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Operating System
1081
Computer Science Fundamentals
998
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OS File Systems and Their Implementation
Metadata includes _____________
all of the file system structure
contents of files
both file system structure and contents of files
none of the mentioned
Author:
rikazzz
Comment
OS Protection
What is correct regarding ‘relocation’ w.r.t protecting memory?
It is a process of taking a program as if it began at address 0
It is a process of taking a program as if it began at address 0A
Fence cannot be used within relocation process
All of the mentioned
Author:
rikazzz
Comment
OS Protection
What are the various roles of protection?
It is used to detect errors which can prevent contamination of system
It is used used to accelerate a process
It is used to optimize system downtime
None of the mentioned
Author:
rikazzz
Comment
OS Security
What is the best practice in the firewall domain environment?
Create two domain trusted and untrusted domain
Create strong policy in firewall to support different types of users
Create a Demilitarized zone
Create two DMZ zones with one untrusted domain
All live servers or workstations are kept in a separate zone than inside and outside to enhance protection.
Author:
rikazzz
Comment
OS Deadlocks
Each request requires that the system consider the _____________ to decide whether the current request can be satisfied or must wait to avoid a future possible deadlock.
resources currently available
processes that have previously been in the system
resources currently allocated to each process
future requests and releases of each process
Author:
rikazzz
Comment
OS Memory Management
In paging the user provides only ________ which is partitioned by the hardware into ________ and ______
one address, page number, offset
one offset, page number, address
page number, offset, address
none of the mentioned
Author:
rikazzz
Comment
OS Distributed Communication
Messages sent by a process __________
have to be of a fixed size
have to be a variable size
can be fixed or variable sized
None of the mentioned
Author:
rikazzz
Comment
OS Real Time Operating Systems(RTOS)
Real time systems need to __________ the interrupt latency.
minimize
maximize
not bother about
none of the mentioned
Author:
rikazzz
Comment
OS Process Synchronization
mutex);
a deadlock will occur
processes will starve to enter critical section
several processes maybe executing in their critical section
all of the mentioned
Author:
rikazzz
Comment
Computer Science Fundamentals
The _________ attribute specifies the web page to be placed in the frame initially.
name
src
cols
rows
The src attribute or the source specifies the web page to be placed in the frame initially. It may be subsequently overwritten.
Author:
rikazzz
Comment
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