3CX ADVANCED CERTIFICATION EXAM LATEST 2024 COMPLETE 4 VERSIONS EACH 30 QUESTIONS 100% F, Exams of Computer Science

Download 3CX ADVANCED CERTIFICATION EXAM LATEST 2024 COMPLETE 4 VERSIONS EACH 30 QUESTIONS 100% F and more Exams Computer Science in PDF only on Docsity! 3CX Academy ADVANCED CERTIFICATION 2024 EXAM 3CX ADVANCED CERTIFICATION EXAM LATEST 2024 COMPLETE 4 VERSIONS EACH 30 QUESTIONS 100% FULLY SOLVED GRADED A+ In the criteria of the "Outbound Rules", "Calls from Extension(s)" having comma separated values will allow multiple extension ranges to be defined True The Virtual Extension of the slave must match the master side virtual extension number True For extensions that are registered over multiple site-to-site VPNs, by default 3CX delivers the audio between phones if they are on different subnets. False On outbound calls to external numbers, 3CX will process "Outbound Rules" in a "Best Matching" way, depending on how many of the criteria match. False Wireshark can - without any additional Plugins Decode all Codecs including G711A, G711U, GSM, G729, G726 False STUN extensions can be configured to connect to the tunnel port of 3CX instead of the SIP port for more security. False The log files of 3CX are never cleaned even when you restart the 3CX Services False Once Secure SIP has been configured in 3CX, Secure SIP certificates will need to be deployed manually in phones and softphones OS so that they can communicate. False Remote extensions may be provisioned using the HTTP or HTTPS URLs False 3CX Academy ADVANCED CERTIFICATION 2024 EXAM The default Voicemail PIN of an extension consist of 4 random alphanumerical characters. False Your 3CX has only one SIP Trunk and receives a call from number 8135791691. If you have a "Inbound CID Reformatting" rule on the Trunk with "Source Pattern" 813(...)(.*) and "Replace Pattern" \1\2, the extension that receives the call will see "5791691" as the caller ID on its display. True When 3CX has been installed without a FQDN from 3CX and in split DNS mode, the DNS server must not be installed on the same machine as the phone system. True Your Local IP Phone loses the registration to 3CX and you want do troubleshoot the issue. You should start a Wireshark Capture on the 3CX Server, reboot the phone, and then apply the Filter sip.Cseq.Method==REGISTER in order to see if registrations are reaching 3CX True Your 3CX has only one SIP Trunk and receives a call from number 422033272020 and you want it to be presented on the extension display as +44272020. You can do this with a "Inbound CID Reformatting" rule on the Trunk with "Source Pattern" 44(..)(..)(.*) and "Replace Pattern" +44\3. True When selecting the option "I need a 3CX FQDN" an internal DNS is not mandatory True The order of "Inbound Rules" is not important when you have DID and CID "Inbound Rules", CIDs always have higher priority. False You have a Master Bridge with 3-digit extensions 1xxx and a Slave Bridge with 4-digit extensions 2xxx. In the "Outbound Rules" you use to rote calls across the bridge, using a prefix is mandatory. False You have run the 3CX "Firewall Checker" and comes up as Green, but you still have audio issues and calls dropping on on outbound / inbound calls. Can SIP ALG be the culprit? True 3CX Academy ADVANCED CERTIFICATION 2024 EXAM When 3CX has been installed without an FQDN from 3CX and in split DNS mode, the DNS server must not be installed on the same machine as the phone system True A TLS certificate and key will have to be imported into 3CX so taht SRTP can be used. False You cannot create multiple CID "Inbound Rules" and associate them with different SIP Trunks you have in 3CX. False The 3CX SIP port should be filtered by firewall ACL rules to maximize security and allow only trusted IPs to reach it (VoIP providers or STUN extensions if any). True SRTP will secure calls so that a middle-man can't see the SIP traffic in plain-text. False If a caller enters the PIN of the voicemail of an extension incorrectly 3 times, the specific voice mail account gets blocked for 2 minutes. False The default Blacklist time interval is of 1800 minutes. True When an "Outbound Rule" has an extension group defined, outgoing calls from the conference extension are able to be made from 3CX False You have a Mater Bridge with 4-digit extensions 1xxx and a Slave Bridge with 4-digit extensions 2xxx. In the "Outbound Rules" you use to route calls across the bridge, using a prefix is mandatory. False "Inbound CID Reformatting" can be used to change teh Caller ID name of an incoming call based on a set of rules. False The "Server Activity Log" will provide information for: Phone Registrations, Gateway and SIP Trunk Interactions, All Related Calls 3CX Academy ADVANCED CERTIFICATION 2024 EXAM True If you are having audio issues with calls between internal local extensions and your firewall checker fails the first thing that you should do is to make sure that your firewall checker test passes False When viewing in wireshark a Remote Extension via STUN registering to your 3CX, you should see in the SIP section of the Registration message in the "Contact" field the Local IP address of the remote phone False If a site-to-site VPN is already in place between the PBX location and a remote location, phones should be provisioned with Direct/STUN provisioning method. False The default Voicemail PIN of an extension consist of 4 random alphanumerical characters. False In order to check which side (Caller or Calee) terminated the call first, you can check using wireshark to see who sent the first BYE message. True You are having an issue with incoming call routing being sent to the wrong internal destination once it is received by 3CX. The first step to troubleshoot the issue would be to set your System to Verbose Logging, start wireshark, replicate the issue and then Restart all 3CX Services, generate the support files and send them to 3CX Support for troubleshooting False Setting a Name when creating a "CID Inbound Rule" is mandatory False When the option "Remote PBX uses SBC/Tunnel Connection" is enabled on the master bridge, the Slabe bridge must be registered behind the SBC. False You can take a phone that has already been provisioned with RPS as remote STUN Extension and configure it as a Local LAN extension, as long as 2 weeks have passed since the phone was provisioned as a STUN extension False 