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Cloud · Networking & CDN interview questions

42 real Cloud · Networking & CDN questions from the Cloud bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.

1. What is CloudFront?

Junior
  1. A.an AWS Layer 4 load balancer for ultra-low-latency TCP/UDP traffic at scale
  2. B.a routing method where one IP is advertised from many locations to reach the nearest one
  3. C.AWS's content delivery network that caches content at global edge locations
  4. D.GCP's content delivery network integrated with Cloud Load Balancing
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3. Which statement is correct?

Junior
  1. A.CloudFront — an extra CloudFront caching layer in front of the origin to reduce origin load
  2. B.CloudFront — AWS's content delivery network that caches content at global edge locations
  3. C.CloudFront — GCP's content delivery network integrated with Cloud Load Balancing
  4. D.CloudFront — Azure's global Layer 7 load balancer and CDN with edge acceleration
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4. What is Route 53?

Junior
  1. A.AWS's content delivery network that caches content at global edge locations
  2. B.an AWS Layer 7 load balancer that routes HTTP/HTTPS traffic by content rules
  3. C.a routing method where one IP is advertised from many locations to reach the nearest one
  4. D.AWS's scalable DNS and domain registration service
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6. Which statement is correct?

Junior
  1. A.Route 53 — an extra CloudFront caching layer in front of the origin to reduce origin load
  2. B.Route 53 — Azure's global Layer 7 load balancer and CDN with edge acceleration
  3. C.Route 53 — AWS's scalable DNS and domain registration service
  4. D.Route 53 — an AWS Layer 7 load balancer that routes HTTP/HTTPS traffic by content rules
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7. What is Application Load Balancer?

Junior
  1. A.an AWS Layer 7 load balancer that routes HTTP/HTTPS traffic by content rules
  2. B.an extra CloudFront caching layer in front of the origin to reduce origin load
  3. C.Azure's global Layer 7 load balancer and CDN with edge acceleration
  4. D.GCP's content delivery network integrated with Cloud Load Balancing
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9. Which statement is correct?

Junior
  1. A.Application Load Balancer — a routing method where one IP is advertised from many locations to reach the nearest one
  2. B.Application Load Balancer — an AWS Layer 7 load balancer that routes HTTP/HTTPS traffic by content rules
  3. C.Application Load Balancer — an extra CloudFront caching layer in front of the origin to reduce origin load
  4. D.Application Load Balancer — GCP's content delivery network integrated with Cloud Load Balancing
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10. What is Network Load Balancer?

Mid
  1. A.an AWS Layer 4 load balancer for ultra-low-latency TCP/UDP traffic at scale
  2. B.AWS's content delivery network that caches content at global edge locations
  3. C.an AWS Layer 7 load balancer that routes HTTP/HTTPS traffic by content rules
  4. D.AWS's scalable DNS and domain registration service
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12. Which statement is correct?

Mid
  1. A.Network Load Balancer — an AWS Layer 4 load balancer for ultra-low-latency TCP/UDP traffic at scale
  2. B.Network Load Balancer — AWS's content delivery network that caches content at global edge locations
  3. C.Network Load Balancer — Azure's global Layer 7 load balancer and CDN with edge acceleration
  4. D.Network Load Balancer — a routing method where one IP is advertised from many locations to reach the nearest one
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13. What is Cloud CDN?

Mid
  1. A.Azure's global Layer 7 load balancer and CDN with edge acceleration
  2. B.an AWS Layer 4 load balancer for ultra-low-latency TCP/UDP traffic at scale
  3. C.an extra CloudFront caching layer in front of the origin to reduce origin load
  4. D.GCP's content delivery network integrated with Cloud Load Balancing
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15. Which statement is correct?

Mid
  1. A.Cloud CDN — AWS's content delivery network that caches content at global edge locations
  2. B.Cloud CDN — an extra CloudFront caching layer in front of the origin to reduce origin load
  3. C.Cloud CDN — GCP's content delivery network integrated with Cloud Load Balancing
  4. D.Cloud CDN — Azure's global Layer 7 load balancer and CDN with edge acceleration
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16. What is Azure Front Door?

