Information security is crucial in today's digital world. It is challenging for individuals and businesses to safeguard essential digital information, so a Security Engineer is called in to help overcome these obstacles. A Security Engineer plans, designs, builds and integrates tools and systems used to safeguard our digital systems and information.
Many companies and organizations are looking for security specialists through job advertisements, and Security Engineer is one of the most unique and in-demand job profiles. So, if you're a candidate looking for a job as a Security Engineer, use these Security Engineer interview questions to help you prepare.
Interview Questions
1. What do you understand by unicast, multicast, and
broadcast?
Unicast, Multicast, and Broadcast are the three ways used to send data across a network.
|
Unicast |
Multicast |
Broadcast |
|
It transmits data from a single user
to a single recipient. |
Data is sent to multiple destinations
from one or more sources. |
Broadcast is known as one-to-all |
2. Define DNS.
DNS is an abbreviation for Domain Name System. Domain names such as nytimes.com and espn.com allow people to access information online. Internet Protocol (IP) addresses are used to communicate between web browsers. DNS converts the domain name into the corresponding IP address and fetches the information.
3. What do you mean by VPN?
VPN, or Virtual Private Network, connects a VPN server and a VPN client. It provides the ability to connect to a secure network when using public networks. VPNs secure your online activity and protect your real identity. This makes it more difficult for third parties to follow your internet activities and steal information. The encryption happens in real-time.
4. What are the various sources of malware?
- Malware comes from various sources, including
- Pop-ups
- Email attachments
- Internet downloads
- Malicious advertisements
- Network connections
- Documents and executable files
5. What exactly is use-case testing?
In testing, a Use Case is a synopsis of the specific use of a software system by an operator or client. Use cases are created based on user activities and the software application's response to those actions. It is commonly used in the development of system or validation test scenarios.
6. What are the different sniffing tools?
Following are the different types of sniffing tools:
- Wireshark
- TCPDUMP
- MSN Sniffer
- Ettercap
- Dsniff
- EtherApe
7. Explain SQL Injection.
An SQL injection bug allows attackers to introduce malicious data into an SQL statement. The attackers can browse, change, and destroy records in a database.
8. Define spoofing.
Spoofing occurs when an attacker tries to fool another individual or organization and sends you an email that appears to be authentic. The email appears genuine, and it is difficult to detect a fake.
9. What do you understand by honeypots?
Honeypots are computer systems designed to tempt hackers. It's used to fool attackers and protect the genuine network from damage.
10. What exactly is a block cypher?
The process of encrypting the plain message block by block is known as a block cypher. The basic information is divided into fixed-size units before being encrypted.
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