World Class Services NMT Engineer Interview Questions and Answers

A network is a group of interconnected devices that communicate with each other to share resources and information.

• Networks can be wired or wireless

• They can be local (LAN) or wide area (WAN)

• They use protocols such as TCP/IP to enable communication

• Examples include the internet, corporate networks, and home networks

NAT stands for Network Address Translation. It is a process of modifying IP address information in IP packet headers while in transit across a traffic routing device.

• NAT is used to allow devices on a private network to access the internet using a single public IP address.

• It can be used to hide the internal IP addresses of a network from the outside world.

• NAT can be implemented using different techniques such as static ...read more

A proxy is an intermediary server that acts as a gateway between a local network and the internet.

• A proxy server can be used to improve security by filtering traffic and blocking malicious websites.

• It can also be used to improve performance by caching frequently accessed resources.

• Proxy servers can be configured to allow or deny access to specific websites or resources.

• Examples of popular proxy servers include Squid, A

Method of estimation refers to the process of calculating the approximate cost of a project or task.

• Estimation can be done using various methods such as approximate quantities method, detailed estimate method, and unit rate method.

• Factors such as labor cost, material cost, equipment cost, and overheads are taken into consideration while estimating.

• Estimation can be done manually or using software such as AutoCAD, Excel...read more

The ratio of concrete refers to the proportion of cement, sand, and aggregate used in the mixture.

• The most common ratio of concrete is 1:2:3, which means one part cement, two parts sand, and three parts aggregate.

• Other ratios include 1:1.5:3 and 1:3:6, depending on the strength and durability required for the project.

• The ratio of concrete can also be adjusted based on the type of project, climate conditions, and availa...read more

Substructure refers to the part of a building or structure that is below ground level, while superstructure refers to the part above ground level.

• Substructure includes foundation, basement, and retaining walls

• Superstructure includes columns, beams, walls, and roof

• Substructure is responsible for transferring loads to the ground, while superstructure provides support for the building or structure

• Examples of substructure ...read more

M-25 Grade concrete is a type of concrete with a compressive strength of 25 megapascals (MPa).

• M-25 Grade concrete is commonly used in construction projects.

• The ratio of M-25 Grade concrete is 1:1:2, which means 1 part cement, 1 part fine aggregate (sand), and 2 parts coarse aggregate (stone).

• The mix proportion of M-25 Grade concrete is designed to achieve a desired strength and durability for the specific application.

• F...read more

The number of bricks required in 1 cubic meter depends on the size of the bricks and the thickness of the mortar joints.

• The size of the bricks and the thickness of the mortar joints determine the number of bricks needed.

• Standard brick sizes are commonly used in construction.

• For example, if the size of the brick is 200mm x 100mm x 75mm and the thickness of the mortar joint is 10mm, the calculation would be as follows:

• - ...read more