Types of Encryption Algorithms
... and software • Know the vulnerabilities of the configuration • Know the threats and consider it in relation to the vulnerabilities to asses the risk • Authenticate and authorize the accessto network ...
... and software • Know the vulnerabilities of the configuration • Know the threats and consider it in relation to the vulnerabilities to asses the risk • Authenticate and authorize the accessto network ...
pdf
... stored on the removable volume) After mount, virtually no distinction between files on permanent media or removable media ...
... stored on the removable volume) After mount, virtually no distinction between files on permanent media or removable media ...
Centralized computing
... which CPU switches jobs so frequently that users can interact with each job while it is running, creating interactive computing Response time should be < 1 second Each user has at least one program executing in memory process If several jobs ready to run at the same time CPU scheduling If ...
... which CPU switches jobs so frequently that users can interact with each job while it is running, creating interactive computing Response time should be < 1 second Each user has at least one program executing in memory process If several jobs ready to run at the same time CPU scheduling If ...
Access Control Policies
... not able to decide which other entities they want to allow to access resources, the system rules apply the system denies users full control over access to the resources they create ...
... not able to decide which other entities they want to allow to access resources, the system rules apply the system denies users full control over access to the resources they create ...
Operating System Overview
... • Kernel (a.k.a. supervisory or privileged) level • All instructions are available • Total control possible so OS must say “Mine, all mine” (Daffy Duck) ...
... • Kernel (a.k.a. supervisory or privileged) level • All instructions are available • Total control possible so OS must say “Mine, all mine” (Daffy Duck) ...
Microsoft & Linux What Is an Operating System?
... computers along with a common printer server and file server for archival storage, all tied together by a local network. Generally speaking, such a system will have most of the following characteristics that distinguish it from a distributed system: • Each computer has its own private operating syst ...
... computers along with a common printer server and file server for archival storage, all tied together by a local network. Generally speaking, such a system will have most of the following characteristics that distinguish it from a distributed system: • Each computer has its own private operating syst ...
02_OperatingSystemOverview
... – When control was passed to a user – User program and data loaded – Clock generates interrupts about every 0.2 sec – At each interrupt OS gained control and could assign processor to another user ...
... – When control was passed to a user – User program and data loaded – Clock generates interrupts about every 0.2 sec – At each interrupt OS gained control and could assign processor to another user ...
Operating Systems CS208
... Network Operating System provides file sharing provides communication scheme runs independently from other computers on the network Distributed Operating System less autonomy between computers gives the impression there is a single operating system controlling the network. ...
... Network Operating System provides file sharing provides communication scheme runs independently from other computers on the network Distributed Operating System less autonomy between computers gives the impression there is a single operating system controlling the network. ...
Introduction
... • Processes – Each process is uniquely identified with a process id – The O/S will in most cases store information in a process table – The process id is used to locate this information. – A process can cause other processes to be created – Unix for example implements processes as a hierarchy • Proc ...
... • Processes – Each process is uniquely identified with a process id – The O/S will in most cases store information in a process table – The process id is used to locate this information. – A process can cause other processes to be created – Unix for example implements processes as a hierarchy • Proc ...
Two Types of Software: System Software: Operating Systems
... believe that there are several things happening at once. In order to give the appearance of lots of things happening at the same time, the operating system has to switch between different processes thousands of times a second. Trouble can come if the user tries to have too many processes functioning ...
... believe that there are several things happening at once. In order to give the appearance of lots of things happening at the same time, the operating system has to switch between different processes thousands of times a second. Trouble can come if the user tries to have too many processes functioning ...
Linux Concepts and key ideas
... A distribution is sometimes also called a ‘boxed version’. Since Linux itself is free, what you buy is the CD, the collected set of packages, printed documentation and usually some type of support (a phone number to call to help with installation, for example). You can buy a boxed version of Linux f ...
... A distribution is sometimes also called a ‘boxed version’. Since Linux itself is free, what you buy is the CD, the collected set of packages, printed documentation and usually some type of support (a phone number to call to help with installation, for example). You can buy a boxed version of Linux f ...
CH09-CompSec2e - MCST-CS
... runs secure O/S, only essential services may require user authentication to access proxy or host each proxy can restrict features, hosts accessed each proxy is small, simple, checked for security each proxy is independent, non-privileged limited disk use, hence read-only code ...
... runs secure O/S, only essential services may require user authentication to access proxy or host each proxy can restrict features, hosts accessed each proxy is small, simple, checked for security each proxy is independent, non-privileged limited disk use, hence read-only code ...
