Module 2

Question 1

Network Protocols

Answer 1

A set of rules used by two or more devices on a network to describe the order of a delivery and the structure of the data

Question 2

Transmission Control Protocol (TCP)

Answer 2

An internet communications protocol that allows two devices to form a connection and stream data

Question 3

Address Resolution Protocol (ARP)

Answer 3

A network protocol used to determine the MAC address of the next router or device on the path

Question 4

Hypertext Transfer Protocol Secure (HTTPS)

Answer 4

A network protocol that provides a secure method of communication between clients and website servers

Question 5

Domain Name System (DNS)

Answer 5

A network protocol that translates internet domain names into IP addresses

Question 6

Security Protocols

Answer 6

HTTPS

SSL/TLS

Question 7

IEEE 802.11 (WiFi)

Answer 7

A set of standards that define communication for wireless LANs

Question 8

WiFi Protected Access (WPA)

Answer 8

A wireless security protocol for devices to connect to the internet

Question 9

Firewall

Answer 9

A network security device that monitors traffic to and from your network

Question 10

Port Filtering

Answer 10

A firewall function that blocks or allows certain port numbers to limit unwanted communication

Question 11

Cloud-based Firewalls

Answer 11

Software firewalls that are hosted by a cloud service provider

Question 12

Stateful

Answer 12

A class of firewall that keeps track of information passing through it and proactively filters out threats

Question 13

Stateless

Answer 13

A class of firewall that operates based on predefined rules and does not keep track of information from data packets

Question 14

Benefits of Next Generation Firewalls (NGFWs)

Answer 14

Deep packet inspection

Intrusion protection

Threat intelligence

Question 15

Virtual Private Network (VPN)

Answer 15

A network security service that changes public IP address and hides a virtual location so that you can keep your data private when you’re using a public network like the Internet

Question 16

Encapsulation

Answer 16

A process performed by a VPN service that protects your data by wrapping sensitive data in other data packets.

Question 17

Security Zone

Answer 17

A segment of a network that protects the internal network from the Internet

Question 18

Network Segmentation

Answer 18

A security technique that divides the network into segments

Question 19

Uncontrolled Zone

Answer 19

Any network outside of the organizations control

Question 20

Controlled Zone

Answer 20

A subnet that protects the internal network from the uncontrolled zone

Question 21

Areas in the Controlled Zone

Answer 21

Demilitarized zone (DMZ)

Internal network

Restricted zone

Question 22

Proxy Server

Answer 22

A server that fulfills the requests of a client by forwarding them onto other servers

Question 23

Forward Proxy Server

Answer 23

Regulates and restrict a person’s access to the Internet

Question 24

Reverse Proxy Server

Answer 24

Regulates and restricts the Internets access to an internal server