ACIS 7130 - Avaya Aura Communication Aplications

When in system manager (SMGR), Which statement about enabling IM and presence for an Avaya Aura user is true. a) Edit the communication profile of the user to assign an Avaya SIP handle and enable and configure the presence profile. b) Edit the communication profile of the user to assign Xmpp handle and enable and configure the presence profile. c) Edit the communication profile of the user to assign Avaya E164 handle and enable and configure the presence profile. d) Edit the communication profile of the user to assign an Avaya presence I am handle and enable and configure presence profile.

A Customer reports that while using Avaya Aura Presence Services, the users cannot see the Presence status. Which CLI tool is used to trace PUBLISH messages in the Avaya Breeze server?. a) Start trace. b) tracePRS. c) traceCE. d) tracePS.

To Allow the Avaya one-X Comunicator to subscribe to the Avaya Aura Presence Services, what would be entenred in the IM and Presence/Server field of the one-X Comunicator?. a) Avaya Aura Session Manager (SM) Security Module IP Addres or FQDN. b) Avaya Aura Session Manager (SM) Management IP Addres or FQDN. c) Avaya Brezee Management IP Address or FQDN. d) Avaya Brezee Security Module IP Address or FQDN.

Before running the initTM -f command from the Avaya Breeze server CLI, what should be verified?. a) Verify that the Avaya Breeze is configured as a Managed Element in Avaya Aura Systen Manager. b) Verify that the Avaya Breeze server is licensed. c) Verify that a valid certificate is installed on the avaya Breeze server. d) Verify that an enrollment password is configured in Avaya Aura System Manager, and that it has not expired.

Which statement about the Avaya Aura presence Services snap-in licensing is true?. a) A single license file for all users is required. b) User licenses are and entitlement as part of the Avaya Aura Suite licensing. c) A per-user license is an entitlement on its own. d) An instance license is required.

You are deploying the Avaya Aura presence services on Avaya Breeze. When looking under elements Avaya Breeze service Management Service in Avaya Aura system manager which Status would expect to see for a presence Services snap-in that is ready to support presence and IM?. a) Loaded. b) Installed. c) Accepting. d) Active.

Which statement describes the purpose of the tracePS CLI tool?. a) It captures contact details for every user subscribe to Avaya Aura presence services. b) It captures packet size statistics for every call in Avaya aura. c) It captures real-time xmpp traffic. d) It captures voicwe and video media packets in real-time.

Which two statements describe the steps for deploying the Avaya presence services snap-in (Choose two). a) Load the presence services to snap-in to the system manager. b) Install the presence Services snap-in, and then load it onto the breeze server. c) Load the presence Services the snap-in into the breeze cluster. d) install the presence Services snap-in onto the breeze server.

when in system manager (smgr) which statement about enabling IM and presence for an Avaya Aura user is true?. a) edit communication profile of the user to assign an Avaya SIP handle and enable and configure that presence profile. b) edit communication profile of the user to assign xmpp handle and enable and configure the presence profile. c) edit communication profile of the user to assign an Avaya e164 handle and enable and configure the presence profile. d) edit communication profile of the user to assign an Avaya presence/IM handle and enable and configure the presence profile.

in the context of Avaya aura presence services, what is a watcher?. a) it is a user who request a one-time view of another user's current presence status. However it does not get future presently update. b) it represents a user whose device is sending status on their behalf using publish message. c) it is a user who is subscribing to the current and future presents the status of another user. d) it represents a presence information about a user that the system reports.

which two configuration steps must be performed on the Avaya Aura Communication Manager (CM) for integrating it with the Application. Enablement Services (AES), and enabling the TSAPI link? (Choose two). a) Create a CTI user. b) Create a Signaling Group. c) Create a CTI link. d) Configure Switch Connection. e) Configure IP Services.

