3CX BASIC CERTIFICATION EXAM | WITH 100% CORRECT ANSWERS GRADED A+
GUARANTEED SUCCESS!! NEWEST 2026 COMPLETE QUESTIONS
Question 1
3CX Phone System can only be installed on Operating Systems that utilize which architecture?
A) 8-bit
B) 16-bit
C) 32-bit
D) 64-bit
E) ARM only
Correct Answer: D) 64-bit
Rationale: 3CX is a high-performance VoIP engine that requires a 64-bit architecture to
handle memory management and processing efficiency. It is not compatible with older 32-
bit (x86) operating systems.
Question 2
Which version of Windows Server is officially supported for the installation of 3CX?
A) Windows Server 2003
B) Windows Server 2008
C) Windows Server 2012 R2
D) Windows Server 2019 Core only
E) Windows Server 2000
Correct Answer: C) Windows Server 2012 R2
Rationale: According to 3CX basic requirements, Windows Server 2012 R2 and Windows
Server 2016 are the supported server platforms for installation.
Question 3
Which of the following browsers is officially supported for accessing the 3CX Management
Console?
A) Internet Explorer 11
B) Safari
C) Chrome
D) Opera
E) Netscape
Correct Answer: C) Chrome
Rationale: 3CX supports modern web standards. The officially supported browsers are
Google Chrome, Microsoft Edge, and Mozilla Firefox.
Question 4
If you are installing 3CX on a Windows-based machine, which of the following browsers is NOT
listed as a supported option?
A) Firefox
B) Edge
, 2
C) Chrome
D) Internet Explorer
E) All of the above are supported
Correct Answer: D) Internet Explorer
Rationale: Internet Explorer does not support the modern web technologies required for the
3CX Web Client and Management Console. Support is limited to Chrome, Edge, and
Firefox.
Question 5
Which of the following software applications should NOT be installed on the same server
running 3CX?
A) Notepad++
B) Microsoft Exchange
C) VLC Media Player
D) Google Chrome
E) Calculator
Correct Answer: B) Microsoft Exchange
Rationale: Microsoft Exchange is a resource-intensive application that uses many of the
same ports and services as 3CX. Installing them on the same server causes port conflicts
and performance degradation.
Question 6
Which database software is known to cause conflicts and should be avoided on a 3CX server?
A) SQLite
B) MS SQL
C) MariaDB
D) PostgreSQL
E) MongoDB
Correct Answer: B) MS SQL
Rationale: 3CX uses its own database management. Having MS SQL installed on the same
machine can lead to resource contention and service instability.
Question 7
Why is it recommended to avoid installing a DNS server on the same machine as 3CX?
A) DNS servers require 32-bit architecture.
B) It creates a conflict with the 3CX FQDN management and port requirements.
C) 3CX does not use DNS.
D) DNS servers prevent the installation of .Net.
E) 3CX only works with public DNS.
Correct Answer: B) It creates a conflict with the 3CX FQDN management and port
requirements.
, 3
Rationale: Running a DNS server on the same machine can interfere with the PBX's ability
to resolve its own FQDN and manage SIP traffic correctly.
Question 8
When running antivirus software on a 3CX server, what action must be taken to ensure the PBX
functions correctly?
A) Disable the antivirus entirely.
B) Uninstall the antivirus.
C) Add exclusions for 3CX folders and network traffic.
D) Only run the antivirus at night.
E) Antivirus does not affect 3CX.
Correct Answer: C) Add exclusions for 3CX folders and network traffic.
Rationale: Antivirus software may mistakenly flag 3CX's real-time voice traffic as a threat
or lock files in the 3CX directory, leading to dropped calls and system errors. Exclusions
prevent this.
Question 9
What is the minimum version of Microsoft .Net required to run 3CX?
A) .Net 2.0
B) .Net 3.5
C) .Net 4.0
D) .Net 4.5
E) .Net 4.6.1
Correct Answer: E) .Net 4.6.1
Rationale: 3CX relies on specific libraries provided by Microsoft .Net 4.6.1 for its
management console and core services to function on Windows.
Question 10
Which of the following Virtual Machine (VM) platforms is recommended for hosting 3CX?
A) VirtualBox
B) VMware Player
C) VMware ESXi
D) Parallels
E) QEMU
Correct Answer: C) VMware ESXi
Rationale: 3CX is tested and recommended for professional hypervisors like VMware ESXi,
Hyper-V, KVM, and XenServer to ensure high availability and performance.
Question 11
Besides ESXi and Hyper-V, which other platform is recommended for 3CX virtualization?
