Anju Software Senior Network Engineer Interview Questions, Process, and Tips

TCP/IP protocol suites are a set of communication protocols used for connecting network devices.

• TCP/IP is a suite of protocols that includes TCP, IP, UDP, ICMP, ARP, and others.

• TCP is responsible for establishing a reliable connection between two devices.

• IP is responsible for routing data packets between devices.

• UDP is a connectionless protocol used for sending small amounts of data.

• ICMP is used for error reporting and...read more

NAT is used to translate private IP addresses to public IP addresses. PAT is a type of NAT that uses port numbers. Static routing uses manually configured routes. Dynamic routing uses protocols to automatically update routing tables.

• NAT translates private IP addresses to public IP addresses

• PAT is a type of NAT that uses port numbers to map multiple private IP addresses to a single public IP address

• Static routing uses m...read more

SNMP is a protocol used for network management and monitoring.

• SNMP allows network devices to be monitored and managed remotely

• It uses a manager-agent model where the manager sends requests to agents for information

• SNMP is used for monitoring network performance, identifying and resolving issues, and collecting data for analysis

• Examples of SNMP use cases include monitoring bandwidth usage, tracking device availability,

VLAN is a logical grouping of devices on a network, based on function, department, or application.

• VLANs improve network security and performance by separating traffic.

• Types of VLAN include default VLAN, data VLAN, voice VLAN, management VLAN, and guest VLAN.

• Default VLAN is VLAN 1 and is used for all untagged traffic.

• Data VLAN is used for user data traffic.

• Voice VLAN is used for VoIP traffic.

• Management VLAN is used for ...read more

STP stands for Spanning Tree Protocol. It is used to prevent loops in a network and ensure redundancy.

• STP is a layer 2 protocol used in Ethernet networks

• It prevents loops by blocking redundant paths

• It selects a root bridge and calculates the shortest path to it

• It can be configured with different priorities and timers

• Examples of STP variants include RSTP and MSTP