What is active directory?What is DNS? What would you use to connect two computers without using switches?What is the operating system? Explain about VPN server? What is a Ping command?What is the difference between permission, rights, and policy?What are the operational roles for DC (Domain controller) and ADC ( Additional Domain Controller)? What is a “Default Gateway”?How can you take a backup of emails in MS Outlook? How many classes are there for “IP addresses” and what are the ranges?What is BSOD? How do you troubleshoot it?What is the SMTP server or POP server? a

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Answers to various technical questions related to desktop support engineering.

Active Directory is a directory service that stores information about objects on a network.
DNS is a system that translates domain names into IP addresses.
To connect two computers without using switches, a crossover cable can be used.
An operating system is a software that manages computer hardware and software resources.
A VPN server allows remote users to securely access a private network.
Ping command is used to test the connectivity between two network devices.
Permission refers to the access granted to a user or group to perform a specific action.
Rights refer to the privileges granted to a user or group to perform a specific action.
Policy refers to the rules and guidelines that govern the behavior of users and systems.
DC is responsible for managing the authentication and authorization of users and computers in a domain.
ADC is a backup domain controller that provides fault tolerance and load balancing.
Default Gateway is a network device that connects a local network to the internet.
MS Outlook allows users to backup emails by exporting them to a PST file.
There are 5 classes of IP addresses: A, B, C, D, and E.
BSOD stands for Blue Screen of Death and is a critical error that causes a system to crash.
SMTP server is used to send emails, while POP server is used to receive emails.

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