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CKA study material · question 729 of 1000

Which two capabilities does IPVS proxy mode offer that iptables mode does not? Choose two.

  1. Rules held in a kernel-space hash table
  2. Support for Services without selectors
  3. Scheduling algorithms such as weighted round robin
  4. Support for the ExternalName Service type
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Answer: A. Rules held in a kernel-space hash table
C. Scheduling algorithms such as weighted round robin

IPVS uses a hash table rather than a linear rule chain and offers several balancing algorithms. Selectorless and ExternalName Services are proxy-mode independent.

Source: Virtual IPs and Service Proxies (Kubernetes) — Proxy modes › IPVS proxy mode

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