MCQs on VPC Monitoring and Optimization | AWS Amazon VPC Virtual Private Cloud
AWS Amazon VPC MCQ Questions and Answers – VPC Monitoring and Optimization
AWS Amazon VPC (Virtual Private Cloud) is a fundamental component for setting up isolated networks in the cloud. Monitoring and optimizing your VPC is essential to ensure high performance, security, and cost-efficiency. This set of 30 AWS Amazon VPC MCQ questions and answers covers topics like VPC flow logs, network performance optimization, and cost management in VPC, designed to boost your understanding and help you prepare for exams or real-world implementations.
VPC Flow Logs
- What is the purpose of VPC Flow Logs in AWS?
a) To monitor CPU utilization
b) To capture network traffic metadata
c) To manage access permissions
d) To monitor disk space usage - Which AWS service stores VPC Flow Logs by default?
a) Amazon S3
b) AWS Lambda
c) Amazon EC2
d) Amazon CloudWatch Logs - What type of data is included in VPC Flow Logs?
a) Memory usage and CPU metrics
b) Traffic data, such as source and destination IPs
c) Detailed cost analysis
d) System errors and warnings - Which of the following can trigger the creation of VPC Flow Logs?
a) Manually configured CloudTrail events
b) Inbound and outbound network traffic
c) User authentication failures
d) EC2 instance shutdowns - VPC Flow Logs can be used for:
a) Real-time data processing
b) Network traffic analysis and security auditing
c) Instance-level monitoring
d) IAM policy management
Network Performance Optimization
- Which AWS service can help optimize VPC network performance by enabling routing between VPCs?
a) AWS Direct Connect
b) Amazon Route 53
c) AWS Transit Gateway
d) AWS CloudFront - What is the primary benefit of enabling VPC peering for network performance?
a) It allows communication between EC2 instances within the same VPC
b) It reduces the network latency between two VPCs
c) It increases the maximum bandwidth
d) It enhances firewall security - How does AWS Direct Connect optimize VPC network performance?
a) By reducing reliance on the internet for network traffic
b) By scaling EC2 instances
c) By optimizing memory usage
d) By controlling disk I/O - What is a potential issue when using NAT gateways for network optimization in VPC?
a) Limited bandwidth and single point of failure
b) High disk I/O usage
c) Excessive EC2 instance cost
d) Increased CPU load - Which feature helps improve network performance by lowering the cost and optimizing traffic flow between VPCs?
a) AWS PrivateLink
b) Amazon Route 53
c) VPC Flow Logs
d) AWS Global Accelerator
Cost Management in VPC
- Which of the following is a key factor for managing costs within AWS VPC?
a) Optimizing EC2 instance types
b) Utilizing AWS Direct Connect
c) Using VPC peering
d) Reducing S3 storage costs - How can VPC Flow Logs contribute to cost management?
a) By allowing users to adjust EC2 instance sizes
b) By providing insight into data transfer and storage costs
c) By eliminating the need for network encryption
d) By reducing traffic between VPCs - What is the most cost-effective way to manage inter-VPC traffic?
a) Use VPC Peering
b) Enable VPC Flow Logs
c) Implement AWS Transit Gateway
d) Use VPN Connections - How can you reduce data transfer costs between your VPC and on-premises servers?
a) Use AWS Direct Connect
b) Use CloudWatch for monitoring
c) Use Amazon Route 53
d) Use AWS Lambda - Which AWS tool provides insights into the cost allocation for VPC resources?
a) AWS Trusted Advisor
b) AWS Cost Explorer
c) AWS CloudTrail
d) Amazon CloudWatch
Additional Questions
- What is the impact of enabling VPC Flow Logs on network performance?
a) It can improve security monitoring
b) It may cause network performance degradation
c) It has no impact on performance
d) It enhances data throughput - What is an advantage of AWS Transit Gateway in optimizing network traffic?
a) Reduces the need for VPNs
b) Provides cost-free data transfers
c) Reduces complexity by simplifying VPC peering
d) Encrypts data for improved security - Which AWS feature allows monitoring of network traffic for security auditing?
