Trainee Network Engineer Interview Questions and Answers for Freshers

The data transfer happens at the Transport layer.

• The Transport layer is responsible for end-to-end communication between devices.

• It ensures reliable data transfer and error correction.

• Examples of protocols at this layer include TCP and UDP.

Fiber is a high-speed transmission medium that uses thin strands of glass or plastic to transmit data.

• Fiber optic cables are used in telecommunications to transmit data over long distances at high speeds.

• Fiber offers advantages such as high bandwidth, low latency, and immunity to electromagnetic interference.

• Fiber optic technology is used in various applications including internet connectivity, telephony, and cable television.

• Examples of fiber optic providers include Verizon ...read more

OSI Models are a conceptual framework that standardizes communication protocols between different systems.

• OSI stands for Open Systems Interconnection

• It has 7 layers, each with a specific function

• Layers are numbered from 1 to 7, with 1 being the lowest and 7 being the highest

• Each layer communicates with the layer above and below it

• Examples of layers include physical layer, data link layer, network layer, transport layer, session layer, presentation layer, and application layer

IP stands for Internet Protocol, a set of rules governing the format of data sent over the internet.

• IP is responsible for routing data packets between devices on the internet.

• It assigns a unique address to each device connected to the internet.

• There are two versions of IP - IPv4 and IPv6.

• IPv4 uses 32-bit addresses while IPv6 uses 128-bit addresses.

• IP is a layer 3 protocol in the OSI model.

• Examples of IP-based protocols include TCP, UDP, and ICMP.