Wipro Hardware Networking Support Engineer Interview Questions and Answers

Q1. Q1. What is Protocol and full Explanation. Ans. Protocol is a set of rules which are used in digital communication to connect network device and Exchange information between them.
Ans. 
Protocol is a set of rules used in digital communication to connect network devices and exchange information.
• Protocols define the format, timing, sequencing, and error checking of data transmission.

• Examples of protocols include TCP/IP, HTTP, FTP, and SMTP.

• Protocols ensure that devices can communicate effectively and understand each other's data.

• Different protocols serve different purposes, such as routing data, sending
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Q2. Q2. What is a Gateway and full Explanation. Ans. Gateway is a hardware device that is used to connect two dissimilar type of network. It allows us to send and receive data through the internet event it is ...read more
Ans. 
A gateway is a hardware device that connects two dissimilar types of networks, allowing data to be sent and received through the internet even if it is a LAN network.
• Gateway acts as an entry and exit point for data traffic between networks

• It translates data between different network protocols

• Examples include routers and firewalls that connect a local network to the internet
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Q1. How many types of VLAN in Computer Networking Ans. (1) Defaults VLAN (2) Data VLAN (3) Voice VLAN (4) Management VLAN (5) Native VLAN
Ans. 
There are five types of VLAN in computer networking: Default VLAN, Data VLAN, Voice VLAN, Management VLAN, and Native VLAN.
• Default VLAN is the VLAN that all switch ports are assigned to by default.

• Data VLAN is used to carry regular network traffic.

• Voice VLAN is used to carry voice traffic for VoIP systems.

• Management VLAN is used for managing network devices.

• Native VLAN is used for untagged traffic on a trunk port.
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Q2. What is VLAN Ans. Divides on Single Broadcast into Multiple to Broadcast Domains (OR) VLAN Provide a way to Group devices within a VLAN
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VLAN stands for Virtual Local Area Network. It is a network technology that allows for the creation of multiple virtual networks within a single physical network.
• VLANs divide a single broadcast domain into multiple broadcast domains.

• They provide a way to group devices within a VLAN, allowing for better network management and security.

• VLANs can be used to separate different departments or functions within an organizatio...read more
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Q1. How WAN LAN work
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WAN (Wide Area Network) and LAN (Local Area Network) are two types of networks that work together to connect devices over different geographical areas.
• WAN covers large geographical areas, connecting multiple LANs together.

• LAN is limited to a small area, like a single building or campus.

• WAN uses public infrastructure like telephone lines, fiber optics, or satellite links.

• LAN typically uses Ethernet cables or Wi-Fi for c...read more
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Q2. How 150 Computer at time connect
Ans. 
150 computers can connect simultaneously through a network switch or router.
• Use a network switch or router to connect all 150 computers simultaneously.

• Ensure that the network infrastructure can handle the bandwidth and traffic of 150 computers.

• Set up the network with proper IP addressing and subnetting to avoid conflicts.

• Consider using VLANs to segregate traffic and improve network performance.

• Implement security measur...read more
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Aptitude test is very difficult It takes more time for thinking

Q1. About resume questions
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Q2. Power' supplies Testing
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Q3. Card level tesing
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Q4. Soldering on Printed Circuit Board
Ans. 
Soldering on Printed Circuit Board
• Soldering is a process of joining electronic components to a PCB using solder

• It requires heating the solder and applying it to the joint

• Soldering ensures electrical and mechanical connections on the PCB

• Proper soldering techniques are crucial for reliable circuit operation

• Common soldering tools include soldering iron, solder wire, and flux

• Techniques like through-hole soldering and surfa...read more
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Q5. My skills on resume
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About my Testing ,my skills

About any topic on gd

Q1. Introduction and projects
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Q1. EXPLAIN ABOUT booting process
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Booting process is the sequence of events that occur when a computer is turned on and starts up.
• Power on self-test (POST) is performed to check hardware components

• BIOS or UEFI firmware is loaded to initialize hardware

• Boot loader is loaded to start the operating system

• Operating system kernel is loaded into memory

• User login prompt is displayed
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Q2. What is causes for boot failure
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Common causes for boot failure include hardware issues, software errors, and incorrect BIOS settings.
• Hardware failure (e.g. faulty hard drive, RAM issues)

• Software errors (e.g. corrupted operating system files)

• Incorrect BIOS settings (e.g. boot order misconfiguration)
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Q3. What is an lvm
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LVM stands for Logical Volume Manager, a tool used in Linux to manage storage by creating logical volumes from physical volumes.
• LVM allows for dynamic resizing of logical volumes without disrupting data.

• It provides features like snapshots, striping, mirroring, and thin provisioning.

• Common LVM commands include pvcreate, vgcreate, lvcreate, lvextend, and lvresize.
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Q4. How to create an lvm
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To create an LVM, you need to initialize physical volumes, create a volume group, and then create logical volumes within the volume group.
• Initialize physical volumes using pvcreate command

• Create a volume group using vgcreate command

• Create logical volumes within the volume group using lvcreate command
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Q5. How is yum command used ?
Ans. 
yum command is used to install, update, remove, or manage packages on Linux systems.
• Install a package: yum install package_name

• Update all packages: yum update

• Remove a package: yum remove package_name

• List available packages: yum list available
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