- A
The 'monitor' user uses deprecated authentication and privacy protocols.
MD5 and DES are deprecated in favor of SHA and AES due to security vulnerabilities.
- B
The 'admin' user can only read MIB objects.
Why wrong: The group name 'admin' suggests read-write access, but the actual permissions depend on the group configuration, which is not shown.
- C
Both users use the same engine ID.
Why wrong: The engine IDs are different: '800000090300001122334455' vs '800000090300AABBCCDDEEFF'.
- D
The 'monitor' user cannot authenticate because MD5 is not supported.
Why wrong: MD5 is still supported, though deprecated; authentication will work.
Question 949 of 2,152
How to Interpret show snmp user Output
This 300-410 practice question tests your understanding of snmp troubleshooting. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A network engineer runs the following command on Router R1:
R1# show snmp user
User name: monitor Engine ID: 800000090300001122334455 storage-type: nonvolatile Authentication Protocol: MD5 Privacy Protocol: DES Group-name: readonly
User name: admin Engine ID: 800000090300AABBCCDDEEFF storage-type: nonvolatile Authentication Protocol: SHA Privacy Protocol: AES256 Group-name: admin
Based on this output, which statement is correct?
Quick Answer
The correct statement is that the 'monitor' user uses deprecated authentication and privacy protocols. This is because the output of the show snmp user command reveals that the 'monitor' user is configured with MD5 for authentication and DES for privacy, both of which are considered weak and have been deprecated in favor of stronger algorithms like SHA and AES. In contrast, the 'admin' user employs SHA and AES256, reflecting modern security standards. On the Cisco CCNP ENARSI 300-410 exam, this command tests your ability to interpret SNMPv3 user configurations and recognize deprecated versus recommended cryptographic protocols—a common trap is to focus solely on group names or engine IDs while overlooking the protocol fields. A useful memory tip is to remember that MD5 and DES are "old and broken," just like a "monitor" that is outdated, while SHA and AES are "strong and secure," like an "admin" who follows best practices.
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
✓
The 'monitor' user uses deprecated authentication and privacy protocols.
The 'monitor' user is configured with MD5 for authentication and DES for privacy. Both MD5 and DES are considered deprecated in SNMPv3 due to known security vulnerabilities; RFC 3414 defines MD5 as a weaker authentication protocol, and DES (56-bit key) is no longer recommended for encryption. The output confirms these protocols are in use, making option A correct.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The 'monitor' user uses deprecated authentication and privacy protocols.
Why this is correct
MD5 and DES are deprecated in favor of SHA and AES due to security vulnerabilities.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
The 'admin' user can only read MIB objects.
Why it's wrong here
The group name 'admin' suggests read-write access, but the actual permissions depend on the group configuration, which is not shown.
- ✗
Both users use the same engine ID.
Why it's wrong here
The engine IDs are different: '800000090300001122334455' vs '800000090300AABBCCDDEEFF'.
- ✗
The 'monitor' user cannot authenticate because MD5 is not supported.
Why it's wrong here
MD5 is still supported, though deprecated; authentication will work.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that any protocol listed in the output is automatically secure, but the trap here is that MD5 and DES are explicitly deprecated in SNMPv3, and candidates may overlook the security implications of these legacy protocols.
Trap categories for this question
Command / output trap
The group name 'admin' suggests read-write access, but the actual permissions depend on the group configuration, which is not shown.
Detailed technical explanation
How to think about this question
SNMPv3 engine IDs are unique per device and are used to generate localized keys from the user's password. The engine ID format 80000009 indicates an IETF-defined enterprise number (Cisco's is 9), followed by the MAC address or configured identifier. In production, using MD5 and DES is discouraged; modern deployments should use SHA-2 (e.g., SHA-256) for authentication and AES-128 or higher for privacy to comply with security best practices.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 300-410 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
Quick reference
Symmetric Encryption Algorithm Comparison
| Algorithm | Key Size | Block Size | Status | Notes |
|---|---|---|---|---|
| AES-128 | 128-bit | 128-bit | Current standard | NIST approved; WPA3, TLS |
| AES-256 | 256-bit | 128-bit | Current standard | Preferred for sensitive / govt data |
| 3DES | 112-bit effective | 64-bit | Deprecated (2023) | Replaced by AES |
| DES | 56-bit | 64-bit | Broken | Cracked in < 24 h; never deploy |
| ChaCha20 | 256-bit | Stream cipher | Current | TLS 1.3, WireGuard |
What to study next
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FAQ
Questions learners often ask
What does this 300-410 question test?
SNMP Troubleshooting — This question tests SNMP Troubleshooting — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The 'monitor' user uses deprecated authentication and privacy protocols. — The 'monitor' user is configured with MD5 for authentication and DES for privacy. Both MD5 and DES are considered deprecated in SNMPv3 due to known security vulnerabilities; RFC 3414 defines MD5 as a weaker authentication protocol, and DES (56-bit key) is no longer recommended for encryption. The output confirms these protocols are in use, making option A correct.
What should I do if I get this 300-410 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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