Firewall and Firewall on a windows device

Question 1

What is a firewall?

Answer 1

A firewall allows specific types of data to enter and exit the computer and blocks others; this protection is called filtering.

Question 2

What are the criteria used for filtering by a firewall?

Answer 2

Filters are based on:
* IP addresses
* Port numbers
* Protocols

Question 3

How does a firewall use IP addresses?

Answer 3

The firewall can block or allow traffic based on the IP address of a resource or a scope of addresses.

Question 4

What role do port numbers play in firewall functionality?

Answer 4

Port numbers identify the application that is running on the computer.

Question 5

What do protocols define in the context of a firewall?

Answer 5

Protocols define the type of packet being sent or received.

Question 6

What is the function of Windows Defender Firewall?

Answer 6

It blocks or allows network traffic based on the properties of that traffic and can implement authentication and apply encryption.

Question 7

What impact does configuring Windows Defender Firewall have?

Answer 7

It can significantly impact file and printer sharing and affect the discoverability of your device on connected networks.

Question 8

Can you create custom rules in Windows Defender Firewall?

Answer 8

Yes, you can create your own inbound and outbound rules based on ports, protocols, programs, and more.

Question 9

Where can you access the Firewall & network protection page?

Answer 9

Open the Windows Security app and click Firewall & network protection on the home tab.

Question 10

What features are consolidated on the Firewall & network protection page?

Answer 10

It provides a unified interface for accessing firewall and network protection features.

Question 11

Is the functionality between the Firewall & network protection page and Windows Defender Firewall duplicated?

Answer 11

Yes, much of the functionality is duplicated between the two.

Question 12

Fill in the blank: Windows Defender Firewall can filter traffic and be used to implement _______.

Answer 12

[authentication]

Question 13

True or False: Windows Defender Firewall settings cannot be customized beyond the default configurations.

Answer 13

False

Question 14

What are the three network profiles offered by Windows Firewall?

Answer 14

Domain, private, and public

These profiles are used to assign rules for network traffic.

Question 15

What is the domain network profile?

Answer 15

Automatically applied to a device joined to an Active Directory domain when a domain controller is detected

This profile cannot be set manually.

Question 16

How can the private network profile be set?

Answer 16

Manually by an administrator on a network interface

This profile is suitable for private networks, such as home networks.

Question 17

What is the purpose of the public network profile?

Answer 17

Designed with higher security for public networks

Examples include Wi-Fi hotspots, coffee shops, airports, and hotels.

Question 18

What is the default profile for unidentified networks in Windows Firewall?

Answer 18

Public network profile

This profile is intended for use in public environments.

Question 19

What is the purpose of the Windows Defender Firewall?

Answer 19

To control which apps can send and receive data through the firewall

Question 20

How can you view the list of apps allowed through the Windows Defender Firewall?

Answer 20

By clicking ‘Allow an app through firewall’ on the Firewall & network protection page, in Windows Security

Question 21

What can you do if the app you want is not in the allowed list?

Answer 21

Click ‘Allow another app’ and follow the instructions

Question 22

What is the function of the ‘Change settings’ button in the Firewall settings?

Answer 22

To modify which apps and firewall profiles apps can use

Question 23

What is the Windows Defender Firewall with Advanced Security?

Answer 23

A management console for more advanced firewall configurations

Question 24

How do you access the Advanced Settings in Windows Defender Firewall?

Answer 24

By clicking ‘Advanced settings’ on the Firewall & network protection page, in Windows Security

Question 25

What are Inbound Rules?

Answer 25

Rules that control incoming traffic to the computer

Question 26

What can you do with Outbound Rules?

Answer 26

Control outgoing data and create custom rules

Question 27

What do Connection Security Rules establish?

Answer 27

How computers must authenticate before data can be sent

Question 28

What does IPsec stand for?

Answer 28

Internet Protocol Security

Question 29

What are the main functionalities of IPsec?

Answer 29

* Mutual authentication * Confidentiality through encryption * Integrity through digital-packet authentication

Question 30

What is the purpose of an isolation rule in connection security?

Answer 30

To restrict connections based on credentials like domain membership or health status

Question 31

What is an authentication exemption?

Answer 31

Designates connections that do not require authentication

Question 32

What does a server-to-server connection security rule protect?

Answer 32

Connections between servers

Question 33

What is the function of a tunnel rule?

Answer 33

To protect connections between gateway computers

Question 34

Fill in the blank: Connection security rules do not apply to _______.

Answer 34

programs and services

Question 35

True or False: Connection security rules apply only between the two endpoints.

Answer 35

True

Question 36

What must you do to secure traffic with IPsec using a connection security rule?

Answer 36

Allow the traffic through the firewall by creating a firewall rule

Question 37

What information does the Monitoring node provide?

Answer 37

Active firewall status, state, and general settings for profile types

Question 38

What types of rules can be created in Inbound Rules?

Answer 38

* Program * Port * Predefined * Custom