CDN Expert
Describe how a CDN can manage a sudden increases in traffic
Select the correct answer
A CDN can manage sudden traffic increases by limiting the number of users accessing the content.
A CDN can manage sudden traffic increases by redirecting all traffic to a single server.
A CDN can manage sudden traffic increases by shutting down less critical services.
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?
Select the correct answer
A CDN contributes to web optimization by storing all content in a single server.
A CDN contributes to web optimization by creating dynamic content based on user preferences.
A CDN contributes to web optimization by minifying code, compressing files, and optimizing images for faster delivery.
A CDN contributes to web optimization by running security checks on all content.
How does anycast routing benefit a CDN?
Select the correct answer
Anycast routing benefits a CDN by directing user requests to the nearest server for faster response times.
Anycast routing benefits a CDN by increasing the storage capacity of edge servers.
Anycast routing benefits a CDN by encrypting data during transmission.
Anycast routing benefits a CDN by balancing the load across all servers evenly.
Discuss common security practices in CDN operations.
Select the correct answer
Common security practices in CDNs focus on improving server speed.
Common security practices in CDNs involve compressing all content before delivery.
Common security practices in CDNs include storing data in multiple locations.
Common security practices in CDNs include DDoS protection, SSL/TLS encryption, and access control.
How does load balancing work in the context of CDNs?
Select the correct answer
Load balancing in CDNs compresses data before delivery.
Load balancing in CDNs increases the storage capacity of servers.
Load balancing in CDNs prioritizes traffic from specific regions.
Load balancing in CDNs ensures even distribution of traffic across multiple servers.
Describe the architecture of a typical CDN.
Select the correct answer
A typical CDN architecture includes edge servers, origin servers, and a distribution network.
A typical CDN architecture consists of a single central server and multiple user terminals.
A typical CDN architecture is based on peer-to-peer networking technology.
A typical CDN architecture relies solely on cloud storage services.
Explain the role of HTTP/2 and HTTP/3 in CDN performance.
Select the correct answer
HTTP/2 and HTTP/3 are protocols for authenticating users in a CDN.
HTTP/2 and HTTP/3 improve CDN performance by enabling faster and more efficient data transmission.
HTTP/2 and HTTP/3 are used for encrypting data in a CDN.
HTTP/2 and HTTP/3 help a CDN by storing and organizing web content.
How does DNS play a role in CDN functionality?
Select the correct answer
DNS helps a CDN by encrypting data to secure user information.
DNS helps a CDN by compressing web content before delivery.
DNS helps a CDN by storing large amounts of data for quick retrieval.
DNS helps a CDN by translating domain names to IP addresses of edge servers for faster access.
How does a CDN distribute content across different geographic locations?
Select the correct answer
A CDN distributes content using peer-to-peer sharing among users.
A CDN distributes content by uploading it to a central server and broadcasting it.
A CDN distributes content by directing user requests to the nearest server based on geographic location.
A CDN distributes content by compressing it and sending it to multiple servers simultaneously.
How do you measure the performance of a CDN?
Select the correct answer
Performance of a CDN is determined by the type of content it delivers.
Performance of a CDN is assessed by the number of servers it uses.
Performance of a CDN is measured by the amount of storage capacity it has.
Performance of a CDN can be measured using metrics like latency, throughput, and cache hit ratio.
What are edge servers?
Select the correct answer
Edge servers are backup servers for data recovery.
Edge servers are dedicated to running machine learning algorithms.
Edge servers are used for central database management.
Edge servers are located at the periphery of a network and deliver content closer to users.
What is cache invalidation?
Select the correct answer
Cache invalidation is the process of removing outdated or incorrect content from the cache.
Cache invalidation is the method of compressing data for storage.
Cache invalidation is the process of encrypting cached data for security.
Cache invalidation refers to increasing the cache storage capacity.
What does cache hit ratio mean?
Select the correct answer
Cache hit ratio indicates the number of times a cache is updated.
Cache hit ratio is the time it takes for content to load from the cache.
Cache hit ratio measures the size of the cache used by a CDN.
Cache hit ratio measures the percentage of requests served from the cache versus the origin server.
What does TTL mean?
Select the correct answer
TTL stands for Transfer Time Lag and indicates the delay in content delivery.
TTL stands for Transaction Trace Log and is used for monitoring CDN performance.
TTL stands for Total Transfer Load and measures the bandwidth used by a CDN.
TTL stands for Time to Live and refers to the duration a cached item is considered valid.
How does caching work in a CDN.
Select the correct answer
Caching in a CDN works by deleting old content to make space for new content.
Caching in a CDN works by compressing files to reduce their size.
Caching in a CDN works by continuously updating content based on user preferences.
Caching in a CDN works by storing copies of content on servers closer to the end user.
Name some applications of a CDN.
Select the correct answer
Applications of a CDN include database management and server maintenance.
Applications of a CDN include email hosting and domain registration.
Applications of a CDN include cloud storage and data analytics.
Applications of a CDN include video streaming, web acceleration, and software distribution.
Briefly explain how a CDN works.
Select the correct answer
A CDN works by using AI to predict user behavior and preloading content.
A CDN works by generating real-time content for dynamic websites.
A CDN works by storing data in a central database for easy access.
A CDN works by distributing content across multiple servers to reduce load and improve speed.
What is a CDN?
Select the correct answer
A CDN is a type of database used for storing large amounts of data.
A CDN is a software application used to create websites.
A CDN is a tool for managing email servers.
A CDN is a network of servers that deliver content to users based on their geographic location.