A computer is connected to the network through a NIC， which has a unique assignment that is called the Ethernet MAC address. Which layer of the OSI model does the MAC address use to communicate with the network？（）

Which three are components of the Cisco SMARTnet service？ （）

Which three WAN technologies does the Cisco SR 500 Family support？（）

Address translation is another component of Layer 3 design. Which two types of address translation allow an IP Address to be duplicated？ （）

What are two ways with which a small business can keep a wireless business separate and secure from a wireless guest access network？ （） 

Bridges and switches are Layer 2 devices that provide the same basic functionality but that also have some differences. Which two traits apply to switches only？（）

What is an important difference between the Cisco Small Business Support Center and the Cisco Small Business Support Community？（）

Which two components are unique to controller-based wireless installations？ （）

IP routing protocols， such as OSPF and Enhanced EIGRP， are used primarily in network designs that contain entry and exit points to the network from service providers. What is a common trait of IP routing  protocols？（）  

What is the name of the Cisco industry-leading small business unified communications solution？ （）