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Question
1
18:00
What is the main role of the Session Layer in the OSI model?
Packet routing
Flow control
Establish, manage, and terminate sessions
Error detection
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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
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What is the primary function of the Application Layer in the OSI model?
File compression
Initiating data transmission from user-facing applications
Data routing and switching
Managing TCP sessions
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What is the role of the HTTP protocol at the Application Layer?
It secures email communication
It routes packets between routers
It delivers web content from server to client
It assigns IP addresses
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Which file format conversions are typically handled at the Presentation Layer?
MP3 to WAV
.zip to .rar
JPEG to PNG
All of the above
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Which of the following protocols operates at the Application Layer?
IP
TCP
FTP
ARP
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What does URL stand for?
Uniform Resource Locator
Uniform Routing Link
Unidentified Resource Locator
Universal Resource Link
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What does PDF stand for in computer?
Portable Data File
Printed Document Format
Page Data Format
Portable Document Format
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Which Transport Layer protocol is best for real-time applications like video streaming?
TCP
FTP
UDP
SMTP
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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
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What is the data unit called at the Transport Layer?
Segment
Packet
Frame
Bit
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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
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What does GUI mean in computing?
Graphical User Interface
Global Utility Interface
General User Interaction
Graphic Uniform Integration
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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
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Which of the following tasks is performed at the Application Layer?
Frame creation
IP addressing
User authentication
Signal modulation
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What is used at the Transport Layer to uniquely identify applications on a host?
IP Address
MAC Address
Port Number
DNS Name
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Compression of data to reduce transmission size is performed at the:
Application Layer
Network Layer
Presentation Layer
Transport Layer
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Which of the following is NOT an Application Layer protocol?
SMTP
HTTP
DHCP
TCP
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Which of the following is an example of data translation handled by the Presentation Layer?
IP addressing
Port allocation
Converting EBCDIC to ASCII
Creating HTML code
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Which of the following ensures that data segments are delivered in order?
UDP
TCP
IP
ARP
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