American InfoSource Interview Questions and Answers

VLAN stands for Virtual Local Area Network, used to segment network traffic for improved security and performance.

• VLANs divide a single physical network into multiple logical networks, improving network security by isolating traffic.

• VLANs can improve network performance by reducing broadcast traffic and allowing for more efficient use of network resources.

• VLANs can simplify network management by grouping devices based on function or department.

• Example: VLAN 10 for finance dep...read more

STP stands for Spanning Tree Protocol, used in network switches to prevent loops and ensure redundant paths without causing broadcast storms.

• STP is used in network switches to prevent loops by blocking redundant paths

• It ensures network stability and prevents broadcast storms

• STP elects a root bridge and calculates the shortest path to each network segment

• Benefits include improved network reliability, reduced downtime, and efficient use of network resources

Network protocols are rules and conventions for communication between devices on a network.

• Network protocols define how data is formatted, transmitted, received, and acknowledged within a network.

• Examples of network protocols include TCP/IP, HTTP, FTP, and SMTP.

• Different network protocols serve different purposes, such as ensuring data integrity, routing data packets, or establishing connections.

Class A IP address is a type of IP address that is used for large networks with a huge number of devices.

• Class A IP addresses have a range from 1.0.0.0 to 126.255.255.255

• The first octet in a Class A IP address is always between 1 and 126

• Class A IP addresses provide a large number of host addresses but have fewer network addresses