PCNE Practice Question: Managing, Monitoring, and Optimising Network Operations
What is the default MTU for packets sent between VMs within the same VPC network in Google Cloud?
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
✓
1460 bytes
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
8970 bytes
Why it's wrong here
Not applicable to VPC; jumbo frames are supported on some networks but default is 1460.
- ✗
1400 bytes
Why it's wrong here
Incorrect; default is 1460.
- ✓
1460 bytes
Why this is correct
Google's internal network uses 1460-byte MTU to allow for encapsulation.
- ✗
1500 bytes
Why it's wrong here
1500 is standard for internet, but GCP VPC uses 1460.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCNE practice question is part of Courseiva's free Google Cloud 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 PCNE exam.