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350-701 Practice Question: An engineer is configuring Cisco ISE for 802.1X…
An engineer is configuring Cisco ISE for 802.1X authentication in a corporate network. A printer that does not support 802.1X needs to be granted network access. Which method should the engineer use to authenticate the printer?
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
✓
MAB
MAC Authentication Bypass (MAB) allows devices that cannot run an 802.1X supplicant to authenticate based on their MAC address. The printer's MAC is used as the credential against the authentication server.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Guest Portal
Why it's wrong here
Guest portal is for temporary access, not for persistent device authentication.
- ✗
PEAP-MSCHAPv2
Why it's wrong here
PEAP-MSCHAPv2 requires username/password credentials, not applicable to a printer without a supplicant.
- ✗
EAP-TLS
Why it's wrong here
EAP-TLS requires a certificate on the client, which the printer cannot provide.
- ✓
MAB
Why this is correct
MAB uses the MAC address of the device for authentication, suitable for non-supplicant devices like printers.
Quick reference
AAA Protocol Comparison
| Protocol | Port(s) | Encryption | Transport | Primary Use |
|---|---|---|---|---|
| RADIUS | 1812 / 1813 | Password only | UDP | Network access control |
| TACACS+ | 49 | Full packet | TCP | Device administration |
| Diameter | 3868 | Full session | TCP / SCTP | Carrier / mobile networks |
| 802.1X | — | EAP-based | Layer 2 | Port-based access control |
TACACS+ encrypts the entire packet; RADIUS only encrypts the password field — a key exam distinction.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-701 practice question is part of Courseiva's free Cisco 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 350-701 exam.