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What are the most asked and important interview qu
What are the most asked and important interview qu
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ishaD
3 posts
Apr 05, 2024
8:22 AM
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Interview questions in networking, especially for CCNA (Cisco Certified Network Associate) and CCNP (Cisco Certified Network Professional) positions, often cover a range of topics to assess candidates' knowledge and expertise in networking concepts and Cisco technologies. Here are some commonly asked and important interview questions for both CCNA and CCNP levels:
CCNA Interview Questions:
What is a VLAN, and how does it work?
Explain the difference between a router and a switch.
What is a subnet mask, and how does it relate to IP addressing?
Describe the purpose and function of the OSI model.
What is the difference between TCP and UDP?
How do you troubleshoot network connectivity issues?
What is NAT (Network Address Translation), and why is it used?
What are the advantages of using DHCP (Dynamic Host Configuration Protocol)?
Explain the role of ARP (Address Resolution Protocol) in networking.
What is a default gateway, and why is it important?
CCNP Interview Questions:
What is the purpose of HSRP (Hot Standby Router Protocol), and how does it work?
Explain the concept of VLAN trunking and how it differs from access ports.
What are the benefits of using OSPF (Open Shortest Path First) routing protocol?
Describe the differences between OSPF and EIGRP (Enhanced Interior Gateway Routing Protocol).
How does BGP (Border Gateway Protocol) differ from interior routing protocols like OSPF and EIGRP?
What is VTP (VLAN Trunking Protocol), and how is it used in Cisco networking?
Explain the purpose and function of ACLs (Access Control Lists) in network security.
What are some common methods for securing wireless networks?
How do you troubleshoot network performance issues in a complex environment?
Describe the benefits and challenges of implementing IPv6 in an existing network.
These questions cover a range of topics, including networking fundamentals, routing and switching protocols, network security, and troubleshooting. Candidates preparing for CCNA and CCNP interviews should ensure they have a solid understanding of these concepts and be able to articulate their knowledge effectively during the interview process. Additionally, staying updated with the latest industry trends and advancements in networking technologies is essential for success in interviews and in the field.
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