1. Be familiar with the layers of the OSI model and what each layer involves.

2. What is the difference between a switch and a router?

3. What is the difference between firmware and hardware?

4. Understand what an API is and the role it plays in an OS call.

5. Have an overview of topologies of networks; different types and what distinguishes them from each other.

6. Understand the concept of encapsulation.

7. What are some popular web server applications?

8. Understand the types of fiber optic and twisted pair cabling and features of each including bend ratios and effects on signal.

9. Look at the system life cycle.

10. Understand the concept of cross talk and how to prevent it.

11. Know what a Service Level Agreement is and what it defines for customer and provider.

12. What information is contained in a MAC address?

13. What denotes a loopback IP address?

14. Mail protocols, characteristics of each.

15. How do you verify a TCP/IP is correctly configured and communicating with a network?

16. How a router creates a broadcast domain boundary.

17. Understand the DNS hierarchy.

18. IP protocol features.

19. What makes TCP a reliable delivery protocol?

20. Definition of routing protocol convergence time.

21. What happens when theres a network collision?

22. What is a wavelength mismatch?

23. Capacity of UTP cable types.

24. Term for noise that can disrupt network signal.

25. What is attenuation?

26. Client to site and site to site VPN models.

27. What is PPP and features that define it.

28. The different cloud service models and what differentiates them from one another.

29. Hypervisor types and characteristics/examples of each.

30. Advantages/disadvantages of virtualization.

31. Telnet what it is, what it does and doesnt do.

32. What constitutes being highly available for a server?

33. What is a network TAP and what does it do?

34. The definition of clustering.

35. IF a network has 10 usable bits for the host, how many usable host addresses are available?

36. What is the term for an interface that handles multiple VLANs?

37. Look at the various IEEE standards and their purposes.

38. Understand the similarities and differences between IPv4 and IPv6 as well as factors in adoption. Is IPv6 classful or classless? Why?

39. What is SIP?