This 200-301 practice question tests your understanding of ai and network operations. 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.
Network Topology
You are connected to R1, a Cisco router running IOS-XE. Configure SNMP v2c with a read-only community string 'publicRW' (note: the string is intentionally misnamed for the task), and SNMP v3 with user 'admin' using MD5 authentication (password 'cisco123') and DES encryption (password 'cisco456'). Ensure SNMP traps for linkUp/linkDown are sent to the management server at 192.0.2.100. Additionally, configure NetFlow export to send version 9 flow records to 192.0.2.200 on UDP port 2055, and ensure that only inbound traffic on GigabitEthernet0/0 is monitored. Finally, verify your configuration using 'show snmp' and 'show ip cache flow'.
R1#show running-config | section snmp
snmp-server community publicRW RO
snmp-server location Datacenter
snmp-server contact admin@example.com
!
R1#show running-config | include ip flow
i
R1#show ip cache flow
No flow cache configured.
A
snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
interface GigabitEthernet0/0
ip flow ingress
This configuration correctly sets the SNMP v2c read-only community string 'publicRW', creates the SNMP v3 user with MD5 authentication and DES encryption, enables linkUp/linkDown traps, sends traps to 192.0.2.100 using v2c, configures NetFlow export to 192.0.2.200 on UDP 2055 with version 9, and applies NetFlow ingress on an interface. The 'show snmp' and 'show ip cache flow' commands will verify the settings.
B
snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
Why wrong: This configuration is missing the 'ip flow ingress' command on an interface, which is required to enable NetFlow data collection. Without it, no flow records will be exported, and 'show ip cache flow' will show no entries.
C
snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
interface GigabitEthernet0/0
ip flow egress
Why wrong: This configuration uses 'ip flow egress' instead of 'ip flow ingress'. While egress flow monitoring is valid, the task does not specify direction; however, ingress is more commonly used and the verification command 'show ip cache flow' expects ingress flows by default. More importantly, the task requires NetFlow export to work, and using egress may not capture the desired traffic.
D
snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
interface GigabitEthernet0/0
ip flow monitor FLOW-MONITOR input
Why wrong: This configuration uses 'ip flow monitor' which is a newer Flexible NetFlow command, but the task requires traditional NetFlow (version 9). The 'ip flow monitor' command requires a flow monitor configuration that is not provided, and it does not work with 'ip flow-export version 9' in the same way. The correct command for traditional NetFlow is 'ip flow ingress'.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
interface GigabitEthernet0/0
ip flow ingress
The initial configuration has an SNMP v2c community string 'publicRW' set as RO, but the task requires it to be the read-only string. The SNMP v3 user 'admin' with MD5/DES is missing entirely, as are trap destinations and NetFlow export. To fix, first add the SNMP v3 user with 'snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456', then enable traps with 'snmp-server enable traps snmp linkdown linkup' and 'snmp-server host 192.0.2.100 traps version 2c publicRW'. For NetFlow, configure 'ip flow-export destination 192.0.2.200 2055', 'ip flow-export version 9', and apply flow monitoring on an interface (e.g., 'interface GigabitEthernet0/0' with 'ip flow ingress'). The 'show snmp' command will display the community strings and trap receivers, while 'show ip cache flow' will show flow records.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
interface GigabitEthernet0/0
ip flow ingress
Why this is correct
This configuration correctly sets the SNMP v2c read-only community string 'publicRW', creates the SNMP v3 user with MD5 authentication and DES encryption, enables linkUp/linkDown traps, sends traps to 192.0.2.100 using v2c, configures NetFlow export to 192.0.2.200 on UDP 2055 with version 9, and applies NetFlow ingress on an interface. The 'show snmp' and 'show ip cache flow' commands will verify the settings.
Related concept
Static NAT maps one inside address to one outside address.
✗
snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
Why it's wrong here
This configuration is missing the 'ip flow ingress' command on an interface, which is required to enable NetFlow data collection. Without it, no flow records will be exported, and 'show ip cache flow' will show no entries.
