Answer:
The real-time transport protocol (RTP) carries the audio and video data for streaming and uses the real-time control Protocol to analyse the quality of service and synchronisation. The RTP uses the user datagram protocol ( UDP) to transmit media data and has a recommended Voice over IP configuration.
Explanation:
RTP is a network protocol used alongside RTCP to transmit video and audio file over IP networks and to synchronise and maintain its quality of service.
What makes Group Policy such a powerful tool is its ability to enable security administrators to:_________.
Answer: Enforce the organization's security policy
Explanation: Group policy provides a robust and centralized control to systems or computers on a particular network by providing a quick and efficient means of maintaining network security by affording network administrators the ability to several policies they wish to apply on users and computers in their network. This way the changes or policies can be applied to every computer on it's network. Hence it allows the network administrators to enforce the organization's security policy which may include restricting access to certain websites, directories, files or settings for all computers on the organization's network.
A python keyword______.
Answer:
cannot be used outside of its intented purpose
Explanation: python keywords are special reserved words that have specific meanings and purposes and can't be used for anything but those specific purposes
Which of the following information security technology is used for avoiding browser-based hacking?
Anti-malware in browsers
Remote browser access
Adware remover in browsers
Incognito mode in a browser
Answer:
B
Explanation:
if you establishe a remote browsing by isolating the browsing session of end user.. you'll be safe
How do the following technologie help you in your quest to become a digital citizen: kiosks, enterprise computing, natural language processing, robotics, and virtual reality?
Answer:
kiosks
Explanation:
It is generally believed that a digital citizen refers to a person who can skillfully utilize information technology such as accessing the internet using computers, or via tablets and mobile phones, etc.
Kiosks (digital kiosks) are often used to market brands and products to consumers instead of having in-person interaction. Interestingly, since almost everyone today goes shopping, consumers who may have held back from using digital services are now introduced to a new way of shopping, thus they become digital citizens sooner or later.
Enterprise computing, natural language processing, robotics, and virtual reality are vital for an individual to become a digital citizen.
Enterprise computing simply means a business-oriented technology that's vital to the operations of a company. It's part of the critical infrastructure of a company.
Robotics is the design, construction, and the use of robots. It's used for assisting human beings to perform different operations.
Virtual reality refers to a stimulated experience that appears to make objects and scenes real. It should be noted that robotics, virtual reality, natural processing language, etc are vital for an individual to become a digital citizen.
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Friend Functions of a class are________members of that class.
Answer:
Friend Functions of a class are not members of that class.
Explanation:
A friend function of a class is defined outside the class' scope, but has the access rights to all private and protected members of that class.
Cheers.
_____It saves network service providers a lot of money by collecting relevant statistics on network device usage.
Answer:
Internet of things
Explanation:
Internet of things often referred to as IoT, is a term in the computer world, that describes an object or a form of the network between various but similar items, and is purposely designed or has the capacity to gather data without the need to have biological or human-computer data exchange.
Hence, the Internet of Things saves network service providers a lot of money by collecting relevant statistics on network device usage.
Which of the following BEST defines digital citizen? a) a person who uses digital resources to research information b) a person who is digitally literate c) a person who is digitally connected d) a person who uses digital resources to engage in society
Answer:
a
Explanation:
Answer:
the answer is A
Explanation:
Were you surprised that devices have been around for thousands of years? what are your first memories for computers? discuss the privileges living in todays technology versus 20 years ago.
Answer:
No, I am not surprised devices have been around for thousands of year, as humans seek to make things easier by inventing devices for daily work support.
Explanation:
Computer as a device helps for computation of data to the much needed information. It is digital and fast. My first sight of a computer was a box with a small screen and other units like the keyboard and mouse. It was big and bulky. Now the computer system is compact and user friendly and used for daily human activities like graphic design, programming, gaming, playing music and videos, etc. It even have very high processing speed and multiple processor cores, this was not so in the past.
Design a 4-to-16 line Decoder by using the two 3*8 decoder-line decoders. The 3-to-8 line decoders have an enable input ( '1' =enabled) and the designed 4-to-16 line decoder does not have an enable. Name the inputs A0........A3 and the outputs D0.......D15.
Answer:
- Connect A0, A1 and A2 to the inputs of the two 3-to-8 decoders
- Connect A3 to the enable input of the first 3-to-8
- Connect A3 also to an inverter, and the output of that inverter to the enable input of the second 3-to-8
- D0 to D7 of the first 3-to-8 is D0 to D7 of your 4-to-16
- D0 to D7 of the second 3-to-8 is D8 to D15 of your 4-to-16
a town with 4 lakh inhabitants is to be supplied with water from a reservoir 6.4 km away from a town with 25 m available head calculate the size of pipeline
Answer: B
Explanation:
2. You have noticed over the past several days that your computer is running more slowly
than usual, but today it is running so slowly that you are unable to get your work done.
What is one possible reason for your computer's slow operation?
