Explain the role of DHCP and DNS within the network
4 practice questions under this official exam objective (200-301) — each with the community-verified answer, a full option-by-option explanation and instant feedback.
DHCP Relay with ip helper-address for VLAN 10
DHCP clients on VLAN 10 sit in a different broadcast domain from the DHCP server, so SW1 must act as a relay agent and forward BOOTP/DHCP requests wit
Two Reasons to Implement DHCP in a Network
DHCP automates address assignment, so administrators avoid manual IP configuration (A is the opposite) and save time managing ranges (C). Lease time (
What an Iterative DNS Query Does
With an iterative query, the resolver asks a server; if that server lacks the record, it returns a referral to another server rather than resolving fu
Router Behavior When Resolving a URL on the CLI
When 'ip domain-lookup' is on (default) and a hostname/URL is typed at the CLI, the router treats it as a name to resolve and queries the DNS server c