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A protocol is a set of rules that governs the communication between devices in a network. There are several types of protocols.
A protocol defines the format, timing, sequencing, and error control of data transmission.
Protocols can be categorized into network protocols, transport protocols, and application protocols.
Examples of network protocols include IP (Internet Protocol), ICMP (Internet Control Message Protocol), a...
AD stands for Active Directory, which is a directory service used in Windows environments. Range refers to a specific set of values or a span of numbers.
AD is a centralized database that stores information about network resources, such as users, computers, and groups.
It provides authentication and authorization services, allowing users to access resources based on their permissions.
AD uses a hierarchical structure with...
The OSI Model is a conceptual framework that standardizes the functions of a communication system into seven layers.
The OSI Model stands for Open Systems Interconnection Model.
It was developed by the International Organization for Standardization (ISO) in 1984.
The model helps in understanding how different network protocols and technologies interact.
It divides the network communication process into seven layers, each w...
The layers that call to the heart of OSI are the Transport layer and the Application layer.
The Transport layer is responsible for the end-to-end delivery of data and ensures reliable communication between hosts.
The Application layer provides services directly to the end-user and includes protocols like HTTP, FTP, SMTP, etc.
These layers interact with the heart of the OSI model, which is the core of the network architect...
The protocol with the lowest AD value is OSPF (Open Shortest Path First).
AD (Administrative Distance) is a value used by routers to determine the best path for forwarding packets.
Lower AD value indicates a more preferred route.
OSPF has an AD value of 110, which is lower than other routing protocols like RIP (120) and EIGRP (90).
Protocols that work with Application layers include HTTP, FTP, SMTP, DNS, and SNMP.
HTTP (Hypertext Transfer Protocol) is used for web browsing and communication between web servers and clients.
FTP (File Transfer Protocol) is used for transferring files between a client and a server.
SMTP (Simple Mail Transfer Protocol) is used for sending and receiving email messages.
DNS (Domain Name System) is used for translating doma...
I applied via Referral and was interviewed in Dec 2024. There was 1 interview round.
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...
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
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
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...
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...
I applied via Approached by Company and was interviewed in Oct 2024. There was 1 interview round.
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.
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
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
Sify Technologies interview questions for popular designations
LAN stands for Local Area Network, a network of interconnected devices within a limited area such as a home, office, or school.
LAN allows devices to communicate with each other and share resources like files, printers, and internet access.
Devices in a LAN are typically connected using Ethernet cables or Wi-Fi.
LANs are commonly used in homes and businesses to facilitate communication and resource sharing.
Examples of LAN...
WAN stands for Wide Area Network, a network that covers a broad area such as multiple buildings, cities, or countries.
WAN is used to connect geographically dispersed locations.
It typically utilizes public or private communication links.
Examples of WAN technologies include MPLS, leased lines, and VPNs.
Get interview-ready with Top Sify Technologies Interview Questions
I applied via LinkedIn and was interviewed in Apr 2024. There were 3 interview rounds.
Prepare well for the aptitude test
I am a recent graduate from XYZ University with a degree in Mechanical Engineering.
Graduated from XYZ University with a degree in Mechanical Engineering
Completed internships at ABC Company and DEF Company
Proficient in CAD software and project management
Participated in engineering competitions and clubs on campus
I have a certification in AutoCAD and SolidWorks.
Certified in AutoCAD for 2 years
Certified in SolidWorks for 1 year
I am a dedicated engineer trainee with a passion for problem-solving. My family is supportive and close-knit.
I am currently pursuing a degree in engineering at XYZ University.
I have completed internships at ABC Company where I gained hands-on experience in project management.
My family consists of my parents, a younger sister, and a pet dog named Max.
We enjoy spending time together hiking in the mountains and trying out
Team management involves leading and guiding a group of individuals towards a common goal, utilizing various skills and strategies.
Effective communication is key in team management to ensure everyone is on the same page.
Delegating tasks based on team members' strengths and weaknesses can improve efficiency.
Motivating and inspiring team members to perform at their best is essential for success.
Resolving conflicts and ad...
I applied via Indeed and was interviewed in Oct 2023. There were 2 interview rounds.
To check link configuration modem status and router issues, you can use command line tools like ipconfig, ping, tracert, and log into the router's web interface.
Use ipconfig to check network configuration on the computer
Use ping to test connectivity between the computer and the modem/router
Use tracert to trace the route to the modem/router
Log into the router's web interface to check its configuration and status
I applied via Naukri.com and was interviewed in Oct 2023. There were 2 interview rounds.
A database in SQL is a structured collection of data that is stored and accessed using SQL queries.
SQL stands for Structured Query Language, used to interact with databases.
Tables are used to store data in a database, with rows representing individual records and columns representing attributes.
Queries can be used to retrieve, insert, update, and delete data from a database.
Primary keys uniquely identify each record in...
I applied via Campus Placement and was interviewed in Jan 2024. There were 3 interview rounds.
Easy time and work and some technical questions
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