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210-255 · Question #29
210-255 Question #29: Real Exam Question with Answer & Explanation
The correct answer is A: port number. A 5-tuple uniquely identifies a network flow using five fields: source IP, destination IP, source port, destination port, and protocol.
Question
Which two components are included in a 5-tuple? (Choose two.)
Options
- Aport number
- Bdestination IP address
- Cdata packet
- Duser name
- Ehost logs
Explanation
A 5-tuple uniquely identifies a network flow using five fields: source IP, destination IP, source port, destination port, and protocol.
Common mistakes.
- C. A data packet is the unit of network transmission itself, not a classification field used within the 5-tuple definition.
- D. User name is an application-layer identity attribute and is not part of the network-layer 5-tuple structure.
- E. Host logs are an audit and monitoring artifact and play no role in defining or classifying a 5-tuple network flow.
Concept tested. 5-tuple network flow identification components
Reference. https://learn.microsoft.com/en-us/azure/network-watcher/network-watcher-nsg-flow-logging-overview
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