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Which of the following best describes a CDN?
a. A single server for website hosting
b. A network of distributed servers delivering content
c. A desktop application
d. A security protocol
Answer: b. A network of distributed servers delivering contentaws.amazon+1
What is the main purpose of a CDN?
a. Increase website downtime
b. Speed up content delivery to end users
c. Encrypt data
d. Host domain names
Answer: b. Speed up content delivery to end usersglobaldots+1
Which technology does a CDN use to reduce latency?
a. Virtualization
b. Distributed caching
c. Binary search
d. Blockchain
Answer: b. Distributed cachingaws.amazon+1
Which CDN component holds copies of content for faster user access?
a. Origin server
b. Edge server
c. DNS server
d. Database server
Answer: b. Edge serverglobaldots+1
What does “origin pull” refer to in the context of CDN?
a. CDN uploads content directly
b. CDN fetches content from origin server upon user request
c. CDN deletes content periodically
d. CDN sends user data to origin server
Answer: b. CDN fetches content from origin server upon user requestinterviewquizz
Which item is typically distributed via CDN to improve performance?
a. Real-time sensor data
b. Static website assets
c. User credentials
d. BIOS firmware
Answer: b. Static website assetscloudflare+1
What is a “POP” in CDN terminology?
a. Point of Presence
b. Primary Online Protocol
c. Public Operating Platform
d. Program Operator Protection
Answer: a. Point of Presenceaws.amazon
How does geographical diversity improve CDN efficiency?
a. Increases security
b. Minimizes physical distance between users and servers
c. Enhances encryption strength
d. Reduces server hardware cost
Answer: b. Minimizes physical distance between users and serversgeeksforgeeks+1
Which of the following is NOT a benefit of using a CDN?
a. Reduced latency
b. Increased website availability
c. Increased bandwidth cost
d. Enhanced security
Answer: c. Increased bandwidth costgeeksforgeeks+1
What is “cache hit ratio” in CDN performance metrics?
a. Ratio of origin server requests served
b. Ratio of requests served from cache
c. Ratio of network traffic errors
d. Ratio of server uptime
Answer: b. Ratio of requests served from cachecloud.google+1
Which protocol is most commonly used for CDN content delivery?
a. FTP
b. HTTP/HTTPS
c. SMTP
d. POP3
Answer: b. HTTP/HTTPScloudflare+1
Which CDN feature helps mitigate Distributed Denial of Service (DDoS) attacks?
a. Edge server caching
b. Distributed infrastructure and rate-limiting
c. Vertical scaling
d. Local storage encryption
Answer: b. Distributed infrastructure and rate-limitingimperva+1
What is the function of SSL termination in CDN?
a. Encrypt all database connections
b. Handle SSL handshake and offload origin server workload
c. Manage user passwords
d. Optimize disk speed
Answer: b. Handle SSL handshake and offload origin server workloadinterviewquizz+1
Which service is an example of a CDN provider?
a. Netflix
b. Amazon CloudFront
c. Windows Explorer
d. BIOS
Answer: b. Amazon CloudFrontlibrary.fiveable+1
Which CDN strategy optimizes the delivery of video streaming?
a. Dynamic routing
b. Edge caching
c. Bulk uploading
d. Code minification
Answer: b. Edge cachinginterviewquizz+1
What is cache busting in CDN management?
a. Ensuring new content is served by changing URLs
b. Increasing cache lifespan
c. Encrypting cached data
d. Disabling edge servers
Answer: a. Ensuring new content is served by changing URLsinterviewquizz
CDNs handle which of the following types of traffic?
a. Mobile and desktop web traffic
b. Only email traffic
c. Database backup traffic
d. Print server traffic
Answer: a. Mobile and desktop web trafficcloudflare+1
What is CDN origin shielding?
a. Adding an intermediate cache layer to reduce origin load
b. Encrypting content at origin server
c. Disabling DNS lookups
d. Increasing bandwidth limit
Answer: a. Adding an intermediate cache layer to reduce origin loadinterviewquizz
In CDN, what does “cache miss” signify?
a. Content is unavailable at the edge server
b. User accessed the origin server directly
c. Content delivered from cache to user
d. All POPs are offline
Answer: a. Content is unavailable at the edge servercloud.google+1
How can CDNs support compliance requirements?
a. By only using encrypted disks
b. By offering data localization and logging features
c. By disabling all cache features
d. By enforcing two-factor authentication only
Answer: b. By offering data localization and logging featuresinterviewquizz
What are typical performance metrics of CDN?
a. Cache hit ratio, latency, TTFB, throughput, error rate
b. Server temperature, RAM size
c. Geographical distance, DNS protocol
d. User password length
Answer: a. Cache hit ratio, latency, TTFB, throughput, error ratecloud.google+1
Which protocol enables CDN to efficiently proxy content for global users?
a. IPsec
b. DNS
c. USB
d. WPA2
Answer: b. DNSglobaldots+1
What is the difference between web hosting and CDN?
a. CDN stores website files, web hosting distributes files globally
b. Web hosting stores files, CDN optimizes content delivery globally
c. CDN manages DNS, web hosting encrypts data
d. Both are the same
Answer: b. Web hosting stores files, CDN optimizes content delivery globallyslideshare+1
Which header is commonly used in CDN cache management?
a. Authorization
b. Cache-Control
c. Content-Security-Policy
d. X-Frame-Options
Answer: b. Cache-Controlcloud.google+1
What CDN architecture combines cloud and on-premise resources?
