S2 Infotech Network Engineer Interview Questions and Answers for Experienced

VLAN stands for Virtual Local Area Network, a method of segmenting a physical network into multiple virtual networks.

• VLANs allow for better network security by isolating traffic between different groups of devices.

• They can improve network performance by reducing broadcast traffic.

• VLANs can be used to logically group devices based on department, function, or location.

• Each VLAN operates as if it is on its own separate ne...read more

P2P is a direct connection between two parties, while MPLS is a network technology that directs data from one network node to the next based on short path labels.

• P2P stands for Peer-to-Peer and is a decentralized communication model where each party has equal capabilities and responsibilities.

• MPLS stands for Multiprotocol Label Switching and is a routing technique used in telecommunications networks to speed up and sha...read more

The manpower required to complete a plan depends on the scope, complexity, and timeline of the project.

• Manpower requirements can vary based on the size and complexity of the project.

• Consider the skills and expertise needed for each task in the plan.

• Factor in the timeline and deadlines for completing the plan.

• Utilize project management tools to estimate manpower needs accurately.

• Example: A large-scale construction proje...read more

MGCP, SIP, and SCCP are protocols used in telecommunications for controlling communication sessions.

• MGCP (Media Gateway Control Protocol) is used for controlling media gateways in VoIP networks.

• SIP (Session Initiation Protocol) is used for initiating, maintaining, and terminating real-time sessions like voice and video calls over IP networks.

• SCCP (Skinny Client Control Protocol) is a Cisco proprietary protocol used for...read more

Logs can be collected using various methods such as syslog, SNMP, agent-based monitoring, and log management tools.

• Use syslog to collect system logs from network devices

• Utilize SNMP to gather performance data and alerts from network devices

• Deploy agent-based monitoring tools on servers to collect detailed logs

• Implement log management tools like Splunk or ELK stack for centralized log collection and analysis