Vance Campbell NT1210 – Intro to Networking Lab 3.1 to 3.4 3.1 1. Why would a three-layer model of communication that has the layers physical‚ network‚ and application be insufficient to adequately describe network communication? A. Because there is no transport or application layer. 2. What is the history of the OSI reference model? How did it come about and why was it created? Use your textbook and Internet research to support your answer. A. It was created to standardize the way
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Roman Katoliko NT1210 CHAPTER 3: Building TCP/IP Networks Lab 3.1: Network Reference Models Ex 3.1.1 What would happen if wireless devices were not governed by the Wi-Fi Alliance and each vendor had its own standards and protocol? What impact would this have on your personal life or business communications? If each vendor had their own standards and protocols‚ we would have a harder time making devices that we use every day to inter-operate. Imagine buying specific BRAND of ROUTER for
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NT1210 Quiz 1 1. How many bits are in a byte? A. 8 B. 4 C. 2 D. 1 2. Electronic devices today use what numbering system? A. Decimal B. Octal C. Binary D. Electronic 3. Convert this decimal number to binary: 97 A. 01100001 B. 01100000 C. 10000001 D. 10010001 4. Convert this binary number to decimal: 00010000 A. 32 B. 24 C. 12 D. 16 5. Unlike earlier telecom networks‚ most modern networks are _____ end-to-end. A. cellular B. analog C. data D. digital 6. What is the typical
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Final Exam Review Using Table 10-1‚ review default port numbers used commonly with TCP and UDP purposes HTTP TCP Port 80 – used by web browsers and web servers Telnet TCP Port 23 – used for terminal emulation SSH TCP Port 22 – used for secure terminal emulation FTP TCP Port 20‚ 21 – used for file transfer DNS UDP Port 53 – used for name resolution SMTP TCP Port 25 – used to send and receive email POP3 TCP Port 110 – another email protocol IMAP TCP Port 143 – another email protocol SSL TCP
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Answer These Questions 1. Which of the following types of LANs was a competitor of Ethernet LANs from the earliest days of wired LANs in the 1980s and into the 1990s? a. ATM b. FDDI c. Token Ring d. Metro Ethernet 3. Which of the following speeds are not defined as a speed by some Ethernet LAN standard? a. 1 Gbps b. 4 Gbps c. 10 Gbps d. 40 Gbps 5. A campus LAN drawing shows hundreds of user devices cabled to LAN switches on various floors of a building. The per-floor edge switches
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A.An actuator arm 9. A student writes a report using a word processor‚ saving the repot in a file called my_report. The student stores the file on his laptop hard disk drive. Later‚ he pasts the file on a file-sharing site for a classmate to review the report. Then‚ he copies an updated version of the file to a flash drive to submit it to his instructor. Which of the following are some of the important features supplied by files as defined by a computer OS? A.Keeps data in order B. Provides
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In this week’s seminar I learned about the classroom guidelines as well as the core components of the criminal justice system. I reviewed the powerpoint presentation in order to understand more clearly the discussion. American criminal justice. Core components 1. Police 2. Courts 3. Corrections How this 3 work together and how they need money to run and they get their money from the tax payers. 1) Out of 1000 serious crimes 500 are unreported crimes‚ out of 500 crimes reported to the police
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NT1210 Introduction to Networking Unit 2: Chapter 2‚ Introduction to Computer Networking 1 Objectives Identify the major needs and stakeholders for computer networks and network applications. Identify the classifications of networks and how they are applied to various types of enterprises. Explain the functionality and use of typical network protocols. Use preferred techniques and necessary tools to troubleshoot common network problems. 2 Objectives Define a computer network. Identify
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Nt1210 LAB3 3.1: Networking models Review: The two networking models are TCP/IP which had 5 different layers and the OSI model which has 7 layers. They mainly incorporate the same layers and the only difference is that the TCP/IP layer combines layers 5‚ 6 and 7 all into layer 5. Both models are along the same line of information and both explain how a network moves data. 3.2: OSI reference model: The OSI model includes two more layers that the TCP/IP layer already had but is constructed in
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Psychology Core Review Questions Quiz #1 Spring 2013 □ To get the most from this study guide‚ write out both the questions and answers‚ then “test yourself” by reading each question and reciting answering from memory. Allow yourself enough time to complete the questions AND to study the answers. □ For 3% extra credit (added to Course Grade)‚ answer each of the questions and submit it on the day of the quiz. Do not submit unfinished work. Incomplete work with unanswered questions will be penalized
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