All Coursera Quiz Answers

Graded Quiz: Final Exam Quiz Answers

Hello Friends in this article i am gone to share Technical Support Case Studies and Capstone by IBM | Week 6 | Graded Quiz: Final Exam Quiz Answers with you..

Course Link: Technical Support Case Studies and Capstone

Also visit:  Exam – Cloud Computing Basics Quiz Answers


Graded Quiz: Final Exam Quiz Answers

Question 1)
What is a 7-bit character set that is 128 characters including the upper & lowercase English alphabet, the numbers 0-9, and punctuation marks?

  • Hexadecimal
  • Binary
  • Base 10

Question 2)
Binary is a number expressed in the base-____ numeral system.

  • 10
  • 2
  • 0
  • 100

Question 3)
What type of number contains up to seven digits, and has at least one decimal place?

  • Char
  • Doubles
  • Boolean
  • Float

Question 4)
What are the common data types used for numbers?

  • Floats, chars
  • Strings, chars
  • Integers, floats
  • Integers, strings

Question 5)
You are thinking about adopting a dog and want to create a Boolean search that matches two criteria: dog breed, activity level. Which Boolean operator would be used between the two terms to return your desired results?

  • NOT
  • LIKE
  • AND
  • OR

Question 6)
What computer memory is short term, can be read and changed in any order, and is considered a volatile memory?

  • ROM
  • Graphics memory
  • RAM
  • Cache memory

Question 7)
What function writes data to memory acting on instructions from the operating system and software?

  • Output
  • Processing
  • Storage
  • Input

Question 8)
When assessing the possible security improvements, you want to find the best solution at the lowest cost. What can be performed to estimate the strength and weakness of each approach to find the best method at the lower cost?

  • Cost-Benefit Analysis (CBA)
  • Total Cost Analysis (TCA)
  • Total Cost of Ownership (TCO)
  • Return on Investment (ROI)

Question 9)
In a data-driven business decision, what process is used to determine the type of data that will be captured for collection so it can be analyzed and possibly stored for future reference?

  • Meaningful Collection
  • Data Correlation
  • Meaningful Reporting
  • Data Capture and Collection

Question 10)
In regards to bandwidth, what is the smallest unit of measurement for data transfer?

  • Terabytes per second
  • Kilobytes per second
  • Bits per second
  • Bytes per second

Question 11)
A byte consists of how many bits?

  • 10
  • 2
  • 100
  • 8

Question 12)
You receive a support call from a customer. What is the first step that you should take using the troubleshooting methodology?

  • Establish a theory of probable cause
  • Research knowledge base/internet, if applicable
  • Document findings/lessons learned, actions, and outcomes
  • Identify the problem

Question 13)
A user has contacted you with multiple issues for their computer system. What would be the best course of action to take using the troubleshooting methodology?

  • Attempt to duplicate all of the problems simultaneously
  • Ask a coworker or supervisor
  • Run updates on the computer system
  • Approach each problem individually

Question 14)
Phishing is an example of what type of confidentiality concern?

  • Eavesdropping
  • Wiretapping
  • Snooping
  • Social engineering

Question 15)
A high school holds a vote for student council president. The vote tally is documented on a spreadsheet on the school network. An individual locates the spreadsheet and changes the vote tally for a different candidate, changing the outcome. What type of integrity concern would this be?

  • Denial of service
  • Replay attack
  • Unauthorized information alteration
  • Impersonation

Question 16)
From the list below, what is an anti-virus/malware protection best practice?

  • Disable real-time protection
  • Configure daily updates
  • Disable automatic program updates
  • Run automatic quick scans only once a year

Question 17)
When installing and configuring a new router what action should be taken with the router’s default password to keep a network secure?

  • Change the default password on the router to something only you know
  • Keep the default password on the router
  • Tell all your friends the new password so they can connect anytime
  • Remove all passwords from the router to make it accessible

Question 18)
Your children who are in elementary school use the family computer to do homework. You are concerned that your children will view content on the internet that is inappropriate. What is the best option to handle this situation?

  • Limit the amount of time that you allow your child to use the computer
  • Use parental control software to create whitelists and blacklists for appropriate and inappropriate content
  • Tell your child not to visit questionable sites
  • Put website tracking software on your computer

Question 19)
For the handling of confidential information at a corporation, which of the following would not be an advisable procedure to use?

  • Have employees shred printed copies of confidential information when finished with it
  • Have employees connect their personal devices to the network
  • Have employees not open suspicious emails with attachments
  • Have employees lock their computer screens when they leave their desks

Question 20)
What type of multi-factor authentication can be used to determine a user’s identity with the recognition of a fingerprint or retinal scan?

  • Soft token
  • Pin
  • Biometrics
  • Hardware token

Question 21)
You are a network administrator and want to define access rights by specific roles within a company. What is this type of access called?

  • Role-based
  • Attribute-based
  • Risk-based
  • Rule-based

Question 22)
What nonrepudiation method is used to determine if someone was present in an unauthorized location by use of recordings?

