Q. Which of the following is a component of DBMS architecture?
A.
User Interface
B.
Database Engine
C.
Data Storage
D.
All of the above
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Solution
All of the above are components of DBMS architecture, including user interface, database engine, and data storage.
Correct Answer:
D
— All of the above
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Q. Which of the following is a concurrency control mechanism?
A.
Two-phase locking
B.
Data normalization
C.
Indexing
D.
Entity-relationship modeling
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Solution
Two-phase locking is a concurrency control mechanism that ensures transactions are executed in a way that prevents conflicts.
Correct Answer:
A
— Two-phase locking
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Q. Which of the following is a connectionless protocol in TCP/IP?
A.
TCP
B.
UDP
C.
HTTP
D.
FTP
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Solution
UDP (User Datagram Protocol) is a connectionless protocol, meaning it does not establish a connection before sending data.
Correct Answer:
B
— UDP
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Q. Which of the following is a disadvantage of CMOS technology?
A.
Higher power consumption
B.
Slower speed
C.
More complex fabrication
D.
Susceptibility to noise
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Solution
CMOS technology can be more complex to fabricate due to the need for multiple doping processes.
Correct Answer:
C
— More complex fabrication
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Q. Which of the following is a disadvantage of MSI circuits?
A.
Higher cost than SSI
B.
Increased power consumption
C.
More complex design
D.
Limited functionality
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Solution
One disadvantage of MSI circuits is that they can lead to more complex designs compared to simpler circuits like SSI.
Correct Answer:
C
— More complex design
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Q. Which of the following is a disadvantage of normalization?
A.
Increased data redundancy
B.
Complex queries
C.
Improved data integrity
D.
Reduced data anomalies
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Solution
Normalization can lead to complex queries because data is spread across multiple tables, requiring more joins to retrieve related data.
Correct Answer:
B
— Complex queries
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Q. Which of the following is a disadvantage of using PLDs?
A.
High flexibility
B.
Higher cost compared to fixed-function devices
C.
Ease of use
D.
Rapid prototyping
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Solution
A disadvantage of using PLDs is that they can be higher in cost compared to fixed-function devices.
Correct Answer:
B
— Higher cost compared to fixed-function devices
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Q. Which of the following is a disadvantage of using wireless networks?
A.
Higher installation costs
B.
Limited mobility
C.
Interference from other devices
D.
Faster data transfer rates
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Solution
One of the disadvantages of wireless networks is that they can experience interference from other devices, which can affect performance.
Correct Answer:
C
— Interference from other devices
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Q. Which of the following is a disadvantage of using wireless technology?
A.
Higher installation costs
B.
Limited mobility
C.
Interference from other devices
D.
Faster data transfer rates
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Solution
One of the disadvantages of wireless technology is interference from other devices, which can affect the quality and reliability of the connection.
Correct Answer:
C
— Interference from other devices
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Q. Which of the following is a disadvantage of wireless networks?
A.
Higher installation costs
B.
Limited mobility
C.
Interference from other devices
D.
Faster data transfer rates
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Solution
Wireless networks can suffer from interference from other devices, which can affect performance and reliability.
Correct Answer:
C
— Interference from other devices
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Q. Which of the following is a feature of ADO.NET?
A.
Disconnected data architecture
B.
Direct database connection only
C.
No support for XML
D.
Single-threaded access
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Solution
ADO.NET supports a disconnected data architecture, allowing for data manipulation without a constant connection to the database.
Correct Answer:
A
— Disconnected data architecture
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Q. Which of the following is a feature of ASP.NET compared to classic ASP?
A.
Supports server-side scripting only
B.
Uses a compiled model for better performance
C.
Does not support web forms
D.
Is limited to Microsoft SQL Server
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Solution
ASP.NET uses a compiled model, which provides better performance compared to classic ASP, which is interpreted.
Correct Answer:
B
— Uses a compiled model for better performance
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Q. Which of the following is a feature of ECL (Emitter Coupled Logic)?
A.
Low power consumption
B.
High speed
C.
High noise margin
D.
Low cost
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Solution
ECL is known for its high speed, making it suitable for high-frequency applications.
Correct Answer:
B
— High speed
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Q. Which of the following is a feature of MySQL?
A.
Supports only SQL queries
B.
Is a NoSQL database
C.
Is open-source
D.
Does not support transactions
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Solution
MySQL is an open-source relational database management system that supports SQL queries and transactions.
Correct Answer:
C
— Is open-source
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Q. Which of the following is a front-end framework?
A.
Django
B.
Flask
C.
React
D.
Spring
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Solution
React is a front-end JavaScript library for building user interfaces.
Correct Answer:
C
— React
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Q. Which of the following is a key characteristic of inductors?
A.
They have a high resistance to AC signals
B.
They oppose changes in current
C.
They can only be used in DC circuits
D.
They have no effect on frequency
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Solution
Inductors oppose changes in current due to their property of inductance.