When integrating the Application Enablement Services (AES) with the Avaya Aura Communication Manager (CM), in which two places is the switch Password configured?. a) On the “ip-services” screen in the Avaya Aura Communication manager (CM) and in “Switch Connections” on the Application Enablement Services (AES). b) On the “cti-link” screen in the Avaya Aura communication manager (CM) and in switch connections on the application enablement services (AES). c) on the "IP-services" screen In the avaya aura communication manager (CM) and “TSAPI link” on the application enablement Services (AES). d) on the "cti-link" screen In the Avaya Aura communication manager (CM) and "TSAPI link" on the application enablement Services (AES).

which statement about the application enablement Services (AES) certificate management is true?. a) AES does not required a server identity certificate at it communicates only via h.323. b) AES is shipped with a default certificate which is valid for one year, and a Customer-provide server identity certificate must be installed before the default certificate expires. c) AES provides an integrated certificate Authority (CA) which can be used to generate a self-signed server identity certificate. d) AES is shipped with a self-signed server identity certificate which can be used indefinitely.

which Avaya aura platform component does application enablement Services (AES) communicate with?. a) Avaya Aura Session Manager (SM) using SIP. b) Avaya Aura communication manager (CM) using h.323. c) Avaya Aura communication manager (CM) using SIP. d) Avaya Aura media server (AAMS) using h.323.

where in the application enablement service (AES) menu do you access the TSAPI test from?. a) AE services. b) Status. c) Maintenance. d) Utilities.

what is the correct procedure for connecting to the application enablement Services (AES) command-line interface (CLI) and the default login ID?. a) use putty or equivalent to SSH to <AES IP address> using port 22 then enter login=craft. b) use putty or equivalent to SSH to <AES IP address> using port 22 then enter login=cust. c) use putty or equivalent to connect to <AES IP address> using port 21 then enter login=Admin. d) use putty or equivalent to SSH to <AES IP address> using port 222 then enter login=ipcs.

what is the correct URL for connecting to the application enablement Services (AES) web interface, and the default login ID?. a) https://<AES management IP address>/admin, then enter login=ucsec. b) https://<AES management IP address>:8443, then enter login=craft. c) http://<AES management IP address>, then enter login=Admin. d) https://<AES management IP address>, then enter login=cust.

Which two pieces of information in an output from the show mgc command (issued on a G430/ G450 Gateway CLI), indicate thet the G430/G450) is operating as an Internet Friendly (Edge) Gateway as opposed to an Enterprise Gateway? (Choose two). a) The H.248 Link Mode displays IFG. b) The Management Link Mode displays Tunnelled. c) The Gateway Mode displays Edge. d) The H.248 Link Status displays UP/Encrypted. e) The Controller displays sbc@.

On the Avaya Session Border Controller for Enterprise (ASBCE), to connect one Internet Friendly (Edge) Gateway to Avaya) Communication Manager (CM), how many IP Addresses are required?. a) One Public and two Private IP addresses. b) Two Public and two Private IP addresses. c) One Private and one Public IP addresses. d) Two Public and one Private IP addresses.

Wich statement describes how an H.248 signaling link connects the Internet Friendly (Edge) Gateway to the Avaya Communication Manager (CM)?. a) It is transported using TCP port 80 and secured using a VPN connection to the Avaya Session Border Controller for Enterprise (ASBCE). b) It is transported using HTTPs using port 443. c) It is transported using HTTPs/REST via the Avaya Session Border Controller for Enterprise (ASBCE). d) It is tunnelled using TCP port 2944 and secured using TLS.

Avaya Session Border Controller for Enterprise (ASBCE) can be deployed on the kemel-based Virtual Machine (KVM) infrastructure. What is the template file type to be used for the KVM deployment?. a) EC2. b) OVF. c) OVA. d) QCOW2.

A field engineer runs the Installation Wizard during the deployment of the Avaya Session Border Controller for Enterprise (ASBCE). Which statement about configuring Domain Name System (DNS) server address during the installation Wizard is true?. a) A DNS server address should not be configured during the Installation Wizard. b) A primary DNS server address needs to be configured. c) A DNS server address is not required. d) Both the Primary and the Secondary DNS server addresses mut be configured, even if only one DNS server is available.

After runing the Install wizard on the Avaya Session Border Controller for Enterprise (ASBCE), you add a Public (External) IP address to the B1 interface. You try to ping this IP address from a PC in the same subnet, but it fails. What is the first step to resolve the problema?. a) Navigate to Network & Flows > Network Management > Interfaces and enable the B1 interface. b) Connect to the ASBCE CLI and reboot the ASBCE. c) Navigate to Device Management, and click on Restar Application. d) Navigate to Device Management, and click on Reboot.

