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I was interviewed before Feb 2024.
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...
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
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
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
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...
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...
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I applied via Company Website and was interviewed before Feb 2021. There were 2 interview rounds.
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I applied via Campus Placement and was interviewed before May 2021. There were 3 interview rounds.
Technically
VLANs are used to segment networks at the data link layer. There are different types of VLANs based on their purpose.
VLAN stands for Virtual Local Area Network
It is used to divide a physical network into multiple logical networks
VLANs operate at the data link layer (layer 2) of the OSI model
Types of VLANs include default VLAN, management VLAN, voice VLAN, data VLAN, etc.
I applied via Apna Jobs and was interviewed before Oct 2021. There were 2 interview rounds.
I am a dedicated network engineer with 5 years of experience in designing, implementing, and troubleshooting complex network infrastructures.
Experienced in configuring routers, switches, firewalls, and load balancers
Skilled in network security protocols such as VPNs, ACLs, and IDS/IPS
Proficient in network monitoring tools like Wireshark and Nagios
Certified in Cisco CCNA and CCNP
OFC stands for Optical Fiber Cable, which is a type of cable made of glass or plastic fibers that transmit data using light.
OFC is used for high-speed data transmission over long distances.
It is commonly used in telecommunications, internet, and cable TV networks.
OFC is more reliable and has higher bandwidth than traditional copper cables.
Examples of OFC include single-mode fiber and multi-mode fiber.
OFC requires speci...
Multiplexer is a device that combines multiple signals into one signal. Demultiplexer is a device that separates one signal into multiple signals.
Multiplexer is also known as MUX.
It is used to increase the capacity of a communication channel.
Demultiplexer is also known as DEMUX.
It is used to route a single input signal to multiple output signals.
Multiplexer and demultiplexer are commonly used in digital communication s...
OTDR stands for Optical Time Domain Reflectometer. It is a device used to test and troubleshoot fiber optic networks.
OTDR sends a pulse of light into the fiber and measures the time and strength of the reflected signal.
It can detect faults such as breaks, bends, and splices in the fiber.
OTDR can also measure the length of the fiber and the attenuation of the signal.
It is an essential tool for maintaining and repairing ...
I have a strong technical background, excellent problem-solving skills, and a proven track record of successfully implementing network solutions.
Extensive experience in designing, implementing, and managing complex network infrastructures
Strong knowledge of network protocols and technologies such as TCP/IP, VLANs, and routing protocols
Proven ability to troubleshoot network issues and implement effective solutions
Excell...
I applied via Walk-in and was interviewed before Jul 2020. There was 1 interview round.
I was interviewed in Nov 2016.
I applied via Naukri.com and was interviewed before Jun 2020. There were 4 interview rounds.
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
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