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101 · Question #404

Which four of these statements regarding object size and WebAccelerator performance are true? (Choose four.)

The correct answer is B. Large objects allow fewer requests per second C. Large objects result in higher throughput E. Small objects such as images cache well F. Small objects allow more requests per second. Object size fundamentally affects WebAccelerator performance in two dimensions: large objects drive higher throughput but lower request rates, while small objects drive higher request rates and cache more efficiently. Video specifically does not cache well due to its size and…

Section 2: F5 Solutions and Technology

Question

Which four of these statements regarding object size and WebAccelerator performance are true? (Choose four.)

Options

  • ALarge objects such as video cache well
  • BLarge objects allow fewer requests per second
  • CLarge objects result in higher throughput
  • DSmall objects result in higher throughput
  • ESmall objects such as images cache well
  • FSmall objects allow more requests per second

How the community answered

(39 responses)
  • A
    8% (3)
  • B
    74% (29)
  • D
    18% (7)

Why each option

Object size fundamentally affects WebAccelerator performance in two dimensions: large objects drive higher throughput but lower request rates, while small objects drive higher request rates and cache more efficiently. Video specifically does not cache well due to its size and dynamic nature.

ALarge objects such as video cache well

Video files are typically very large and often dynamically generated or streamed, which consumes significant cache capacity and yields poor cache hit ratios, making them poor caching candidates.

BLarge objects allow fewer requests per secondCorrect

Large objects require more time to transfer completely, meaning the system can service fewer requests per second because each request holds a connection longer.

CLarge objects result in higher throughputCorrect

Large objects transfer more bytes per request, so even though request rate is lower, total bytes per second (throughput) is higher when large objects are being served.

DSmall objects result in higher throughput

Small objects result in higher requests per second, not higher throughput - throughput (bytes/second) is actually higher when large objects are being transferred because each transaction moves more data.

ESmall objects such as images cache wellCorrect

Small objects like images are static, frequently requested, and small enough to store many copies in cache, making them ideal candidates for cache hits and improved performance.

FSmall objects allow more requests per secondCorrect

Small objects complete quickly, freeing connections rapidly and allowing the server to handle a higher number of requests per second compared to large object transfers.

Concept tested: WebAccelerator object size impact on caching and throughput

Source: https://techdocs.f5.com/kb/en-us/products/big-ip_webaccel/manuals/product/bigip-webaccel-admin-11-6-0.html

Topics

#WebAccelerator#object caching#throughput#performance

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