Hosting Web Hosting Challenge 3 — Questions and Answers
Question 1: You must serve a secure site over HTTPS. What must be installed on the hosting server?
- An SSL/TLS certificate (Correct answer)
- An extra A record
- A larger MX record
- A CAPTCHA plugin
Correct answer: An SSL/TLS certificate
An SSL/TLS certificate enables encrypted HTTPS connections.
Question 2: Which free certificate authority is widely used for automated SSL on hosting servers?
- Let's Encrypt (Correct answer)
- GoDaddy Premium
- VeriSign EV
- Symantec Pro
Correct answer: Let's Encrypt
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?
- Object cache like Redis or Memcached (Correct answer)
- Larger favicon
- More A records
- Disabling HTTPS
Correct answer: Object cache like Redis or Memcached
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?
- cPanel (Correct answer)
- Active Directory
- IIS Manager
- Xcode
Correct answer: cPanel
cPanel is the dominant control panel for Linux-based shared hosting.
Question 5: What does TTL on a DNS record control?
- How long resolvers cache the record (Correct answer)
- The server's RAM limit
- The SSL key length
- The FTP port number
Correct answer: How long resolvers cache the record
TTL (time to live) sets how long a DNS record is cached before resolvers re-query.
Question 6: A site needs to redirect 'www' to the root domain. Which record type is best for pointing one hostname to another name?
- CNAME record (Correct answer)
- A record only
- MX record
- SPF record
Correct answer: CNAME record
A CNAME aliases one hostname to another canonical name.
Question 7: Which metric most directly indicates whether your hosting plan's monthly data transfer limit is sufficient?
- Bandwidth usage (Correct answer)
- CPU clock speed
- RAID level
- DNS TTL
Correct answer: Bandwidth usage
Bandwidth usage measures data transferred to and from visitors against the plan's limit.
Hosting Web Hosting Challenge 3
You must serve a secure site over HTTPS.
What must be installed on the hosting server?