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EX294 Manage inventories and credentials Practice Question

An Ansible Tower administrator needs to create a custom credential type that uses an SSH private key and a username. Which THREE components should be defined in the credential type's configuration?

⚠ Common exam trap

The trap here is that candidates often add unnecessary fields like 'password' or 'key type' because they confuse SSH key-based authentication with password-based authentication, or they think the key format must be explicitly specified.

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

✓

"fields": [{"id": "ssh_key_data", "type": "string", "label": "SSH Private Key", "multiline": true, "secret": true}]

The SSH private key must be defined as a field with `"type": "string"`, `"multiline": true` (since SSH keys are multi-line), and `"secret": true` (to encrypt the value in the database). This matches the standard Ansible Tower custom credential type schema for storing sensitive key material.

Answer analysis

Option-by-option breakdown

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

✓
"fields": [{"id": "ssh_key_data", "type": "string", "label": "SSH Private Key", "multiline": true, "secret": true}]
Why this is correct
Input field for SSH private key content.
✗
"fields": [{"id": "password", "type": "string", "label": "Password"}]
Why it's wrong here
Not needed when using SSH key authentication.
✗
"fields": [{"id": "key_type", "type": "string", "label": "Key Type"}]
Why it's wrong here
Unnecessary additional field.
✓
"fields": [{"id": "username", "type": "string", "label": "Username"}]
Why this is correct
Input field for username.
✓
"injectors": {"extra_vars": {"ansible_user": "{{ username }}", "ansible_ssh_private_key_file": "{{ ssh_key_data }}"}}
Why this is correct
Maps input fields to Ansible variables.

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EX294 Manage inventories and credentials Practice Question

Why each option matters

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