Amdocs Cyber Security Consultant Interview Questions and Answers

Q1. Pipes and cistern
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Q2. Time and work
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Time and work, distance speed and time,pipes and cistern, blood relation

Q1. Explain osi model in detail.
Ans. 
The OSI model is a conceptual framework that defines the functions of a network into seven distinct layers.
• The OSI model stands for Open Systems Interconnection model.

• It was developed by the International Organization for Standardization (ISO) in 1984.

• The model is divided into seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has its own specific functions and prot...read more
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Q2. Tell me your responsibalities in your current role.
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Q1. What is vcn in cloud
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VCN stands for Virtual Cloud Network, which is a customizable and private network in the cloud.
• VCN allows you to define your own IP address range, subnets, route tables, and gateways.

• It provides isolation and security for your cloud resources.

• You can connect multiple VCNs together or to your on-premises network using VPN or dedicated connections.
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Q2. Public cloud concept
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Q1. How we can rectify the pc which is generate broadcast
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To rectify a PC generating broadcast, check for misconfigured network settings, update network drivers, disable unnecessary services, and monitor network traffic.
• Check for misconfigured network settings such as incorrect IP address or subnet mask

• Update network drivers to ensure compatibility and stability

• Disable unnecessary services or applications that may be causing excessive network traffic

• Monitor network traffic us...read more
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Q2. What are type of network cable
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Types of network cables include Ethernet, coaxial, fiber optic, and twisted pair cables.
• Ethernet cables are commonly used for wired networks and come in categories like Cat5, Cat6, and Cat7.

• Coaxial cables are often used for cable television and internet connections.

• Fiber optic cables use light to transmit data and are known for their high speed and reliability.

• Twisted pair cables, such as Cat5e and Cat6, are commonly u...read more
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Q3. What is stacking why we need
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Stacking is a method of connecting multiple network switches to increase performance, redundancy, and manageability.
• Stacking allows multiple switches to be managed as a single entity

• It provides increased bandwidth and redundancy by combining the capabilities of multiple switches

• Stacking simplifies network management tasks by allowing configuration changes to be applied to all switches in the stack at once
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An aptitude test is a measure of your ability to learn or perform required tasks and succeed in the environment you're in.

Q1. Why did you decide to apply to this role?
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Q1. What is the different between firewall and gateway
Ans. 
Firewall is a security system that monitors and controls incoming and outgoing network traffic, while a gateway is a node that connects two different networks.
• Firewall is a security system that filters network traffic based on predetermined security rules.

• Gateway is a node that acts as an entry and exit point for data between two networks.

• Firewall can be a software program or a hardware device, while gateway is typical...read more
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Q2. How to mitigate DOS and DDOS attack
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To mitigate DOS and DDOS attacks, implement network security measures such as firewalls, intrusion detection systems, and rate limiting.
• Implement firewalls to filter out malicious traffic

• Use intrusion detection systems to detect and block suspicious activity

• Implement rate limiting to prevent overwhelming the network with excessive requests
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Q1. What is kerberos protocol?
Ans. 
Kerberos protocol is a network authentication protocol that allows individuals communicating over a non-secure network to prove their identity to one another in a secure manner.
• Developed by MIT in the 1980s

• Uses symmetric key cryptography

• Involves a Key Distribution Center (KDC)

• Prevents eavesdropping and replay attacks
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Q2. Explain three way hand-shake
Ans. 
Three-way handshake is a method used in TCP/IP network to establish a connection between a client and a server.
• Client sends a SYN (synchronize) packet to the server to initiate a connection

• Server responds with a SYN-ACK (synchronize-acknowledgment) packet to acknowledge the request

• Client sends an ACK (acknowledgment) packet back to the server to confirm the connection
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Q1. How TLS work ?
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TLS (Transport Layer Security) is a protocol that ensures privacy and data integrity between communicating applications.
• TLS encrypts data to ensure confidentiality during transmission.

• It uses cryptographic algorithms to authenticate the parties involved in the communication.

• TLS also provides mechanisms for data integrity to prevent tampering.

• Handshake process involves negotiation of encryption algorithms and exchange o...read more
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Q2. TLS algorithms ?
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Q1. Read back dictation on screen
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The question requires the candidate to read back a dictated text on the screen.
• The candidate should listen carefully to the dictated text.

• The candidate should then read back the text accurately.

• The candidate should ensure that they have understood the text before reading it back.

• Examples: 'Please read back the following sentence: The quick brown fox jumps over the lazy dog.'

• Examples: 'Please read back the following par...read more
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Q1. What is OSPF, BGP, networking
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OSPF and BGP are routing protocols used in networking to determine the best path for data to travel.
• OSPF (Open Shortest Path First) is an interior gateway protocol used to route IP packets within a single network.

• BGP (Border Gateway Protocol) is an exterior gateway protocol used to route data between different networks.

• Networking refers to the practice of connecting devices together to share resources and communicate w...read more
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