The Operating System
... Coordinates all software activity within a computer system: The master control program that runs the computer. The first program loaded when the computer is turned on, its main part, the "kernel," resides in memory at all times. The operating system sets the standards for all application programs th ...
... Coordinates all software activity within a computer system: The master control program that runs the computer. The first program loaded when the computer is turned on, its main part, the "kernel," resides in memory at all times. The operating system sets the standards for all application programs th ...
Self-Managing Techniques for Shared Server Resources
... Shells, Tools and Utilities Processes, File System, Virtual Memory, Threads, ...
... Shells, Tools and Utilities Processes, File System, Virtual Memory, Threads, ...
PPT - CS
... • In distributed systems, services are rendered in response to incoming messages. • It is important that the server know for sure who the client is! • The simple solution is to send the user name and password with every request ...
... • In distributed systems, services are rendered in response to incoming messages. • It is important that the server know for sure who the client is! • The simple solution is to send the user name and password with every request ...
Summary and Review
... – Middleware definition and examples of services that could be implemented as middleware. – Examples: “what is fault tolerance, how is it managed in”, “define
transparency and discuss techniques that might be
used to achieve it”, …
...
... – Middleware definition and examples of services that could be implemented as middleware. – Examples: “what is fault tolerance, how is it managed in
set 2 - of Manish Mehta
... • TCP/IP is the most common protocol targeted by commercial IDS. • Different technologies can resolve different levels of protocols through the application layer. ...
... • TCP/IP is the most common protocol targeted by commercial IDS. • Different technologies can resolve different levels of protocols through the application layer. ...
Operating System
... • CPU is multiplexed among several processes that are kept in memory (the CPU is allocated to a process only if the process is in memory). – A process is swapped in and out of memory to the disk as needed. • OS must manage process scheduling and provide memory protection to keep one program from cra ...
... • CPU is multiplexed among several processes that are kept in memory (the CPU is allocated to a process only if the process is in memory). – A process is swapped in and out of memory to the disk as needed. • OS must manage process scheduling and provide memory protection to keep one program from cra ...
SO 2.4.4 - Broadband for all
... Anywhere, Anytime" supported by all system levels from access methods and networks to service platforms and services – a consolidated approach to serving mobile users with enablers for applications and services. – a consolidated European approach to technology, systems and services, notably for stan ...
... Anywhere, Anytime" supported by all system levels from access methods and networks to service platforms and services – a consolidated approach to serving mobile users with enablers for applications and services. – a consolidated European approach to technology, systems and services, notably for stan ...
Memory
... “An access control concept that refers to an abstract machine that mediates all access to objects by subjects.” • Must be tamper proof/resistant • Must always be invoked when access to object required ...
... “An access control concept that refers to an abstract machine that mediates all access to objects by subjects.” • Must be tamper proof/resistant • Must always be invoked when access to object required ...
secure operating system
... A secure operating system provides security mechanisms that ensure that the system's security goals are enforced despite the threats faced by the system. Systems that provide a high degree of assurance in enforcement have been called secure systems, or even more frequently “trusted” Systems. However ...
... A secure operating system provides security mechanisms that ensure that the system's security goals are enforced despite the threats faced by the system. Systems that provide a high degree of assurance in enforcement have been called secure systems, or even more frequently “trusted” Systems. However ...
Computers: Tools for an Information Age
... time-sharing Explain the principles of memory management List several functions that are typically performed by utility programs Copyright © 2003 by Prentice Hall ...
... time-sharing Explain the principles of memory management List several functions that are typically performed by utility programs Copyright © 2003 by Prentice Hall ...
Chapter03 - Home - KSU Faculty Member websites
... time-sharing Explain the principles of memory management List several functions that are typically performed by utility programs Copyright © 2003 by Prentice Hall ...
... time-sharing Explain the principles of memory management List several functions that are typically performed by utility programs Copyright © 2003 by Prentice Hall ...
No Slide Title
... •There are two types of disks that are available in Windows 2000 and XP, basic disks and dynamic disks. •Basic Disk storage is typically referred to as the industry standard and is identified by a hard drive that is divided into partitions. •When using Dynamic Disk Storage, multidisk volumes are ref ...
... •There are two types of disks that are available in Windows 2000 and XP, basic disks and dynamic disks. •Basic Disk storage is typically referred to as the industry standard and is identified by a hard drive that is divided into partitions. •When using Dynamic Disk Storage, multidisk volumes are ref ...