Certification Exam- Cisco CCNA 200-301
Question and Answers [100% Correct]
2025/2026 Latest Release!!
What is the purpose of the OSI model in networking?
It is a conceptual model that defines how data is transmitted across different layers in a network,
enabling communication between sy...
Certification Exam- Cisco CCNA 200-301
Question and Answers [100% Correct]
2025/2026 Latest Release!!
What is the purpose of the OSI model in networking?
It is a conceptual model that defines how data is transmitted across different layers in a network,
enabling communication between systems.
Which of the following is the correct order of the OSI model layers from the highest to the lowest?
A) Application, Session, Transport, Network, Data-Link, Physical
B) Physical, Data-Link, Network, Transport, Session, Application
C) Application, Transport, Network, Data-Link, Physical, Session
B) Physical, Data-Link, Network, Transport, Session, Application
Which layer of the OSI model is responsible for logical addressing and routing?
A) Transport
B) Network
C) Data-Link
D) Application
B) Network
What is the function of the TCP/IP Internet layer?
It provides logical addressing and determines the best path through the network.
What is the main difference between TCP and UDP at the Transport layer?
A) TCP is connection-oriented, while UDP is connectionless
B) TCP is faster than UDP
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, C) UDP guarantees data integrity, while TCP does not
D) UDP is used for small packets, while TCP is used for large packets
A) TCP is connection-oriented, while UDP is connectionless
In the OSI model, what does the Transport layer handle?
It ensures reliable data transfer, manages flow control, error correction, and segmentation.
Which of the following is NOT a characteristic of the Application layer in the OSI model?
A) Provides network services to applications
B) Handles encryption and decryption
C) Establishes communication procedures
D) Ensures reliable data transmission
D) Ensures reliable data transmission
What is the main responsibility of the Presentation layer in the OSI model?
A) Provides logical addressing
B) Establishes communication sessions
C) Translates data into a format understood by the network
D) Ensures the availability of network resources
C) Translates data into a format understood by the network
Which layer of the OSI model is responsible for error detection and correction?
A) Data-Link
B) Network
C) Transport
D) Application
A) Data-Link
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