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D-VoiS Communications Network Engineer Interview Questions and Answers
D-VoiS Communications Network Engineer Interview Experiences
1 interview found
Anonymous
I applied via Naukri.com and was interviewed in Mar 2022. There was 1 interview round.
(1 Question)
- Q1. Ospf bgp networking troubleshooting questions
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Selected
I was interviewed before Feb 2024.
(6 Questions)
- Q1. What is difference between straight through and cross over cabling
- Ans.
Straight through cables are used to connect different types of devices, while crossover cables are used to connect similar devices.
Straight through cables have the same wiring at both ends, while crossover cables have the wiring reversed at one end.
Straight through cables are commonly used to connect a computer to a switch or router, while crossover cables are used to connect two computers or two switches directly.
Exam...
- Q2. Port number of FTP, HTTP, DNS, DHCP
- Ans.
Port numbers for FTP, HTTP, DNS, DHCP
FTP uses port 21 for control and port 20 for data transfer
HTTP uses port 80 for communication
DNS uses port 53 for domain name resolution
DHCP uses port 67 for server and port 68 for client communication
- Q3. Name some Firewalls in market
- Ans.
Some popular firewalls in the market include Cisco ASA, Palo Alto Networks, Fortinet FortiGate, and Check Point.
Cisco ASA
Palo Alto Networks
Fortinet FortiGate
Check Point
- Q4. What are trunck and access ports
- Ans.
Trunk ports carry traffic for multiple VLANs, while access ports carry traffic for a single VLAN.
Trunk ports are used to interconnect switches and carry traffic for multiple VLANs
Access ports are used to connect end devices and carry traffic for a single VLAN
Trunk ports use tagging to differentiate between VLANs
Access ports do not use tagging and assign all incoming traffic to a specific VLAN
- Q5. What is a VLAN
- Ans.
A VLAN (Virtual Local Area Network) is a logical grouping of devices on a network that communicate as if they are on the same physical network.
VLANs help improve network security by isolating traffic between different groups of devices.
They can be used to segment network traffic for different departments, applications, or security levels.
VLANs are configured at the switch level and allow for more efficient use of netwo...
- Q6. What is SNMP
- Ans.
SNMP stands for Simple Network Management Protocol, used for monitoring and managing network devices.
SNMP is a protocol used to manage and monitor network devices
It allows network administrators to collect information from network devices like routers, switches, servers, etc.
SNMP operates on the application layer of the OSI model
It uses a manager-agent model where the manager collects data from agents on network device...
Selected
I was interviewed in Jun 2023.
(7 Questions)
- Q1. Osi layer, ip , epon and gpon
- Q2. Osi layer,ip, epon and gpon
- Q3. Osi layer, ip, epon and gpon
- 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.
- 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.
- 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...
- 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
(2 Questions)
- 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 ...
- 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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Selected
I applied via Naukri.com and was interviewed in Mar 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Prepare from CCNA syllabus?
- Q2. What is IP ......................?
- Ans.
IP stands for Internet Protocol, a set of rules governing the format of data sent over the internet.
IP is responsible for routing data packets between devices on a network.
It assigns a unique address to each device on the network, known as an IP address.
There are two versions of IP in use today: IPv4 and IPv6.
IPv4 addresses are 32-bit numbers, while IPv6 addresses are 128-bit numbers.
IP is a layer 3 protocol in the OSI...
Skills evaluated in this interview
Interview Questionnaire
2 Questions
- Q1. What is static and DHCP?
- Ans.
Static and DHCP are two methods of assigning IP addresses to devices on a network.
Static IP addresses are manually assigned to a device and do not change unless manually reconfigured.
DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses to devices on a network.
DHCP can also assign other network configuration information, such as subnet mask and default gateway.
Static IP addresses are useful for ...
- Q2. How to configure a router?
- Ans.
Configuring a router involves accessing its web interface, setting up basic network settings, and configuring advanced features.
Connect to the router's web interface using a web browser
Set up basic network settings such as IP address, subnet mask, and default gateway
Configure advanced features such as port forwarding, DHCP, and firewall rules
Save and apply the changes to the router's configuration
Test the router's conn
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Skills evaluated in this interview
(1 Question)
- 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...
Skills evaluated in this interview
Selected
I applied via Company Website and was interviewed before May 2023. There was 1 interview round.
(1 Question)
- Q1. New job APL and this job experience
Network Engineer Interview Questions & Answers
Excitel Broadband
Vipin Kumar Maurya
posted on 29 Dec 2024
(2 Questions)
- Q1. Network Engineer Olt OTDR Installation OFC
- Q2. To
I was interviewed in Nov 2016.
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Experience: I was asked to submit my r
I applied via Campus Placement and was interviewed before Mar 2021. There were 3 interview rounds.
There was total 100questions all are related to our diploma/btech paper..very easy
(1 Question)
- Q1. Technical round was very impressive and cool...just asked little little questions and they are see only confidence level.
(3 Questions)
- Q1. Tell me about yourself.
- Q2. Where do you see yourself in 5 years?
- Q3. What is your family background?
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D-VoiS Communications Network Engineer Interview Process
based on 2 interviews
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