On large distributed systems with pooled resources, cloud computing relies on extensive orchestration to maintain the environment and the constant provisioning of resources. Which of the following is crucial to the orchestration and automation of networking resources within a cloud? 

Answer options:

A. DNSSEC
B. DNS
C. DCOM
D. DHCP

D

The Dynamic Host Configuration Protocol (DHCP) automatically configures network settings for a host so that these settings do not need to be configured on the host statically. Given the rapid and programmatic provisioning of resources within a cloud environment, this capability is crucial to cloud operations. Both DNS and its security-integrity extension DNSSEC provide name resolution to IP addresses, but neither is used for the configuration of network settings on a host. DCOM refers to the Distributed Component Object Model, which was developed by Microsoft as a means to request services across a network, and is not used for network configurations at all.