Corporate Infotech Desktop Support Engineer Interview Questions and Answers

Office 365 uses ports 25 and 587 for outgoing mail and ports 110 and 995 for incoming mail.

• Outgoing mail uses ports 25 and 587

• Incoming mail uses ports 110 and 995

• Ensure these ports are open on firewalls for proper email functionality

IMAP port 993 is used for incoming emails in Outlook, while SMTP port 587 is used for outgoing emails.

• IMAP port 993 is used for receiving emails in Outlook

• SMTP port 587 is used for sending emails in Outlook

• IMAP allows you to access your emails from multiple devices while keeping them synchronized

• SMTP is responsible for sending emails to the recipient's mail server

DNS (Domain Name System) is a system that translates domain names to IP addresses, while DHCP (Dynamic Host Configuration Protocol) assigns IP addresses to devices on a network.

• DNS is like a phone book for the internet, translating domain names (like google.com) to IP addresses (like 172.217.3.206)

• DHCP automatically assigns IP addresses to devices on a network, making it easier to manage and configure network settings

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Outlook is a popular email client developed by Microsoft as part of the Microsoft Office suite.

• Outlook is used for sending and receiving emails.

• It also includes features like calendar, task manager, contact manager, note taking, and web browsing.

• Outlook can be used as a standalone application or connected to Microsoft Exchange Server for business use.