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1Z0-1085-26 Core Oci Services Practice Question

Which THREE configuration items are specified when creating an OCI Virtual Cloud Network (VCN)? (Choose three.)

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

CIDR Block (IPv4)

Creating a VCN requires specifying a name, a DNS label, and a CIDR block.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Availability Domain assignment

    Why it's wrong here

    VCNs are regional constructs and are not assigned to a single availability domain.

  • CIDR Block (IPv4)

    Why this is correct

    A CIDR block defines the IP address range for the VCN.

  • VCN Name

    Why this is correct

    A descriptive name is required.

  • DNS Label

    Why this is correct

    A DNS label is required for resolving hostnames within the VCN.

  • GPU count specification

    Why it's wrong here

    GPU count is configured for compute instances, not VCNs.

Visual reference

192.168.1.0 /24 256 addresses (254 usable) 192.168.1.0 /25 Subnet A 128 addr (126 usable) 192.168.1.128 /25 Subnet B 128 addr (126 usable) Borrowing 1 bit from host portion creates 2 subnets (/25)

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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 Oracle exam blueprint

This 1Z0-1085-26 practice question is part of Courseiva's free Oracle 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 1Z0-1085-26 exam.