Excitel Broadband Network Engineer Interview Questions, Process, and Tips

Mac works on the Data Link layer.

• Mac stands for Media Access Control.

• It operates on the Data Link layer of the OSI model.

• Responsible for the addressing of devices on a network.

• Examples include Ethernet MAC addresses.

IP works on the network layer (Layer 3) of the OSI model.

• IP stands for Internet Protocol.

• It is responsible for routing packets across different networks.

• IP addresses are unique identifiers assigned to devices on a network.

• Examples of IP versions include IPv4 and IPv6.

EPON and GPON are types of passive optical networks used for delivering telecommunications services.

• EPON stands for Ethernet Passive Optical Network and uses Ethernet technology for data transmission.

• GPON stands for Gigabit Passive Optical Network and offers higher bandwidth and longer reach compared to EPON.

• Both EPON and GPON are used for delivering high-speed internet, VoIP, and IPTV services to subscribers.

• EPON is m...read more

ARP stands for Address Resolution Protocol, used to map IP addresses to MAC addresses. PON stands for Passive Optical Network, a type of fiber-optic network.

• ARP is used to resolve IP addresses to MAC addresses on a local network

• ARP operates at the data link layer of the OSI model

• PON is a type of fiber-optic network that uses passive optical splitters to serve multiple users

Subnetting is the process of dividing a network into smaller subnetworks. Routers operate at the network layer (Layer 3) of the OSI model.

• Subnetting involves creating multiple smaller networks from a single larger network by dividing the IP address range.

• It helps in efficient utilization of IP addresses and improves network performance by reducing broadcast traffic.

• Routers operate at the network layer (Layer 3) of the ...read more

Lan card works on the Data Link layer of the OSI model.

• Lan card operates at Layer 2 of the OSI model, which is the Data Link layer.

• It is responsible for the physical addressing of devices on the network.

• Examples of Lan cards include Ethernet cards and wireless network adapters.

BGP community is a way to group BGP routes and apply policies to them based on common attributes.

• BGP community is a 32-bit numerical value attached to BGP routes.

• It can be used to group routes based on common attributes such as geographic location, customer type, or service level.

• Network operators can use BGP communities to apply routing policies, such as controlling route propagation or setting local preference.

• Commun...read more

IP stands for Internet Protocol, a set of rules governing the format of data sent over the internet.

• IP is responsible for routing data packets between devices on a network.

• It assigns a unique address to each device on the network, known as an IP address.

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

• IPv4 addresses are 32-bit numbers, while IPv6 addresses are 128-bit numbers.

• IP is a layer 3 protocol in the OSI...read more