IT321 Final Exam Paper

IT321 Final Exam Review Guide A review guide is just that, a guide. It is not a blueprint of what you will be tested on. This guide will consist of key points that have a very high probability of being on the quiz/test/exam that you will see. I feel review guides are important because students new to the topic may waste time and study the wrong materials. This normally leads to frustration and concepts not covered that are deemed important in not only passing this course, but what would/could be asked of the student in a real world situation. 1. How many channels can a DS-3 circuit carry? Twenty-eight 1,544 Mbps time slots 2. What are the common rates used in both the North American Hierarchy and SONET? (Please research three.)
(T or F) A mesh network generally provides redundant transmission paths. True 36. (T or F) Broadcast routing enables a single node to send a copy of a packet to a predetermined subset of destination network nodes. False 37 (T or F) In a properly operating packet network, all of the packets from a single message will arrive at the destination node at the same time. False 38. (T or F) MPLS (Multiprotocol Label Switching)relies on a variable-length label to configure forwarding of datagrams between MPLS-compliant routers. False – the label is fixed-length 39. (T or F) Asynchronous transfer mode is designed to provide a slow-speed version of packet switching for organizations that have only limited amounts of data to send. False – high speed – tons of data 40. (T or F) Broadcast routing is used in most networks so that users don’t need to remember other users’ network addresses. False 41. How is response time measured when communicating from one device to another? Response time is the elapsed time between an inquiry and response. 42. (T or F) Centralized routing requires that a central table be kept of all terminals connected to the