the devices

Question 13

Router

Answer 13

A router is a networking device that forwards data packets between computer network

Question 14

switch

Answer 14

A network switch is a small hardware device that joins multiple computers together within one local area network

Question 15

client

Answer 15

Clients are computers with software installed that enable them to request and display the information obtained from the serveR

Question 16

Qos

Answer 16

quality of service - a mechanism to manage the flow of traffic based on different requirements to ensure reliable delivery of each type of traffic

Question 17

traceroute

Answer 17

a utility that generates details about the route traveled by data sent between two devices

Question 18

DSL

Answer 18

Digital subscriber line - technology that provides the user with a high-bandwidth connection to the Internet over a telephone line

Question 19

WLAN

Answer 19

Wireless LAN (WLAN) - Similar to a LAN but wirelessly interconnects users and end points in a small geographical area.

Question 20

hub

Answer 20

A Hub connects multiple Ethernet devices together

Question 21

DHCP

Answer 21

dynamic host control protocol - a service that is used in networks to automatically configure IP addresses on devices

Question 22

VPN

Answer 22

Virtual private networks (VPN) – These are used to provide secure access to remote workers

Question 23

UDP

Answer 23

user data protocol

Question 24

packet switched

Answer 24

One way reliable networks provide redundancy is by implementing a packet-switched network. Packet switching splits traffic into packets that are routed over a shared network

Question 25

unicast

Answer 25

a form of message delivery in which a message is delivered to a single destination

Question 26

NAT

Answer 26

Network Address Translation - provides a way for multiple devices to share a single public IPv4 address

Question 27

server

Answer 27

Servers are computers with software that enable them to provide information, like email or web pages, to other end devices on the network