Study tips 642-873

Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration?

Which three of these are elements of the Cisco Unified Wireless Network architecture? (Choose three)

for data based on a dual (counter-rotating) ring topology?

Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual ring topology?

Please point out which Layer 2 access designs does not support VLAN extensions?

Which two of these Metro Internet services map to E-LAN services that are defined by the MEF?

Which statement correctly describes a situation in which VRFs are used in the data center?

Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology?

What is the primary issue when scaling VPNs?

Which two of these are advantages of placing the VPN device in the DMZ on the firewall? (Choose