You want to automate checking the IP addresses of multiple domains using dig. Which command correctly outputs only the IPs for example.com and test.com?

hard📝 Application Q8 of 15

Linux CLI - Networking Commands

You want to automate checking the IP addresses of multiple domains using dig. Which command correctly outputs only the IPs for example.com and test.com?

Adig +short example.com test.com

Bdig example.com && dig +short test.com

Cdig -t A example.com && dig -t A test.com | grep 'IN A'

Ddig example.com test.com

Step-by-Step Solution

Solution:

Step 1: Understand +short usage for IP output
dig +short domain outputs only IP addresses for that domain.
Step 2: Check how to query multiple domains
dig accepts multiple domains in one command: dig +short example.com test.com outputs IPs for both.
Step 3: Analyze options
dig +short example.com test.com uses a single dig command with +short for multiple domains, correctly outputting only IPs. B outputs detailed info for first domain. C uses unnecessary grep and detailed output. D lacks +short and shows detailed info.
Final Answer:
dig +short example.com test.com -> Option A
Quick Check:
dig +short accepts multiple domains [OK]

Quick Trick: dig +short supports multiple domains in one command [OK]

Common Mistakes:

Omitting +short for multiple domains
Chaining commands unnecessarily
Using grep unnecessarily

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More Linux CLI Quizzes

You want to automate checking the IP addresses of multiple domains using dig. Which command correctly outputs only the IPs for example.com and test.com?

Step 1: Understand +short usage for IP output

Step 2: Check how to query multiple domains

Step 3: Analyze options

Final Answer:

Quick Check:

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