UST Engineer - Network Operations Interview Questions and Answers

Q1. Roles & responsibilities in WAF
Ans. 
A Web Application Firewall (WAF) is a security solution that monitors and filters HTTP traffic between a web application and the Internet.
• Monitoring and filtering HTTP traffic to protect against common web application attacks such as SQL injection, cross-site scripting (XSS), and cross-site request forgery (CSRF)

• Configuring and maintaining rules to block malicious traffic while allowing legitimate traffic to pass throu...read more
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Q1. Compatibility with the job role and current experience
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I have extensive experience in network security and have successfully implemented various security measures in my previous roles.
• I have a strong background in network security protocols and technologies

• I have experience in implementing firewalls, intrusion detection systems, and VPNs

• I have successfully managed security incidents and conducted security audits

• I have a track record of staying up-to-date with the latest se
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Q1. Will be able to do rotational shifts
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Q1. What is DNS please explain
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DNS stands for Domain Name System, which translates domain names to IP addresses.
• DNS is like a phone book for the internet, translating human-readable domain names (like google.com) to IP addresses (like 172.217.3.206).

• It helps users access websites by typing in easy-to-remember domain names instead of complex IP addresses.

• DNS servers store records of domain names and their corresponding IP addresses, allowing for effi...read more
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Q2. What is DHCP please explain
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DHCP stands for Dynamic Host Configuration Protocol, used to automatically assign IP addresses to devices on a network.
• DHCP eliminates the need for manual IP address configuration on each device

• It assigns IP addresses dynamically, allowing for efficient use of available addresses

• DHCP servers lease IP addresses to devices for a specific period of time

• DHCP also provides other network configuration information, such as su...read more
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Q1. What are plans, mpls architecture, bgp
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MPLS architecture is a network protocol that directs data packets along predetermined paths through a network. BGP is a routing protocol used to exchange routing information between different networks.
• MPLS (Multiprotocol Label Switching) is a protocol used to speed up and shape traffic flows across high-performance networks.

• MPLS architecture involves routers using labels to make forwarding decisions, improving network ...read more
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Q1. DHCP working principles
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DHCP assigns IP addresses to devices on a network automatically
• DHCP server assigns IP addresses to devices on the network

• DHCP clients request IP addresses from the DHCP server

• DHCP uses a lease mechanism to manage IP address assignments

• DHCP reduces the administrative burden of manually assigning IP addresses
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Q2. DNS working principles
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DNS is a system that translates domain names to IP addresses to locate resources on the internet.
• DNS resolves domain names to IP addresses

• DNS operates through a distributed database system

• DNS uses hierarchical structure with top-level domains like .com, .org, etc.

• DNS queries are resolved through recursive and iterative processes
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Q3. Scenario based question DHCP
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Q4. Spanning tree protocol
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Q1. Question related to retention
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Q2. Question related to aspirations
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I did assignment before interview about the company to do interview

Q1. Hr she/he they very interested because HR reviewed my cv and see am qualified
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Q2. HR ask me a several questions about my experience about my my qualifications And skills about my work
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Q3. Hard ask me distance where I'm stay How much expected salary And benefits do like to cover me
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Q4. House allowance is cover as a work or no house allowance
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Coding test contains 2 questions