Galvin u better study bud
As an IT person, one should be someone who enjoys learning on your own.
True
Computers today are more easily identifiable than computers in the past.
False
The concept of translating a program from a more readable language like Python or Java into the computer's native machine language is called ...
compilation
An IT person in general would not be expected to handle which of the following tasks?
- Train other employees
- Monitor employees' files and web browsing behavior to ensure compliance with organizational IT policies
- Be on call 24/7
- Make recommendations on computer purchases
- All of the above are tasks that an IT person might be asked to perform.
Monitor employees' files and web browsing behavior to ensure compliance with organizational IT policies
An IT person would probably be expected to study each of the following topics except for ...
... operating systems.
... programming.
... The IT person would be expected to study them all.
... networking.
... ethics.
The IT person would be expected to study them all.
T/F - You can store a number between 0 and 255 in 1 bit.
False (0 or 1)
Volatility is a property of which of the following?
- Hard disk storage
- All of the above
- Users
- Processors
- Memory
memory
T/F - System administrators will be expected to provide support in the form of documentation and training to the organization's users.
True
Which of the following is the largest storage capacity?
100 Megabytes
3,000,000 bytes
1,000,000 bits
4 Gigabytes
10,000 Kilobytes
4 Gigabytes
As computer technology has improved and thus become more complex, the ability to use the computer has been made easier.
True
False
True
System administrators should know more than one operating system.
True
The system administrator of a company would not be responsible for installing software on individual employee's computers.
False
If users use passwords containing non-alphabetic characters or a combination of upper and letter case letters, this ...
... promotes computer security.
Which of the following could be called a peripheral device?
Printer
Memory chips
Power supply unit
Memory
CPU
Printer
A computer system consists of the hardware, software and ...
... users
The only difference between a handheld unit such as a tablet device or a smart phone differs from a laptop or desktop computer is that the laptop/desktop has full sized peripheral devices and the handheld unit uses touch screens.
False
Web developers and web administrators share most of the same tasks.
False
Organizations typically only have one system administrator who will be responsible for all aspects of administering the computer systems.
False
Although an IT student may not learn a variety of programming languages, it is likely that the IT student will learn to program.
True
If a device performs the IPOS cycle, we should consider it to be a computer no matter what the device is.
True
It is the user who initiates when and what a computer should do.
True
A security administrator would be responsible for administering which of the following?
A website
A web server
A database server
A firewall
An operating system
A firewall
Which of the following behaviors might be considered as unethical from the position of a system administrator?
All of the above
Accessing other people's files
Reading employees' emails
Changing data files in the organization's system for one's own gain
Setting up backdoor accounts
All of the above
Which of the following types of files would come closest to about 1 MByte in size?
A small black and white image file
A highly compressed movie
An uncompressed movie
A long song stored in an mp3 file
A textfile with 1 page of text
A small black and white image file
A smart phone should not be considered a computer.
False
Detecting that a computer is running slowly because of a computer virus infection would be an example of which type of IT skill?
Software installation
System security
System-level programming
Troubleshooting
Knowledge of operating systems
Troubleshooting
Most people who work in IT have 4-year IT degrees.
False
The system administrator is responsible for each of the following tasks except...
... updating the operating system.
... installing software.
... training users.
... troubleshooting hardware
... securing a website.
... securing a website.
Which of the following skills would an IT person employ to find and fix a problem with the operating system?
System troubleshooting
System level programming
System security
Soft skills
Hardware troubleshooting
System troubleshooting
The system unit houses the CPU and memory chips, all placed on ...
None of the above, the system unit houses the CPU but not memory.
... an expansion slot.
... a monitor.
... ROM.
... a motherboard.
... a motherboard.
The GUI is both easier to use and provides the user with greater flexibility in issuing instructions while the command line provides the user with the opportunity to write more detailed commands and so is more powerful.
False
The operating system is software.
True
Where is swap space located?
hard disk
While any device can issue an interrupt, it is the operate system that handles interrupts.
True
With virtual memory, only portions of the running program are stored in memory.
True
Which form of processing would run one process at a time, but when that process requires I/O, the CPU would switch temporarily to another process?
Multitasking
GRUB is an example of ...
... a boot loader program.
Which of these hardware devices can force the processor to move from one process to another in multitasking?
program counter
stack pointer
redy queue
timer
status flags
program counter
A multithreaded operating system is more efficient than a multitasking operating system when executing threads.
True
A virtual machine is hardware.
False
. If two processes are deadlocked, what is your best move to free them from deadlock?
Kill one of the processes
Bourne is an example of a Linux ...
... shell
If an entry in a page table is listed as not valid, then accessing that page will cause ...
... a page fault.
To determine where a given page is stored in memory, the operating system uses ...
... the page table.
