COMP 1103 - FINAL EXAM QUESTIONS ANSWERED LATEST UPDATE 2026

COMP 1103 - FINAL EXAM QUESTIONS ANSWERED LATEST UPDATE 2026 Email vs text - Answers Email- asynchronous communication (don't know if person on other end has received it), formal Text - meant to be informal, synchronous communication (real time) Ways that consumers have become producers (Web 2.0) - Answers Blogs - Short for weblog - Kind of like a personal online diary - Relates to Web 2.0 Podcast - Pre-recorded (usually) audio and video Webcast - Live feed in contrast to podcast E-commerce - Answers B2B (business to business) - Ex. Grainger, Amazon Business, Sales Force Comm., Shopify B2C (business to consumer) - Ex. Amazon C2C (consumer to consumer) - Ex. Kijiji, Marketplace Darknet - Answers Considered "dark" because accessible networks are not indexed by regular searches Location of a lot of illegal activity network - Answers the accumulation of the connections between devices Internet - Answers a network of networks Node - Answers any device connected to a network - could be a phone, computer, router Near Field Communications (NFC) - Answers Electric current can produce a magnetic field, the magnetic field can induce an electric current - two coils are coupled (tuned to resonate at the same frequency) - power in one coil induces a magnetic field - second coil picks up the magnetic field and induces enough electrical power to power up the chip, which can send back programmed signals - used for identification, authentication, data storage, and business transactions with minimal human intervention Personal Area Network (PAN) - Answers Network used for communication among devices close to one person, such as smartphones, notebooks, and tablets, using wireless technologies like Bluetooth and WiFi Body Area Network (BAN) - Answers A network that connects devices on or embedded inside the body - often consisting of several miniaturized body sensor units (BSU's) together with a single body central unit (BCU) - can be "powered" by motion, pressure, salinity differences Local Area Network (LAN) - Answers networks in which the nodes are located within a small geographic area Metropolitan area network (MAN) - Answers Network designed to provide access to a specific geographic area, i.e. ShawOpen in Calgary Wide Area Network (WAN) - Answers A network that spans a large physical distance - internet is the largest WAN - a WAN is actually a collection of LAN's, where each LAN is a node of the larger WAN Intranet vs Extranet - Answers Intranet If one has authorized access, one can store content, access content etc. Extranet Access of intranet is shared with other people who you believe should have access to it Client Server Organization - Answers 1 server to serve all of the client computers (us) Different kinds of servers i.e. application server, data server, web server Advantages: - Centralized server makes updating the entire network much easier - Network is very stable Disadvantages: - If the central server goes down, the entire network goes down; thus, it requires a lot of maintenance and has a high cost Peer to Peer (P2P) Organization - Answers No clients or servers, all nodes are interconnected "peers" Example is torrenting i.e. BitTorrent Files are downloaded from other nodes who already have it, rather than a centralized server Advantages: - Hard to target and destroy Disadvantages - harder to backup as data is in many locations - multiple versions of the same file Network is managed by Network Administrators which authorize and authenticate users - Administrators manage updates etc. DSL (digital subscriber line) - Answers A type of wired broadband connection (telephone) Unshielded Twisted Pair Cables (UTP) - thin, but fragile - limited protection from interference - inexpensive Modem - Answers Hardware that translates the broadband signal so it can be transmitted by the network - Translates to get transmitted - Cable - DSL Transmission Control Protocol (TCP) - Answers - Enables two hosts to establish a connection and exchange streams of data. - guarantees delivery of data and also guarantees that packets will be delivered in the same order in which they were sent. Internet Protocol (IP) - Answers - the communications protocol for addressing the devices connected to a network - specifying the format for addresses and units of transmitted data (packets) Packets - Answers - part of TCP - Communications are broken up into pieces (packets) that separately and independently flow between network nodes Router - Answers A hardware device that transfers packets of data between different types of networks - Can be wired or wireless - Brings in signal and routes it to other devices Internet of Things (IoT) - Answers A system of many (100 billions?) of small networked devices, embedded into day-to-day items. Why? To coordinate / communicate / provide automated services Consider Siri always listening for wake words Computers as Targets of Cyber Crime - Answers Sabotage - Hardware - Software - Data - Network DDoS attacks (distributed denial of service) Computers as Instruments of Cyber Crime - Answers Identity theft fraud/ransomware Organized crime - Money laundering - Sexual exploitation - Cyber-terrorism Malware DDoS - Answers An attempt to overload a company system — such as a webserver — by sending so many communications requests that legitimate traffic cannot get through Distributed refers to the army of virus infected PCs — acting without their owners' knowledge, usually thanks to a virus infection — that are used to deliver the attacks Identity Theft - Answers Theft of personal data for fraudulent purposes Includes: - Online account information - Bank account information - Credit or debit card names, number, PINs In Order To: - Run up debt - Obtain medical services under another's name - Counterfeiting or opening new credit cards under another's name - Even buying and reselling a home and leaving someone else with the mortgage debt Boot sector virus - Answers Affects how the computer boots Affects the computer before any software has begun - including an antivirus Logic/time bomb - Answers Viruses which are activated by a logical argument occurring or a time is met Macro/Script virus - Answers Executed by the OS i.e. a set of commands via an application Can be transmitted with the same code