a. Hybrid cloud/CDN
b. Public cloud CDN only
c. Local disk cache
d. IPv6 CDN
Answer: a. Hybrid cloud/CDNcloud4c+1
Which technology does a CDN use for content personalization at the edge?
a. Serverless computing
b. BIOS
c. Virtual Private Network
d. Static HTML
Answer: a. Serverless computinglibrary.fiveable
Which is NOT a challenge in implementing CDNs?
a. Complex configuration
b. Cache invalidation issues
c. Content personalization limitations
d. Universal hardware compatibility
Answer: d. Universal hardware compatibilitycloud4c+1
Which component is NOT part of CDN infrastructure?
a. Origin servers
b. Edge servers
c. Load balancer
d. Keyboard driver
Answer: d. Keyboard drivercloud4c+1
What future trend is expected for CDNs?
a. Faster hard drives
b. Integration with edge computing and AI
c. Reduced cloud presence
d. Increased latency
Answer: b. Integration with edge computing and AIimperva+1
What is “cache egress” in CDN operation?
a. Data transfer from cache to client
b. Data transfer to cache
c. Data backup
d. Data encryption process
Answer: a. Data transfer from cache to clientcloud.google
What does “cache fill” mean in CDN?
a. Data transfer from origin server to cache
b. Purging cache
c. Filling user database
d. Encrypting cache
Answer: a. Data transfer from origin server to cachecloud.google
What is the primary role of an Application Load Balancer in CDN?
a. Distributes HTTP(S) responses to CDN
b. Encrypts user requests
c. Stores all cached objects
d. Provides dynamic routing protocols
Answer: a. Distributes HTTP(S) responses to CDNcloud.google+1
Which type of content is best suited for CDN caching?
a. Static assets (images, CSS, JS)
b. Real-time chat
c. Passwords
d. Log files
Answer: a. Static assets (images, CSS, JS)aws.amazon+1
CDN pricing is generally based on which of the following?
a. Server RAM
b. Data transfer, number of requests, geographic distribution
c. CPU frequency
d. USB bandwidth
Answer: b. Data transfer, number of requests, geographic distributioncloud.google+1
Which successful example highlights CDN usage for streaming?
a. Netflix
b. Notepad
c. BIOS firmware
d. FTP server
Answer: a. Netflixglobaldots
Which layer in the CDN architecture acts as the primary source of content?
a. Edge server
b. Origin server
c. POP
d. DHCP server
Answer: b. Origin servercloud4c+1
Which CDN strategy reduces origin server load in high-traffic scenarios?
a. Origin shielding
b. IP masking
c. DNS over HTTPS
d. Local disk usage
Answer: a. Origin shieldinginterviewquizz
CDNs integrate with which cloud feature for edge computing?
a. Serverless functions
b. BIOS settings
c. Keyboard layouts
d. User sessions
Answer: a. Serverless functionslibrary.fiveable
Which HTTP method is often used to remove stored data in CDN caches?
a. DELETE
b. PUT
c. GET
d. POST
Answer: a. DELETEsanfoundry
Content in CDNs is delivered closer to users through what mechanism?
a. Routing requests to nearby edge servers
b. Only using local storage
c. VPN connection
d. Peer-to-peer sharing
Answer: a. Routing requests to nearby edge serversaws.amazon+1
How does CDN help improve security?
a. Provides distributed protection against attacks
b. Encrypts all API calls
c. Eliminates the need for firewalls
d. Blocks all TCP connections
Answer: a. Provides distributed protection against attacksgeeksforgeeks+1
What is the advantage of integrating CDN with serverless computing?
a. Enables content customization closer to users
b. Removes all cache functionality
c. Forces data into static format
d. Reduces network availability
Answer: a. Enables content customization closer to userslibrary.fiveable
CDN logging typically includes which kind of data?
a. Cache behavior, performance metrics, request/response data
b. Only hardware data
c. BIOS events
d. Printer logs
Answer: a. Cache behavior, performance metrics, request/response datainterviewquizz
What common challenge might businesses face with CDN?
a. Cache invalidation complexity
b. Uptime exceeding 100%
c. Automatic hardware upgrades
d. Guaranteed static content
Answer: a. Cache invalidation complexityinterviewquizz
How does the Domain Name System (DNS) relate to CDN operation?
a. DNS enables request routing to optimal CDN edge servers
b. DNS encrypts all cache data
c. DNS purges content periodically
d. DNS monitors server uptime
Answer: a. DNS enables request routing to optimal CDN edge serversglobaldots
What is “partial hit” in CDN cache?
a. Content served partly from cache and partly from backend
b. Cache bypassed
c. Total miss from origin
d. No request processed
Answer: a. Content served partly from cache and partly from backendcloud.google
Which CDN feature optimizes delivery based on device and network type?
a. Mobile Content Optimization
b. BIOS boot key selection
c. Distributed firewalls
d. Data center virtualization
Answer: a. Mobile Content Optimizationinterviewquizz
What is CDN-as-a-Service?
a. Managed CDN solution integrated with cloud infrastructure
b. Hardware CDN
c. Standalone application
d. On-premise only feature
Answer: a. Managed CDN solution integrated with cloud infrastructurelibrary.fiveable
Which HTTP header aids in CDN cache validation?
a. ETag
b. Cookie
c. Authorization
d. Referer
Answer: a. ETagcloud.google+1
What defines the global scale of a CDN?
a. Network of edge servers in multiple geographic locations
b. Number of RAM chips per server
c. BIOS version uniformity
d. Number of local databases
Answer: a. Network of edge servers in multiple geographic locationsaws.amazon+1

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