In the Avaya Session Border Controller for Enterprise (ASBCE), which two configuration screens must be configured for a succesful download of the Personal Profile Manager (PPM) data to an Advanced SIP Telephone (AST)? (Choose two). a) Endpoint Profile. b) PPM Mapping Profile. c) Reverse Proxy. d) File Transfer. e) Application Relay.

In the Avaya Session Border Controller for Enterprise (ASBCE), what is the state of a Network Interface, after the deployment?. a) Deployed. b) Active. c) Disabled. d) Enabled.

The Customer plans to have 50 SIP Trunks and 100 Remote Workers supported by the Avaya Session Border Controller for Enterprise (ASBCE). How many ASBCE licenses Will they require?. a) 150 standard services licenses, and 150 advanced services licenses. b) 50 standard services licenses, and 100 advanced services licenses. c) 150 standard services licenses. d) 150 standard services licenses, and 100 advanced services licenses.

Avaya Session Border Controller for Enterprise (ASBCE) provides an integrated (local) WebLM server. Which ASBCE deployment supports a license tile installed on the loral WebLM server?. a) a multi-server deployment with a virtualized EMS and hardware based ASECEs. B) a single-server hardware-based deployment. C) a single-server virtualized deployment. D) a multi-server deployment with a virtualized EMS and virtualized ASBCEs.

In the Avaya Session Border Controller for Enterprise (ASBCE) Multi-Server / HA deployments, where do you access the tracesbr tool that displays SIP messages in real-time as they pass through the ASBCE?. A) from the EMS component / device command line via SSH session using PuTTY. B) from the SBC component / device command line via SSH session using PUTTY. C) from the EMS web interface. D) from the Avaya Aura ® System Manager (SMGR) web interface, under the Elements > Sessin Border Contoller for Eritempise > Session Border Controller menú.

Refer to the exhibit. Before you can begin configuring SIP Trunking, which status should all the Avaya Session Border Controller for Enterprise (ASBCE) components / devices show on the Device Management screen?. A) Commissioned. B) Registered. C) Provisioned. D) Ready.

When registering as a Remote Worker via the Avaya Session Border Controller for Enterpise (AS8CE), which P adress should be configured in the Server List of the Avaya one-X Communicator?. A) The Avaya Aura® Session Manager (SM) Secrity Module IP Address. B) ASBCE External (Public) Interface IP address allocated for Remote Workers. C) Avaya Aura ® Session Manager (SM) External (Public) Interface IP address allocated for Remote Workers. D) ASBCE Internal (Private) Interface IP address allocated for Remote Workers.

Refer to the exhibit. With Dynamic Licensing configures in the Avaya Session Border Controller for Enterprise (ASBCE), when will the ASBCE issue a request to the WebLM server to allocate additional licenses based on "Fetch Count'" value?. A) when the percentage of free (available) standard sessios licenses reaches 30% (Low Watermark). B) when the percentage of free (avallable) standard sesions licenses drops below 30% (Low Watermark). C) when the percentage of free (available) standard sessins licenses reaches 50% (High Watermark). D) when the percentage of free (available) standard sessions licenses drops below 50% (High Watermank).

If the customer requires High Avallability (HA) for the Avaya Session Border Controller for Erterpise (ASBCE), what is the minimum number of servers / virtual machines that are required?. A) 4. B) 2. C)1. D) 3.

In the Avaya Session Border Controller for Enterprise (ASBCE), which feature allows reusing the same TCP connection to the Avaya Aura Session Manager (SM) for all SIP messages related to the same Remote Worker?. A) "Enable Shared Control" in the Signaling Interface used for the SM. B) "Share Transport Link” in the Advanced tab of the Sip Server Profile for the SM. C) "Stream Users Over Transport Link” in the Signaling Interface used for the SM. D) "Enable Grooming" in the Advanced tab of the SIP Server Profile for the SM.

Which two statements about the Avaya Session Border Controller for Enterprise (ASBCE) certificate management are true? (Choose two). A) It allows using a default setver certificate for up to one year after the installation. B) It only supports .crt certificate file types. C) It supports both the Root and Intermediate Certificate Authority (CA) certificates. D) It requires a single server identy certificate for each deployed sever. E) It provides an in-built Certificate Signing Request (CSR) generation utlity.

When planning the Avaya Session Border Controller for an Enterprise (ASBCE) deployment, what is a good protre to adopt?. A) Use dedicated ASBCEs on the internal and external sides of the network. B) Use the same IP address sub-net for both internal and external interfaces. C) Use the same name for all internal and external interfaces. D) Name interfaces consistently, for example, A1 as "Internal" or "Private" for connectivity to the Call Server.

