IMPACT Infotech Network Support Engineer Interview Questions and Answers

Q1. TolalExperience
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Q2. Workgroup and Domain
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Q1. What is DHCP,DNS and port
Ans. 
DHCP assigns IP addresses, DNS translates domain names to IP addresses, ports allow multiple applications to communicate on a single device
• DHCP stands for Dynamic Host Configuration Protocol

• DNS stands for Domain Name System

• Ports are virtual endpoints for communication in networking

• DHCP assigns IP addresses automatically to devices on a network

• DNS translates domain names (e.g. www.google.com) to IP addresses (e.g. 172.2...read more
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Q2. RAM ,SMPS,BIOS, and HDD
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Normal test

Vendor call logged

Q1. What is the MGCP, SIP and SCCP
Ans. 
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
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Q2. How to logs collect
Ans. 
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
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Q1. Basic questions only
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Q1. Related CCNA and ccnp
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Q1. What is Vlan explain
Ans. 
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
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Q2. Difference in P2P and MPLS
Ans. 
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
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Count duplicates in a string using java

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