Answer:
Because of temporary file
Explanation:
Go to run and go in temporary file
Which of the following components provides a number of critical services, including a user interface, memory management, a file system, multitasking, and the interface to hardware devices?a. RAMb. Operating system (OS)c. BIOSd. Hard drive
Answer:
b. Operating system (OS)
Explanation:
Operating System is a term that is mostly referred to as a computer system's component, program or software technology, that carry out various operations for the whole Computer System.
These operations include:
1. a user interface
2. memory management
3. a file system
4. multitasking
5. the interface to hardware devices.
Hence, in this case, the right answer is option B: Operating System.
What additional features on your router would you implement if you were setting up a small wired and wireless network
Answer:
Explanation: The following features will be implemented:
1) Guest networks,
2) Networked attached storage,
3) MAC filtering
A guest Wi-Fi network is essentially a separate access point on your router. All of your home gadgets are connected to one point and joined as a network, and the guest network is a different point that provides access to the Internet, but not to your home network. As the name implies, it's for guests to connect to.
Network Attached Storage
is dedicated file storage that enables multiple users and heterogeneous client devices to retrieve data from centralized disk capacity. Users on a local area network (LAN) access the shared storage via a standard Ethernet connection.
MAC address filtering allows you to define a list of devices and only allow those devices on your Wi-Fi network.
Write a program that asks the user for three names, then prints the names in reverse order. Sample Run: Please enter three names: Zoey Zeb Zena Zena Zeb Zoey
Solution:
Since no language was specified, this will be written in Python.
n1, n2, n3 = input ("Enter three names: ").split()
print(n3)
print(n2)
print(n1)
Cheers.
Write a GUI program that translates the Spanish words to English. The window should have three buttons, one for each Spanish word. When the user clicks a button, the program displays the English translation in a label.
Answer:
Here is the Python program:
import tkinter #to create GUI translator application
class Spanish2English: # class to translate Spanish words to English
def __init__(self): # constructor of class
self.main_window = tkinter.Tk() # create a main window
self.top_frame = tkinter.Frame() # create a frame
self.middle_frame = tkinter.Frame()# # create a middle frame
self.bottom_frame = tkinter.Frame() #create a frame at bottom
self.top_label = tkinter.Label(self.top_frame,text="Select a spanish word to translate") #creates a label at top frame with text: Select a Spanish word to translate
self.top_label.pack() # to organize the widgets
self.first_button=tkinter.Button(self.middle_frame, text="uno",command=self.word1)
#create first button with Spanish word uno and place it in middle frame
self.second_button = tkinter.Button(self.middle_frame, text="dos",command = self.word2)
# create second button with Spanish text dos and place it in middle frame
self.third_button = tkinter.Button(self.middle_frame, text="tres",command = self.word3)
# create third button with Spanish text tres and place it in middle frame
self.first_button.pack(side='top') #place first button at top
self.second_button.pack(side='top') #place second button next
self.third_button.pack(side='top') #place third button in end
self.bottom_left_label = tkinter.Label(self.bottom_frame,text="English translation: ") #creates label with text English translation:
self.translation = tkinter.StringVar() #creates String variable to hold the English translation of the Spanish words
self.trans_label = tkinter.Label(self.bottom_frame, textvariable=self.translation) #creates and places label at the bottom frame which contains the English translation of Spanish words
self.bottom_left_label.pack(side = 'left')
#organizes the labels
self.trans_label.pack(side = 'right')
#organizes the frames
self.top_frame.pack()
self.middle_frame.pack()
self.bottom_frame.pack()
tkinter.mainloop() #to run the application
def word1(self): #method to translate word1 i.e. uno
self.translation.set('one') #set the value of object to one
def word2(self): #method to translate word2 i.e. dos
self.translation.set('two') #set the value of object to two
def word3(self): #method to translate word3 i.e. tres
self.translation.set('three') #set the value of object to three
translator = Spanish2English() #run the translator application
Explanation:
The program is well explained in the comments mentioned with each line of program
The program creates a GUI translator application using tkinter standard GUI library. In class Spanish2English first the main window is created which is the root widget. Next this main window is organized into three frames top, middle and bottom. A label is placed in the top frame which displays the text "Select a Spanish word to translate". Next, three buttons are created, for each Spanish word. The first button displays the Spanish word 'uno', second button displays the Spanish word 'dos' and third button displays the Spanish word 'tres'. Next, the two labels are created, one label is to display the text: "English translation: " and the other label is to display the English translation of the Spanish words in each button. In the last, three methods, word1, word2 and word3 are used to set the value of the translation object.
The program along with its output is attached.
Which of the following is not a job title associated with a career in visual and audio technology? master control operator production assistant stagehand optometrist
Answer:
Optometrist
Explanation:
Optometrists are healthcare professionals who provide primary vision care ranging from sight testing and correction to the diagnosis, treatment, and management of vision changes. An optometrist is not a medical doctor.
Answer:
c
Explanation:
For successful completion of an 8-Week course, how often should I visit the course web site to check for new e-mail and any instructor announcements?
Answer: The course web should be visited daily to check for new e-mail and any instructor announcement.
Explanation:
For any serious-minded and Intellectually inclined individual, who aimed for a successful completion of an 8-Week course, it's imperative for him/her to visit the course web site daily to check for new e-mail and any instructor announcements.
