AWS SNS MCQs (25)
1) SNS stands for?
A. Simple Notification Service
B. Secure Network Service
C. Simple Network Storage
D. Server Notification System
2) AWS SNS follows which messaging model?
A. Point-to-point
B. Publish/Subscribe (Pub/Sub)
C. Client-server only
D. Peer-to-peer
3) In SNS, messages are published to?
A. Queue
B. Topic
C. Bucket
D. Instance
4) Subscribers in SNS can be?
A. Email
B. SQS
C. Lambda
D. All of the above
5) SNS is mainly used for?
A. Notifications and fan-out messaging
B. Storing files
C. Hosting websites
D. Running databases
6) SNS can send SMS messages?
A. Yes
B. No
C. Only in test mode
D. Only with EC2
7) Which statement is true about SNS topics?
A. One topic can have multiple subscribers
B. One topic supports only one subscriber
C. Topics are storage devices
D. Topics run code
8) SNS guarantees message delivery to?
A. Confirmed endpoints (depending on protocol)
B. Only EC2
C. Only S3
D. Nobody
9) Which AWS service is often used with SNS for queues?
A. SQS
B. EBS
C. Route 53
D. CloudFront
10) SNS + SQS combination is mainly used for?
A. Fan-out architecture
B. Data storage
C. DNS resolution
D. Image hosting
11) SNS messages are pushed or pulled?
A. Push-based
B. Pull-based
C. Manual download
D. FTP-based
12) Which protocol requires subscription confirmation?
A. Email
B. Lambda
C. SQS
D. None
13) SNS supports message filtering using?
A. Filter Policies
B. Route Tables
C. Security Groups
D. Buckets
14) SNS encryption at rest is possible using?
A. AWS KMS
B. IAM
C. Route 53
D. CloudWatch
15) SNS is commonly used for?
A. Alert notifications
B. Application events
C. Monitoring alerts
D. All of the above
16) Which service commonly sends alarms to SNS?
A. CloudWatch
B. RDS
C. S3 only
D. Route 53
17) SNS message size limit is approximately?
A. 256 KB
B. 5 GB
C. 1 MB
D. Unlimited
18) Which is NOT a valid SNS subscriber protocol?
A. Email
B. HTTP/HTTPS
C. Lambda
D. EBS Volume
19) SNS FIFO topics are used when?
A. Message ordering is required
B. Storage needed
C. DNS routing
D. CDN caching
20) SNS Standard topics provide?
A. High throughput and best-effort ordering
B. Strict ordering only
C. Database transactions
D. Private networking
21) Which AWS service can trigger Lambda using SNS?
A. SNS Topic
B. EBS
C. VPC
D. IAM
22) SNS Access control is managed using?
A. IAM policies
B. Route tables
C. NACL
D. Buckets
23) Dead-letter queue (DLQ) with SNS is used for?
A. Failed message deliveries
B. Faster delivery
C. Data storage
D. Encryption
24) SNS can send notifications to mobile apps using?
A. Mobile Push Notifications
B. EC2 only
C. S3 events
D. IAM users
25) SNS is best described as?
A. Managed pub/sub messaging service
B. File storage service
C. Compute service
D. Virtual network
Answer Key
1) A
2) B
3) B
4) D
5) A
6) A
7) A
8) A
9) A
10) A
11) A
12) A
13) A
14) A
15) D
16) A
17) A
18) D
19) A
20) A
21) A
22) A
23) A
24) A
25) A