1. What is the difference between layer 2 and layer 3 in the OSI model? 2. What is the difference between a hub, switch, and router? 3. What is a VLAN? 4. What is the difference between TCP and UDP? 5. How do you distinguish a DNS problem from a network problem? 6. What is a runt, Giant, and collision? 7. What is a broadcast storm? 8. What is the purpose of VRRP? 9. What is a VPN? 10. What information about a peer would I need to establish a VPN? 11. What is a full-class C in CIDR notation? 12. What is a default route? 13. What is a metric? 14. What is a MAC address? 15. What is ARP/RARP? 16. Describe a TCP connection sequence 17. What is MTU? 18. What other TCP setting can you modify besides MTU to shorten packets?2 8583
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2. Create your own deﬁnition of a system. Based on the “system” deﬁnitions a. Identify your viewpoint of shortcomings in the deﬁnitions. b. Provide rationale as to why you believe that your deﬁnition overcomes those shortcomings. c. From an historical perspective, identify three precedented systems that were replaced by unprecedented systems.
state the role of cost accounting in large scale industry
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