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Top 100+ Firewall (computing) Interview Questions And Answers - May 30, 2020

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Top 100+ Firewall (computing) Interview Questions And Answers

Question 1. Explain What Is Firewall?

Answer :

A firewall is part of a computer device or network that is designed to block unauthorized get entry to whilst permitting authorized communications. It is a device or set of gadgets that's configured to permit or deny laptop applications based totally upon a fixed of regulations and different standards.

Firewalls can be implemented in either hardware or software program, or a aggregate of both.

Question 2. Explain In Windows 2003 Built In Fire Wall Is There Or Not?

Answer :

In home windows 2003 server, built in firewall is present.

Network Security Interview Questions
Question three. Explain What Is Firewall? How To Enable Firewall In Windows Xp?

Answer :

To allow firewall in Window...Start - Control panel - Security center -Turn On the Firewall Button and enable it.

Question four. Explain What Is Application-layer Firewall?

Answer :

A firewall device wherein provider is furnished with the aid of strategies that preserve entire TCP connection state and sequencing. Application layer firewalls frequently re-address traffic so that outgoing visitors seems to have originated from the firewall, in place of the internal host.

Network Security Tutorial
Question five. Explain What Is Authorization?

Answer :

The manner of determining what forms of sports are permitted. Usually, authorization is inside the context of authentication: as soon as you've got authenticated a consumer, they'll be legal one-of-a-kind types of get right of entry to or interest.

Internet Security Interview Questions
Question 6. What Is Screening Router?

Answer :

A router configured to allow or deny site visitors primarily based on a hard and fast of permission regulations established via the administrator.

Question 7. What Is Proxy?

Answer :

A software agent that acts on behalf of a consumer. Typical proxies take delivery of a connection from a user, make a decision as to whether or now not the person or purchaser IP address is permitted to apply the proxy, possibly does extra authentication, and then completes a connection on behalf of the user to a faraway destination.

Internet Security Tutorial Computer Network Security Interview Questions
Question eight. What Is Logging?

Answer :

The manner of storing data approximately occasions that passed off on the firewall or network.

Question nine. Explain How The The Two Servers Can Communicate When The Firewall Is There In Between?

Answer :

Depend on firewall configuration, all most authorize port nb eighty, so we can communicate over Http protocol.

Firewall Support Interview Questions
Question 10. What Is Host-based Security?

Answer :

The method of securing an character machine from attack. Host based totally security is working system and model based.

Question eleven. What Is Insider Attack?

Answer :

An assault originating from internal a included community.

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Question 12. What Is Network-layer Firewall?

Answer :

A firewall in which visitors is examined on the community protocol packet layer.

Network Security Interview Questions
Question 13. What Is Access Router?

Answer :

A router that connects your community to the external Internet. Typically, that is your first line of defense in opposition to attackers from the outside Internet. By allowing get admission to manipulate lists on this router, you will be capable of provide a level of safety for all of the hosts `in the back of' that router, successfully making that network a DMZ rather than an unprotected external LAN.

Question 14. What Is Access Control Lists?

Answer :

Rules for packet filters (normally routers) that define which packets to bypass and which to block.

Question 15. What Is Challenge/response?

Answer :

An authentication approach whereby a server sends an unpredictable venture to the user, who computes a response the usage of a few form of authentication token.

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Question 16. What Is Worm?

Answer :

A standalone application that, when run, copies itself from one host to another, and then runs itself on every newly inflamed host. The extensively stated 'Internet Virus' of 1988 was now not a virus in any respect, however virtually a bug.

Question 17. Explain Abuse Of Privilege?

Answer :

When a user plays an motion that they need to not have, in step with organizational coverage or law.

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Question 18. Explain The Difference Between Gateway And Firewall?

Answer :

A community gateway joins  networks together via a mixture of hardware and software.A network firewall guards a laptop network in opposition to unauthorized incoming or outgoing get entry to. Network firewalls may be hardware gadgets or software program packages.

Internet Security Interview Questions
Question 19. What Is Authentication Token?

Answer :

A transportable device used for authenticating a consumer. Authentication tokens function by venture/reaction, time-based code sequences, or different techniques. This might also consist of paper-based totally lists of 1-time passwords.

Question 20. What Is Tunneling Router?

Answer :

A router or machine capable of routing traffic by encrypting it and encapsulating it for transmission throughout an untrusted community, for eventual de-encapsulation and decryption.

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