In some deployments, the Avaya Session Border Controller for Enterprise (ASBCE) might not trust the Certificate Authority (CA) wich signed the WebLM server identity certificate. Which tool would you use to fix the trust issue?. A) the sbceconfigurator.py fix-weblm-cert command issued from the EMS CLI. B) the "Fix ASBCE WebLM Cert” option under Device Management > Licensing. C) the sbceconfigurator.py change-ssl-certs command issued from the SBC CLI. D) the "Verify Existing Certificate" option under Device Management › Licensing.

To trace SIP messages exchanged during a Remote Worker registration in real-time, which Avaya Session Border Controller for Enterpise (ASBCE) CLI tool is used?. A) tracesbc. B) tracem. C) traceReg. D) traceRW.

Which CLI tool is used to trace messages in real-time as they pass through the Avaya Session Border Controller for Enterprise ( ASBCE)?. A) start trace. B) tracesbc. C) tracePackets. D) SIPtracer start.

You are preparing to obtain a server Identity certificate from a Certificate Authority (CA) for the installation on the Avaya Session Border Controller for Enterprise (ASBCE). What should be done prior to obtaining a server Identity certificate from the CA?. A) Generate a Certificate Signing Request (CSR). B) Run initTM -f from the ASBCE CLI. C) Create a TLS Profile in the ASBCE. D) Configure an Enrollment Password in the System Manager.

When installing a new Avaya Session Border Controller for Enterprise (ASBCE) component / device using the EMS GUI, you clicke on the Install link on the EMS Device Management page. After briefly displaying the Provisioned status, which final status shoud the ASBCE component/device display?. A) Up. B) Commissioned. C) Running. D) Active.

What must be configured under DMZ. Services in the Avaya Session Border Controller for Enterprise (ASBCE ) to allow downloading the 46xxsettings.txt file to a Remote Worker device?. A) File Transfer. B) Mapping Profile. C) Reverse Proxy. D) Application Relay.

Refer to the exhibit. Which type of a Configuration Profile in the Avaya Session Border Controller for Enterprise (ASBCE) allows to set Timers, URI Manipulation and Header Manipulation, and can be linked to a SIP Server Profile?. A) Server Interworking. B) Topology Hiding. C) Routing. D) Signaling Manipulation.

Which three SIP headers should be overwritten with a SIP domain in a Topology Hiding Profile associated with a Session Manager in a typical Avaya Session Border Controller for Enterprise (ASBCE) deployment? (Choose three.). a) Referred-By. b) Request-Line. c) To. d) Refer-To. e) From.

Which End Point Flows are required when setting up the Avaya Session Border Controller for Enterpise (ASBCE) SIP Trunking?. a) a minimum of two Subscriber Flows. b) a minimum of two Server Flows. c) one Subscriber Flow and one Server Flow. d) one Subscriber Flow and two Server Flows.

You are obtaining identity certificates and encryption keys from a Certificate Authority (CA) for installation on the Avava Session Border Controller for Enterprise (ASBCE). Which statement about installing the identity certificate and encryption key files on the ASBCE Is true?. A) The filenames of the identity certificate (.pem or .crt file) and the encryption key (.key fle) must match. B) Both the identity certificate and the encryption key files must be provided in a .zip archive for the installation on the ASBCE. C) It must be rebooted before the identity certificate and the encryption key installation. D) The filename of the identity certificate (.pem or .crt file) must be different from the flename of the encyption key (.key file).

Which statement regarding the Survivable Communication Manager (CM) is true?. A) It does not require configuring on the System Manager (SMGR) either as a Managed Element, or as a SIP Entity. B) It is configured on the System Manager (SMGR) as a Managed Element. C) It is configured on the System Manager (SMGR) as a SIP Entity, with Entity Links to the Core Session Managers. D) It is configured on the System Manager (SMGR) as a SIP Entity, with an Entity Link to the BSM.

Which event triggers a Survivable Communication Manager (CM) to accept IP phones registration requests, and put the configured IP trunks in a working condition?. A) avallability of DSP resources from either an Avaya Aura Media Server (AAMS) and/or a G- series Media Gateway. B) a lack of a response to an outbound SIP INVITE. C) a failed IP phone registration attempt. D) a heartbeat failure of the main CM.

