DBMS_7th_ch20 Database System Architecture

DBMS_7th_ch20 Database System Architecture

Professional Development

21 Qs

quiz-placeholder

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DBMS_7th_ch20 Database System Architecture

DBMS_7th_ch20 Database System Architecture

Assessment

Quiz

Computers

Professional Development

Practice Problem

Hard

Created by

Rajendren Subramaniam

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main characteristic of Centralized Database Systems?

Run on multiple computer systems

Run on a single computer system

Run on a cloud-based system

Run on a distributed network

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of server system is widely used in relational database systems?

Parallel systems

Distributed systems

Data servers

Transaction servers

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the log writer process in a transaction server?

Add log records to log record buffer

Perform periodic checkpoints

Output modified buffer blocks to disks

Execute user queries

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main drawback of a shared-memory architecture in parallel systems?

High latency

Bottleneck at interconnection to disk subsystem

Non-scalable beyond a certain number of processor cores

Complex programming requirements

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which network technology provides very low-latency networking compared to optimized Ethernet?

Fiber Channel

Infiniband

Mesh

Ethernet

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the goal of integrating existing databases in heterogeneous distributed databases?

Integrate different software/schema

Improve system availability

Share data among users

Provide a view of a single database

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the two-phase commit protocol in distributed databases?

Handle network partitioning

Ensure atomicity of transactions

Replicate data items

Improve data availability

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