10+ Esskay International 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.

• Examples of straight through cables include connecting a compu...read more

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

OLT can be connected to a computer using an Ethernet cable and configuring the network settings.

• Use an Ethernet cable to connect the OLT to the computer's Ethernet port.

• Configure the network settings on the computer to match the OLT's IP address and subnet mask.

• Access the OLT's management interface through a web browser on the computer to manage the network settings.

• Ensure proper power supply to both the OLT and the computer for stable connection.

To access your 192.168.0.1 router, you need to open a web browser and enter the IP address in the address bar.

• Open a web browser on your computer or device.

• Type 'http://192.168.0.1' in the address bar and press Enter.

• You will be prompted to enter a username and password to access the router settings.

• Once logged in, you can configure your router settings as needed.

The modem is connected to the router in a sequential manner.

• The modem is the first device in the sequence, as it connects to the internet service provider (ISP).

• The router is then connected to the modem, acting as a gateway between the modem and the local network.

• Devices such as computers, smartphones, and smart TVs are connected to the router to access the internet.

• The sequential connection allows the router to manage network traffic and provide internet connectivity to mult...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

The IP Address of OLT is the unique numerical label assigned to it for communication within a network.

• The IP Address of OLT stands for Optical Line Terminal.

• It is used to manage and control the communication between the OLT and ONUs.

• Example: 192.168.1.1

Smart OLT can be configured through the management interface using a web browser.

• Access the Smart OLT management interface through a web browser

• Login with the appropriate credentials

• Navigate to the configuration settings to set up parameters such as VLANs, QoS, and security features

• Save and apply the changes to activate the new configuration

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 network resources.

• For example, a company may have separate VLAN...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 devices

• SNMP uses MIB (Management Information Base) to define the...read more

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

A master plan provides several benefits for Auto Cad Engineers.

• Helps in organizing and coordinating complex projects

• Provides a clear roadmap for project execution

• Ensures efficient utilization of resources

• Facilitates effective communication and collaboration among team members

• Allows for better risk management and contingency planning

• Enables long-term project scalability and adaptability

• Improves project scheduling and timeline management