CCNA Interview Questions and Answers

CCNA Interview Questions and Answers

CCNA (Cisco Certified Network Associate) is a certification in computer networking developed by Cisco systems. The CCNA program began is 1998 with one core certification focused on network routing and switching, obtainable by passing a single 1 hr 15 minutes written exam. Since then, Cisco expanded the program to cover many other facets of computer networking and network administration, offering certifications at five increasingly demanding levels: Entry level, Associate level, Professional level, Expert level, and Architect level. Cisco created the CCNA to recognize basic competency in installation and support of medium-sized networks. The CCNA certification is the second level of Cisco five level career certification processes.

What is CCNA?

What are the types of Cisco Career certifications?

What topics are covered CCNA certifications EXAM?

What is a Network?

What is a Protocol?

What is Network Switch?

What is Routing?

At which layer HUB works?

What is routing on a network?

What is Route Poisoning?

What is a Network Protocol?

What is Network Topology?

What is VLAN?

What is Native VLAN?

What is VTP?

What is latency?

What is Data Link?

What is a POE?

What is BootP?

What is MTU?

What is 100BaseFX?

What is NAS?

What are packets?

What is default gateway?

What is ISATAP?

What is a Frame Relay?

What is HSRP?

What are segments?

What is Subnetting?

What is SNAP?

What is the need for ISC2 code of conduct?

What is DLCI?

Can you explain using switches?

What is RAID?

When does network congestion occur?

What is HDLC?

What is Bandwidth?

What are the two protocols used in EtherChannel?

What is a phishing attack?

Can explain valid hosts in a subnet?

Can you explain different IPX access lists?

What is RIP?

What is a Window in networking terms?

Explain, which LAN switching method is used in CISCO Catalyst 5000?

What are the different memories used in a CISCO router?

What are the pros of VLANs?

Can you explain LLC sub layer?

What is the use of Application Layer in networking?

Can you explain how a warm site is different from a hot site?

What is difference between full-duplex from half-duplex.

What are the pros of LAN switching?

What are the differences User Mode from Privileged Mode?

What is APIPA?

How does RIP differ from IGRP?

Explain show protocol display?

How does cut-through LAN switching work?

How do you configure a Cisco router to route IPX?

Why is UDP lease favored when compared to TCP?

Can you explain some standards supported by the Presentation layer?

What is EUI in IPv6?

Can you explain simple way to remotely configure a router?

What are Administrative distances of DC, SR, Internal EIGRP, OSPF, RIP, External EIGRP, and Unknown?

Which port does RIP use of TCP?

What is global unicast address in IPv6?

Could you explain how do you depict an IP address?

What is the subnet mask of the following IP addresses- 10.0.0.1, 160.1.1.1 and 200.2..2.2?

What is range of the CLASS A and default subnet mask of Class A?

What is the range of CLASS B and default subnet mask of Class B?

What is the range of the Class C and default subnet mask of Class C?

What is the range of the Class D and default subnet mask of Class D?

What is the range of the Class E and default subnet mask of Class E?

Could you explain how do you go to privileged mode? How do you switch back to user mode?

Could you explain how internet works created?

Can you explain Hold-downs work?

Can you explain Syslog?

What are the pros of a layered model in the networking industry?

Can you explain OSPF?

Explain the multicast addresses used in IPv4 and IPv6 by different protocols?

How many hosts are in Class A?

What is the difference between public IP and private IP?

What does AAA stands for?

Which IP addresses can be given as private addresses?

Which class IP addresses 20.224.0.0.10?

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