ACT Fibernet NOC Engineer Interview Questions and Answers

The port number used by DHCP is 67 (server) and 68 (client).

• Port 67 is used by DHCP server to listen for client requests

• Port 68 is used by DHCP client to send requests to the server

• DHCP uses UDP protocol for communication

Understanding IP address pools involves calculating the range of usable IPs based on the given subnet mask.

• Identify the network address by applying the subnet mask to the IP address.

• Calculate the broadcast address, which is the last address in the subnet.

• Determine the range of usable IP addresses, which excludes the network and broadcast addresses.

• Example: For IP 192.168.1.10 with a mask of 255.255.255.0, the network i...read more

ISIS and MDLS are protocols used in networking for routing and network management.

• ISIS (Intermediate System to Intermediate System) is a routing protocol used to exchange routing information between network devices.

• MDLS (Management Data Input/Output Link Service) is a protocol used for network management tasks such as monitoring and configuration.

• ISIS is commonly used in large enterprise networks and internet service p...read more

Networking is the practice of connecting computers and other devices to share resources and information.

• Networking involves the use of hardware such as routers, switches, and cables to create a network.

• It also includes the use of software protocols like TCP/IP to facilitate communication between devices.

• Networking allows devices to share resources such as files, printers, and internet connections.

• Examples of networking...read more

DHCP assigns IP addresses, DNS translates domain names to IP addresses, VLAN separates network traffic, IPv4 has 32-bit addresses, IPv6 has 128-bit addresses.

• DHCP (Dynamic Host Configuration Protocol) assigns IP addresses to devices on a network dynamically.

• DNS (Domain Name System) translates domain names to IP addresses.

• VLAN (Virtual Local Area Network) separates network traffic into different segments.

• IPv4 has 32-bit...read more

IP stands for Internet Protocol. It is a set of rules that governs the format of data packets sent over a network.

• IP is responsible for addressing and routing packets across the internet.

• There are two versions of IP: IPv4 and IPv6.

• IPv4 uses 32-bit addresses and supports approximately 4.3 billion unique addresses.

• IPv6 uses 128-bit addresses and supports an enormous number of unique addresses.

• IPv6 was introduced to addre...read more

I'm looking for a competitive salary that reflects my skills and experience in the NOC field, ideally in the range of $60,000 to $80,000.

• Research industry standards: For NOC Engineers, salaries typically range from $50,000 to $80,000 depending on experience.

• Consider location: Salaries can vary significantly based on the cost of living in different regions.

• Highlight your skills: If you have certifications like CCNA or e...read more