\",\n \"\",\n \"
\",\n \"\"\n ],\n \"correctIndex\": 2,\n \"topic\": \"html\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. The
tag inserts a line break within a paragraph without starting a new block element.\",\n \"incorrect\": \"Incorrect. The answer is
— it is the HTML tag for inserting a line break within content.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q3\",\n \"question\": \"Which attribute should be used to display text if the browser can't show the image?\",\n \"options\": [\n \"title\",\n \"src\",\n \"alt\",\n \"id\"\n ],\n \"correctIndex\": 2,\n \"topic\": \"html\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. The alt attribute provides alternative text for an image displayed when the image cannot load.\",\n \"incorrect\": \"Incorrect. The answer is alt — the alt attribute specifies fallback text and aids accessibility.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q1\",\n \"question\": \"Which of the following best represents the color RED in HTML?\",\n \"options\": [\n \"#00FF00\",\n \"#0000FF\",\n \"#FF0000\",\n \"#FF00FF\"\n ],\n \"correctIndex\": 2,\n \"topic\": \"html\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. #FF0000 represents pure red — maximum red (FF), zero green (00), zero blue (00).\",\n \"incorrect\": \"Incorrect. The answer is #FF0000 — the first two hex digits represent red in the RGB colour model.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q1\",\n \"question\": \"Convert decimal 17069 to binary\",\n \"options\": [\n \"0100001010101101\",\n \"0100001010101101\",\n \"0100001010100101\",\n \"0100001010111101\"\n ],\n \"correctIndex\": 0,\n \"topic\": \"number-systems\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. 17069 in binary is 0100001010101101.\",\n \"incorrect\": \"Incorrect. The answer is 0100001010101101 — convert 17069 by repeated division by 2.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q2\",\n \"question\": \"Convert binary 0101101001101111 to decimal\",\n \"options\": [\n \"23151\",\n \"23150\",\n \"23249\",\n \"23053\"\n ],\n \"correctIndex\": 0,\n \"topic\": \"number-systems\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. Binary 0101101001101111 = 23151 in decimal.\",\n \"incorrect\": \"Incorrect. The answer is 23151 — sum the powers of 2 for each set bit.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q3\",\n \"question\": \"You have a device at home which connects you to the Internet via an ADSL connection to an Internet Service Provider. It sometimes includes a wireless access point and sometimes additional network ports to plug in your laptop or home entertainment devices. What is this device?\",\n \"options\": [\n \"A Switch\",\n \"A Hub\",\n \"A Router/modem\",\n \"A Repeater\"\n ],\n \"correctIndex\": 2,\n \"topic\": \"networking\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. A router/modem is the home device that connects to the ISP via ADSL, often combining wireless access point and switch functionality.\",\n \"incorrect\": \"Incorrect. The answer is A Router/modem — it routes traffic between your home network and the ISP, and typically includes Wi-Fi and switch ports.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q4\",\n \"question\": \"Convert Hexadecimal 163D to binary\",\n \"options\": [\n \"0001011000111101\",\n \"0001011000111110\",\n \"0001011000110101\",\n \"0001001000111101\"\n ],\n \"correctIndex\": 0,\n \"topic\": \"number-systems\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. 1=0001, 6=0110, 3=0011, D=1101 → 0001011000111101.\",\n \"incorrect\": \"Incorrect. The answer is 0001011000111101 — convert each hex digit to its 4-bit binary representation.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q1\",\n \"question\": \"(A or B) and not(C) is logically the same as?\",\n \"options\": [\n \"A. (A and not(C)) or (B and C)\",\n \"B. (A or not(C)) and (B or not(C))\",\n \"C. (A and not(C)) or (B and not(C))\",\n \"D. (A and not(C)) or (B and not(C))\"\n ],\n \"correctIndex\": 2,\n \"topic\": \"boolean-logic\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. By distribution: (A OR B) AND NOT(C) = (A AND NOT(C)) OR (B AND NOT(C)).