When deploying a Survivable Communication Manager (CM), which statement about the Server ID value is true?. A) The Server ID of a Survivable CM needs to match the server ID of the Main CM. The Server IDs must be an ever/odd pair (N, N+1). B) Every CM server in the network needs to be assigned a unique server ID, but both servers in a duplex pair must have the same Server ID. C) The Server ID is a value found in the license file. D) Every CM server in the network needs to be assigned a unique Server ID including servers in a dúplex pair.

How does an Avaya Workplace client learn about a Survivability Server assigned in the User Profile?. A) An Avaya Workplace client receives this information from the System Manager (SMGR) via Data Replication Senvice (DRS). B) An Avaya Workplace client receives this information from the Session Manager (SM) via PPM. C) The Survivability Server detalls must be manually configured in the Avaya Workplace client. D) An Avaya Workplace client receives this information from the AADS via the Dynamic Configuration.

When the Branch Session Manager (BSM) sends OPTIONS requests to the Survivable Communication Manager (CM) when the Main Communication Manager and the Core Session Managers are in a working condition and reachable, what would be the SIP response?. A) 488 Not Acceptable Here. B) 200 OK. C) 503 Service Unavallable (No Media Resources). D) 503 Service Unavallable (LSP is inactive).

Which statement regarding the license for the Avaya Aura Web Gateway (AAWG) is true?. A) A non-virtualized AAWG has an embedded local WebLM server where the license file is installed. B) Use of AAWG is an entitlement included with a Session Manager (SM) license, and therefore AAWG does not require a separat license. C) The AAWG license file can be installed on the WebLM server embedded in the System Manager (SMGR), or on a standalone WebLM server. D) Each AAWG deployed requires Its own license file.

A user is calling the helpdesk to ask how the Avaya Spaces Calling extension can be added, to allow calling from their Avaya Spaces session. How should the helpdesk engineer respond?. A) Make sure your PC has Internet access, use your preferred browser to navigate to www.suppot.avaya.com, and then find the Avaya Spaces Calling app, download and install it. B) Use your preferred browser to navigate to the AAWG web interface, log in with your company credentials, and use the hyperlink at the bottom-right corner of the home page to download and install Avaya Spaces Calling. C) Make sure your PC has Internet access, use the Google Chrome browser to open the Chrome Web Store, search for the Avaya Spaces Calling extension, and add this extension to the Chrome browser. D) Make sure your PC has internet access, and use the Microsoft Store to find, download and install the Avaya Spaces Calling app.

which statement about the Avaya Aura media server (AAMS) associated with the Avaya Aura web Gateway AAWG is true ?. a) when a call is established using Avaya spaces calling the AAMS processes the Media until the Avaya communication manager shuffles the call. b) when Avaya spaces calling is used by a user to make a call to another user the media path is always direct bypassing the AAMS. c) the AAMS is only used for calls to Avaya spaces calling from outside the corporate Network. d) for a call established to or from Avaya spaces calling the AAMS processes the media for the duration of the call.

Refer to exhibit When configuring a reverse proxy for the Avaya Aura Web Gateway (AAWG) in the Avaya Session Border Controller for Enterprise (ASBCE), what is the significance of using port 8444 in the Server Address field?. a)it is the default listen port on the AAWG used for all webRTC call signaling. b)this port should match the front-end port from external access on the AAWg so that AAWG sends the media path for external calls through the ASBCE STUN/TURN server. c)it's the default port used for ICE/STUN/TURN messages it's on the AAWG. d)it's used for remote access to the AAWG web interface.

I field engineer deployed Avaya Aura web Gateway (AAWG) in a virtualized environment (VE) After the successful deployment of the virtual machine, what is the next step?. a)Add AAWG as a managed element is system manager (SMGR) and configure pairing with session manager (SM). b)run the AAWG installation utility by entering the app install command on the AAWG CLI. c) assume there is nothing to do because AAWG is ready to go with the details provided during deployment. d)enroll AAWG with System Manager (SMGR) by running the initTM command on the AAWG CLI.

