Crucial Exams

CompTIA Server+ SK0-005 Practice Question

Several Windows Server 2022 file servers on VLAN 30 are reachable by IPv4 address but cannot be reached by their hostnames. From an affected client you run the following commands:

C:\> ping 10.30.0.12
Reply from 10.30.0.12: bytes=32 time<1ms TTL=128

C:\> nslookup filesrv01 10.30.0.12
*** Request to 10.30.0.12 timed-out

The IP address 10.30.0.12 belongs to a domain controller that also runs DHCP and DNS. Clients are still receiving valid DHCP leases, and no recent network-infrastructure changes were made.

Which action will MOST likely restore normal name resolution with the least disruption?

  • Increase the DHCP lease duration on the scope that serves VLAN 30

  • Flush the DNS client cache on every workstation

  • Start or restart the DNS Server service on 10.30.0.12

  • Clear the ARP table on the layer-3 switch that routes VLAN 30

CompTIA Server+ SK0-005
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