\",\n \"incorrect\": \"Incorrect. The answer is D — distribute AND NOT(C) over the OR: (A AND NOT(C)) OR (B AND NOT(C)).\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q1\",\n \"question\": \"Which attribute should be used to display text if the browser can't show the image?\",\n \"options\": [\n \"title\",\n \"src\",\n \"alt\",\n \"id\"\n ],\n \"correctIndex\": 2,\n \"topic\": \"html\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. The alt attribute provides fallback text when an image cannot be displayed, and is also critical for screen reader accessibility.\",\n \"incorrect\": \"Incorrect. The answer is alt — it specifies alternative text for images that fail to render.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q2\",\n \"question\": \"In HTML, how would I refer to an anchor called \\\"01\\\" within a html page called \\\"mypage.html\\\" ?\",\n \"options\": [\n \"link to section 01 in mypage\",\n \"link to section 01 in mypage\",\n \"link to section 01 in mypage\",\n \"link to section 01 in mypage\"\n ],\n \"correctIndex\": 1,\n \"topic\": \"html\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. The correct format is filename followed immediately by # and the anchor name — mypage.html#01, with no slash before the hash.\",\n \"incorrect\": \"Incorrect. The answer is link to section 01 in mypage — the hash directly follows the filename, no slash needed.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q3\",\n \"question\": \"Where does the doctype go on a web page?\",\n \"options\": [\n \"In the tag\",\n \"Inside the tag\",\n \"Above the tag\",\n \"At the bottom of the page\"\n ],\n \"correctIndex\": 2,\n \"topic\": \"html\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. The DOCTYPE declaration must appear at the very top of the HTML document, above the tag.\",\n \"incorrect\": \"Incorrect. The answer is Above the tag — the DOCTYPE must be the very first thing in the HTML document.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q1\",\n \"question\": \"Which of the following are not commonly found in Graphical User Interfaces?\",\n \"options\": [\n \"Icons\",\n \"Windows\",\n \"Command prompt\",\n \"Menus\"\n ],\n \"correctIndex\": 2,\n \"topic\": \"operating-systems\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. A command prompt is a text-based CLI interface and is not a component of a Graphical User Interface.\",\n \"incorrect\": \"Incorrect. The answer is Command prompt — GUIs rely on graphical elements (icons, windows, menus), not text-based command prompts.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q2\",\n \"question\": \"Which type of security attack would it be if I were to interrupt your login to UTS online?\",\n \"options\": [\n \"A. Authenticity attack\",\n \"B. Availability attack\",\n \"C. Integrity attack\",\n \"D. Confidentiality attack\"\n ],\n \"correctIndex\": 1,\n \"topic\": \"security\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. Interrupting a login denies access to a service, which is an Availability attack — preventing legitimate users from accessing resources.\",\n \"incorrect\": \"Incorrect. The answer is B — Availability attack — because preventing a user from logging in disrupts the availability of the service.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q3\",\n \"question\": \"Which of the following security mechanisms would help detect a failure of Integrity?\",\n \"options\": [\n \"A firewall\",\n \"Encryption\",\n \"Using an Audit Trail\",\n \"A strong password\"\n ],\n \"correctIndex\": 2,\n \"topic\": \"security\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. An Audit Trail records all changes and accesses to data, making it possible to detect when data integrity has been compromised.\",\n \"incorrect\": \"Incorrect. The answer is Using an Audit Trail — it logs activity and modifications so integrity failures can be detected and investigated.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q1\",\n \"question\": \"When data is stored on a tape drive, the allocation method used is:\",\n \"options\": [\n \"Linked allocation\",\n \"Indexed allocation\",\n \"Contiguous\",\n \"None of these choices\"\n ],\n \"correctIndex\": 2,\n \"topic\": \"file-systems\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. Tape drives require contiguous allocation because tape is a sequential-access medium — you can only read data in order, so blocks must be stored one after another without gaps.