What does an interrupt interrupt?
the CPU during its fetch-execute cycle
Concurrent processing means that the operating system executes processes in an overlapped fashion, which of the following is not a form of concurrent processing?
multiprogramming
batch processing
multitasking
All of the above are forms of concurrent processing.
multiprocessing
batch processing
The use of permissions to control who/what can and who/what cannot access and use system resources is part of which of these operating system roles?
Protection
During a context switch, what is being switched?
one process' pages for another
one process' register values for another
one process' data for another
one process' priority for another
all of the above
all of the above
In a batch processing system, the operating system would have to schedule the next process to execute.
True
The foreground process is the one that the user can directly interact with.
True
Which of the following forms of scheduling will cause processes to wait the minimum amount of time?
First come first serve
Longest job first
Round robin
Priority
Shortest job first
Shortest job first
The process and the program are the same; the two terms can be used interchangeably.
False
Which portion of the operating system can be personalized by the user.
the shell
Cooperative multitasking and competitive multitasking are the same thing.
false
When the CPU moves from one process to another in multitasking, this is known as ...
a context switch
Two threads will always share the same ...
... program code.
In Linux, the administrator account is called ...
root
Which of the following is true in competitive multitasking?
None of the above: the CPU does not switch between processes during multitasking.
The CPU switches between processes at the user's request.
The CPU switches between processes when a timer forces a context switch.
The CPU switches between processes randomly.
The CPU switches between processes only when a process needs I/O.
The CPU switches between processes when a timer forces a context switch.
When two threads need to "meet up" in order to share data, this is known as ...
... rendezvous.
If a process generates an address that is part of another process' area of memory, this is known as ...
... a memory violation.
Which of the following forms of processing does not provide any form of interaction with the user but instead requires I/O be handled before/after program execution?
Multiprogramming
The process of swapping is triggered under which circumstance?
a page fault
Which of the following forms or process management did MS-DOS use?
Single tasking
The portion of the operating system that must be resident in memory at all times is ...
... the kernel.
In order for the operating system to be able to communicate with a specific piece of hardware, one must install the appropriate ...
... device driver.
. To create a directory, both Linux and DOS use mkdir.
True
Files are broken into fixed sized units called ...
blocks
Which of the following tasks would not be possible for a system administrator to do on the file system?
Add remote storage to be accessed over network
Encrypt portions of the file system
Mount and unmount specific partitions
All of the above are possible.
Establish disk quotas
All of the above are possible.
The /proc top level directory is different from most other Linux top level directories because it ...
... is not stored on disk but instead stored in memory.
In order to determine which directory you are currently in, which commands would you use respectively in Windows and Linux?
nothing in Windows, and pwd in Linux
Mounting ...
... makes a partition available.
In a linked list, to reach the 5th block, how many links do you have to follow?
4
A hard link in a file system points at the file while a soft link points at a file's directory entry.
True
In Linux, every top-level directory is located on its own partition whereas in Windows, all of the top-level directories are on the same partition.
False
If a hard disk contains 4 platters, how many read/write heads will the hard disk contain?
8
In Linux, devices like the disk drives, USB drives, network devices and monitor are treated as files. These "files" are stored under which directory?
/dev
In Linux, you have one inode for every file and directory in your file system.
True
In DOS, which of the following symbols is used to denote a directory in a path?
\
Under which Linux top-level directory would you find the user directories?
/home
In Linux, a soft link is called ...
symbolic link
In both Windows and Linux, partitions are denoted by using different letters as in C: and D:.
false
The zip and tar programs can be used to create ...
archives
The surface of a hard disk is broken into which types of regions?
tracks and sectors
The time it takes the read/write head to move across the disk to the proper track is called ...
seek time
In Linux, you would expect to find many of the system administrator programs stored under ...
/sbin
We view the file system from a physical perspective while the operating system manipulates it from a logical perspective.
false
Which of the following files stores user account information?
/etc/passwd
With file blocks distributed across the file system instead of being stored in consecutive disk blocks, accessing the file requires traversing the blocks creating what one might call a ...
linked list
File name extensions are primarily used ...
... by the operating system to know what software to use to open the file.
In file compression, lossy compression ...
... reduces the file size by discarding some of the data.
Which of the following Linux commands is like the DOS command dir?
ls
Which of the following files stores the currently mounted file systems (partitions) in Linux?
/ect/mtab
You can separately mount and unmount each individual partition.
True
Disk access time is slower than memory access time.
True
User passwords are not actually stored in the /etc/passwd file.
True
Under which Linux top-level directory would you find most of the configuration files?
/etc
In Windows, the Programs top level directory stores applications software. In Linux, the equivalent directory is ...
/usr
All files have names although the extension is not required.
true
The file system for Windows and Linux are “shapes” like a ...
Tree
In Linux, the system administrator’s home directory is stored under ...
root