a) AWS CloudTrail
b) VPC Flow Logs
c) AWS Shield
d) AWS Security Hub - What can help reduce the cost of outbound traffic in AWS VPC?
a) Use Amazon S3 for data storage
b) Use NAT instances instead of NAT gateways
c) Optimize EC2 instance size
d) Use CloudWatch to monitor data transfers - What factor can impact the cost of data transfer within a VPC?
a) The instance type used
b) The type of Amazon EBS volume
c) The distance between regions
d) The VPC’s NAT gateway setup
VPC Flow Logs Configuration
- How do you enable VPC Flow Logs in AWS?
a) Use AWS Lambda
b) Through the AWS VPC Console
c) Through EC2 CLI
d) By setting up IAM policies - What type of traffic does VPC Flow Logs capture?
a) Only HTTP traffic
b) All inbound and outbound traffic
c) Only traffic from EC2 instances
d) Only traffic to and from S3 - Which of the following is true regarding the retention of VPC Flow Logs?
a) Logs are retained indefinitely by default
b) You can specify the retention period
c) Logs are only retained for 1 day
d) Flow Logs cannot be deleted once captured - Which format can VPC Flow Logs be delivered in?
a) JSON and XML
b) CSV and Parquet
c) CSV and JSON
d) HTML and XML - VPC Flow Logs can be used to:
a) Monitor instance health
b) Track network traffic patterns for auditing and troubleshooting
c) Configure automatic backups
d) Set up auto-scaling
Performance and Cost Optimization
- What is the impact of enabling AWS PrivateLink in a VPC?
a) It reduces the cost of inter-region data transfers
b) It allows private connectivity to AWS services
c) It optimizes EC2 instance performance
d) It encrypts all incoming traffic - How can you reduce NAT gateway costs in VPC?
a) By using NAT instances instead
b) By using Amazon S3
c) By optimizing EC2 instances
d) By using Elastic Load Balancing - What feature of AWS VPC helps to simplify network management and improve performance?
a) AWS Global Accelerator
b) AWS Direct Connect
c) Amazon Route 53
d) AWS Transit Gateway - Which service can be used to monitor VPC costs and usage effectively?
a) AWS Cost Explorer
b) AWS CloudTrail
c) Amazon EC2
d) AWS Trusted Advisor - Which of the following can reduce VPC traffic costs when connecting to on-premises infrastructure?
a) Use AWS Direct Connect
b) Use VPC Peering
c) Use VPN Connections
d) Use CloudFront
Answer Key
| Qno | Answer |
|---|---|
| 1 | b) To capture network traffic metadata |
| 2 | d) Amazon CloudWatch Logs |
| 3 | b) Traffic data, such as source and destination IPs |
| 4 | b) Inbound and outbound network traffic |
| 5 | b) Network traffic analysis and security auditing |
| 6 | c) AWS Transit Gateway |
| 7 | b) It reduces the network latency between two VPCs |
| 8 | a) By reducing reliance on the internet for network traffic |
| 9 | a) Limited bandwidth and single point of failure |
| 10 | d) AWS Global Accelerator |
| 11 | a) Optimizing EC2 instance types |
| 12 | b) By providing insight into data transfer and storage costs |
| 13 | a) Use VPC Peering |
| 14 | a) Use AWS Direct Connect |
| 15 | b) AWS Cost Explorer |
| 16 | b) It may cause network performance degradation |
| 17 | c) Reduces complexity by simplifying VPC peering |
| 18 | b) VPC Flow Logs |
| 19 | b) Use NAT instances instead of NAT gateways |
| 20 | c) The distance between regions |
| 21 | b) Through the AWS VPC Console |
| 22 | b) All inbound and outbound traffic |
| 23 | b) You can specify the retention period |
| 24 | c) CSV and JSON |
| 25 | b) Track network traffic patterns for auditing and troubleshooting |
| 26 | b) It allows private connectivity to AWS services |
| 27 | a) By using NAT instances instead |
| 28 | d) AWS Transit Gateway |
| 29 | a) AWS Cost Explorer |
| 30 | a) Use AWS Direct Connect |