Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 78
Q1121:
Which OSI layer deals with the physical transmission of data?
A. Data Link Layer
B. Network Layer
C. Physical Layer
D. Application Layer
Correct Answer:
C
Chapter: 78
Q1122:
What does the Data Link Layer use to uniquely identify devices on a network?
A. IP addresses
B. MAC addresses
C. Port numbers
D. Session IDs
Correct Answer:
B
Chapter: 78
Q1123:
How does the Presentation Layer contribute to data communication?
A. By encrypting and translating data
B. By routing data packets
C. By managing sessions
D. By providing network addressing
Correct Answer:
A
Chapter: 79
Q1124:
What is the primary role of the Network Layer in the OSI model?
A. Error detection
B. Data encryption
C. Routing data between devices
D. Managing end-to-end communication
Correct Answer:
C
Chapter: 79
Q1125:
Which OSI layer is responsible for flow control?
A. Physical Layer
B. Data Link Layer
C. Network Layer
D. Transport Layer
Correct Answer:
D
Chapter: 79
Q1126:
What is the main function of the Transport Layer in the OSI model?
A. Encrypting data
B. Handling logical addressing
C. Ensuring data is transmitted reliably
D. Translating data formats
Correct Answer:
C
Chapter: 79
Q1127:
Which layer of the OSI model handles the segmentation of data?
A. Data Link Layer
B. Network Layer
C. Transport Layer
D. Presentation Layer
Correct Answer:
C
Chapter: 79
Q1128:
What does the Presentation Layer manage in terms of data?
A. Data compression and encryption
B. Data routing
C. Physical transmission
D. Session management
Correct Answer:
A
Chapter: 79
Q1129:
Which protocol is commonly associated with the Network Layer?
A. TCP
B. IP
C. HTTP
D. FTP
Correct Answer:
B
Chapter: 79
Q1130:
In the OSI model, which layer is closest to the physical hardware?
A. Physical Layer
B. Network Layer
C. Transport Layer
D. Data Link Layer
Correct Answer:
A
Chapter: 79
Q1131:
What type of addressing is used by the Data Link Layer?
A. Logical addressing
B. IP addresses
C. MAC addresses
D. Hostnames
Correct Answer:
C
Chapter: 79
Q1132:
Which layer is responsible for establishing, maintaining, and terminating sessions between applications?
A. Application Layer
B. Session Layer
C. Network Layer
D. Transport Layer
Correct Answer:
B
Chapter: 79
Q1133:
What is the primary function of the Application Layer?
A. User interface and application services
B. Data encryption and translation
C. End-to-end communication
D. Routing packets
Correct Answer:
A
Chapter: 79
Q1134:
How does the OSI model's Physical Layer contribute to communication?
A. By routing data packets
B. By transmitting raw data bits over a physical medium
C. By encrypting data
D. By managing logical connections
Correct Answer:
B
Chapter: 79
Q1135:
Which OSI layer manages data encryption and decryption?
A. Network Layer
B. Transport Layer
C. Presentation Layer
D. Application Layer
Correct Answer:
C
Chapter: 79
Q1136:
What data unit does the Network Layer handle in the OSI model?
A. Bits
B. Frames
C. Segments
D. Packets
Correct Answer:
D
Chapter: 79
Q1137:
Which layer is responsible for ensuring data integrity in the OSI model?
A. Physical Layer
B. Data Link Layer
C. Network Layer
D. Transport Layer
Correct Answer:
D
Chapter: 79
Q1138:
What is the purpose of flow control in the Transport Layer?
A. To manage the encryption of data
B. To ensure that data is sent at a rate that the receiver can handle
C. To route data across networks
D. To translate data formats
Correct Answer:
B
Chapter: 79
Q1139:
Which OSI layer is responsible for framing data for transmission?
A. Data Link Layer
B. Transport Layer
C. Network Layer
D. Application Layer
Correct Answer:
A
Chapter: 79
Q1140:
How does the Presentation Layer support the Application Layer?
A. By routing data packets
B. By encrypting and translating data formats
C. By managing logical connections
D. By handling data segmentation
Correct Answer:
B