Junior Network Administrator

Junior Network Administrator Interview Questions and Answers

Updated 12 Oct 2024

Q1. What is DSCP in networking

Ans.

DSCP stands for Differentiated Services Code Point, a field in the IP header used for quality of service (QoS) in networking.

  • DSCP is used to prioritize network traffic based on different levels of service.

  • It is a 6-bit value in the IP header that determines the class of service for a packet.

  • Higher DSCP values indicate higher priority for the packet.

  • Examples of DSCP values include EF (Expedited Forwarding) for real-time traffic like VoIP and CS1 (Class Selector 1) for best-eff...read more

Q2. What is use if firewall

Ans.

Firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

  • Firewalls can prevent unauthorized access to a network or computer system

  • They can block malicious traffic from entering the network

  • Firewalls can be hardware-based or software-based

  • Examples of firewalls include Cisco ASA, Palo Alto Networks, and Windows Firewall

Junior Network Administrator Jobs

Junior Network Administrator 5-10 years
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Junior Network Administrator 5-10 years
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