Sify Technologies Interview Questions and Answers

Q1. What is MPLS What is DNS What is Subnetting
Ans. 
MPLS is a protocol used for efficient data transfer. DNS is a system that translates domain names to IP addresses. Subnetting is dividing a network into smaller subnetworks.
• MPLS stands for Multiprotocol Label Switching and is used to route network traffic efficiently.

• DNS stands for Domain Name System and is used to translate domain names to IP addresses.

• Subnetting is the process of dividing a network into smaller subne...read more
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Q2. What is difference IPv4 and IPV6
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Discuss Banking Network

Q1. What are your salary expectations?
Ans. 
I expect a competitive salary based on my experience, skills, and the responsibilities of the role.
• Research the average salary range for Network Engineers in your area

• Consider your level of experience and expertise

• Factor in the job responsibilities and requirements

• Be prepared to negotiate and discuss benefits

• Example: I expect a salary in the range of $70,000 to $90,000 per year based on industry standards and my qualif...read more
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Q2. Tell me about yourself.
Ans. 
I am a highly skilled and experienced Network Engineer with a strong background in designing, implementing, and managing complex network infrastructures.
• I have a Bachelor's degree in Computer Science and multiple certifications in networking technologies such as CCNA and CCNP.

• I have worked for 5 years at XYZ Company, where I was responsible for maintaining and troubleshooting network systems for a large enterprise.

• I ha...read more
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Q1. What is bgp protocol
Ans. 
BGP (Border Gateway Protocol) is a standardized exterior gateway protocol used to exchange routing information between different autonomous systems on the internet.
• BGP is used to make routing decisions based on network policies, rules, and attributes.

• It is a path vector protocol that uses TCP as its transport protocol.

• BGP routers exchange routing information by advertising routes to their neighbors.

• BGP is commonly used...read more
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Q2. What is bgp types
Ans. 
BGP (Border Gateway Protocol) types refer to different categories of BGP messages exchanged between routers.
• BGP Update messages - used to advertise routing information between BGP routers

• BGP Open messages - used to establish a BGP session between routers

• BGP Keepalive messages - used to maintain the BGP session by confirming connectivity

• BGP Notification messages - used to report errors or terminate the BGP session
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Q3. Type of routers
Ans. 
Routers are networking devices that forward data packets between computer networks.
• Routers operate at the network layer of the OSI model

• They use IP addresses to determine the best path for data packets

• Examples include Cisco, Juniper, and TP-Link routers
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Q4. What is bgp state
Ans. 
BGP state refers to the current status of a BGP session between two routers.
• BGP state can be in one of several states such as Idle, Connect, OpenSent, OpenConfirm, Established.

• The Established state indicates that the BGP session is fully established and routing information can be exchanged.

• The Idle state means that the BGP session is not active and no routing information is being exchanged.

• The Connect state indicates t...read more
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Q5. What is switch login and configuration
Ans. 
Switch login and configuration involves accessing a switch's management interface to make changes to its settings.
• Switch login is the process of accessing a switch's management interface using a username and password.

• Configuration involves making changes to the switch's settings such as VLANs, port configurations, and security settings.

• Common protocols used for switch login and configuration include SSH, Telnet, and we...read more
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Q1. What is wireless
Ans. 
Wireless refers to the transmission of data without the use of physical cables or wires.
• Wireless technology uses radio waves to transmit data over a network.

• Examples of wireless technology include Wi-Fi, Bluetooth, and cellular networks.

• Wireless networks are convenient for mobile devices and allow for greater flexibility in connectivity.
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Q2. What is switch congratulations
Ans. 
Switch congestion occurs when a network switch is overwhelmed with traffic, leading to delays or dropped packets.
• Switch congestion can occur when there is a high volume of data being transmitted through the switch

• It can lead to delays in data transmission or even dropped packets

• Switch congestion can be alleviated by implementing Quality of Service (QoS) policies or upgrading to higher capacity switches
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Q3. Aruna wifi configuration
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Q4. Wireless device configuration
Ans. 
Wireless device configuration involves setting up and managing wireless networks for optimal performance.
• Understand the network requirements and goals

• Select appropriate wireless devices and access points

• Configure SSIDs, security settings, and encryption protocols

• Optimize placement of access points for coverage and performance

• Monitor and troubleshoot network performance
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Q5. Customer support
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Q1. Lan details and procols
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Q2. Wan technology and trouble shooting
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