- A
SNMP read requests from any host in the 192.168.1.0/24 network using community 'MyComm' will be accepted.
The access-list 10 permits the 192.168.1.0/24 network, and the community is tied to that ACL, so only those hosts can use 'MyComm' for read access.
- B
SNMP read and write requests from 192.168.1.0/24 using community 'MyComm' will be accepted.
Why wrong: The community is configured with 'RO' (read-only), so write requests are not allowed.
- C
Only SNMP requests from the 192.168.1.0/24 network are allowed, regardless of community string.
Why wrong: The ACL is applied specifically to the 'MyComm' community. Other communities (if any) are not restricted by this ACL.
- D
The access-list 10 is incomplete; it needs a deny statement to block other traffic.
Why wrong: Access-lists have an implicit deny at the end, so only permitted traffic is allowed. No explicit deny is required.
Quick Answer
The answer is that SNMP read requests from any host in the 192.168.1.0/24 network using community 'MyComm' will be accepted. This is correct because the `snmp-server community MyComm RO 10` command binds the read-only community string to access-list 10, which explicitly permits only the 192.168.1.0/24 subnet. The ACL acts as a filter on the SNMP agent, dropping requests from any source IP not matching the permit statement, even if the correct community string is supplied. On the ENCOR 350-401 exam, this tests your understanding of how SNMP community access list restriction works—a common trap is assuming the ACL number alone restricts SNMP versions or that the community string itself provides network-level security. Remember the key principle: the community string authenticates, but the ACL authorizes the source network. A useful memory tip is “Community for keys, ACL for doors”—the community opens the lock, but the ACL decides which doors (networks) can enter.
350-401 SNMP and Syslog Practice Question
This 350-401 practice question tests your understanding of snmp and syslog. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Examine this SNMP configuration snippet from a Cisco IOS-XE router:
snmp-server community MyComm RO 10 access-list 10 permit 192.168.1.0 0.0.0.255
What is the effect of this configuration?
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
SNMP read requests from any host in the 192.168.1.0/24 network using community 'MyComm' will be accepted.
The community string 'MyComm' is configured with read-only access and is restricted by access-list 10, which permits only the 192.168.1.0/24 network.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
SNMP read requests from any host in the 192.168.1.0/24 network using community 'MyComm' will be accepted.
Why this is correct
The access-list 10 permits the 192.168.1.0/24 network, and the community is tied to that ACL, so only those hosts can use 'MyComm' for read access.
Related concept
Standard ACLs match source addresses.
- ✗
SNMP read and write requests from 192.168.1.0/24 using community 'MyComm' will be accepted.
Why it's wrong here
The community is configured with 'RO' (read-only), so write requests are not allowed.
- ✗
Only SNMP requests from the 192.168.1.0/24 network are allowed, regardless of community string.
Why it's wrong here
The ACL is applied specifically to the 'MyComm' community. Other communities (if any) are not restricted by this ACL.
- ✗
The access-list 10 is incomplete; it needs a deny statement to block other traffic.
Why it's wrong here
Access-lists have an implicit deny at the end, so only permitted traffic is allowed. No explicit deny is required.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
- Standard ACLs match source addresses.
- Extended ACLs can match source, destination, protocol and ports.
- The first matching ACL entry is used.
- There is usually an implicit deny at the end.
TExam Day Tips
- Check inbound versus outbound direction.
- Read the ACL from top to bottom.
- Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Real-world example
How this comes up in practice
A security administrator must allow nursing staff to reach a patient records server while blocking access from the guest Wi-Fi VLAN. After applying an extended ACL, traffic is still blocked from nursing workstations. The ACL was applied outbound instead of inbound on the wrong interface. Questions like this test ACL direction and placement rules.
What to study next
Got this wrong? Here's your next step.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related 350-401 ACL questions on filtering logic and placement.
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FAQ
Questions learners often ask
What does this 350-401 question test?
SNMP and Syslog — This question tests SNMP and Syslog — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: SNMP read requests from any host in the 192.168.1.0/24 network using community 'MyComm' will be accepted. — The community string 'MyComm' is configured with read-only access and is restricted by access-list 10, which permits only the 192.168.1.0/24 network.
What should I do if I get this 350-401 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related 350-401 ACL questions on filtering logic and placement.
What is the key concept behind this question?
Standard ACLs match source addresses.
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Last reviewed: Jun 18, 2026
This 350-401 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 350-401 exam.
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