DIGIWAY NET Interview Questions and Answers

DNS server is a computer server that contains a database of public IP addresses and their associated hostnames.

• DNS servers translate domain names into IP addresses

• They help in resolving domain names to their corresponding IP addresses

• DNS servers store records like A, AAAA, CNAME, MX, etc.

• Examples of DNS servers include Google DNS, OpenDNS, and Cloudflare DNS

VLAN stands for Virtual Local Area Network, used to segment network traffic for security and performance purposes.

• VLANs divide a single physical network into multiple logical networks.

• They help in improving network security by isolating traffic between different VLANs.

• VLANs can also improve network performance by reducing broadcast traffic.

• They are configured at the switch level by assigning specific ports to a VLAN.

• Ex...read more

Internet may not be working due to various reasons such as network connectivity issues, DNS problems, or hardware failures.

• Check network cables and connections to ensure they are properly connected.

• Verify if the router or modem is functioning correctly.

• Troubleshoot DNS settings to ensure they are configured properly.

• Check for any software updates or firewall settings that may be blocking internet access.

• Contact the Int...read more

I learned about this job through a combination of networking, job boards, and industry events that highlighted opportunities in network engineering.

• I attended a local tech meetup where a speaker discussed the growing demand for network engineers.

• I regularly check job boards like LinkedIn and Indeed, where I found this position listed.

• A former colleague reached out to me about this opportunity, knowing my background in ...read more

In my last company, I was responsible for designing, implementing, and maintaining network infrastructure to ensure optimal performance.

• Led a team to upgrade the company's network infrastructure, resulting in a 30% increase in data transfer speeds.

• Implemented a new firewall solution that improved security and reduced unauthorized access incidents by 40%.

• Conducted regular network performance assessments, identifying bot...read more

TCP is a connection-oriented protocol, while IP is a connectionless protocol used for routing packets across networks.

• TCP (Transmission Control Protocol) ensures reliable data transmission with error checking and flow control.

• IP (Internet Protocol) is responsible for addressing and routing packets to their destination without guaranteeing delivery.

• TCP establishes a connection before data transfer, while IP sends packet...read more