Clustering is the process of grouping similar resources together. What resources can be clustered? Choose all that apply.

Clustering can include the following resources:

A. servers

B. personal computers

C. applications

D. routers

Explanation: Clustering involves grouping similar resources to improve efficiency, scalability, or management. Servers are commonly clustered for load balancing and redundancy. Personal computers can also be clustered for distributed processing. Applications can be clustered for improved performance or resource allocation, and routers may be clustered to enhance network reliability and performance. Therefore, all listed options can be clustered.