3CX Academy Advanced Certification Practice Test

These questions are part of the practice quiz. Start practicing

• Which statement is true about how 3CX processes outbound calls?
• Which of the following is NOT a reason to integrate 3CX with a CRM system?
• In a site-to-site VPN setup, does 3CX proxy the SIP and audio traffic between remote locations?
• How does 3CX cater to users speaking different languages?
• What is the function of SRTP regarding SIP traffic?
• Which codec allows direct audio exchange between extensions when systems are bridged?
• What is the main reason to check for SIP ALG when experiencing calls dropping?
• What happens after three incorrect attempts to enter a voicemail PIN?
• What action should follow starting a Wireshark capture to troubleshoot phone registration issues?
• What does "SIP" stand for in the context of 3CX?
• Which of the following is true about calls terminated by the IP phone?
• Which characteristic best describes cold transfers?
• Is it true that each extension defaults to the same password which should be changed for security?
• What functionality does call parking provide in 3CX?
• What can be updated in 3CX licensing?
• What is a "cold transfer" in a call scenario?
• What is the purpose of the firewall checker tool in 3CX?
• What is the default behavior of 3CX in handling call audio in a multi-VPN environment?
• Is the first step in troubleshooting call routing issues to change the logging level to Verbose?
• If you are experiencing issues with incoming call routing, what is one of the initial steps to troubleshoot?
• Which method can be used to back up 3CX configuration?
• Is an internal DNS mandatory when selecting the option "I need a 3CX FQDN"?
• What type of training does 3CX offer for end users?
• Can knowing only the FQDN/port of 3CX and the MAC address of a phone help to guess its provisioning URL?
• For Caller ID name modifications, what feature is utilized in 3CX?
• Can the 3CX Instance Manager facilitate updates for instances running on different platforms?
• What types of telephony providers are compatible with 3CX?
• Which codecs can Wireshark decode without any additional plugins?
• In terms of performance tracking, what type of report can help in analyzing call activity in 3CX?
• What role does professional support play in maintaining a 3CX system?
• What is true about the default voicemail PIN of an extension in 3CX?
• Is creating a Name for a "CID Inbound Rule" mandatory in 3CX?
• What audio codecs are necessary for decoding audio in Wireshark without plugins?
• What is the impact of bandwidth on 3CX operations?
• What does "FQDN" stand for in relation to 3CX?
• What does configuring SIP security settings help to achieve in 3CX?
• Can a phone that was provisioned as a STUN extension be reconfigured as a Local LAN extension within two weeks?
• What does the presence status 'Do Not Disturb' indicate in 3CX?
• For a Master Bridge with extensions 1xxx and a Slave Bridge with extensions 2xxx, is using a prefix in Outbound Rules required?
• When an Outbound Rule includes an extension group, what can the conference extension do?
• In what area can call handling rules be adjusted in 3CX?
• How can user permissions be managed in the 3CX system?
• How does 3CX ensure security in the audio stream of calls?
• What is the main function of "Outbound Rules" in 3CX?
• Which feature allows users to manage customer interactions directly from the interface?
• What type of service does 3CX specialize in?
• How can call recording be utilized in 3CX?
• Which of the following statements about the Blacklist interval is true?
• Which of the following best defines call escalation in a 3CX environment?
• What feature is used to monitor extension activity in real-time in 3CX?
• If the 3CX Firewall Checker shows green but there are audio issues, what could be a potential culprit?
• Should the 3CX SIP port be filtered by firewall ACL rules for security?
• What is the default blacklisting interval for an extension after exceeding authentication attempts?
• What does a typical disaster recovery plan for a 3CX installation include?
• What is the purpose of virtual extensions in 3CX?
• What aspect of 3CX's functionality helps in managing call traffic efficiently?
• By default, how does 3CX handle audio for extensions registered over multiple site-to-site VPNs?
• How many authentication attempts are allowed before an extension is blacklisted?
• Regarding transitions from older configurations to Secure SIP, what must be managed manually?
• In managing call recordings, 3CX primarily focuses on which two aspects?
• What is one benefit of using the call recording feature in 3CX?
• What methods can 3CX users utilize to manage call transfers?
• What role do trunks play in the 3CX communication system?
• What capability does the 3CX Instance Manager provide in relation to updates?
• What is the primary purpose of the 3CX smartphone app?
• In 3CX, which has higher priority when processing inbound calls: DID rules or CID rules?
• What happens to log files in 3CX during a service restart?
• When analyzing RTP streams, if the MAX Delta from the Provider to 3CX is lower than the reverse, where is the issue likely to be?
• Does remote presence of a bridged system appear in both IP Phones and the 3CX Phone for Windows?
• What does the term "voicemail" refer to in 3CX?
• Which protocols are supported to secure audio streams within the 3CX Phone System?
• What types of SIP endpoints can connect to 3CX?
• Does the 3CX Instance Manager require a specific hardware configuration?
• What attribute makes the 3CX Instance Manager suitable for large organizations?
• Does SRTP provide encryption that prevents a middle-man from viewing SIP traffic in plain-text?
• How does 3CX manage voicemail?
• To what kind of installations is the 3CX Instance Manager best suited?
• Which messaging features does 3CX offer?
• What functionality does "hot desking" provide in 3CX?
• When terminating a call from an IP phone, what should you see in Wireshark?
• Is it sufficient to use just a Wireshark capture to check the routing of a call in 3CX?
• What capability does "Inbound CID Reformatting" offer?
• What does the 3CX activity log track?
• Which feature in 3CX allows administrators to visually create call flows?