A) XenServer
GUARANTEED SUCCESS!! NEWEST 2026 COMPLETE QUESTIONS
Question 1
3CX Phone System can only be installed on Operating Systems that utilize which architecture?
A) 8-bit
B) 16-bit
C) 32-bit
D) 64-bit
E) ARM only
Correct Answer: D) 64-bit
Rationale: 3CX is a high-performance VoIP engine that requires a 64-bit architecture to
handle memory management and processing efficiency. It is not compatible with older 32-
bit (x86) operating systems.
Question 2
Which version of Windows Server is officially supported for the installation of 3CX?
A) Windows Server 2003
B) Windows Server 2008
C) Windows Server 2012 R2
D) Windows Server 2019 Core only
E) Windows Server 2000
Correct Answer: C) Windows Server 2012 R2
Rationale: According to 3CX basic requirements, Windows Server 2012 R2 and Windows
Server 2016 are the supported server platforms for installation.
Question 3
Which of the following browsers is officially supported for accessing the 3CX Management
Console?
A) Internet Explorer 11
B) Safari
C) Chrome
D) Opera
E) Netscape
Correct Answer: C) Chrome
Rationale: 3CX supports modern web standards. The officially supported browsers are
Google Chrome, Microsoft Edge, and Mozilla Firefox.
Question 4
If you are installing 3CX on a Windows-based machine, which of the following browsers is NOT
listed as a supported option?
A) Firefox
B) Edge
, 2
C) Chrome
D) Internet Explorer
E) All of the above are supported
Correct Answer: D) Internet Explorer
Rationale: Internet Explorer does not support the modern web technologies required for the
3CX Web Client and Management Console. Support is limited to Chrome, Edge, and
Firefox.
Question 5
Which of the following software applications should NOT be installed on the same server
running 3CX?
A) Notepad++
B) Microsoft Exchange
C) VLC Media Player
D) Google Chrome
E) Calculator
Correct Answer: B) Microsoft Exchange
Rationale: Microsoft Exchange is a resource-intensive application that uses many of the
same ports and services as 3CX. Installing them on the same server causes port conflicts
and performance degradation.
Question 6
Which database software is known to cause conflicts and should be avoided on a 3CX server?
A) SQLite
B) MS SQL
C) MariaDB
D) PostgreSQL
E) MongoDB
Correct Answer: B) MS SQL
Rationale: 3CX uses its own database management. Having MS SQL installed on the same
machine can lead to resource contention and service instability.
Question 7
Why is it recommended to avoid installing a DNS server on the same machine as 3CX?
A) DNS servers require 32-bit architecture.
B) It creates a conflict with the 3CX FQDN management and port requirements.
C) 3CX does not use DNS.
D) DNS servers prevent the installation of .Net.
E) 3CX only works with public DNS.
Correct Answer: B) It creates a conflict with the 3CX FQDN management and port
requirements.
, 3
Rationale: Running a DNS server on the same machine can interfere with the PBX's ability
to resolve its own FQDN and manage SIP traffic correctly.
Question 8
When running antivirus software on a 3CX server, what action must be taken to ensure the PBX
functions correctly?
A) Disable the antivirus entirely.
B) Uninstall the antivirus.
C) Add exclusions for 3CX folders and network traffic.
D) Only run the antivirus at night.
E) Antivirus does not affect 3CX.
Correct Answer: C) Add exclusions for 3CX folders and network traffic.
Rationale: Antivirus software may mistakenly flag 3CX's real-time voice traffic as a threat
or lock files in the 3CX directory, leading to dropped calls and system errors. Exclusions
prevent this.
Question 9
What is the minimum version of Microsoft .Net required to run 3CX?
A) .Net 2.0
B) .Net 3.5
C) .Net 4.0
D) .Net 4.5
E) .Net 4.6.1
Correct Answer: E) .Net 4.6.1
Rationale: 3CX relies on specific libraries provided by Microsoft .Net 4.6.1 for its
management console and core services to function on Windows.
Question 10
Which of the following Virtual Machine (VM) platforms is recommended for hosting 3CX?
A) VirtualBox
B) VMware Player
C) VMware ESXi
D) Parallels
E) QEMU
Correct Answer: C) VMware ESXi
Rationale: 3CX is tested and recommended for professional hypervisors like VMware ESXi,
Hyper-V, KVM, and XenServer to ensure high availability and performance.
Question 11
Besides ESXi and Hyper-V, which other platform is recommended for 3CX virtualization?
A) XenServer
