V5 Global Services NOC Engineer Interview Questions, Process, and Tips for Experienced

Networking is the process of connecting devices together to share resources and communicate with each other.

• Networking involves the use of hardware and software to create a communication system between devices.

• It allows devices to share resources such as printers, files, and internet connections.

• Networking can be done using wired or wireless connections.

• Examples of networking technologies include Ethernet, Wi-Fi, and B...read more

OSI reference model is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system.

• OSI stands for Open Systems Interconnection.

• It has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has a specific function and communicates with the adjacent layers.

• It helps in understanding how data is transmitted over ...read more

Routing protocols are used to exchange routing information between routers to determine the best path for data transmission.

• Routing protocols are used to facilitate communication between routers in a network.

• They determine the best path for data transmission based on various metrics such as hop count, bandwidth, and delay.

• Examples of routing protocols include OSPF, BGP, and EIGRP.

• Routing protocols can be classified as ...read more

WDM stands for Wavelength Division Multiplexing, a technology that allows multiple data streams to be transmitted simultaneously over a single optical fiber by using different wavelengths of light.

• WDM is used in fiber optic communication systems to increase the capacity of the network.

• It allows for the transmission of multiple signals over a single fiber by using different wavelengths of light.

• There are two types of WD...read more

VLAN stands for Virtual Local Area Network. It is a logical grouping of devices on a network based on their functions, project teams, or applications.

• VLANs allow network administrators to segment a network into smaller, more manageable groups.

• Each VLAN is a separate broadcast domain, which means that broadcasts sent by a device in one VLAN are not forwarded to devices in other VLANs.

• VLANs can be configured to span mult...read more