Correct Answer:
B
— They oppose changes in current
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Q. Which of the following is a key feature of ADO.NET?
A.
Supports only SQL Server
B.
Uses disconnected data architecture
C.
Requires a constant connection to the database
D.
Does not support XML data
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Solution
ADO.NET uses a disconnected data architecture, allowing applications to work with data without a constant connection to the database.
Correct Answer:
B
— Uses disconnected data architecture
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Q. Which of the following is a key feature of IPv6?
A.
NAT (Network Address Translation)
B.
Stateless Address Autoconfiguration (SLAAC)
C.
Broadcast communication
D.
IPv4 compatibility
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Solution
Stateless Address Autoconfiguration (SLAAC) is a key feature of IPv6 that allows devices to automatically configure their own IP addresses without the need for a DHCP server.
Correct Answer:
B
— Stateless Address Autoconfiguration (SLAAC)
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Q. Which of the following is a key feature of IPv6?
A.
NAT (Network Address Translation)
B.
Stateless Address Autoconfiguration (SLAAC)
C.
Broadcast communication
D.
IPv4 compatibility
Show solution
Solution
Stateless Address Autoconfiguration (SLAAC) is a key feature of IPv6 that allows devices to automatically configure their own IP addresses without the need for a DHCP server.
Correct Answer:
B
— Stateless Address Autoconfiguration (SLAAC)
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Q. Which of the following is a key feature of IPv6?
A.
NAT (Network Address Translation)
B.
Stateless Address Autoconfiguration (SLAAC)
C.
Broadcast communication
D.
IPv4 compatibility
Show solution
Solution
Stateless Address Autoconfiguration (SLAAC) is a key feature of IPv6 that allows devices to automatically configure their own IP addresses without the need for a DHCP server.
Correct Answer:
B
— Stateless Address Autoconfiguration (SLAAC)
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Q. Which of the following is a key feature of MOSFETs?
A.
They require a continuous current to operate
B.
They have a gate that is insulated from the channel
C.
They are always in saturation
D.
They have low input impedance
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Solution
MOSFETs have a gate that is insulated from the channel, allowing for very high input impedance and low power consumption.
Correct Answer:
B
— They have a gate that is insulated from the channel
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Q. Which of the following is a key feature of static RAM (SRAM)?
A.
It is slower than DRAM
B.
It is volatile
C.
It requires more transistors per bit
D.
It is less expensive than DRAM
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Solution
Static RAM (SRAM) requires more transistors per bit compared to DRAM, which makes it faster but also more expensive.
Correct Answer:
C
— It requires more transistors per bit
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Q. Which of the following is a method for concurrency control in distributed databases?
A.
Two-phase locking
B.
Data sharding
C.
Indexing
D.
Data warehousing
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Solution
Two-phase locking is a method for concurrency control in distributed databases that helps prevent conflicts when multiple transactions access the same data.
Correct Answer:
A
— Two-phase locking
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Q. Which of the following is a method of error control in data transmission?
A.
Checksum
B.
Encryption
C.
Compression
D.
Segmentation
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Solution
Checksum is a method of error control that helps detect errors in data transmission by adding a value based on the data being sent.
Correct Answer:
A
— Checksum
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Q. Which of the following is a method of error control?
A.
Checksum
B.
Encryption
C.
Compression
D.
Segmentation
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Solution
Checksum is a method of error control used to detect errors in data transmission.
Correct Answer:
A
— Checksum
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Q. Which of the following is a method to load XML data into a DataSet?
A.
ReadXml
B.
LoadXml
C.
ImportXml
D.
ParseXml
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Solution
The ReadXml method is used to load XML data into a DataSet in ADO.NET.
Correct Answer:
A
— ReadXml
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Q. Which of the following is a NoSQL database?
A.
MySQL
B.
PostgreSQL
C.
MongoDB
D.
SQLite
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Solution
MongoDB is a NoSQL database that uses a document-oriented data model.
Correct Answer:
C
— MongoDB
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Q. Which of the following is a popular HDL used for digital design?
A.
C++
B.
Verilog
C.
Python
D.
Java
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Solution
Verilog is a widely used Hardware Description Language for modeling electronic systems.
Correct Answer:
B
— Verilog
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Q. Which of the following is a potential problem that normalization aims to solve?
A.
Data redundancy
B.
Data encryption
C.
Data visualization
D.
Data migration
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Solution
Normalization aims to solve data redundancy by organizing data into separate tables to minimize duplication.
Correct Answer:
A
— Data redundancy
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Q. Which of the following is a primary purpose of OLE DB?
A.
To provide a uniform interface for accessing data from different sources
B.
To manage database transactions
C.
To perform data normalization
D.
To create ER diagrams
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Solution
OLE DB is designed to provide a uniform interface for accessing data from various sources, including relational and non-relational databases.
Correct Answer:
A
— To provide a uniform interface for accessing data from different sources
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