1COMP 3331/9331: Computer Networks and Applications Final Exam Review T1, 2021 2Exam Specifics Tuesday, 24th August from 09:45 am to 12:00 noon (Sydney time) 2 hours + 10 minutes reading time Marks: 40 marks (towards your final mark) Answer ALL questions, marks for each question will be noted Hurdle: must score at least 40% (16 marks) on the exam to pass the course Online Inspera Exam – same platform as mid-term exam Open book, notes. You may use calculators You may join the Zoom Meeting if you have questions or technical issues Ask any questions you may have in the meeting chat DO NOT turn on your microphone Further details: Final Exam Page on Website 3Exam Specifics Open book, but by attempting this exam, you AGREE to the following statement: “I declare that all of the work submitted for this exam is my own work, completed without assistance from anyone else.” Please make sure that you are aware of the UNSW policies and expectations for student academic integrity: http://student.unsw.edu.au/conduct Special Consideration and Supplementary Exam Make sure you read carefully the updated special consideration rules regarding on-line exams available from the official UNSW site: http://student.unsw.edu.au/special-consideration A supplementary exam can only be offered if you have a valid special consideration application (be aware of the Fit-to-Sit policy of UNSW). Equitable Learning Services (ELS) Students with these requirements will receive information with specifics about their exam arrangements What is and what isn’t on exam No direct question on any content covered in the Introduction slide set There may be question(s) on computation of throughput, delay, etc. but in different context (e.g., TCP) Application Layer No direct questions on basics, HTTP, DNS, E-mail – the exception being that you may be asked a question that examines the synthesis of these protocols (see A Day in the Life of a Web Request in the Link Layer slide sets) P2P, BitTorrent, DHT – Completely excluded 4 What is and what isn’t on exam Transport Layer Everything covered in lectures is on the exam Sockets (multiplexing/demultiplexing), UDP, Reliable Data Transfer Principles, TCP, Congestion Control Excluded: Complex checksum computations Network Layer Data Plane: everything covered in lectures is on the exam Overview, IP, Addressing, NAT Excluded: IPv6, What’s inside a router, SDN Control Plane: everything covered in lectures is on the exam Overview, link-state routing, distance vector routing, ICMP Excluded: hierarchical routing, specific routing protocols (BGP, OSPF, RIP) 5 What is and what isn’t on exam Link Layer Everything covered in lectures is on the exam Overview, Error correction detection, multiple access protocols, switched LAN, MAC addressing, ARP, Ethernet, Switches Excluded: VLAN, MPLS, Data Centre Networking Synthesis of protocol layers (see – A Day in the Life of a Web Request in Week 9 Slides) Wireless Networks Basics, wireless links and characteristics, IEEE 802.11 LAN Security Basics, Symmetric and Asymmetric Cryptography, Message Integrity, Authentication, Securing email 6 Other Exclusions No programming related questions No questions that ask you to use the tools from the lab exercises such as traceroute, ping, dig, Wireshark, etc. 7 A limited number of multiple-choice questions A few short answer questions 2-3 sentences at most Some questions (possibly multi-part) that may require more elaborate explanations Show intermediate work/steps if relevant Not a memory (or cut-paste) test, questions will examine your understanding of concepts Tests your critical analysis skills Tests whether you can apply the concepts in a (new) practical context In many ways like the mid-term exam 8 Type of Questions Preparation How to prepare Read and thoroughly understand all content You shouldn’t be reading a concept for the first time during the exam !! Practice, Practice, Practice Go through all the homework questions, quizzes, etc. DO NOT simply read the solutions, attempt to solve them before looking at solutions Practice Final Exam is posted on Final Exam Page Familiarizes you with the exam environment (Inspera) Familiarizes you with the type of questions Take it under similar conditions as when you sit for the actual exam You can ONLY attempt it once Don’t panic and get stressed if you cannot answer a question, move on Sleep well the night before and grab some food/water before the exam Quiet and familiar/comfortable room, good Internet 9 Good luck and good bye 10
