2018 - Cyber security & Technology

2018 - Cyber security & Technology

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File management in an operating system, and what is the file concept? FIle naming and file attributes.
what is dispatcher? three functions of it and scheduling criteria and its algorithms.?
Preemptive and non preemptive scheduling .. Comparison between both
what is CPU scheduling? definition and types of schedulars.
Multithreading models and its types, comparison between process and thread.
what are threads and processes? types of threads and advantages and disadvantages.
what are threads? what is multithreading? definition with examples and advantages of multithreading.
What are operating system services? Get know more about Operating system.
Operating system as a Resourse Manager.
what is an Operation system and operating system as an extented machine.
What is DIffie Hellman Algorithm ?? Definition with example. Encryption and decryption.
what are data encryption methods or traditional ciphers? substitution ciphers, Transposition ciphers , Monoalphabetic cipher, shift cipher and polyalbhabetic cipher
Advantages and disadvantages of e-mail?
what is MIME? multipurpose internet mail extensions. how is works?
What is Simple Mail Transfer Protocol? what is SMTP?SMTP commands, SMTP responses and mail transfer phases.
what is email adddress? what is user @ domain name? what is the format of a mail?
Services Provided by e-mail system, components of the e-mail system..
What is DNS (Domain name server or system)? working of DNS, types of domain names?
Routing algorithms , types of routing algorithms, Optimality Principle ?
What are peer to peer networks, client server networks, hybrid networks and what are the basis relationship of network classification with advantages and disadvantages?
What is IPv4 and its addressing? Subnet mask ? supernetting ? classless addressing? IP address format?
IPv6 , define IPv6 , what is IPv6 ? , structure of IPv6 and packet format.
What is POP3 ? Post office protocol
What is message integrity? How it works and comes in use?
What is digital signature? how it works?

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Tuesday, August 21, 2018

File management in an operating system, and what is the file concept? FIle naming and file attributes.

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File management in an operating system, and what is the file concept? FIle naming and file attributes.

Unknown August 21, 2018 0 Comments

FILE MANAGEMENT · File management is the process of storing, controlling and managing data stored on disks or secondary s...

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Labels: cyber security, file attributes, file concept, file management, file naming, information security, linux, OS, unix, windows

Friday, August 17, 2018

what is dispatcher? three functions of it and scheduling criteria and its algorithms.?

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what is dispatcher? three functions of it and scheduling criteria and its algorithms.?

Manveer Singh August 17, 2018 0 Comments

DISPATCHER · It is a component of operating system involved in CPU scheduling. · Dispatcher is a program responsib...

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Labels: algorithm, dispatcher, linux, operating system, OS, scheduling criteria, unix, windows

Wednesday, August 15, 2018

Preemptive and non preemptive scheduling .. Comparison between both

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Preemptive and non preemptive scheduling .. Comparison between both

Manveer Singh August 15, 2018 0 Comments

PREEMPTIVE & NON-PREEMPTIVE SCHEDULING A scheduling algorithm can be preemptive or non-preemptive. Non-preemptive scheduling ·...

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Labels: cyber security, information security, non preemptive, preemptive, scheduling, windows

Monday, August 13, 2018

what is CPU scheduling? definition and types of schedulars.

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what is CPU scheduling? definition and types of schedulars.

Manveer Singh August 13, 2018 0 Comments

CPU SCHEDULING DEFINITION · Scheduling is a fundamental operating system function. · Scheduling refers to set of po...

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Labels: cpu scheduling, cyber security, information security, long term schedular, medium term schedular, operating system, OS, schedular, short term schedular, windows

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File management in an operating system, and what is the file concept? FIle naming and file attributes.

FILE MANAGEMENT · File management is the process of storing, controlling and managing data stored on disks or secondary s...

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What is DATA COMMUNICATION? How data communicates or transfers?

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Port scanning

PORT SCANNING Concept: In a computer system there are 65535 ports which are used for data packets,information receiving and sending ...
what are threads and processes? types of threads and advantages and disadvantages.

Threads and Processes An idea of how threads and processes can be related to each other is depicted in fig. There are several similariti...
Routing algorithms , types of routing algorithms, Optimality Principle ?

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