XK0-005 · Question #662
A Linux engineer needs to get information from the foo.com domain mail servers. Which of the following network tools should the engineer use?
The correct answer is C. dig mx foo.com. The 'dig' (Domain Information Groper) command is a DNS lookup utility. The 'mx' argument specifies the query type-MX records identify the mail servers responsible for a domain. 'dig mx foo.com' queries DNS for foo.com's Mail Exchanger records. 'arp' resolves IP addresses to MAC…
Question
A Linux engineer needs to get information from the foo.com domain mail servers. Which of the following network tools should the engineer use?
Options
- Aarp mx foo.com
- Bnc mx foo.com
- Cdig mx foo.com
- Droute mx foo.com
How the community answered
(51 responses)- A2% (1)
- B2% (1)
- C92% (47)
- D4% (2)
Explanation
The 'dig' (Domain Information Groper) command is a DNS lookup utility. The 'mx' argument specifies the query type-MX records identify the mail servers responsible for a domain. 'dig mx foo.com' queries DNS for foo.com's Mail Exchanger records. 'arp' resolves IP addresses to MAC addresses on a local network, 'nc' (netcat) is a raw TCP/UDP connection tool, and 'route' manages the kernel IP routing table-none of these are DNS tools.
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