CDN Expert

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Describe how a CDN can manage a sudden increases in traffic

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1

A CDN can manage sudden traffic increases by shutting down less critical services.

2

A CDN can manage sudden traffic increases by redirecting all traffic to a single server.

3

A CDN can manage sudden traffic increases by limiting the number of users accessing the content.

4

A CDN can manage sudden traffic increases by automatically scaling its resources and redistributing load.

How does a CDN contribute to web optimization techniques like minification, compression, and image optimization?

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1

A CDN contributes to web optimization by storing all content in a single server.

2

A CDN contributes to web optimization by creating dynamic content based on user preferences.

3

A CDN contributes to web optimization by running security checks on all content.

4

A CDN contributes to web optimization by minifying code, compressing files, and optimizing images for faster delivery.

How does anycast routing benefit a CDN?

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1

Anycast routing benefits a CDN by encrypting data during transmission.

2

Anycast routing benefits a CDN by balancing the load across all servers evenly.

3

Anycast routing benefits a CDN by increasing the storage capacity of edge servers.

4

Anycast routing benefits a CDN by directing user requests to the nearest server for faster response times.

Discuss common security practices in CDN operations.

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1

Common security practices in CDNs involve compressing all content before delivery.

2

Common security practices in CDNs include DDoS protection, SSL/TLS encryption, and access control.

3

Common security practices in CDNs include storing data in multiple locations.

4

Common security practices in CDNs focus on improving server speed.

How does load balancing work in the context of CDNs?

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1

Load balancing in CDNs increases the storage capacity of servers.

2

Load balancing in CDNs ensures even distribution of traffic across multiple servers.

3

Load balancing in CDNs compresses data before delivery.

4

Load balancing in CDNs prioritizes traffic from specific regions.

Describe the architecture of a typical CDN.

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1

A typical CDN architecture includes edge servers, origin servers, and a distribution network.

2

A typical CDN architecture consists of a single central server and multiple user terminals.

3

A typical CDN architecture relies solely on cloud storage services.

4

A typical CDN architecture is based on peer-to-peer networking technology.

Explain the role of HTTP/2 and HTTP/3 in CDN performance.

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1

HTTP/2 and HTTP/3 improve CDN performance by enabling faster and more efficient data transmission.

2

HTTP/2 and HTTP/3 are used for encrypting data in a CDN.

3

HTTP/2 and HTTP/3 help a CDN by storing and organizing web content.

4

HTTP/2 and HTTP/3 are protocols for authenticating users in a CDN.

How does DNS play a role in CDN functionality?

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1

DNS helps a CDN by translating domain names to IP addresses of edge servers for faster access.

2

DNS helps a CDN by compressing web content before delivery.

3

DNS helps a CDN by encrypting data to secure user information.

4

DNS helps a CDN by storing large amounts of data for quick retrieval.

How does a CDN distribute content across different geographic locations?

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1

A CDN distributes content by directing user requests to the nearest server based on geographic location.

2

A CDN distributes content by uploading it to a central server and broadcasting it.

3

A CDN distributes content using peer-to-peer sharing among users.

4

A CDN distributes content by compressing it and sending it to multiple servers simultaneously.

How do you measure the performance of a CDN?

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1

Performance of a CDN is assessed by the number of servers it uses.

2

Performance of a CDN is measured by the amount of storage capacity it has.

3

Performance of a CDN can be measured using metrics like latency, throughput, and cache hit ratio.

4

Performance of a CDN is determined by the type of content it delivers.

What are edge servers?

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1

Edge servers are located at the periphery of a network and deliver content closer to users.

2

Edge servers are used for central database management.

3

Edge servers are backup servers for data recovery.

4

Edge servers are dedicated to running machine learning algorithms.

What is cache invalidation?

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1

Cache invalidation is the method of compressing data for storage.

2

Cache invalidation is the process of removing outdated or incorrect content from the cache.

3

Cache invalidation refers to increasing the cache storage capacity.

4

Cache invalidation is the process of encrypting cached data for security.

What does cache hit ratio mean?

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1

Cache hit ratio is the time it takes for content to load from the cache.

2

Cache hit ratio measures the percentage of requests served from the cache versus the origin server.

3

Cache hit ratio indicates the number of times a cache is updated.

4

Cache hit ratio measures the size of the cache used by a CDN.

What does TTL mean?

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1

TTL stands for Total Transfer Load and measures the bandwidth used by a CDN.

2

TTL stands for Transaction Trace Log and is used for monitoring CDN performance.

3

TTL stands for Time to Live and refers to the duration a cached item is considered valid.

4

TTL stands for Transfer Time Lag and indicates the delay in content delivery.

How does caching work in a CDN.

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1

Caching in a CDN works by deleting old content to make space for new content.

2

Caching in a CDN works by continuously updating content based on user preferences.

3

Caching in a CDN works by storing copies of content on servers closer to the end user.

4

Caching in a CDN works by compressing files to reduce their size.

Name some applications of a CDN.

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1

Applications of a CDN include cloud storage and data analytics.

2

Applications of a CDN include video streaming, web acceleration, and software distribution.

3

Applications of a CDN include database management and server maintenance.

4

Applications of a CDN include email hosting and domain registration.

Briefly explain how a CDN works.

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1

A CDN works by storing data in a central database for easy access.

2

A CDN works by using AI to predict user behavior and preloading content.

3

A CDN works by generating real-time content for dynamic websites.

4

A CDN works by distributing content across multiple servers to reduce load and improve speed.

What is a CDN?

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1

A CDN is a tool for managing email servers.

2

A CDN is a network of servers that deliver content to users based on their geographic location.

3

A CDN is a software application used to create websites.

4

A CDN is a type of database used for storing large amounts of data.