ITEC_357_Review_1

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Towson University *

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357

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Computer Science

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Dec 6, 2023

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ITEC 357 Review #1 Name: _________________________________ 1. Use the diagram to answer the following nine questions. (4 points each question — 36 total) a. How many subnets (networks) are in the topology? _______ b. Assign the g0/0/0 interface on R1 the first available IP address on the network: ________.________.________.________ c. Assign the g0/0/0 interface on R2 the first available IP address on the network: ________.________.________.________ d. Assign the g0/0/1 interface on R1 the first available IP address on the network: ________.________.________.________ e. Assign the g0/0/1 interface on R2 the last available IP address on the network: ________.________.________.________ f. Assign PC1 the last available IP address on the subnet: ________.________.________.________ g. Assign PC2 the last available IP address on the subnet: ________.________.________.________ h. What is the default gateway address for PC3? ________.________.________.________ i. How many total IP addresses are available on each network? ________

2. List 3 characteristics of a Peer-to-Peer network: (3 points) 3. List 3 characteristics of a client-server network: (3 points) 4. What layer of the OSI model does HTTP function? (3 points) 5. Explain the primary responsibility of the Network Layer. (3 points) 6. Describe the Star topology. (3 points) 7. What name is given to the process of adding a header to the data inherited from the layer above? (3 points) 8. What is the commonly used IPv4 loopback address? (3 points) _______.________.________.________ 9. List any two services and the associated port numbers that you know. (4 points each)

10. Describe the concept of static routing. (4 points) 11. Describe the concept of dynamic routing. (4 points) 12. What is the following device? (3 points) 13. What is the following device? (3 points) 14. What are the MSDS sheets? (3 points)

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15. Answer the following questions based on the following output: a. What is the block ID? (3 points) b. What is the device ID? (3 points) c. Assuming the default subnet mask is configured on the DNS serves, what network are those DNS servers on? (3 points) 16. What does the block ID identify? (3 points) 17. What does the device ID identify? (3 points)

18. Complete the following based on the 7 layers of the OSI model: (42 points, 2 each block) Layer number Layer Name Main purpose PDU name 7 (top) 6 5 4 3 2 1 (bottom)

19. Use the diagram to answer the following three questions. (3 points each question) a. Provide the type or name of each of the cables in the diagram. i. ____________________________________ ii. ____________________________________ iii. ____________________________________ 20. Which type of cable is resistant to EMI and RFI? (3 points) 21. Describe the difference between UTP and STP cable: (3 points)

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22. Given the address of 194.110.10.0 /24 answer the following: (3 points each) a) Class: __________ b) CIDR: __________ c) Total subnets: __________ d) Subnet mask is decimal: __________.__________.__________.__________ e) Network address: __________.__________.__________.__________ f) First available IP address: __________.__________.__________.__________ g) Last available IP address: __________.__________.__________.__________ h) Broadcast address: __________.__________.__________.__________ i) Hosts available: __________ j) The given address of 194.110.10.0 /24 address is which of the following?  a network address  a broadcast address  a host address  a public address  a private address 23. What is a broadcast Domain? (3 points) 24. What is a collision Domain? (3 points) 25. What is the purpose of the sliding-window in the TCP header? (3 points)

26. What is the purpose of a routing protocol? (3 points) 27. Explain the difference between a static route and a dynamic routing protocol: (4 points) 28. What is the purpose of the Administrative Distance? (3 points) 29. Differentiate between a Broadcast Domain and a Collision Domain: (4 points) 30. Differentiate between RIP and EIGRP as routing protocols: (4 points) 31. List the four steps of DHCPv4 in order. (4 points) 32. What is the purpose of DNS, and how does it work? (4 points)

33. What is the APIPA range? (3 points) 34. List the 3 RFC1918 IP address ranges: (3 points) 35. What is the difference between TDM and WDM? (3 points) 36. Compare and Contrast TCP and UDP: (4 points)

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37. Use the diagram to answer the following two questions: (2 points each) a. How many subnets are in the network? ________ b. What is the correct value for the default gateway for PC-E? ________.________.________.________ 38. Directions: Complete the table for each given IP address. The subnet make is provided in bold (20 points--2 point per blank) 198.168.10.100 255.255.255.0 Class: _____ CIDR: / _____ Subnet Mask: ______.______.______.______ Network: ______.______.______.______ Total Subnets: _____ Hosts per subnet: __________ This is address is a:  host  network  broadcast  public  private First Host: ______.______.______.______ Last Host: ______.______.______.______ Broadcast: ______.______.______.______

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