Crucial Exams

CompTIA Linux+ XK0-006 (V8) Practice Question

A Linux workstation running a recent distribution uses systemd-resolved for name resolution. You confirm that /etc/resolv.conf is a symbolic link to /run/systemd/resolve/stub-resolv.conf, which is the recommended stub mode. When an application such as curl performs a conventional DNS query, to which local IP address is the request sent before it is forwarded to an upstream DNS server?

  • The IP address of the system's default gateway on port 53

  • The first DNS server configured on the interface with the lowest metric

  • 127.0.0.1 on port 5353 (the local mDNS multicast port)

  • 127.0.0.53 on port 53 (the local stub resolver provided by systemd-resolved)

CompTIA Linux+ XK0-006 (V8)
Services and User Management
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