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Operating System » Security

Operating System Subcategories

Application Io Interface 1	Application Io Interface 2
Atomic Transactions	Basics
Classic Sync Problems	Communication Systems Bandwidth Transmission Medium
Cpu Scheduling	Cpu Scheduling 2
Cpu Scheduling Algorithms 1	Cpu Scheduling Algorithms 2
Cpu Scheduling Benefits	Critical Section Problem
Deadlock	Deadlock Avoidance
Deadlock Detection	Deadlock Prevention
Deadlock Recovery	Disk Management
Disk Scheduling 1	Disk Scheduling 2
Distributed File System	Distributed Operating System
Distributed Synchronization	File System 1
File System Allocation Methods 1	File System Allocation Methods 2
File System Allocation Methods 3	File System Concepts
File System Free Space Performance	File System Implementation
File System Interface Access Methods 1	File System Interface Access Methods 2
File System Interface Directory Structure 1	File System Interface Directory Structure 2
File System Interface Mounting Sharing	File System Interface Protection
File System Recovery	Inter Process Communication
Io Subsystem	Kernel Io Subsystems
Linux	Mass Storage Raid 1
Mass Storage Raid 2	Mass Storage Tertiary Storage
Memory Allocation 1	Memory Allocation 2
Memory Management	Memory Management Paging 1
Memory Management Paging 2	Memory Management Segmentation
Memory Management Swapping 1	Memory Management Swapping 2
Multi Threading Models	Multimedia System Compression 1
Multimedia System Compression 2	Multimedia System Compression 3
Multimedia System Cpu Disk Scheduling	Multimedia System Network Management
Network File System 1	Network File System 2
Network Structure Topology	Operating System
Process Control Block	Process Creation
Process Rpc	Process Scheduling Queue
Process Structures	Process Sync Monitors
Process Synchronization	Processes
Protection Access Matrix	Protection Concepts
Protection Memory Protection	Protection Revocation Access Rights
Robustness	Rtos
Secondary Storage	Security
Security Cryptography	Security Intrusion Detection
Security Program System Threats	Security System Facility
Security User Authentication	Semaphores 1
Semaphores 2	Swap Space Management
Threads	Threads Cancellation
Threads Fork Exec	Threads Pools
Threads Signal Handling	Threads Ult Klt
Two Port Network	Virtual Memory
Virtual Memory Demand Paging	Virtual Memory Frame Allocation
Virtual Memory Page Replacement Algorithms 1	Virtual Memory Page Replacement Algorithms 2
Virtual Memory Thrashing

When an attempt is to make a machine or network resource unavailable to its intended users, the attack is called _____________

A. Denial-of-service attack
B. Slow read attack
C. Spoofed attack
D. Starvation attack

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The code segment that misuses its environment is called a _____________

A. Internal thief
B. Trojan horse
C. Code stacker
D. None of the mentioned

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The internal code of any software that will set of a malicious function when specified conditions are met, is called _____________

A. Logic bomb
B. Trap door
C. Code stacker
D. None of the mentioned

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The pattern that can be used to identify a virus is known as _____________

A. Stealth
B. Virus signature
C. Armoured
D. Multipartite

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Which one of the following is a process that uses the spawn mechanism to revage the system performance?

A. Worm
B. Trojan
C. Threat
D. Virus

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What is a trap door in a program?

A. A security hole, inserted at programming time in the system for later use
B. A type of antivirus
C. Security hole in a network
D. None of the mentioned

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Which one of the following is not an attack, but a search for vulnerabilities to attack?

A. Denial of service
B. Port scanning
C. Memory access violation
D. Dumpster diving

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File virus attaches itself to the _____________

A. Source file
B. Object file
C. Executable file
D. All of the mentioned

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Multipartite viruses attack on _____________

A. Files
B. Boot sector
C. Memory
D. All of the mentioned

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In asymmetric encryption _____________

A. Same key is used for encryption and decryption
B. Different keys are used encryption and decryption
C. No key is required for encryption and decryption
D. None of the mentioned

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