1. Question 1

✔️ True
❌ False

Correct: True

2. Question 2

✔️ <body> and </body>
❌ Others

3. Question 3

✔️ False
❌ True

Correct: False
href cannot be used directly on <img>.

4. Question 4 – Valid ID selectors

✔️ #header {}
❌ main-content {}
✔️ #main-content {}
❌ .header {} (this is class selector)

5. Question 5

✔️ True
❌ False

6. Question 6

✔️ let total = 20;
✔️ result = 30 – 10;
❌ var answer = “40 / 2”; (string, not numeric)
✔️ var sum = 15 + 5;

7. Question 7

✔️ submit
❌ load
❌ onsubmit
❌ click

8. Question 8

✔️ @PostMapping
✔️ @GetMapping
❌ @Service
✔️ @RequestMapping

9. Question 9

✔️ model.addAttribute(“productList”, productService.getAllProducts())

10. Question 10

✔️ Spring Web
❌ Others

11. Question 11

✔️ @RequestParam
❌ @RequestMapping
❌ @Model
❌ @PathVariable

12. Question 12

✔️ @PostMapping and @ModelAttribute
❌ Others

13. Question 13

✔️ @Controller
❌ @Service
❌ @RestController
❌ @Component

14. Question 14

✔️ To inject dependencies automatically

15. Question 15

✔️ Missing view template or incorrect mapping
❌ Others

16. Question 16

✔️ Spring Security

17. Question 17

✔️ To test and debug RESTful APIs

18. Question 18

✔️ A JSON array: [“Task 1”, “Task 2”]

19. Question 19

✔️ 201

20. Question 20

✔️ <select>

21. Question 21

✔️ @Column

22. Question 22

✔️ To package the application with an embedded server

23. Question 23

✔️ @PostMapping(“/register”)

24. Question 24

✔️ <ul>
✔️ <li>
❌ <p>
❌ <ol> (ordered list, question says no numbering)

25. Question 25

✔️ email
❌ text
❌ radio
❌ color

26. Question 26

✔️ align-items
✔️ flex-wrap
✔️ justify-content
❌ grid-template-columns

27. Question 27

✔️ 2px solid

28. Question 28

✔️ 0, 1, 2

29. Question 29

✔️ ResponseEntity.status(200).body(product)
✔️ ResponseEntity.badRequest().body(product)
✔️ ResponseEntity.ok(product)
❌ return product; (invalid for ResponseEntity question)

30. Question 30

✔️ fetch(“trails.urlcom/api/data”)
✔️ fetch(“trails.urlcom/api/data”, { method: “GET” })
❌ method POST
❌ fetchPost(…)

📘 Summary Table

Q	Answer
1	True
2	`<body>`
3	False
4	#header, #main-content
5	True
6	total, result, sum
7	submit
8	@Post, @Get, @RequestMapping
9	model.addAttribute(…)
10	Spring Web
11	@RequestParam
12	@PostMapping + @ModelAttribute
13	@Controller
14	Dependency injection
15	Missing view template
16	Spring Security
17	API testing
18	JSON array
19	201
20	`<select>`
21	@Column
22	Embedded server JAR
23	@PostMapping
24	<ul>, <li>
25	email
26	align-items, flex-wrap, justify-content
27	2px solid
28	0, 1, 2
29	all ResponseEntity options except plain return
30	fetch(…), fetch(…GET…)

Course quiz: Full stack web development :Frontend development:Full Stack Web Development(Full Stack Web Development) Answers 2025