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Difficulty: MediumNetwork Host Services and Server Roles

A network technician is configuring dynamic network settings for client workstations on a new office subnet. The workstations receive IPv4 addresses successfully, but users report they cannot connect to internal servers using domain names. Additionally, system logs show domain authentication failures caused by time drift between client machines and the domain controller. Which TWO network host services or server roles should be specified in the DHCP scope options to resolve these issues? (Select TWO.)

  1. DNS ServerAnswer
  2. NTP ServerAnswer
  3. C
    Syslog Server
  4. D
    APIPA Service

Answer

The DNS Server and NTP Server roles must be configured in the DHCP scope options to provide name resolution and time synchronization.
DNS provides name resolution so clients can reach servers via domain names, while NTP maintains consistent system clocks across the network to prevent domain authentication failures.

Step-by-Step Solution

1
Identify the cause of domain name resolution failure.
Determine that clients lack the address of a Domain Name System (DNS) server.
DNS is the network host service responsible for mapping fully qualified domain names to IP addresses.
2
Identify the cause of timestamp-related domain authentication failures.
Determine that clients lack Network Time Protocol (NTP) server information.
NTP keeps client clocks synchronized with domain controllers, which is mandatory for secure authentication protocols.

Key Concept

Configuring network host services (DNS and NTP) via DHCP scope options to support client name resolution and clock synchronization.
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Topics

Network Host Services and Server Roles

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