Advanced Web Programming Practice MCQs

Question 1

Which service resolves a host name such as www.example.com to an IP address?

Accepted Answer

A. DNS

Answer

DNS

Answer

ARP

Answer

NAT

Answer

DHCP

Question 2

A browser opens https://shop.example.com:8443/books/42?format=pdf#reviews. Which part of this URL is kept by the browser and not sent to the server?

Accepted Answer

C. #reviews (fragment)

Answer

/books/42 (path)

Answer

format=pdf (query)

Answer

#reviews (fragment)

Answer

shop.example.com (host)

Question 3

Which HTTP method retrieves a representation and is defined as safe, meaning its intended meaning is read-only?

Accepted Answer

D. GET

Answer

POST

Answer

PATCH

Answer

DELETE

Answer

GET

Question 4

Which HTTP method asks for the same response headers as GET but without the response body?

Accepted Answer

A. HEAD

Answer

HEAD

Answer

OPTIONS

Answer

GET

Answer

PATCH

Question 5

Which method is ordinarily used to create or completely replace the resource at a known URI such as /api/books/42?

Accepted Answer

B. PUT

Answer

POST

Answer

PUT

Answer

PATCH

Answer

GET

Question 6

A client sends DELETE /api/books/42 twice. The first response is 204 No Content and the second is 404 Not Found. Which statement is correct?

Accepted Answer

B. DELETE is idempotent because the intended final state is the same

Answer

DELETE is not idempotent because the two responses differ

Answer

DELETE is idempotent because the intended final state is the same

Answer

The server is wrong because it must return 204 both times

Answer

DELETE is safe because the second request changed nothing

Question 7

Which HTTP method is NOT idempotent by definition?

Accepted Answer

C. POST

Answer

PUT

Answer

DELETE

Answer

POST

Answer

GET

Question 8

A POST /api/books request successfully creates a new book. Which status code is the most appropriate response?

Accepted Answer

B. 201 Created

Answer

200 OK

Answer

201 Created

Answer

204 No Content

Answer

302 Found

Question 9

A client requests GET /api/books/999, but no book with id 999 exists. Which status code should the server return?

Accepted Answer

C. 404 Not Found

Answer

400 Bad Request

Answer

403 Forbidden

Answer

404 Not Found

Answer

500 Internal Server Error

Question 10

An unhandled exception in the application code aborts processing of an otherwise valid request. Which status code describes this outcome?

Accepted Answer

D. 500 Internal Server Error

Answer

400 Bad Request

Answer

401 Unauthorized

Answer

409 Conflict

Answer

500 Internal Server Error

Question 11

Which header states the media type of the body actually enclosed in a request or response, such as application/json?

Accepted Answer

Content-Type

Answer

Accept

Answer

Content-Length

Answer

Cache-Control

Question 12

Which request header tells the server which response media types the client can process?

Accepted Answer

D. Accept

Answer

Content-Type

Answer

Host

Answer

Cache-Control

Answer

Accept

Question 13

Which protocol provides the encryption, integrity protection and server authentication in HTTPS?

Accepted Answer

C. TLS

Answer

SSH

Answer

DNS

Answer

TLS

Answer

TCP

Question 14

Which HTTP version introduced binary framing and multiplexing of many streams over one TCP connection?

Accepted Answer

A. HTTP/2

Answer

HTTP/2

Answer

HTTP/1.0

Answer

HTTP/1.1

Answer

HTTP/1.1 with pipelining

Question 15

What does it mean to say that HTTP is stateless?

Accepted Answer

C. Requests do not inherently share application session state

Answer

Servers cannot store files or database records

Answer

Every TCP connection must close after one response

Answer

Requests do not inherently share application session state

Answer

Responses can never be cached by the browser

Advanced Web Programming Practice MCQs

Advanced Web Programming Free MCQs

Which service resolves a host name such as www.example.com to an IP address?

A browser opens https://shop.example.com:8443/books/42?format=pdf#reviews. Which part of this URL is kept by the browser and not sent to the server?

Which HTTP method retrieves a representation and is defined as safe, meaning its intended meaning is read-only?

Which HTTP method asks for the same response headers as GET but without the response body?

Which method is ordinarily used to create or completely replace the resource at a known URI such as /api/books/42?

A client sends DELETE /api/books/42 twice. The first response is 204 No Content and the second is 404 Not Found. Which statement is correct?

Which HTTP method is NOT idempotent by definition?

A POST /api/books request successfully creates a new book. Which status code is the most appropriate response?

A client requests GET /api/books/999, but no book with id 999 exists. Which status code should the server return?

An unhandled exception in the application code aborts processing of an otherwise valid request. Which status code describes this outcome?

Which header states the media type of the body actually enclosed in a request or response, such as application/json?

Which request header tells the server which response media types the client can process?

Which protocol provides the encryption, integrity protection and server authentication in HTTPS?

Which HTTP version introduced binary framing and multiplexing of many streams over one TCP connection?

What does it mean to say that HTTP is stateless?

After login, where does a browser conventionally keep a server-issued session identifier so that it is sent automatically with later requests?

Which of the following is web server software that accepts HTTP requests and serves responses?

In https://shop.example.com/books?author=rao&sort=price, which URL component carries the filtering parameters?

What does a 3xx status code such as 301 or 304 generally indicate?

Does serving a site over HTTPS remove the need for server-side input validation?

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