Hosting Web Hosting Challenge 3

Question 1

You must serve a secure site over HTTPS. What must be installed on the hosting server?

Accepted Answer

An SSL/TLS certificate

Answer

An SSL/TLS certificate enables encrypted HTTPS connections.

Question 2

Which free certificate authority is widely used for automated SSL on hosting servers?

Accepted Answer

Let's Encrypt

Answer

Let's Encrypt issues free, automatically renewable TLS certificates.

Question 3

A WordPress site is slow. Which server-side caching layer most directly reduces repeated database queries?

Accepted Answer

Object cache like Redis or Memcached

Answer

An object cache such as Redis stores query results in memory to avoid repeated database hits.

Question 4

Which control panel is most commonly bundled with Linux shared hosting?

Accepted Answer

cPanel

Answer

cPanel is the dominant control panel for Linux-based shared hosting.

Question 5

What does TTL on a DNS record control?

Accepted Answer

How long resolvers cache the record

Answer

TTL (time to live) sets how long a DNS record is cached before resolvers re-query.

Hosting Practice Test