Brennan IT Information Technology Support Engineer Interview Questions and Answers

Outlook is a popular email client developed by Microsoft.

• Outlook is used for sending and receiving emails.

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

• Outlook can be accessed through desktop application, web browser, or mobile app.

• It supports integration with other Microsoft products like Office 365.

• Outlook allows users to organize emails into folders and set up rules for auto

Subnet mask is a 32-bit number used to identify the network and host portions of an IP address.

• It is used to divide an IP address into network and host portions.

• It is represented in decimal format, like 255.255.255.0.

• It is used in conjunction with IP addresses to determine network and host addresses.

• It is used in routing decisions to determine the best path for network traffic.

OSI (Open Systems Interconnection) model is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system.

• OSI model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has a specific function and communicates with the adjacent layers.

• The layers are designed to be independent of each other, allowing for e...read more

Cat5 supports up to 100 Mbps while Cat6 supports up to 10 Gbps.

• Cat5 has a maximum bandwidth of 100 MHz while Cat6 has a maximum bandwidth of 250 MHz.

• Cat6 has stricter specifications for crosstalk and system noise compared to Cat5.

• Cat6 cables are thicker and less flexible than Cat5 cables.

• Cat6 cables are more expensive than Cat5 cables.

• Cat6 is recommended for high-speed data transfers and larger networks.

• Cat5 is suitabl

Azure AD is a cloud-based identity and access management service.

• Provides single sign-on (SSO) to various cloud-based and on-premises applications

• Offers multi-factor authentication (MFA) and conditional access policies

• Integrates with other Microsoft services like Office 365 and Azure

• Allows for user and group management, as well as device management