To allow communication between the Avaya Aura device Services (AADS) and the Avaya Aura Web Gateway (AAWG), which three configuration steps are required (choose three). a)on the AADS, the server-to-server interface Port needs to be open using the shell script. b)the AADS FQDN client interface port and server-to-server interface Port needs to be configured on the AAWG. c)the AAWG FQDN needs to be configured as trusted host on the AADS. d)the AADS FQDN needs to be configured as trust host on the AAWG. e)on the AAWG the server-to-server interface port needs to be opened using a shell script.

A user has been informed by the attendant that a call for them has been parked using the Avaya call Park and Page running on the breeze platform How can the user retrieve the parked call?. a)by dealing the system-wide pilot extensión. b)by dialing the answer back feature access code. c)by pressing the called park bottom of their endpoint. d)by dealing the park station used to park the call.

which configuration mechanism allows an administered group of snap-ins to be invoked in a specific order?. a)Cluster Administration. b)service profile Administration. c)Vector Administration. d)implicit user profile Administration.

which two key configuration steps are needed to associate the Avaya call park and page snap-in to an Avaya Workplace client? (choose two). a)add an implicit user profile. b)add a SIP entity for the call Park and Page snap-in. c)add a service profile. d)configure a call park activation and deactivation feature code.

to provide a customized music, prompts and/or errors announcements when using the avaya call park and page, which Avaya application server is used?. a)Avaya security mode. b)Avaya Breeze. c)Avaya Aura communication manager (CM). d)Avaya Aura media server (MS).

when configuring the Avaya call park and page, what is the correct format for the call park extension group attribute?. a)4000/1(3):4001-4002. b)3(1):4000,4001,4002. c)(3)400x. d)3/4000-4002.

you need to connect the Avaya Breeze platform that is hosting an Avaya Aura presence services snap-in with the Avaya Aura session manager (SM) Choose three: a)TCP Port 5060 and UDP Port 5060. b)UDP Port 5060 and TLS port 5061. c)TLS ports 5061 and TLS 5062. d)one entity link from SM to Avaya Aura presence Services snap-in. e)one entity link from SM to Avaya Breeze.

from which interface are the presence related messages delivered to avaya workplace client. a)from the Avaya Breeze Management interface. b)from communication manager (CM). c)from the Avaya session manager (SM) security module. d)from the Avaya Breeze security module.

which statement about SIP entities being required to support Avaya Aura presence Services hosted on a single Avaya Breeze server is true?. a)two SIP entities are required, using the same Avaya Breeze server security module IP address. One SIP entity should have the type Avaya Breeze selected and the other should have the type of other selected. b)two SIP entities are required, using the same Avaya Breeze server security module IP address. One SIP entity should have the type Avaya Breeze selected and the other should have the type of Presence services selected. c)Only One SIP entity is required using the Avaya Breeze server security module IP address this SIP entity should have the type Avaya Breeze selected. d)Only One SIP entity is required using the Avaya Breeze server security module IP address this SIP entity should have the type Presence Services Selected.

which Avaya Breeze cluster type is required to install the Avaya Aura presence services to snap-in?. a)IM_Presence. b)General Purpose. c)Core Platform. d)Presence Services.

which three statements about Avaya breeze are true? (Choose three). a)it allows application developers to quick add new compatibilities to their Avaya Solutions. b)it is used by Avaya, partner, and third-party Developers. c)it does not require a license. d)it was formerly called collaboration pod. e)it is a development platform that enables rapid development for application Targeted to meet a customer's communication needs.

refer to the exhibit you are creating an SIP entity for Avaya Breeze hosting the Avaya Aura presence services in system manager > elements > routing > SIP entities what must be entered in the field labeled IP address?. a)Avaya Breeze server management IP address or FQDN. b)Avaya Breeze server security module IP address or FQDN. c)Core Platform cluster IP Adres sor FQDN. d)General purpose Clust4er IP Adres sor FQDN.

which statement about Avaya Presence Services port management is true?. a)it enables users Multimedia Services via a standard web-browser. b)it enables filtering Undesired messages on a user basis. c)it collects port usage statistics from each presence-compatible endpoint across the network. d)port 5222 is used by endpoints like Avaya One-X Communicators to establish client-to-server xmpp connections, while Port 5269 is used for connections with the third-party xmpp servers.

which statement about the Avaya aura Presence Services snap-in licensing is true?. a)single license file for all users is required. b)user licenses are an entitlement as part of the Avaya Aura Suite licensing. c)a per-user license is an entitlement on its own. d)an instance license is required.