What is the function of the core tier in a traditional three tier Layer 2 network environment?

Your customer is deploying a new unified communications (UC) solution and business managers want to
ensure that network users adopt and use the new solution.
Which two statements describe how you would meet the business managers’ objectives? (Choose two.)

You are examining the customer’s IT organization and its responsibilities to determine how it will be impacted
by your design.
In this scenario, which three business functions are typically provided? (Choose three.)

Which statement describes a data center?

You are asked to examine the infrastructure requirements needed to provision a new network build in support
of a customer who wants to take advantage of their service provider’s MPLS/VPN offering.
Which three considerations would be relevant to this work? (Choose three.)

What are three considerations for network capacity planning? (Choose three.)

You have an access switch that must connect to an aggregation switch. The two switches are 2,600 feet (800
meters) apart.
Which type of media would be used to connect the Layer 2 switches?

In a bring-your-own-device deployment, where would non-authenticated users be placed?

Your customer frequently hosts visitors who are not employees of the organization. The visitors typically
request Internet access but do not require access to corporate resources. Network security is the customer’s
primary concern.
Which solution should you include in your design proposal?

Your customer is a growing enterprise with limited capital to invest in network expansions. They have noticed
performance problems in their campus LAN, which have been traced back to a high oversubscription ratio
between the aggregation and core layers. The customer’s aggregation and core switches are connected using
a single 1GbE connection.Which solution improves network performance?