3CX Academy ADVANCED CERTIFICATION 2024 EXAM You have run the 3CX "Firewall Checker" and comes up as Green, but you still have audio issues and calls dropping on on outbound / inbound calls. Can SIP ALG be the culprit? True Remote presence of a bridged system is available in both IP Phones (via BLF) and the 3CX Phone for Windows False The numbering plan of bridged systems must be different in order for outgoing calls to the bridge to work False ZRTP and SRTP are both supported to secure the audio stream of calls within the 3CX Phone System. False The 3CX Instance Manager is available for 3CX v16+ installs on what Operating System? Linux x86 with no failover or hosting mode enabled The 3CX Instance Manager allows you to perform batch updates True User A from group A has "Show presence to group members" and "Can See group members" checked, User B from group B has the same. Can they see each others presences? No Certificates in PFX format are single files containing the certificate and the private key. True Is there a way to add a company phonebook contact from the 3CX client Yes You are using "Prioritized Hunt" as your "Ring Strategy" in Ring Groups. Three extensions are added as members of this Ring Group (in order A, B, and C). Let's assume that extension B is engaged in a call. Extension A and C are available. A new call comes into this Ring Group. If extension A does not answer the call after the configured "Ring Time" the call will be forwarded to the "Destination if no answer" False 3CX Academy ADVANCED CERTIFICATION 2024 EXAM False In the extension settings, enabling the "Disallow use of extension outside the LAN" option also blocks remote 3CX Clients from registering. False Inbound Rules are configured to route calls to different destinations based on time. The host which runs 3CX is configured to use UTC as its timezone. The timezone during the 3CX Install Wizard was set to be EEST or GMT+2. Which time zone will call routing be based upon? EST or GMT+2 Review the FQDN allocation guidelines (https://www.3cx.com/docs/fqdn-managment- allocation/) and validate this statement: In case 3CX was installed with a custom own domain for company.domain.com the 3CX WebMeeting URL will be domaincom.3cx.net False Does the order of agents in Queues matter when the polling strategy is "Round Robin?" Yes While using 3CX with a "Pro Edition" key, Ring Groups have more than two Ringing Strategies available. False Inbound Rules can route calls to destinations based on the time of day. There are a maximum of two different destinations configurable. True Extension 100 is an agent of two Queues. 3CX is licensed with a "Standard Edition" license. Can extension 100, by any means, only log out from Queue A as an active agent but not from Queue B? No In order to configure the 3CX SBC to connect to 3CX, only the following information needs to be known of the 3CX PBX: 3CX PBX Tunnel Port, 3CX PBX SIP port and 3CX PBX Tunnel password. True In a Ring Group you have 3 extensions assigned and the "Ring Time" is set to 20 seconds. While using the "Prioritized Hunt" ring strategy, the call will be forwarded to the "Destination if no answer" after 20 seconds. False 3CX Academy ADVANCED CERTIFICATION 2024 EXAM Time based scheduling operations are performed based on the timezone which is configured on the host system. False RPS is a method where factory default IP phones will be instructed by an online service to request the provisioning file from a specific URL. True "Office Hours" and "Breaks" for an extension have been specified. The extension should change its profile status based on the time of day. The profile status during "Break" time will be set to "Do Not Disturb." False The default backup folder set during the installation in Windows is C:\ProgramData\3CX\Instance1\Data\Backups\. If you uninstall 3CX, is this folder deleted without warning along with all its contents? Yes The order of added extensions in a Ring Group does not matter regardless which "Ring Strategy" is used by the Ring Group. False The minimum license key level required to use Queues within 3CX is a "Standard Edition" key. True Every extension in 3CX can have its own personal web meeting URL. True Can a range of dates be defined as a holiday? Yes "Office Hours" and "Breaks" for an extension have been specified. The extension should change its profile status based on the time of day. The profile status during "Break" time will be set to "Away." True You install 3CX on premise in a NATed environment with local and remote extensions. During the installation you defined to use your own external and internal FQDN. This means that you must create two A records. One on your external and one on your internal DNS server. Both must point to your public IP address in order to be able to use 3CX Webmeeting. 3CX Academy ADVANCED CERTIFICATION 2024 EXAM False On a 3CX installation you have changed the SIP Port to 6060. A backup of this install is taken with all possible options. If you use this backup when performing a brand new installation of 3CX, will the SIP Port of 3CX still be 6060? No In order to upgrade from V14 latest Service Pack to V15, the correct procedure is: Full Backup of V14 -> Uninstall V14 -> Install V15 -> Pass the PBX Wizard and Setup Wizard -> from the running install, then restore the v14 backup. False In the extension settings, enabling the "Disallow use of extension outside the LAN" option also blocks remote 3CX Clients from registering. False When you have your extension set to profile status "Custom1" or "Custom2", your extension will switch back to "Available" when automatic profile switching is enabled for this extension. True One single Digital Receptionist can handle multiple callers at the same moment. True The 3CX SBC tunnels all SIP and RTP traffic to 3CX over a single port. True In order to upgrade from V14 latest Service Pack to V15, the correct procedure is: Full Backup of V14 -> Uninstall V14 -> Install V15 -> during the installation restore V14 backup -> finish the V15 installation True Chat messages across the users of a group can be blocked by unticking the right "Can Chat with group members." False When assigning "Extension Group Rights" to an extension, if you give extensions the "Manager" role they will always have all rights enabled and they can not be altered. False Users can be notified about missed calls via email.