  • Biometrics
  • Signature
  • Receipt
  • Video

Question 23)
What method is used to crack passwords by using a list of common words and running them in various combinations?

  • Dictionary attack
  • Spidering
  • Man-in-the-middle attack
  • Brute force attack

Question 24)
Your new job requires you to login to multiple sites. From the list below, what would be the best course of action?

  • Create complex passwords for each site and use a password manager
  • Make up one password and use across all sites
  • Create easy passwords for all sites
  • Leave the default password assigned to you by the network admin

Question 25)
What do you use to decrypt a smartphone or tablet when you want to use it?

  • Antivirus software
  • A VPN
  • A secure network connection
  • A PIN or passcode

Question 26)
What email encryption works by exchanging digital certificates between users?

  • OpenPGP
  • VPN
  • API

Question 27)
Which RAID level is not used for redundant storage, and treats two or more drives as a single unit?

  • RAID 1
  • RAID 10
  • RAID 5
  • RAID 0

Question 28)
What type of disaster recovery site has no power, would need equipment for IT functions, and takes the longest time to deploy during a disaster?

  • Cold site
  • Hot site
  • Hot-cold site
  • Warm site

Question 29)
What provides a database output that is formatted and summarized?

  • Report
  • Import/Export
  • Create
  • Query

Question 30)
Which of the following is true for a flat file database?

  • It has multiple tables related to one another
  • It can be used concurrently by multiple individuals
  • It stores data in a structured way that is easy to retrieve
  • It is difficult to manage as it contains redundant and inconsistent data

Question 31)
What type of database consists of a schema, tables, fields, and constraints?

  • Document database
  • Non-relational database
  • Relational database
  • NoSQL

Question 32)
You have a set of data that includes names, phone numbers, and addresses stored in an Excel sheet. What term best describes this data?

  • JSON data
  • Non-structured data
  • Semi-structured data
  • Structured data

Question 33)
What SQL constraint prevents duplicate values from being stored in a specific column?


Question 34)
What SQL command removes one or more existing records from a table?

  • Delete
  • Select
  • Insert
  • Update

Question 35)
In regards to database access, what method is suitable for accessing a database that is stored on a local area network and only has a few users?

  • Programmatic access
  • Direct/manual access
  • Query/report builders
  • User interface/utility access

Question 36)
What type of backup is performed when the database is running?

  • Logical backup
  • Hot backup
  • Cold backup
  • Warm backup

Question 37)
What type of programming language converts the source code into an executable file?

  • Compiled programming language
  • Interpreted programming language
  • Assembly language
  • Query language

Question 38)
What type of programming language would you use to request and retrieve data from a database?

  • Interpreted programming language
  • Query language
  • Compiled programming language
  • Assembly language

Question 39)
What type of programming language uses an interpreter to translate commands and does not require a compiler?

  • Markup language
  • Query language
  • Assembly language
  • Scripting language

Question 40)
You are given the task to write pseudocode for a program that reads a file with the numbers 1 through 10 and prints each out to the console. From the options below, what would be your best choice?

  • Open file, write number, close file ,end
  • Open file, read number, write number, continue to next number
  • Read number, if not at end of file then continue to next number, else close file
  • Start, open file, read number, write number, if not at end of file then continue to next number, else close file, end

Question 41)
Your instructor has given you instructions to write a program that contains looping. The one condition is you must check the condition at the beginning of the loop. From the options below which is your best choice?

  • Do…While loop
  • While loop
  • For…Each loop
  • For loop

Question 42)
What type of logic component would be best suited for choosing options based on one or more variables?

  • Branching
  • Sequence
  • Pseudocode
  • Looping

Question 43)
What is a data structure that contains a group of data elements of the same data type?

  • Variables
  • Arrays
  • Constants
  • Vectors

Question 44)
What is a block of computer code that performs a task and can be called and reused repeatedly?

  • Container
  • Function
  • Identifier
  • Object

Question 45)
During program execution what is the term that describes a value that cannot change?

  • Constant
  • Variable
  • Object
  • Function

Question 46)
When using macOS, what is the first step for an initial hard drive setup?

  • Before setting up the hard drive the correct drivers must be installed
  • Find disk management to view what is installed along with drive partitions
  • Find disk utility for managing internal and external drives
  • Type fdisk in the command line to begin the process

Question 47)
You are using a Windows operating system and a newly installed program will not close. What command line keyword is used to end the program?

  • end_program
  • First use “ps -ax” to view the PIDs of running processes, and then type “kill (PID)”
  • Taskkill
  • killall

Question 48)
Which type of file system has support for large hard disk drives and journaling, file compression and encryption, and uses permissions to control access to files or folders?

  • Ext4
  • HFS
  • FAT32
  • NTFS

Question 49)
Which of the following has to be a condition for a device driver to work?