Mid
  1. A.an extra CloudFront caching layer in front of the origin to reduce origin load
  2. B.Azure's global Layer 7 load balancer and CDN with edge acceleration
  3. C.AWS's scalable DNS and domain registration service
  4. D.a routing method where one IP is advertised from many locations to reach the nearest one
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18. Which statement is correct?

Mid
  1. A.Azure Front Door — Azure's global Layer 7 load balancer and CDN with edge acceleration
  2. B.Azure Front Door — GCP's content delivery network integrated with Cloud Load Balancing
  3. C.Azure Front Door — AWS's scalable DNS and domain registration service
  4. D.Azure Front Door — an AWS Layer 4 load balancer for ultra-low-latency TCP/UDP traffic at scale
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19. What is Anycast?

Senior
  1. A.an extra CloudFront caching layer in front of the origin to reduce origin load
  2. B.Azure's global Layer 7 load balancer and CDN with edge acceleration
  3. C.an AWS Layer 4 load balancer for ultra-low-latency TCP/UDP traffic at scale
  4. D.a routing method where one IP is advertised from many locations to reach the nearest one
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21. Which statement is correct?

Senior
  1. A.Anycast — AWS's scalable DNS and domain registration service
  2. B.Anycast — Azure's global Layer 7 load balancer and CDN with edge acceleration
  3. C.Anycast — a routing method where one IP is advertised from many locations to reach the nearest one
  4. D.Anycast — AWS's content delivery network that caches content at global edge locations
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22. What is Origin Shield?

Senior
  1. A.AWS's content delivery network that caches content at global edge locations
  2. B.GCP's content delivery network integrated with Cloud Load Balancing
  3. C.an AWS Layer 4 load balancer for ultra-low-latency TCP/UDP traffic at scale
  4. D.an extra CloudFront caching layer in front of the origin to reduce origin load
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24. Which statement is correct?

Senior
  1. A.Origin Shield — an extra CloudFront caching layer in front of the origin to reduce origin load
  2. B.Origin Shield — an AWS Layer 7 load balancer that routes HTTP/HTTPS traffic by content rules
  3. C.Origin Shield — AWS's scalable DNS and domain registration service
  4. D.Origin Shield — Azure's global Layer 7 load balancer and CDN with edge acceleration
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25. What does aws cloudfront create-invalidation do?

Junior
  1. A.creates, updates, or deletes DNS records in a Route 53 hosted zone
  2. B.creates a target group for routing load balancer traffic to backends
  3. C.purges cached objects from CloudFront edge locations
  4. D.lists the DNS hosted zones in the account
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26. Which command will purges cached objects from CloudFront edge locations?

Junior
  1. A.aws route53 list-hosted-zones
  2. B.aws cloudfront create-distribution
  3. C.aws route53 change-resource-record-sets
  4. D.aws cloudfront create-invalidation
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27. Which statement is correct?

Junior
  1. A.aws cloudfront create-invalidation — creates, updates, or deletes DNS records in a Route 53 hosted zone
  2. B.aws cloudfront create-invalidation — lists the DNS hosted zones in the account
  3. C.aws cloudfront create-invalidation — purges cached objects from CloudFront edge locations
  4. D.aws cloudfront create-invalidation — creates a target group for routing load balancer traffic to backends
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28. What does aws route53 change-resource-record-sets do?

Junior
  1. A.lists the DNS hosted zones in the account
  2. B.creates a target group for routing load balancer traffic to backends
  3. C.creates, updates, or deletes DNS records in a Route 53 hosted zone
  4. D.purges cached objects from CloudFront edge locations
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29. Which command will creates, updates, or deletes DNS records in a Route 53 hosted zone?

Junior
  1. A.aws cloudfront create-invalidation
  2. B.aws route53 change-resource-record-sets
  3. C.aws elbv2 create-target-group
  4. D.aws elbv2 create-load-balancer
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30. Which statement is correct?

Junior
  1. A.aws route53 change-resource-record-sets — creates, updates, or deletes DNS records in a Route 53 hosted zone
  2. B.aws route53 change-resource-record-sets — creates a CloudFront distribution mapped to one or more origins
  3. C.aws route53 change-resource-record-sets — lists the DNS hosted zones in the account
  4. D.aws route53 change-resource-record-sets — creates a target group for routing load balancer traffic to backends
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