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Practice Tests
Question
1
18:00
Which Transport Layer protocol is best for real-time applications like video streaming?
TCP
FTP
UDP
SMTP
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What does CD-ROM stand for?
Compact Disk - Read Only Memory
Computer Disk - Read Output Memory
Central Data - Read Only Module
Control Device - Random Output Memory
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DNS (Domain Name System) operates at which OSI layer?
Network Layer
Data Link Layer
Application Layer
Transport Layer
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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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Data encryption before transmission and decryption after reception occurs at which OSI layer?
Session Layer
Network Layer
Transport Layer
Presentation Layer
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Which of the following is NOT an Application Layer protocol?
SMTP
HTTP
DHCP
TCP
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The Presentation Layer acts as a:
Data transmitter
Data organizer between Application and Session Layer
Error handler for lower layers
MAC address resolver
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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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Which layer is responsible for services like file transfer, email, and network management?
Presentation Layer
Session Layer
Application Layer
Transport Layer
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Which mechanism does the Transport Layer use to prevent data overflow at the receiver’s end?
Routing
Buffering
Flow control
CRC
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Which protocol is used to send emails?
FTP
SMTP
DNS
SSH
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Which of the following ensures that data segments are delivered in order?
UDP
TCP
IP
ARP
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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 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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What does PDF stand for in computer?
Portable Data File
Printed Document Format
Page Data Format
Portable Document Format
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What is the abbreviation of DNS in computer networking?
Domain Name System
Digital Network Server
Data Node Structure
Domain Network Service
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What is the full form of SSD in computer storage?
Solid State Drive
Secure Storage Device
Smart Storage Disk
Solid Software Disk
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Which of the following protocols/functions is associated with the Presentation Layer?
HTTP
SSL/TLS
IP
ARP
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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 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
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