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Practice Tests
Question
1
18:00
What is a key feature of UDP in the Transport Layer?
Reliable delivery
Acknowledgments
Low overhead and no connection
Sequence numbers
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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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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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What is the function of TCP in the Transport Layer?
Provides connectionless communication
Provides unreliable transmission
Provides reliable, connection-oriented communication
Converts IP to MAC address
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Which of the following is NOT a function of the Session Layer?
Session termination
Dialog control
Address resolution
Synchronization
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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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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 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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Which of the following protocols is associated with the Session Layer?
TCP
DNS
NetBIOS
IP
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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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Which of the following protocols operates at the Application Layer?
IP
TCP
FTP
ARP
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Which two protocols operate at the Transport Layer?
IP and ICMP
TCP and UDP
ARP and RARP
HTTP and HTTPS
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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 does GUI mean in computing?
Graphical User Interface
Global Utility Interface
General User Interaction
Graphic Uniform Integration
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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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Which layer is responsible for dialog control in the OSI model?
Presentation Layer
Session Layer
Transport Layer
Network Layer
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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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Which protocol is used to send emails?
FTP
SMTP
DNS
SSH
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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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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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