STL Training Network Support Engineer Interview Questions and Answers

Network related questions

Q1. What is salary expectation?
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Q2. Document verification
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Q1. Volte call flow
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Q1. Osi layer, ip , epon and gpon
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Q2. Osi layer,ip, epon and gpon
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Q3. Osi layer, ip, epon and gpon
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Q4. Mac work on which layer?
Ans. 
Mac works on the Data Link layer.
• Mac stands for Media Access Control.

• It operates on the Data Link layer of the OSI model.

• Responsible for the addressing of devices on a network.

• Examples include Ethernet MAC addresses.
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Q5. Ip work on which layer?
Ans. 
IP works on the network layer (Layer 3) of the OSI model.
• IP stands for Internet Protocol.

• It is responsible for routing packets across different networks.

• IP addresses are unique identifiers assigned to devices on a network.

• Examples of IP versions include IPv4 and IPv6.
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Q6. What is epon and gpon
Ans. 
EPON and GPON are types of passive optical networks used for delivering telecommunications services.
• EPON stands for Ethernet Passive Optical Network and uses Ethernet technology for data transmission.

• GPON stands for Gigabit Passive Optical Network and offers higher bandwidth and longer reach compared to EPON.

• Both EPON and GPON are used for delivering high-speed internet, VoIP, and IPTV services to subscribers.

• EPON is m...read more
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Q7. What is ARP? what is pon
Ans. 
ARP stands for Address Resolution Protocol, used to map IP addresses to MAC addresses. PON stands for Passive Optical Network, a type of fiber-optic network.
• ARP is used to resolve IP addresses to MAC addresses on a local network

• ARP operates at the data link layer of the OSI model

• PON is a type of fiber-optic network that uses passive optical splitters to serve multiple users
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Q1. What is subnetting and router work on which layer
Ans. 
Subnetting is the process of dividing a network into smaller subnetworks. Routers operate at the network layer (Layer 3) of the OSI model.
• Subnetting involves creating multiple smaller networks from a single larger network by dividing the IP address range.

• It helps in efficient utilization of IP addresses and improves network performance by reducing broadcast traffic.

• Routers operate at the network layer (Layer 3) of the ...read more
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Q2. Lan card work on which layer?
Ans. 
Lan card works on the Data Link layer of the OSI model.
• Lan card operates at Layer 2 of the OSI model, which is the Data Link layer.

• It is responsible for the physical addressing of devices on the network.

• Examples of Lan cards include Ethernet cards and wireless network adapters.
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General aptitude questions

Current gd topics like younster nowdays, social media, current politics

Q1. About fibers, transmission, data speed, network troubleshootings, sla
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Q1. What is BGP community
Ans. 
BGP community is a way to group BGP routes and apply policies to them based on common attributes.
• BGP community is a 32-bit numerical value attached to BGP routes.

• It can be used to group routes based on common attributes such as geographic location, customer type, or service level.

• Network operators can use BGP communities to apply routing policies, such as controlling route propagation or setting local preference.

• Commun...read more
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Q1. What is AS number? Why BGP used? steps in BGP process?
Ans. 
AS number is a unique identifier assigned to an autonomous system. BGP is used for inter-domain routing. BGP process involves neighbor discovery, route advertisement, and route selection.
• AS number is a 16-bit or 32-bit number used to identify an autonomous system.

• BGP is used for inter-domain routing and is a path-vector protocol.

• BGP process involves neighbor discovery, where routers establish a TCP connection and excha...read more
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Q2. TCP IP and port number?
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