  • All of the above
  • The driver is the correct type for the operating system
  • The driver supports 32-bit operation for a 32-bit CPU or 64-bit operation for a 64-bit CPU
  • The driver is compatible with the hardware

Question 50)
What type of productivity software allows you to write, modify or format text, do markup and proofing, and print?

  • Word processing software
  • Spreadsheet software
  • Presentation software
  • Visual diagramming software

Question 51)
Google docs is what type of collaboration software?

  • Document sharing software
  • Instant messaging software
  • Conferencing software
  • Online workspace

Question 52)
What type of installation is a program that does not need internet access to run and is located on the C: drive of a Windows OS computer?

  • Locally installed
  • Cloud hosted
  • None of the above
  • Local network hosted

Question 53)
What type of application architecture model stores all of the required elements on a single server?

  • One-tier model
  • n-tier model
  • Three-tier model
  • Two-tier model

Question 54)
You are helping a friend by reviewing a website they created about adopting animals. You find an error on one of the webpages and your friend updates the website. You refresh the webpage but do not see any updates to the site. What would be your best option?

  • Tell your friend to restart their computer
  • Turn off your computer for 30 seconds and restart
  • Clear the cache
  • Close all of the browser windows

Question 55)
There are four settings that can be used for proxy servers. From the options below, what setting is used with a web browser?

  • HTTP proxy
  • SOCKS host
  • SSL proxy
  • FTP proxy

Question 56)
What type of software license allows the users to modify the code or make changes to the program?

  • Open source license
  • Group use/site license
  • Concurrent license
  • Single use license

Question 57)
You own a business with 10 employees and want to purchase a license for software to enable all 10 employees to use the software at the same time on their machines. What type of license would that be?

  • Concurrent license
  • Open source license
  • Group use/site license
  • Single use license

Question 58)
If your computer begins to have difficulties after an installation or upgrade, what startup option can be used that only makes essential hardware and software available?

  • Enable boot logging
  • Debugging mode
  • Last known good configuration
  • Safe mode

Question 59)
What allows electronic devices like cell phones and computers to exchange data over short distances using radio waves?

  • Bluetooth
  • Firewire
  • Thunderbolt
  • USB

Question 60)
What type of cable carries digital video signals, including audio, video, and control and is also known as IEEE-1394?

  • Thunderbolt
  • Firewire
  • VGA
  • HDMI

Question 61)
After receiving a new pair of speakers you open the box to see they attach to the desktop computer through a 3.5mm analog headphone jack. When examining the back of the computer you see a section that is color coded for different types of connections. Which color is best suited for output to the speakers?

  • Light blue
  • Lime green
  • Pink
  • Purple

Question 62)
You have connected a keyboard to your computer, what must be done next in order for the keyboard to begin working?

  • Nothing else is required as the keyboard is plug and play and it will be automatically recognized by the computer and begin working
  • The drivers already exist within the computer and must be activated
  • The keyboard will not work as it is an IP-Based peripheral and must be connected to a local area network (LAN)
  • The drivers for the keyboard need to be manually loaded to the computer

Question 63)
What is responsible for locating the drive that has the operating system and runs programs that initialize essential parts of the computer?

  • BIOS
  • CPU
  • GPU
  • RAM

Question 64)
What is a hardware component that allows a dedicated and full time connection to a network?

  • SSD
  • NIC
  • GPU
  • CPU

Question 65)
An active heat sink is normally attached to what in a computer?

  • NIC
  • CPU
  • SSD
  • RAM

Question 66)
What is one advantage of cable internet?

  • Faster than fiber optics
  • Data is digitally transmitted rather than analogically
  • Considered as an “Always-on” connection
  • Connection speed will not be affected by neighborhood usage

Question 67)
What type of wireless connection is also known as a fixed wireless service?

  • DSL
  • Satellite
  • Cellular
  • Radio Frequency

Question 68)
What type of local storage drive uses lasers to read and write data?

  • HDD
  • SSD
  • Optical drive
  • Flash drive

Question 69)
What type of storage allows for multiple machines to share storage over a network and allows the centralization of data?

  • Optical
  • SSD
  • NAS
  • RAM

Question 70)
What term refers to a group of computers used to perform work and is typically connected to a local area network for printing?

  • Clients
  • RAID
  • Workstations
  • Server

Question 71)
What type of device connects or manages other computers on a network and can be hardware or software?

  • Tablet
  • Server
  • Workstation
  • Mobile phone

Question 72)
What identifies the device’s host network and the location of the device on the host network?

  • MAC address
  • URL
  • IP address
  • Router

Question 73)
What connects computers over a relatively short distance, allowing users to share data, files and resources?

  • LAN
  • WAN
  • Modems
  • DNS

Question 74)
What can support up to four data streams and is the current minimum standard for equipment with Wi-Fi capabilities?

  • 802.11n
  • 802.11g
  • 802.11b
  • 802.11ac

Question 75)
Which wireless security encryption standard, out of the following options, offers the best security strength?

  • WPA2
  • WPA
  • WEP
  • WAP