350-601 Compute Practice Question
An engineer needs to deploy a stateless UCS B-series blade with a boot from SAN configuration. Which components must be defined in the service profile to achieve this?
⚠ Common exam trap
Cisco often tests the distinction between vNIC (Ethernet) and vHBA (Fibre Channel) in boot-from-SAN scenarios, leading candidates to mistakenly choose vNIC and MAC address when the question specifies SAN boot.
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
✓
vHBA and WWPN
For a stateless UCS B-series blade with boot from SAN, the service profile must define a vHBA (virtual Host Bus Adapter) with a WWPN (World Wide Port Name). The WWPN is used by the SAN fabric to identify the server and present the correct LUN for booting, enabling stateless boot without local storage. iSCSI and MAC addresses are irrelevant for Fibre Channel SAN boot, and local disk configuration is not used in a stateless boot-from-SAN design.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
iSCSI vNIC and IQN
Why it's wrong here
iSCSI uses vNICs, but the question specifies SAN (typically FC).
- ✗
vNIC and MAC address
Why it's wrong here
vNIC is for Ethernet, not SAN boot.
- ✓
vHBA and WWPN
Why this is correct
vHBA with WWPN is required for Fibre Channel boot.
- ✗
Local disk configuration
Why it's wrong here
Local disk is not used for SAN boot.
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
Go deeper
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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