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
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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)
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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
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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.
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? 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
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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
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Good luck and good bye
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