XK0-005 Question #287: Real Exam Question with Answer & Explanation

To verify the DNS information of a system, such as its configured DNS servers or its own DNS records, a systems administrator should use a DNS query tool like nslookup or dig. These tools allow querying DNS servers for various record types associated with a hostname or IP address

System Management

Question

A systems administrator wants to verify the DNS information of a system that is in production. Which of the following will provide this information?

Options

Anmap -R 10.10.20.21 10.10.1.10
Bwhois -r -h 10.10.1.10 10.10.20.21
Droute 10.10.20.21 gw 10.10.1.10

Explanation

To verify the DNS information of a system, such as its configured DNS servers or its own DNS records, a systems administrator should use a DNS query tool like nslookup or dig. These tools allow querying DNS servers for various record types associated with a hostname or IP address.

Common mistakes.

A. nmap -R is used for reverse-DNS lookups during network scanning and is not primarily for verifying general DNS information of a specific system.
B. whois is a protocol used to query databases that store the registered users or assignees of an Internet resource, such as a domain name or an IP address block, not for resolving current DNS records.
D. route is used to view or manipulate the IP routing table, which is completely unrelated to DNS information.

Concept tested. DNS query tools and system DNS verification

Reference. https://man7.org/linux/man-pages/man1/nslookup.1.html

Topics

#DNS#Network Utilities#Command Line Tools

Community Discussion

No community discussion yet for this question.

Full XK0-005 Practice Browse All XK0-005 Questions