GTT Communications Interview Questions, Process, and Tips

Q1. On which layer are TCP adn UDP?
Ans. 
TCP is on the transport layer (Layer 4) and UDP is also on the transport layer (Layer 4).
• TCP is a connection-oriented protocol that provides reliable data delivery. It operates on the transport layer (Layer 4) of the OSI model.

• UDP is a connectionless protocol that provides faster data transmission but without guaranteed delivery. It also operates on the transport layer (Layer 4) of the OSI model.
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Q2. Tell me about OSI layer
Ans. 
The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven abstraction layers.
• The OSI model helps in understanding how data is transmitted over a network.

• It starts from the physical layer (Layer 1) which deals with the actual physical connection between devices.

• Each layer has specific functions and protocols, such as TCP/I...read more
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Q1. What is OSI model?
Ans. 
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
• The OSI model stands for Open Systems Interconnection model.

• It helps in understanding how different networking protocols work together.

• The seven layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and communicates w...read more
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Q1. What is TCP/IP?
Ans. 
TCP/IP is a set of protocols that governs the way data is transmitted over the internet.
• TCP/IP stands for Transmission Control Protocol/Internet Protocol.

• It is a suite of communication protocols used to connect devices on the internet.

• TCP ensures that data packets are delivered error-free and in sequence.

• IP is responsible for routing packets to their destination.

• Examples of TCP/IP protocols include HTTP, FTP, and SMTP.
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Nothing just now asking about my work with another company

Q1. Tell me about your self
Ans. My name is Aashish Ranjan Srivastava am from Bihar but I currently staying in Noida.
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Q1. What is networking?
Ans. 
Networking is the practice of connecting computers and other devices to share resources and information.
• Networking involves the physical connection of devices through cables or wireless connections.

• It also includes the configuration of network settings to enable communication between devices.

• Networking allows for sharing of resources such as files, printers, and internet connections.

• Examples of networking technologies ...read more
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Q2. What is OSI layers?
Ans. 
OSI layers refer to the Open Systems Interconnection model, which is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct layers.
• The OSI model consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and interacts with adjacent layers to facilitate communication between dev...read more
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Q1. Customer handling questions.
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