10+ Engineer- Customer Support Interview Questions and Answers for Freshers

Blue screen and black screen errors are system errors that occur when the operating system crashes or stops working.

• Blue screen error, also known as the Blue Screen of Death (BSOD), is a system error that occurs when the operating system encounters a critical error and cannot recover.

• Black screen error is a system error that occurs when the operating system crashes and the screen turns black, indicating that the system is not responding.

• Both errors can be caused by hardware o...read more

Revenue from new customers can be generated through various strategies such as offering discounts, promotions, referral programs, and upselling.

• Offer discounts or promotions to attract new customers

• Implement a referral program to incentivize existing customers to refer new ones

• Upsell additional products or services to new customers

• Provide excellent customer support to retain new customers and encourage repeat business

The industry is customer support for technical products and services.

• Provides assistance and troubleshooting for customers using technical products

• Resolves customer issues and inquiries through various communication channels

• Requires strong technical knowledge and problem-solving skills

• Examples: customer support for software companies, IT helpdesk for hardware manufacturers

MPLS stands for Multiprotocol Label Switching.

• MPLS is a protocol used in computer networks to improve the speed and efficiency of data transmission.

• It operates at the network layer of the OSI model and is used to route packets based on labels instead of IP addresses.

• MPLS allows for the creation of virtual private networks (VPNs) and traffic engineering.

• It provides quality of service (QoS) capabilities by prioritizing certain types of traffic.

• Example: MPLS is commonly used by ...read more

Yes, I can install Windows.

• I have experience installing various versions of Windows.

• I am familiar with the installation process and requirements.

• I can troubleshoot installation issues if they arise.

Yes, I have experience configuring IP addresses for network devices.

• I am familiar with configuring IP addresses for routers, switches, and firewalls.

• I have experience with both IPv4 and IPv6 addressing.

• I am comfortable using command line interfaces and GUIs to configure IP addresses.

• I understand subnetting and can configure IP addresses accordingly.

• I have troubleshooted IP address conflicts and connectivity issues.

• Example: Configured IP addresses for a network of 50 computers...read more

A program to calculate the area of a rectangle

• Take input of length and width from user

• Multiply length and width to get area

• Display the calculated area to the user

Usefulness and relevance make use.

• Usefulness: something that serves a purpose or fulfills a need

• Relevance: something that is applicable or related to a situation

• Example: A tool that helps solve a problem is useful and relevant to the user

• Example: Information that is timely and accurate is useful and relevant to the customer

The network layer is responsible for routing and forwarding data packets across different networks.

• The network layer operates at the third layer of the OSI model.

• It provides logical addressing and routing of data packets.

• Network layer protocols include IP (Internet Protocol) and ICMP (Internet Control Message Protocol).

• Routers are the primary devices that operate at the network layer.

• Example: When you send an email from your computer to a server located in a different country...read more

Yes, I repair hardware.

• I have experience in diagnosing and fixing hardware issues.

• I am skilled in repairing various types of hardware such as computers, printers, and servers.

• I can troubleshoot and replace faulty components to ensure proper functioning.

• I am familiar with using tools and equipment required for hardware repairs.

• I have successfully repaired hardware for previous clients or employers.