Common Traps on Show IP Route Output Practice Questions
- ·Longest-prefix match is checked before administrative distance.
- ·Connected and local routes can appear alongside dynamic or static routes.
- ·The selected route may not be the one with the lowest metric if the prefix length differs.
Sample Questions
Practice all 15 →A SysOps administrator needs to monitor the disk usage on Amazon EC2 instances running Linux. The administrator wants to collect disk utilization metrics every 5 minutes and set up an alarm when disk usage exceeds 80%. Which solution meets these requirements?
Explanation: Amazon EC2 does not publish disk utilization metrics to CloudWatch by default. The CloudWatch agent must be installed on the instances to collect custom metrics such as disk space usage. The agent can be configured to collect and send these metrics every 5 minutes, and a CloudWatch alarm can then be set on the metric.
A company runs a web application on Amazon EC2 instances behind an Application Load Balancer (ALB). The SysOps administrator needs to monitor the application's HTTP 5xx error rate and set an alarm when the error rate exceeds 5% over a 5-minute period. The alarm must trigger an Amazon SNS notification. Which metric should be used for the alarm?
Explanation: For an ALB, the metric 'HTTPCode_Target_5XX_Count' reports HTTP 5xx responses from the target (EC2 instances). This is the correct metric to monitor application errors. 'HTTPCode_ELB_5XX_Count' (Option A) tracks ALB internal errors, not target errors. 'RequestCount' (Option C) is total requests, not error rate. 'TargetResponseTime' (Option D) measures latency, not error count.
A company runs a multi-tier application that uses an Amazon RDS for PostgreSQL database. The SysOps administrator needs to monitor the database for performance anomalies, such as sudden spikes in connections or query latencies. The administrator wants to receive alerts when metrics deviate from their expected baseline. The solution must automatically adjust to changes in normal behavior over time, such as seasonal patterns. Which AWS service or feature should the administrator use?
Explanation: CloudWatch Anomaly Detection uses machine learning to analyze historical metric patterns and create a band of expected values. It automatically adapts to trends and seasonal patterns. The administrator can create an alarm that triggers when the metric falls outside the anomaly band. RDS Performance Insights provides database performance analysis but not anomaly detection based on historical baselines. CloudWatch Metrics Explorer is for visualizing metrics. AWS X-Ray traces requests across services but is not for database metric anomaly detection.
A company runs a web application on Amazon EC2 instances. The application logs are sent to Amazon CloudWatch Logs. The SysOps administrator needs to monitor the logs for an increasing number of HTTP 500 errors. The administrator wants to create a metric filter that will count the number of lines containing 'HTTP 500' in the log group. Which syntax should the administrator use for the metric filter pattern?
Explanation: CloudWatch Logs metric filter patterns are either space-delimited or JSON-based. For a literal string match, you enclose the pattern in quotes. The pattern "HTTP 500" will match any log line that contains the exact string 'HTTP 500'. Option A is incorrect because square brackets are used for space-delimited patterns where each term is a field; here the pattern is not space-delimited fields. Option C is incorrect; the && operator is not used in CloudWatch Logs filter patterns; you can use multiple terms separated by spaces with quotes for exact phrases. Option D is incorrect; the square bracket syntax expects a list of fields and wildcards, not a specific string.
A company runs a web application on Amazon EC2 instances. The SysOps administrator needs to monitor two metrics: high CPU utilization (greater than 90%) and high memory utilization (greater than 85%). An alarm should trigger when both conditions are true simultaneously for a period of 5 minutes. Which CloudWatch feature should the administrator use to create this alarm?
Explanation: A CloudWatch Composite Alarm allows you to combine multiple alarms using logical operators (AND, OR, NOT). You can create separate alarms for CPU > 90% and memory > 85%, then create a composite alarm that triggers only when both are in ALARM state for the specified period. Metric math is used to create new time series metrics, not to set combined alarm conditions. Anomaly detection is for dynamic thresholds. Logs Insights is for log analysis, not metric alarms.
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Frequently asked questions
How do "Show IP Route Output Practice Questions" appear on the real SOA-C02?
Practise interpreting routing-table output, route selection, administrative distance, metrics, next hops and longest-prefix match. These appear throughout the SOA-C02 and require you to apply your knowledge, not just recall facts.
How many scenario questions are on the SOA-C02 exam?
Cisco doesn't publish an exact breakdown, but scenario-based questions (especially exhibit and command-output formats) make up a significant portion of the SOA-C02. Practicing each scenario type ensures you're ready for any format.
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