info@jobexams.pk
Home
All Categories
Basic Computer MCQs
Everyday Science MCQs
General Knowledge MCQs
Islamic Studies MCQs
Pakistan Current Affairs MCQs
Pakistan Studies MCQs
English MCQs
Urdu MCQs
Chemistry MCQs
Law MCQs
Election Act 2017 MCQs
PERA MCQ's
Pakistan Constitution MCQs
Criminal Procedure Code (CrPC) MCQs
Past Papers
Blogs
Practice Tests
Question
1
18:00
What is the abbreviation of DNS in computer networking?
Domain Name System
Digital Network Server
Data Node Structure
Domain Network Service
Next
What does URL stand for?
Uniform Resource Locator
Uniform Routing Link
Unidentified Resource Locator
Universal Resource Link
Previous
Next
What does the Transport Layer do if a segment is lost during transmission (in TCP)?
Ignores it
Replaces it with random data
Requests retransmission
Forwards to the application layer
Previous
Next
What is the full form of BIOS in computers?
Basic Input Output Software
Binary Input Output System
Basic Integrated Operating System
Basic Input Output System
Previous
Next
Which of the following protocols operates at the Application Layer?
IP
TCP
FTP
ARP
Previous
Next
What is the full form of SSD in computer storage?
Solid State Drive
Secure Storage Device
Smart Storage Disk
Solid Software Disk
Previous
Next
Which of the following tasks is performed at the Application Layer?
Frame creation
IP addressing
User authentication
Signal modulation
Previous
Next
The Presentation Layer acts as a:
Data transmitter
Data organizer between Application and Session Layer
Error handler for lower layers
MAC address resolver
Previous
Next
What does API stand for in programming?
Application Programming Interface
Automated Programming Integration
Advanced Protocol Interaction
Applied Program Interface
Previous
Next
Which of the following is NOT a function of the Session Layer?
Session termination
Dialog control
Address resolution
Synchronization
Previous
Next
Compression of data to reduce transmission size is performed at the:
Application Layer
Network Layer
Presentation Layer
Transport Layer
Previous
Next
What is the main function of the Presentation Layer in the OSI model?
Routing and switching
Data encryption, compression, and translation
Physical signal transmission
Error control
Previous
Next
What is the data unit called at the Transport Layer?
Segment
Packet
Frame
Bit
Previous
Next
Which of the following protocols/functions is associated with the Presentation Layer?
HTTP
SSL/TLS
IP
ARP
Previous
Next
Which layer is responsible for services like file transfer, email, and network management?
Presentation Layer
Session Layer
Application Layer
Transport Layer
Previous
Next
Which protocol is used to send emails?
FTP
SMTP
DNS
SSH
Previous
Next
Why is the Presentation Layer sometimes called the "translator" of the OSI model?
It translates between English and binary
It converts signals into light pulses
It ensures proper format, encoding, and readability of data
It determines IP routes
Previous
Next
What happens if a session is interrupted?
It is ignored by the session layer
The session layer re-establishes or resumes the session
The data is discarded
Data is re-routed
Previous
Next
What is the main role of the Session Layer in the OSI model?
Packet routing
Flow control
Establish, manage, and terminate sessions
Error detection
Previous
Next
Which of the following ensures that data segments are delivered in order?
UDP
TCP
IP
ARP
Previous
Submit Test