• What is required to successfully set up an IVR in 3CX?
• What is the default Blacklist time interval in 3CX?
• Why is managing call recordings important in 3CX?
• What does "Prepend" do when configuring outbound calls?
• When would you typically use the group call feature in 3CX?
• Which feature is essential for ensuring call clarity in 3CX?
• What is the role of call forwarding in 3CX?
• What feature is NOT available in the 3CX Instance Manager?
• What method is used to initiate group calls in 3CX?
• When utilizing "Inbound CID Reformatting" rules, what caller ID will an extension display if receiving a call from the number 8135791691?
• How does 3CX ensure high call quality?
• In what environment would you typically not use the 3CX Instance Manager?
• How long does a voicemail account get blocked after three incorrect PIN entries?
• What presence status options can users customize in 3CX?
• In 3CX, is the statement "In order to check call termination, you can use Wireshark to see the first BYE message" true or false?
• Which component is crucial for managing multiple 3CX instances effectively?
• How is a ring group configured in 3CX?
• Which tool can be used to determine who terminated the call first in a 3CX system?
• What must be different in bridged systems for outgoing calls to function correctly?
• Which of the following best describes a feature of the management console in 3CX?
• How does 3CX handle simultaneous calls?
• What is a key benefit of using SIP trunk providers with 3CX?
• What is the primary function of the 3CX call flow designer?
• How can users remotely access their voicemail in 3CX?
• What is the significance of configuring extensions in 3CX?
• What type of information can be found in the "Server Activity Log"?
• Which aspect of 3CX is crucial for connecting to the public telephone network?
• What is the primary objective of using "Inbound CID Reformatting"?
• What is essential for conducting online video conferences using 3CX?
• What is the main purpose of 3CX’s web client?
• Which of the following describes the function of the 3CX Instance Manager?
• Can CID and DID "Inbound Rules" be configured to route calls differently based on Office Hours?
• How can call forwarding be enabled in 3CX?
• What does a failure in the firewall checker indicate when troubleshooting audio issues?
• If a site-to-site VPN is established, what provisioning method should be used for phones?
• What might be a potential culprit for audio issues despite a green indication from the 3CX Firewall Checker?
• What is the primary function of the 3CX management console?
• Which settings must be configured for a successful SIP trunk connection in 3CX?
• What are some common troubleshooting steps for VoIP issues in 3CX?
• How does 3CX support video calls?
• What distinguishes inbound rules from outbound rules in 3CX?
• What is the primary benefit of using the 3CX Instance Manager?
• What impact do effective ring strategies have on customer service?
• When establishing calls between two bridged PBX systems, will audio be exchanged directly between extensions?
• If you want a call from the number 422033272020 to display as +44272020, what pattern is used for "Inbound CID Reformatting"?
• What type of system architecture does the 3CX Instance Manager support?
• Why is the update mechanism important for 3CX?
• What is required for 3CX to effectively manage concurrent calls?
• Is it permissible to install the DNS server on the same machine as the phone system in split DNS mode?
• When viewing a Remote Extension via STUN in Wireshark, what IP address should appear in the "Contact" field?
• What is a requirement for the virtual extension to work properly between master and slave configurations?
• What is the primary function of the 3CX web meeting feature?
• What happens to calls if the CID rules are misconfigured in 3CX?
• How does 3CX integrate with CRM systems?
• Which features are part of the security management in 3CX?
• What is the default length of the Voicemail PIN for an extension in 3CX?
• What is a limitation of the 3CX Instance Manager concerning instance configurations?
• Which of the following statements about "Outbound Rules" is true?
• What is required to use SRTP within 3CX?
• If an outbound call has "Strip Digits" set to 0 and no values in "Prepend", how will 3CX send the call?
• Can you use the same VoIP Provider in all of the Outgoing Routes of a rule?
• Which operating system is the 3CX Instance Manager available for 3CX v16+ installations?
• What type of information does the "Server Activity Log" provide?
• What type of configuration failure would occur if the slave's extension does not match the master's?
• Which codec is commonly used by 3CX for VoIP calls?
• Which of the following regarding STUN configurations is false?
• Can you receive calls on a 3CX extension if the registration is lost?
• In the context of Outbound Rules, what does a prefix typically indicate?
• What is a main advantage of using 3CX’s cloud-hosted services?
• What must the virtual extension of the slave match in a 3CX configuration?
• Which of the following statements is true about the 3CX Instance Manager?
• What is the benefit of using a virtual private network (VPN) with 3CX?
• What happens when PBX A calls PBX B in a bridged VPN?
• What is the function of call queues in 3CX?
• In the context of 3CX, what is the purpose of a PSTN gateway?
• Once Secure SIP is configured, how are certificates deployed in 3CX?
• What step should be performed first to troubleshoot a Local IP Phone that loses registration to 3CX?
• What is the required prefix for routing calls across a Master Bridge with 3-digit extensions to a Slave Bridge with 4-digit extensions?
• Which aspect of 3CX messaging contributes to improved communication among users?
• Is an FQDN required for 3CX to function properly?
• What useful functionality does 3CX provide for user management?
• What types of reports can be generated within the 3CX system?
• What is the role of the Binary Log Viewer in a PBX system?
• What is the primary function of 3CX?
• If experiencing audio issues between internal local extensions, what should be checked first?
• How can users escalate a call in 3CX?
• In split DNS mode, where should the DNS server not be installed when setting up 3CX without a FQDN?
• To check internal PBX routing of a call, which tool is most reliable?
• How do ring strategies influence call flow in 3CX?