15 Cache Layers questions from the Caching bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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A.an in-process or shared memory tier holding computed results inside the service itself
B.a server sitting in front of origin applications that stores and serves responses on their behalf
C.a client-side store that keeps fetched assets and responses locally to avoid repeat network requests
D.the engine-managed memory area that retains recently used data and index pages to avoid disk reads
Answer + AI explanation with Pro
2. Which term means: "a client-side store that keeps fetched assets and responses locally to avoid repeat network requests"?
Junior
A.Browser cache
B.Reverse proxy cache
C.Database buffer pool
D.CDN
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.Browser cache — a server sitting in front of origin applications that stores and serves responses on their behalf
B.Browser cache — a client-side store that keeps fetched assets and responses locally to avoid repeat network requests
C.Browser cache — the engine-managed memory area that retains recently used data and index pages to avoid disk reads
D.Browser cache — an in-process or shared memory tier holding computed results inside the service itself
Answer + AI explanation with Pro
4. What is CDN?
Junior
A.the engine-managed memory area that retains recently used data and index pages to avoid disk reads
B.a geographically distributed network of edge servers that store copies of content near end users to cut latency
C.a server sitting in front of origin applications that stores and serves responses on their behalf
D.an in-process or shared memory tier holding computed results inside the service itself
Answer + AI explanation with Pro
5. Which term means: "a geographically distributed network of edge servers that store copies of content near end users to cut latency"?
Junior
A.Reverse proxy cache
B.CDN
C.Application-level store
D.Database buffer pool
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.CDN — an in-process or shared memory tier holding computed results inside the service itself
B.CDN — a geographically distributed network of edge servers that store copies of content near end users to cut latency
C.CDN — a client-side store that keeps fetched assets and responses locally to avoid repeat network requests
D.CDN — the engine-managed memory area that retains recently used data and index pages to avoid disk reads
Answer + AI explanation with Pro
7. What is Reverse proxy cache?
Mid
A.a server sitting in front of origin applications that stores and serves responses on their behalf
B.the engine-managed memory area that retains recently used data and index pages to avoid disk reads
C.a client-side store that keeps fetched assets and responses locally to avoid repeat network requests
D.a geographically distributed network of edge servers that store copies of content near end users to cut latency
Answer + AI explanation with Pro
8. Which term means: "a server sitting in front of origin applications that stores and serves responses on their behalf"?
Mid
A.Browser cache
B.Database buffer pool
C.Application-level store
D.Reverse proxy cache
Answer + AI explanation with Pro
9. Which statement is correct?
Mid
A.Reverse proxy cache — the engine-managed memory area that retains recently used data and index pages to avoid disk reads
B.Reverse proxy cache — a geographically distributed network of edge servers that store copies of content near end users to cut latency
C.Reverse proxy cache — an in-process or shared memory tier holding computed results inside the service itself
D.Reverse proxy cache — a server sitting in front of origin applications that stores and serves responses on their behalf
Answer + AI explanation with Pro
10. What is Application-level store?
Mid
A.a client-side store that keeps fetched assets and responses locally to avoid repeat network requests
B.a geographically distributed network of edge servers that store copies of content near end users to cut latency
C.a server sitting in front of origin applications that stores and serves responses on their behalf
D.an in-process or shared memory tier holding computed results inside the service itself
Answer + AI explanation with Pro
11. Which term means: "an in-process or shared memory tier holding computed results inside the service itself"?
Mid
A.CDN
B.Reverse proxy cache
C.Application-level store
D.Browser cache
Answer + AI explanation with Pro
12. Which statement is correct?
Mid
A.Application-level store — an in-process or shared memory tier holding computed results inside the service itself
B.Application-level store — a client-side store that keeps fetched assets and responses locally to avoid repeat network requests
C.Application-level store — the engine-managed memory area that retains recently used data and index pages to avoid disk reads
D.Application-level store — a server sitting in front of origin applications that stores and serves responses on their behalf
Answer + AI explanation with Pro
13. What is Database buffer pool?
Mid
A.a server sitting in front of origin applications that stores and serves responses on their behalf
B.an in-process or shared memory tier holding computed results inside the service itself
C.a geographically distributed network of edge servers that store copies of content near end users to cut latency
D.the engine-managed memory area that retains recently used data and index pages to avoid disk reads
Answer + AI explanation with Pro
14. Which term means: "the engine-managed memory area that retains recently used data and index pages to avoid disk reads"?
Mid
A.Browser cache
B.Database buffer pool
C.Reverse proxy cache
D.CDN
Answer + AI explanation with Pro
15. Which statement is correct?
Mid
A.Database buffer pool — an in-process or shared memory tier holding computed results inside the service itself
B.Database buffer pool — a client-side store that keeps fetched assets and responses locally to avoid repeat network requests
C.Database buffer pool — the engine-managed memory area that retains recently used data and index pages to avoid disk reads
D.Database buffer pool — a server sitting in front of origin applications that stores and serves responses on their behalf
Answer + AI explanation with Pro
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