✗
snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
interface GigabitEthernet0/0
ip flow egress
Why it's wrong here
This configuration uses 'ip flow egress' instead of 'ip flow ingress'. While egress flow monitoring is valid, the task does not specify direction; however, ingress is more commonly used and the verification command 'show ip cache flow' expects ingress flows by default. More importantly, the task requires NetFlow export to work, and using egress may not capture the desired traffic.
✗
snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
interface GigabitEthernet0/0
ip flow monitor FLOW-MONITOR input
Why it's wrong here
This configuration uses 'ip flow monitor' which is a newer Flexible NetFlow command, but the task requires traditional NetFlow (version 9). The 'ip flow monitor' command requires a flow monitor configuration that is not provided, and it does not work with 'ip flow-export version 9' in the same way. The correct command for traditional NetFlow is 'ip flow ingress'.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The 200-301 exam frequently reuses these exact scenarios with slightly different constraints.
✓snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
interface GigabitEthernet0/0
ip flow ingressCorrect answer▾
Why this is correct
This configuration correctly sets the SNMP v2c read-only community string 'publicRW', creates the SNMP v3 user with MD5 authentication and DES encryption, enables linkUp/linkDown traps, sends traps to 192.0.2.100 using v2c, configures NetFlow export to 192.0.2.200 on UDP 2055 with version 9, and applies NetFlow ingress on an interface. The 'show snmp' and 'show ip cache flow' commands will verify the settings.
✗snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9Wrong answer — click to see why▾
Why this is wrong here
NetFlow requires flow monitoring to be enabled on at least one interface using 'ip flow ingress' (or egress) to generate flow records. Omitting this step results in no flow data.
Why candidates choose this
Candidates may think that configuring the export destination and version is sufficient for NetFlow to work, forgetting that flow collection must be enabled on an interface.
✗snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
interface GigabitEthernet0/0
ip flow egressWrong answer — click to see why▾
Why this is wrong here
Using egress instead of ingress monitors outbound traffic, failing to meet the explicit requirement to monitor only inbound traffic on GigabitEthernet0/0.
Why candidates choose this
Candidates might confuse ingress and egress directions, or think that egress is also acceptable without considering the context of the verification command.
✗snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
interface GigabitEthernet0/0
ip flow monitor FLOW-MONITOR inputWrong answer — click to see why▾
Why this is wrong here
The task specifies NetFlow version 9, which is traditional NetFlow. Using 'ip flow monitor' implies Flexible NetFlow, which requires additional configuration (flow monitor definition) and is not compatible with the 'ip flow-export version 9' command in a straightforward manner.
Why candidates choose this
Candidates familiar with newer IOS-XE versions might use Flexible NetFlow commands, but the task explicitly asks for version 9, which is traditional NetFlow. The 'ip flow monitor' command is a common trap for those who confuse the two.
Analysis generated from the official 200-301blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Trap categories for this question
Command / output trap
This configuration is missing the 'ip flow ingress' command on an interface, which is required to enable NetFlow data collection. Without it, no flow records will be exported, and 'show ip cache flow' will show no entries.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 200-301 question in full detail.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 200-301 NAT questions on configuration and troubleshooting.
AI and Network Operations — This question tests AI and Network Operations — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: snmp-server community publicRW ro
snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456
snmp-server enable traps snmp linkdown linkup
snmp-server host 192.0.2.100 traps version 2c publicRW
ip flow-export destination 192.0.2.200 2055
ip flow-export version 9
interface GigabitEthernet0/0
ip flow ingress — The initial configuration has an SNMP v2c community string 'publicRW' set as RO, but the task requires it to be the read-only string. The SNMP v3 user 'admin' with MD5/DES is missing entirely, as are trap destinations and NetFlow export. To fix, first add the SNMP v3 user with 'snmp-server user admin admin v3 auth md5 cisco123 priv des cisco456', then enable traps with 'snmp-server enable traps snmp linkdown linkup' and 'snmp-server host 192.0.2.100 traps version 2c publicRW'. For NetFlow, configure 'ip flow-export destination 192.0.2.200 2055', 'ip flow-export version 9', and apply flow monitoring on an interface (e.g., 'interface GigabitEthernet0/0' with 'ip flow ingress'). The 'show snmp' command will display the community strings and trap receivers, while 'show ip cache flow' will show flow records.
What should I do if I get this 200-301 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 200-301 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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