Excitel Broadband Warehouse Incharge Interview Questions and Answers

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...read more

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...read more

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...read more

RF stands for Radio Frequency, a technology used for wireless communication and data transmission.

• RF is commonly used in various applications such as WiFi, Bluetooth, and cellular networks.

• RF signals are transmitted through antennas and can travel long distances.

• RF technology is also used in RFID systems for tracking and identification purposes.

Optical planning involves managing projects, materials, and manpower for optical fiber cable installations.

• Optical planning focuses on designing and implementing optical fiber cable projects.

• Material management includes procuring, storing, and distributing necessary materials for the projects.

• Manpower management involves assigning tasks, scheduling work, and ensuring efficient use of resources.

• Examples: Creating a deta...read more

AS number is a unique identifier assigned to an autonomous system. BGP is used for inter-domain routing. BGP process involves neighbor discovery, route advertisement, and route selection.

• AS number is a 16-bit or 32-bit number used to identify an autonomous system.

• BGP is used for inter-domain routing and is a path-vector protocol.

• BGP process involves neighbor discovery, where routers establish a TCP connection and excha...read more