\",\n \"incorrect\": \"Incorrect. The answer is Contiguous because tape drives are sequential-access devices and data must be laid out contiguously so it can be read in order.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q2\",\n \"question\": \"Which of the following \\\"Big O\\\" notations has the LEAST cost? (e.g. number of accesses required to read a files blocks)\",\n \"options\": [\n \"O(n²)\",\n \"O(n log(n))\",\n \"O(log(n))\",\n \"O(1)\"\n ],\n \"correctIndex\": 3,\n \"topic\": \"file-systems\",\n \"quiz\": 1,\n \"feedback\": {\n \"correct\": \"Correct. O(1) means constant time — the number of accesses does not grow with the size of the file, making it the most efficient (least costly) of all Big O notations listed.\",\n \"incorrect\": \"Incorrect. The answer is O(1) because it represents a constant number of operations regardless of file size, which is the lowest possible cost.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q1\",\n \"question\": \"Convert Hexadecimal 61E8 to Decimal\",\n \"options\": [\n \"24552\",\n \"25064\",\n \"25164\",\n \"25864\"\n ],\n \"correctIndex\": 1,\n \"topic\": \"number-systems\",\n \"quiz\": 2,\n \"feedback\": {\n \"correct\": \"Correct. 61E8 hex = 6×16³ + 1×16² + 14×16¹ + 8×16⁰ = 24576 + 256 + 224 + 8 = 25064.\",\n \"incorrect\": \"Incorrect. The answer is 25064 because 61E8₁₆ = 6×4096 + 1×256 + 14×16 + 8 = 24576 + 256 + 224 + 8 = 25064.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q2\",\n \"question\": \"Given this scenario:\\n- I want to access my email off-line eg: on my smartphone or wireless laptop\\n- I want my email client to download the email off the server\\n- I don't intend to access this email with different clients.\\nWhat would the BEST protocol to use in this situation?\",\n \"options\": [\n \"A. IMAP\",\n \"B. HTTP\",\n \"C. SMTP\",\n \"D. POP\"\n ],\n \"correctIndex\": 3,\n \"topic\": \"networking\",\n \"quiz\": 2,\n \"feedback\": {\n \"correct\": \"Correct. POP (Post Office Protocol) downloads email from the server to a single client and removes it from the server, making it ideal for offline access from one device.\",\n \"incorrect\": \"Incorrect. The answer is D. POP because POP downloads and removes email from the server for offline use from a single client, matching all three requirements in the scenario.\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q3\",\n \"question\": \"(A or B) and not(C) is logically the same as?\",\n \"options\": [\n \"A. (A and not(C)) and (B and not(C))\",\n \"B. (A or not(C)) and (B or not(C))\",\n \"C. (A and not(C)) or (B and not(C))\",\n \"D. (A or not(C)) or (B or not(C))\"\n ],\n \"correctIndex\": 2,\n \"topic\": \"boolean-logic\",\n \"quiz\": 2,\n \"feedback\": {\n \"correct\": \"Correct. By the distributive law of Boolean algebra, (A or B) and not(C) distributes to (A and not(C)) or (B and not(C)).\",\n \"incorrect\": \"Incorrect. The answer is C. (A and not(C)) or (B and not(C)) because the AND operator distributes over OR: (A or B) and not(C) = (A and not(C)) or (B and not(C)).\"\n },\n \"year\": 2017\n },\n {\n \"id\": \"q1\",\n \"question\": \"Which is the most typical middle tier in a three tier web architecture?\",\n \"options\": [\n \"A database tier\",\n \"An application tier\",\n \"A presentation tier\",\n \"A client tier\"\n ],\n \"correctIndex\": 1,\n \"topic\": \"client-server\",\n \"quiz\": 2,\n \"feedback\": {\n \"correct\": \"Correct. In a three-tier web architecture the middle tier is the application (logic) tier, which sits between the presentation (client) tier and the data (database) tier and handles business logic.\",\n \"incorrect\": \"Incorrect. The answer is An application tier because in three-tier architecture the layers are: presentation → application (middle) → database.\"\n },\n \"year\": 2017\n }\n]","deleted","label",[179,180,163],"valtown","chunks","permalink","https://www.val.town/x/cookiemonster0921/webSystemsQuiz2/code/valtown/chunks/2017_p05.json","extension","json","actionData","errors"]