40083486
Beschreibung
Quiz von Eladio Rocha, aktualisiert vor 18 Tage
|
Erstellt von Eladio Rocha
vor 18 Tage
|
|
Frage 1
Frage
What is the purpose of back-of-the-envelope estimation in system design?
Antworten
-
To provide exact performance numbers for implementation.
-
To estimate capacity or performance requirements using approximations.
-
To simplify system architecture by eliminating redundancy.
-
To benchmark the system against competitors.
Frage 2
Frage
Why is understanding the power of two important in system design calculations?
Antworten
-
It simplifies compression algorithms.
-
It is the basis for all binary computations in distributed systems.
-
It ensures correct calculations for data volume units.
-
It is used to estimate latency in networking.
Frage 3
Frage
According to latency numbers, which of the following is the fastest operation?
Antworten
-
Disk seek
-
L1 cache reference
-
Reading 1 MB from the network
-
Compressing 1K bytes with Zippy
Frage 4
Frage
If a system needs to store 100 TB of new data every day for 1 year, approximately how much storage will be required?
Antworten
-
36.5 PB
-
10 PB
-
3.65 PB
-
100 PB
Frage 5
Frage
What is the peak QPS (Query Per Second) if the base QPS is 5,000?
Antworten
-
2,500
-
5,000
-
10,000
-
7,500
Frage 6
Frage
What conclusion can be drawn about disk seeks compared to memory references?
Antworten
-
Disk seeks are faster than memory references.
-
Disk seeks are significantly slower than memory references.
-
Disk seeks and memory references have similar latencies.
-
Disk seeks are not relevant for system design.
Frage 7
Frage
What is the approximate annual downtime for a system with 99.99% availability?
Antworten
-
52.60 minutes
-
7.31 hours
-
31.56 seconds
-
5.26 minutes
Frage 8
Frage
If a system processes 200 million transactions per day, what is the approximate query per second (QPS)?
Antworten
-
1,000
-
2,300
-
10,000
-
5,800
Frage 9
Frage
Why is compressing data before sending it over the internet recommended?
Antworten
-
It reduces compression time.
-
It decreases network latency.
-
It minimizes the amount of data transmitted, saving bandwidth.
-
It ensures data integrity during transfer.
Frage 10
Frage
Which of the following tips is NOT recommended for back-of-the-envelope estimation?
Antworten
-
Use approximations for quick calculations.
-
Label units clearly for clarity.
-
Focus on solving complex equations accurately.
-
Write down assumptions for reference.
Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.