Allied Digital Services Interview Questions, Process, and Tips

Q1. What is DHCP and it's functioning
Ans. 
DHCP stands for Dynamic Host Configuration Protocol. It is a network protocol that automatically assigns IP addresses to devices on a network.
• DHCP assigns IP addresses to devices on a network dynamically

• It helps in reducing the manual effort of assigning IP addresses

• DHCP servers lease IP addresses to devices for a specific period of time

• DHCP also provides other network configuration information like subnet mask, defaul...read more
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Q2. What's is domain and workgroup
Ans. 
A domain is a group of computers that share a common security database, while a workgroup is a smaller group of computers that share resources.
• Domain is used in a business environment for centralized management of users, computers, and resources

• Workgroup is used in a small network where each computer has its own security settings

• Example: A company may have a domain for all employees to access shared resources, while a ...read more
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Nothing major asked in coding round

Q1. Nothing major asked in tech round
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Q2. Nothing major asked in hr round
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Q1. How to check a SMPS?
Ans. 
To check a SMPS, you can use a multimeter to test the voltage output and check for any physical damage.
• Use a multimeter to test the voltage output of the SMPS

• Check for any physical damage such as burnt components or bulging capacitors

• Ensure all connections are secure and properly plugged in

• Listen for any unusual noises coming from the SMPS during operation
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Q2. How to replace fusior in a printer?
Ans. 
To replace a fuser in a printer, follow these steps carefully.
• Turn off the printer and unplug it from the power source.

• Open the printer cover and locate the fuser unit.

• Remove the screws or clips holding the fuser in place.

• Carefully pull out the old fuser and replace it with a new one.

• Secure the new fuser in place with screws or clips.

• Close the printer cover and plug the printer back in.

• Turn on the printer and test if t
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Q1. What is Network?
Ans. 
A network is a collection of computers, servers, mainframes, network devices, and other devices connected to one another to share data and resources.
• Networks can be classified based on their size (LAN, WAN, MAN)

• Networks can be wired or wireless

• Examples of networks include the internet, intranets, and extranets
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Q2. What can you tell us about TCP/IP stack? How is it different than OSI Model.
Ans. 
TCP/IP stack is a set of protocols used for communication over the internet, while OSI Model is a conceptual framework for understanding network communication.
• TCP/IP stack is a practical implementation of networking protocols used for communication over the internet.

• It consists of four layers: Application, Transport, Internet, and Link.

• Each layer has its own set of protocols and functions, such as HTTP, TCP, IP, and Et...read more
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Q3. Explain what is VPN?
Ans. 
VPN stands for Virtual Private Network, which allows users to securely access a private network over a public network.
• VPN creates a secure and encrypted connection between the user's device and the private network.

• It helps in protecting sensitive data from unauthorized access or interception.

• VPN can be used to access region-restricted websites or services.

• Common VPN protocols include OpenVPN, L2TP/IPsec, and PPTP.
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Q4. What are different IP classes?
Ans. 
IP classes are categories of IP addresses used to identify networks and hosts.
• There are five classes of IP addresses: A, B, C, D, and E.

• Classes A, B, and C are commonly used for host addresses, while classes D and E are reserved for special purposes.

• Each class has a different range of possible IP addresses.

• Class A addresses start with 1-126, Class B addresses start with 128-191, and Class C addresses start with 192-223...read more
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