CCNA 500+ Interview Questions & Answers

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CCNA 500+ Interview Questions & Answers

Download CCNA 500+ Interview Questions with Answers, Complete Cisco Certified Network Associate Interview guide by Global Network King. Preparing for a CCNA interview can be a daunting task, given the technical depth and complexity of networking concepts.

To help you ace your CCNA interview, we are providing a list of over 500+  commonly asked questions and detailed answers. These questions cover a wide range of CCNA topics, including network fundamentals, routing and switching, security, and more.

CCNA 500+ Interview Questions & Answers

1. Define Network?
Network in general terms means a group of devices, connected with the help of some media in order to share some resources from a source to a destination and networking is a process of sharing the resources.

2. Differentiate User Mode from Privileged Mode.
Commands applied on user mode cannot effect the router while some commands of privilege mode can change the configurations. In user mode, no configuration can be made. We can only check the reachability and some basic commands in that mode. While in Privilege mode we can save, delete and modify the configuration files.

3. What is a Link?
Link is a physical or a logical component of a network to interconnect nodes or devices.

4. What is Bandwidth?
Ans – Bandwidth is the capacity of a wired or wireless network communications link to transmit the maximum amount of data from one point to another over a computer network or internet connection in a given amount of time — usually one second.

5. What is the difference between broadcast domain and collision domain ?
Broadcast domain is a domain where if a broadcast frame is forwarded, every devices pays attention and receives the data. While in Collision domain, chances of data collision is maximum. Like in Hub , if two or more send traffic at the same time, data will collide in between and none of the devices will receive the data.

6. Explain Flooding?
Ans- In a network, flooding is the forwarding by a router of a packet from any node to every other node attached to the router except the node from which the packet arrived. Flooding is a way to distribute routing information updates quickly to every node in a large network.

7. What is Telnet?
A network protocol that allows a user on one computer to log onto another computer .it uses TCP Port number 23

8. What is Sub Interface?
A sub interface is a virtual interface created by dividing one physical interface into multiple logical interfaces. A sub-interface in a Cisco Router uses the parent physical interface for sending and receiving data.

9. What is BootP?
Ans – The Bootstrap Protocol (BOOTP) is a computer networking protocol used in Internet Protocol networks to automatically assign an IP address to network devices from a configuration server.

10. What is a Window in networking terms?
Ans – A Window refers to the number of segments that is allowed to be sent from source to destination before an acknowledgement is sent back.

11. What is a node?
Node is a connection point on network for data transmission. It can be a computer or printer or any type of device that is capable of sending and receiving the data over the network.

12. What is a gateway?
Gateway is a node of a network which can be used as an entrance for other network. It is a piece of hardware and different from default gateway.

13. What is WAN?
Ans – A wide area network (WAN) is a network that exists over a large-scale geographical area. A WAN connects different smaller networks, including local area networks (LANs) and metro area networks (MANs). This ensures that computers and users in one location can communicate with computers and users in other locations.

14. How does cut-through LAN switching work?
In Cut-Through LAN switching, as soon as the router receives the data frame, it will immediately send it out again and forward it to the next network segment after reading the destination address.

15. What is point-point link?
A connection between two nodes of the network is referred as point to point network and that link which connects both nodes is point to point link. Point-to-point protocol is widely used for the heavier and faster connections necessary for broadband communications.

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