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E2E-1

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E2E-1 — 6 free practice questions

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Question 1

A browser must reach a web server over an encrypted connection. Which default TCP port does HTTPS use?
  • A. 80
  • B. 443 Correct
  • C. 8080
  • D. 22

Explanation

HTTPS (HTTP over TLS) listens on TCP port 443 by default. Port 80 is plain HTTP and 22 is SSH.

Question 2

You are choosing DNS record types for a new domain. Which TWO record types map a host name directly to an IP address? (Choose two.)
  • A. A Correct
  • B. AAAA Correct
  • C. MX
  • D. TXT
  • E. CNAME

Explanation

A records map a name to an IPv4 address and AAAA records to an IPv6 address. MX names a mail server, TXT holds text and CNAME points to another name.

Question 3

For each of the following statements about TLS certificates, select Yes if the statement is true. Otherwise, select No.

Explanation

Certificates bind a key to a subject and expire. Browsers only trust certificates that chain to a trusted root, which a self-signed certificate does not.

Question 4

You need to publish a change to a shared Git repository. Place the steps in the correct order.

Explanation

Git records a change by staging it, committing the staged snapshot and then pushing the commit to the remote.

Question 5

Match each HTTP status code to its meaning.

Explanation

200 is OK, 404 is Not Found and 500 is Internal Server Error. 301 (Moved Permanently) matches none of them.

Question 6

Complete each statement about caching by selecting the correct option.

Explanation

no-store forbids storing the response anywhere; public allows shared caches such as CDNs to store it.

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