210-255 · Question #29
Which two components are included in a 5-tuple? (Choose two.)
The correct answer is A. port number B. destination IP address. 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
How the community answered
(51 responses)- A88% (45)
- C2% (1)
- D2% (1)
- E8% (4)
Why each option
A 5-tuple uniquely identifies a network flow using five fields: source IP, destination IP, source port, destination port, and protocol.
Port number (both source and destination ports) is one of the five defining fields of a 5-tuple, used alongside IP addresses and protocol to uniquely identify a network connection or session.
Destination IP address is one of the five fields in a 5-tuple, pairing with source IP, source port, destination port, and protocol to fully describe a unique network flow.
A data packet is the unit of network transmission itself, not a classification field used within the 5-tuple definition.
User name is an application-layer identity attribute and is not part of the network-layer 5-tuple structure.
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
Source: https://learn.microsoft.com/en-us/azure/network-watcher/network-watcher-nsg-flow-logging-overview
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