nerdexam
Cisco

200-201 · Question #175

Which data type is necessary to get information about source/destination ports?

The correct answer is C. connectivity data. To obtain information about source and destination ports, connectivity data is necessary as it describes the fundamental parameters of network connections.

Submitted by tyler.j· Mar 6, 2026Network Intrusion Analysis

Question

Which data type is necessary to get information about source/destination ports?

Options

  • Astatistical data
  • Bsession data
  • Cconnectivity data
  • Dalert data

How the community answered

(33 responses)
  • B
    6% (2)
  • C
    91% (30)
  • D
    3% (1)

Why each option

To obtain information about source and destination ports, connectivity data is necessary as it describes the fundamental parameters of network connections.

Astatistical data

Statistical data involves aggregated metrics and summaries, which do not inherently provide the specific source and destination port numbers of individual connections.

Bsession data

Session data describes an active communication session, which does include port information, but 'connectivity data' is a broader term that encompasses all connection-related metadata, whether active sessions or connection attempts, making it a more fundamental data type for port information.

Cconnectivity dataCorrect

Connectivity data, often represented as flow records (e.g., NetFlow, IPFIX), directly contains the 5-tuple information including source IP, destination IP, protocol, source port, and destination port, which is essential for understanding network communication paths.

Dalert data

Alert data typically indicates a security event or anomaly and may reference port numbers within the alert description, but it is not the primary data type for systematically collecting comprehensive port usage information.

Concept tested: Network data types for port information

Source: https://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/ios-netflow/prod_white_paper0900aecd80406232.html

Topics

#network data#connectivity data#source/destination ports

Community Discussion

No community discussion yet for this question.

Full 200-201 Practice