A network administrator is troubleshooting connectivity issues on a corporate wireless guest network spanning the subnet. Transient users report that their laptops periodically fail to connect to network resources and receive self-assigned IP addresses in the range during peak operating hours. Upon inspecting the central DHCP server status, the administrator observes the following command output snippet:
text
DHCP Scope: Guest_VLAN100
Subnet Prefix: 192.168.100.0/24
Range: 192.168.100.10 - 192.168.100.250
Total Scope Addresses: 241
Active Leases: 241 (100% utilized)
Pending Requests: 14 (Dropped - No available addresses)
Lease Duration: 8 days 00:00:00
Physical attendance logs confirm that no more than 60 guest users are ever present in the facility concurrently. Which of the following is the most likely root cause of this issue?
- The DHCP lease duration is configured too long for a network with high host turnover, leading to scope exhaustion.Cevap
- BThe default gateway interface on the Layer 3 switch is down, causing clients to immediately default to APIPA addresses.
- CThe DHCP relay agent is dropping DHCPDISCOVER packets because the helper address points to an incorrect default gateway.
- DThe network administrator miscalculated the usable host capacity of the subnet by failing to subtract the network and broadcast addresses.