CSCI 460: Computer Networks and Communications Final Exam: Open Book Location: Online Total Marks: 100 Duration: 1.5 hours, starting from 1:00PM, December 16, 2020. You will be able to start the exam any time after 1:00PM, December 16, 2020 within 24 hours. You will need to complete the exam before 1:00PM, December 17, 2020. Exam Mode and Question Types 1. Exam will be conducted through VIULearn Quizzes System. 2. The exam will have true/false, multiple choice, multi-select, short answer, and written response questions on computer networks and communications topics listed below. 3. 50% questions will be from Midterm 1 and Midterm 2 topics. 4. 50% questions will be from the rest of the topics. Topics 1. Introduction a. What is computer network? b. Types of networks i. Wired and wireless ii. Local Area Network iii. Wide Area Network iv. Internetworks (Internet) c. Network Protocols and Layers d. Network Reference Models i. OSI Reference Model ii. TCP/IP Reference Model 2. Network Devices a. Network Interface Card (NIC) b. Hub c. Bridge d. Switch e. Wireless Access Point (WAP) f. Router g. Firewall 3. Network Topologies a. Bus b. Star c. Ring d. Hierarchical e. Point-to-point f. Mesh g. Hybrid 4. Physical Layer a. Wired Transmission i. Twisted Pair ii. Coaxial Cable iii. Fiber Optics b. Wireless Transmission i. Frequency Spectrum ii. Radio Transmission iii. Microwave Transmission c. Communication Satellites i. Geostationary Satellites ii. Medium-Earth Orbit Satellites iii. Low-Earth Orbit Satellites d. Public Switched Telephone Network i. Modems ii. Digital Subscriber Lines iii. Fiber to Home iv. Circuit Switching, Message Switching, and Packet Switching e. Cable Networks i. Cable Modems 5. Data Link Layer a. Framing b. Error Control c. Flow Control d. Error-Correcting Code i. Hamming Distance ii. Hamming Code e. Error-Detecting Code i. Parity ii. Interleaved Parity iii. CRC f. Data Link Layer Protocols for Flow Control i. Stop and Wait Protocol ii. Sliding Window Protocol iii. 1-bit Sliding Window Protocol iv. Sliding Window Protocol with Go Back N v. Sliding Window Protocol with Selective Repeat 6. Medium Access Control Sublayer a. Channel Allocation Problem b. Multiple Access Protocols i. Pure and Slotted ALOHA ii. Carrier Sense Multiple Access (CSMA) iii. CSMA with Collision Detection (CSMA/CD) iv. Binary Exponential Backoff Algorithm in CSMA/CD v. CSMA with Collision Avoidance (CSMA/CA) for Wireless c. Classic Ethernet d. Switched and Gigabit Ethernet 7. Network Layer a. Store and Forward Packet Switching b. Datagrams c. Routers d. Routing Algorithms i. Shortest Path Routing ii. Distance Vector Routing iii. Link State Routing e. Internet Protocol (IP) i. IP Packet ii. IP Address, Subnet, and CIDR iii. Network Address Translation (NAT) iv. Address Resolution Protocol (ARP) v. Dynamic Host Configuration Protocol (DHCP) vi. Internet Control Message Protocol (ICMP) vii. Routing Information Protocol (RIP) viii. Open Shortest Path First Protocol (OSPF) 8. Transport Layer a. User Datagram Protocol (UDP) b. Transport Control Protocol (TCP) i. TCP Segment Header ii. TCP Connection iii. TCP Flow Control iv. TCP Congestion Control v. TCP Retransmission Timer 9. Application Layer a. DNS i. Name Space ii. Resource Record iii. DNS Server b. HTTP i. URL ii. HTML iii. HTTP Methods iv. HTTP Headers c. FTP i. Control and Data Connections ii. Commands and Replies 10. Wireshark packet tracing and analysing covered in Lab 1, Lab2, Lab3, Lab4, and Lab5. 11. POSIX system calls and the library functions covered in Project 1 and Project2.
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