Multiple ChoiceBeginner 45s
L4 vs L7 load balancer
What is the key functional difference between an L4 and an L7 load balancer?
Options
- 1L4 terminates TLS at the edge to offload crypto, whereas an L7 balancer forwards encrypted bytes through without inspecting them
- 2L4 can balance only UDP datagrams while L7 can balance only TCP streams, so the two are used for different kinds of traffic
- 3L7 routes on application-layer attributes such as HTTP path or header, while L4 routes only on connection-level 5-tuple
- 4An L7 balancer is unable to perform active health checks because it must forward requests untouched and cannot originate probes
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