Computer Science > EXAM > IST 233 Final Exam | 70 Questions with 100% Correct Answers | Updated & Verified | 26 Pages (All)

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IST 233 Final Exam | 70 Questions with 100% Correct Answers | Updated & Verified | 26 Pages

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8.1.1 What do we mean when we say Layer 2 protocols are the delivery vehicles for IP packets? - ✔✔Layer 2 protocols like Ethernet and Wi-Fi provide fast packet transmission across a single netwo ... rk 8.1.2 Provide examples of TCP/IP protocols operating at Layer 3; at layer 4; and at layer 5/7. - ✔✔•L3: -IP: provides best effort packet delivery across an internetwork -CMP: used to exchange messages between hosts -ARP: used to associate MAC addresses and IP addresses •L4: -TCP: provides reliable data delivery between applications and provides flow control -UDP: provides best-effort data delivery between applications •L5/7: -HTTP: provides web applications services -SMTP: e-mail services -DNS: converts symbolic host names to IP addresses -Dynamic Routing Protocol: allows routers to communicate route changes 8.1.3 Describe how TCP/IP addresses the following network/system attributes: high-availability; scalability; interoperability; securabilty; and manageability. - ✔✔•High Availability: resiliency is enhanced using active mesh router topology •Scalability: hierarchical addressing provides greater efficiency •Interoperability: IP interconnects different L2 networks, it provides a common language for otherwise incompatible networks [Show More]

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