Topic 2, A. Datum
Overview
General Overview
A.Datum is an international logistic company that has 12.000 employees. The company has a sales department, a marketing department, a human resources department.
a finance department, and an operations department.
Physical Locations
A.Datum has four offices located throughout the world.
A.Datum has two data centers. The data centers are located in New York and Toronto. All communications are routed through the New York and Toronto data centers.
The number of users in each office is shown in the following table:
Existing Environment
Active Directory environment
A.Datum has an Active Directory Domain Services (AD DS) forest named adatum.com. The forest contains a single domain. All domain controllers run Windows Server 2012 R2.
Each office containsredundant domain controllers. Each office is configured as an AD DS site.
Lync Server environment
A.Datum has a Lync Server 2013 infrastructure that contains Two pools. There is one pool in the New York data center and one pool in the Toronto data center. These pools are in pairing relationship for site resiliency.
In preparation for the Skype for Business Server update, you install the required prerequisite components on all Lync Server 2013 servers.
There is a dedicated management computer named NYCMGMT1 in the New York office that has Lync Server 2013 administrative tools installed.
All company users are evenly distributed across the New York and Toronto pools.
The servers are configured as shown in the following tables:
Both data centers have acomplete set of redundant load balancers and reverse proxies.
Internal and external URLS
The Lync Server 2013 Web Services and Office Web Apps Server 2013 farm for both New York and Toronto pools use the following internal and external URLs:
ReverseProxy Rules
You use the following reverse proxy rules to publish external access for the New York pool:
Unused servers
The Sydney and Stockholm offices each have a server room.
The following is the list of unused servers in the server rooms:
SIPdomain and firewall
The SIP domain is adatum.com
A.Datum has a Microsoft Office 365 subscription. The company recently completed an upgrade to Exchange Server 2013. In-Place hold is not in use.
A.Datum is federated with Fabrikam. Inc.
The configuration information is shown below:
Firewall configuration on the edge firewall facing to the Internet from both perimeter network in New York and Toronto allows connection to Any IP addresses in the Internet on port TCP/5061.
Problem statements
All external users that are homed in the New York pool reported that they have issues with uploading PowerPoint presentations during conferences.
The PowerPoint upload issue is affecting all internal users that are homed in the Toronto pool.
Users in the Sydney office report poor audio and video quality during conferences. Desktop sharing during conferences also exhibits poor performance.
Business requirements
The company has identified the following business requirements:
Technical requirements
The company has identified the following technical requirements:
Fabrikam, Inc, changes their Access Edge fully qualified domain name (FQDN). This resulted in a broken federation relationship. You need to correct the issue and reduce further administrative overhead.
What should you do?
A. Modify the SRV record_sipfederationtls._tcp.adatum.com to point to the new Fabrikam Access Edge FQDN on port TCP/5061.
B. Modify the federation configuration to enable Open Federation.
C. Allow outbound connection on port TCP/5061 from Edge Server to any IP address on the Internet.
D. Modify the SRV record_sipfederationtls._tcp.wideworldimporters.com to point to the new Fabrikam Access Edge FQDN on port TCP/5061.
Answer: B
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