JNCIA-DevOps Python And PyEZ Practice Question
When writing a Python script using PyEZ, how should you handle connection timeout exceptions when attempting to connect to an unreachable Junos device?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
except ConnectError:
PyEZ raises ConnectError when it fails to establish a NETCONF session with the target device.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
except NetconfConnectionError:
Why it's wrong here
Incorrect. This is not the correct exception class name in PyEZ.
- ✓
except ConnectError:
Why this is correct
Correct. ConnectError is raised by jnpr.junos.exception when a connection cannot be established.
- ✗
except DeviceOpenError:
Why it's wrong here
Incorrect. ConnectError is the standard exception class for connection establishment issues.
- ✗
except socket.timeout:
Why it's wrong here
Incorrect. While underlying sockets time out, PyEZ wraps connection failures in specific exceptions.
About these practice questions
This JNCIA-DevOps question is part of Courseiva's 306-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Juniper Networks exam blueprint
This JNCIA-DevOps practice question is part of Courseiva's free Juniper Networks certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the JNCIA-DevOps exam.