1. Exploring the Functions of Networking

Question 1

Define Internet

Answer 1

A global network that interconnects many networks

Question 2

What is the World Wide Web

Answer 2

A service that relies on connections provided by the internet for its function.

Question 3

Define LAN

Answer 3

Local Area Network

Question 4

Define WAN

Answer 4

Wide Area Network

Question 5

Define SOHO

Answer 5

Small Office, Home Office

Question 6

Define WLC

Answer 6

Wireless LAN Controllers

Question 7

What does a WLC do?

Answer 7

Centralizes the management of wireless deployments.

Question 8

What are Endpoints?

Answer 8

End-User devices such as PCs Laptops, Tablets, etc.

Question 9

What are Intermediary Devices?

Answer 9

Devices that interconnect Endpoints or interconnect networks. i.e. switches, routers, APs, firewalls, etc.

Question 10

Define APs

Answer 10

Access Points. They allow wireless devices to connect to a wired network.

Question 11

Define IPS

Answer 11

Intrusion Protection System - A system that performs a deep analysis of network traffic while searching for signs of suspicious or malicious behavior.

Question 12

Define WLAN

Answer 12

Wireless Local Area Network.

Question 13

General term for the physical elements that connect network devices.

Answer 13

Media

Question 14

Term for the arrangement of a network’s elements

Answer 14

Topology

Question 15

A measurement of the data rate of a given link in the network. Measured in bits per second. (Two Terms)

Answer 15

Bitrate and/or Bandwidth

Question 16

Term for how much time a network is accessible and operational

Answer 16

Availability

Question 17

Term for the ability of a network to operate without failures for a specified time period

Answer 17

Reliability

Question 18

Formula for the Availability of a Network

Answer 18

Availability = uptime / (uptime + downtime)

[Expressed as a Percentage]

Question 19

Formula for the Reliability of a Network

Answer 19

Reliability = time in service / number of failures

[Expressed in a unit of time like 55 minutes]

Question 20

Define Scalability

Answer 20

How easily a network can accommodate more users and data transmission requirements

Question 21

Define Security

Answer 21

How well the network is defended from potential threats.

Question 22

Define QoS

Answer 22

Quality of Service

Question 23

Define Quality of Service

Answer 23

Includes tools, mechanisms, and architectures, which allow you to control how and when applications use network resources.

Question 24

Define Virtualization

Answer 24

A software solution that emulates network services and functions.

Question 25

Define Bus Topology

Answer 25

A topology in which every node is connected to a common transmission medium.

Question 26

Define Ring Topology

Answer 26

A topology in which nodes are cabled in succession, and the last device is connected to the first one to form a circle.

Question 27

Define Star Topology

Answer 27

A topology in which there is a central device to which all other network devices connect via point-to-point links.

Question 28

Define Mesh Topology

Answer 28

A topology in which a device can be connected to more than one other device.

Question 29

What is the Logical Topology of a Network?

Answer 29

The path which data travels from one point in the network to another.