Joyson Safety Systems Interview Questions and Answers

BBU is connected to RRH using single-mode fiber optic cable.

• Single-mode fiber optic cable is used for long distance communication.

• It has a smaller core diameter than multimode fiber optic cable.

• It allows for higher bandwidth and longer transmission distances.

• It is commonly used in telecommunications and data centers.

• Examples of single-mode fiber optic cable include OS1 and OS2.

The power dbm in BBU to RRH is determined by the distance between them and the required signal strength.

• The power dbm is dependent on the distance between the BBU and RRH.

• The required signal strength also plays a role in determining the power dbm.

• Factors such as obstacles and interference can affect the power dbm.

• The power dbm can be adjusted through the use of attenuators or amplifiers.

var, let, const are used to declare variables in JavaScript. 'this' keyword refers to the current object.

• var is function-scoped, let is block-scoped, const is block-scoped and cannot be reassigned

• 'this' keyword refers to the current object in which it is used

• Example: var x = 10; let y = 20; const z = 30; this.name = 'John';

WAN IP is the public IP address assigned to a network by the ISP, while IPv4 is a specific type of IP address used for identifying devices on a network.

• WAN IP is used for communication over the internet, while IPv4 is used for communication within a local network.

• WAN IP is unique to each network and can be dynamic or static, while IPv4 addresses are unique to each device on a network.

• Examples of WAN IP addresses include 203.0.113.1, while examples of IPv4 addresses include 19...read more

Promotion configurations in SFCC involve setting up promotion rules and discounts for products.

• Promotion rules can be based on order total, specific products, customer groups, etc.

• Discounts can be percentage-based, fixed amount, buy one get one free, etc.

• Promotions can be scheduled to run for a specific period of time.

• Promotion codes can be used to offer discounts to specific customers.

• Promotions can be applied automatically or require a code to be entered at checkout.