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101 · Question #76

101 Question #76: Real Exam Question with Answer & Explanation

The correct answer is B: SNAT s support UDP, TCP, and ICMP traffic.. F5 SNATs support multiple IP protocols and allow translation addresses that overlap with virtual server IPs, but they are strictly unidirectional and do not permit external hosts to initiate inbound connections.

Question

Which three statements are true about SNATs? (Choose three.)

Options

  • ASNAT s provide bidirectional traffic initiation.
  • BSNAT s support UDP, TCP, and ICMP traffic.
  • CSNAT addresses can be identical to virtual server IP addresses.

Explanation

F5 SNATs support multiple IP protocols and allow translation addresses that overlap with virtual server IPs, but they are strictly unidirectional and do not permit external hosts to initiate inbound connections.

Common mistakes.

  • A. SNATs are strictly unidirectional - they only translate the source address for internally initiated outbound connections and do not enable external hosts to initiate inbound connections, which is the role of a virtual server.

Concept tested. F5 SNAT protocol support, address overlap, and traffic directionality

Reference. https://techdocs.f5.com/en-us/bigip-17-1-0/big-ip-local-traffic-management-getting-started-guide/snats.html

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