ITI FINAL EXAM

If users use passwords containing non-alphabetic characters or a combination of upper and letter case letters, this ...

... promotes computer security.

The system administrator is responsible for each of the following tasks except...

... Securing a website.

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?

4 Gigabytes

A security administrator would be responsible for administering which of the following?

A firewall

An IT person in general would not be expected to handle which of the following tasks?

Monitor employees files and web browsing behavior to ensure compliance with organizational IT policies

You can store a number between 0 and 255 in 1 bit

False

A computer system consists of the hardware, software and ...

... Users.

Detecting that a computer is running slowly because of a computer virus infection would be an example of which type of IT skill?

Troubleshooting

Web developers and web administrators share most of the same tasks

False

If a device performs the IPOS cycle, we should consider it to be a computer no matter what the device is.

True

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

Which of the following could be called a peripheral device?

Printer

As an IT person, one should be someone who enjoys learning in your own

True

Most people who work in IT have 4-year It degrees

False

Which of the following skills would an IT person employ to find and fix a problem with the operating system?

System troubleshooting

The system administrator of a company would not be responsible for installing software on individual employees computers

False

An IT person would probably be expected to study each of the following topics except for ...

The IT person would be expected to study them all.

A smart phone should not be considered a computer

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

As computer technology has improved and thus become more complex, the ability to use the computer has been made easier

True

Organization typically only have one system administrator who will be responsible for all aspects of administering the computer systems

False

Volatility is a property of which of the following?

Memory

Which of the following behaviors might be considered as unethical from the position of a system administrator?

All of the above

Which of the following types of files would come closest to about 1 Minute in size?

A small black and white image file

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

... complication

It is the user who initiates when and what a computer should do.

True

The system unit houses the CPU and memory chips, all placed on ...

... a motherboard

System administrators should know more than one operating system

True

The operating system is software

True

Where is swap space located?

Hard disk

In a batch processing system, the operating system would have to schedule the next process to execute.

True

During a context switch, what is being switched?

All of the above

Which of the following forms or process management did MS-DOS use?

Single tasking

The process and the program are the same; the two terms can be used interchangeably

False

While any device can issue an interrupt, it is the operate system that handles interrupts

True

Which of the following forms of scheduling will cause processes to wait the minimum amount of time?

Shortest job first

When the CPU moves from one process to another in multitasking, this is known as ...

... a context switch.

The process of swapping is triggered under which circumstance?

A page fault

The portion of the operating system that must be resident in memory at all times is...

... the kernel.

What does an interrupt interrupt?

the CPU during its fetch-execute cycle

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

Which portion of the operating system can be personalized by the user

shell

Which of the following is true in competitive multitasking

The CPU switches between processes when a timer forces a context switch.

A multithreaded operating system is more efficient than a multitasking operating system when executing threads.

True

Concurrent processing means that the operating system executes processes in an overlapped fashion, which of the following is not a form of concurrent processing?

batch processing

The foreground process is the one that the user can directly interact with.

True

. If two processes are deadlocked, what is your best move to free them from deadlock?

kill one of the processes

With virtual memory, only portions of the running program are stored in memory.

True

The use of permissions to control who/what cannot access and use system resources is part of which of these operating system roles?

Protection

Cooperative multitasking are the same thing

False

If a process generates an address that is part of another process' area of memory, this is known as ...

... a memory violation

Bourne is an example of a Linux ...

... shell

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

In order for the operating system to be able to communicate with a specific piece of hardware, one must install the appropriate ...

device driver

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?

GRUB is an example of ...

boot loader program

When two threads need to "meet up" in order to share data, this is known as ...

... rendezvous

Which of these hardware devices can force the processor to move from one process to another in multitasking?

Program Counter

To determine where a given page is stored in memory, the operating system uses...

... the page table

A virtual machine is hardware

False

If an entry in a page table is listed as not valid, then accessing that page will cause ...

page fault

Two threads will always share the same ...

program code

You can separately mount and unmount each individual partition

True

The time it takes the read/write head to move across the disk to the proper track is called...

... seek time

If a hard disk contains 4 platters, how many read/write heads will the hard disk contain?

8

In a linked list, to reach the 5th block, how many links do you have to follow?

4

File name extensions are primarily used ...

... by the operating system to know what software to use to open the file.

Which of the following tasks would not be possible for a system administrator to do in the file system?

All of the above are possible.

The zip and tar programs can be used to create...

... archives

We view the file system from a physical perspective while the operating system manipulates it from a logical perspective.

False

Files are broken into fixed sized units called ...

blocks

All files have names although the extension is not required.

True

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

Mounting ...

... makes a partition available

The surface of a hard disk is broken into which types of regions?

Tracks and sectors

A hard link in a file

False

In file compression, lossy compression ...

... reduces the file size by discarding some of the data.

Disk access time is slower than memory access time.

True

The process of identifying a user through a username and password is known as ...

... authetication

Accounts are not just set up for human users.

True

A strong password requires all of the following except ...

... it should be generated randomly

The earliest version of Windows that required user accounts was Windows 3.1

False

In order to discover your password, someone might call you on the phone and try to trick you into divulging it to them, for instance by acting as someone from your organization's IT group. This is often called ...

... social engineering

What operating system task is access control lists used for?

Protection

The first message broadcast on the Internet, in its earliest incarnation, was in which year?

1969

TCP/IP's link layer is roughly equivalent to the OSI model's...

... physical and data link layers

Switches use which of the following addresses to send a message to the proper device?

MAC addresses

If a computer were to go off line in a network, which of the following topologies would most likely be impacted by this?

ring

In a 3-D nearest neighbor network, a computer would directly connect to how many neighbors?

3

In a circuit switched network, the pathway between devices is established before communication commences and is retained for the duration of the communication

True

Last mile technology is used to express the idea that ...

... some households still use low bandwidth telephone lines to access the Internet.

In order to determine if another computer is available and accessible over your network, you might use which program to test it?

ping

The Internet uses packet switching while local area networks use circuit switching.

False

To use the telephone network for computer communication, one must ...

... convert the analog information stored in the computer into a digital form.

IPv4 offers approximately how many unique IP addresses?

4 billion

The number of computers on the original ARPAnet was...

4

Which level of the OSI model performs routing?

network

At which level of the OSI model are data units decomposed into packets?

Data Link