During a infrastructure review of a newly provisioned branch office segment, an administrator discovers that client workstations are failing to access internal corporate web applications. A diagnostic command on an affected client reveals an IPv4 address of with a subnet mask of . When the administrator manually assigns a static IP address () and default gateway (), the client can successfully ping internal servers by IP address, but attempts to connect using fully qualified domain names (FQDNs) fail. Which of the following server role issues is the primary cause of the client initially acquiring the address?
- The DHCP server role is unreachable or failing to respond to client discovery requests, causing clients to assign themselves an APIPA address.Cevap
- BThe DNS server role is offline, which prevents client network adapters from obtaining dynamic IP address scope configurations upon link startup.
- CThe APIPA service host has encountered a critical runtime error, forcing the local network interface card to default to a public routable IP address.
- DThe Syslog server host is actively blocking incoming UDP port 67 traffic required for client domain name lookup requests.
Cevap
The DHCP server role is unreachable or failing to respond to client discovery requests, causing clients to assign themselves an APIPA address.
When a client computer set to acquire an IP address automatically receives no response from a DHCP server, it generates an APIPA link-local address in the range. The primary failure causing the client to acquire an APIPA address is the unavailability or unreachability of the DHCP server role.
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DHCP Server Role and APIPA Address Generation
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