Write a program that prints all the numbers from 0 to 6 except 3 and 6. Expected output: 0 1 2 4 5
for x in range(7):
if (x == 3 or x==6):
continue
print(x, end=' ')
print("\n")
Output:>> 0 1 2 4 5
Explanation:The code above has been written in Python. The following explains each line of the code.
Line 1: for x in range(7):
The built-in function range(7) generates integers between 0 and 7. 0 is included but not 7. i.e 0 - 6.
The for loop then iterates over the sequence of number being generated by the range() function. At each iteration, the value of x equals the number at that iteration. i.e
For the first iteration, x = 0
For the second iteration, x = 1
For the third iteration, x = 2 and so on up to x = 6 (since the last number, 7, is not included).
Line 2: if (x == 3 or x == 6):
This line checks for the value of x at each iteration. if the value of x is 3 or 6, then the next line, line 3 is executed.
Line 3: continue
The continue keyword is used to skip an iteration in a loop. In other words, when the continue statement is encountered in a loop, the loop skips to the next iteration without executing expressions that follow the continue statement in that iteration. In this case, the print(x, end=' ') in line 4 will not be executed when x is 3 or 6. That means 3 and 6 will not be printed.
Line 4: print(x, end=' ')
This line prints the value of x at each iteration(loop) and then followed by a single space. i.e 0 1 2 ... will be printed. Bear in mind that 3 and 6 will not be printed though.
Line 5: print("\n")
This line will be printed after the loop has finished execution. This line prints a new line character.
The program is an illustration of loops.
Loops are used to perform repetitive operations.
The program in Python, where comments are used to explain each line is as follows:
#This iterates from 0 to 6
for i in range(7):
#This checks if the current number is not 3 or 6
if not i==3 and not i == 6:
#If yes, the current number is printed
print(i,end=" ")
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Which connection configuration offers faster speeds, higher security, lower latencies, and higher reliability?
Answer:
ExpressRoute
Explanation: ExpressRoute is an Azure service that allows a user to create a private connection with other datacenters /infrastructures. It gives an enterprise the opportunities to effectively extend and expand its networks into cloud services offered by Microsoft cloud, it can also be described as a cloud Integration option that can be used by a private network to plug-in into a Microsoft cloud services.
Which of the following is true about occupations within the STEM fields? Many occupations use mathematics, even if it is not the primary focus of a given job. Engineering occupations rely solely on technology concepts to solve problems. Scientists assist technicians by collecting information. Most technology occupations require a higher education degree.
Answer:
Many occupations use mathematics, even if it is not the primary focus of a given job.
Explanation:
Think about software developers, they develop apps, websites, and other things, but they also use math in the process. Scientists use statistics. Mechanics use math to make sure their measurements are right. Therefore, I think your best bet would be
A. Many occupations use mathematics, even if it not the primary focus of a given job.
Answer:
Explanation:
Think about software developers, they develop apps, websites, and other things, but they also use math in the process. Scientists use statistics. Mechanics use math to make sure their measurements are right. Therefore, I think your best bet would be
A. Many occupations use mathematics, even if it not the primary focus of a given job.
Xanadu was to be a full-blown multimedia computer that could embody any medium.a. Trueb. False
Answer:
b. False
Explanation:
Xanadu is a project formulated by a certain Ted Nelson, and was originally intended to be a machine-language program with the capability of saving and showing various documents side by side, while the availability of editing function is also available.
Hence, in this case, it is FALSE that Xanadu was to be a full-blown multimedia computer that could embody any medium
Many languages distinguish between uppercase and lowercase letters in user-defined names. What are the pros and cons of this design decision?
Answer:
Explanation:
The reasons why a language would distinguish between uppercase and lowercase in its identifiers are:
(1) So that variable identifiers may look different than identifiers that are names for constants, such as the convention of using uppercase for constant names and using lowercase for variable names in C.
(2) So that the catenated words such as names can have their first letter distinguished, as in Total Words. The primary reason why a language would not distinguish between uppercase and lowercase in identifiers is it makes programs less readable, because words that look very similar are actually completely different, such as SUM and Sum.
5- image I(x,y) with gray level in range[0.L-1) has applied with the spatial operation S-L-1-I(x,y)
this is Called :
(A) Gray-level Reduction ((B) Image Negative (C) morphology enhancement (D) Denoising
Describe how catching exceptions can help with file errors. Write three Python examples that actually generate file errors on your computer and catch the errors with try: except: blocks. Include the code and output for each example in your post. Describe how you might deal with each error if you were writing a large production program. These descriptions should be general ideas in English, not actual Python code.
Answer:
Three python errors are; import error, value error, and key error.
Explanation:
Errors occur in all programming languages and just like every other language, python has error handling techniques like the try and except and also the raise keyword.
A value error occurs when an output of a variable or expression gives an unexpected value. Import error results from importing a module from an unknown source while a key error is from a wrong input keypress.
Catching these errors and raising an error gives more control and continuity of the source code.
Answer:
Catching exceptions helps a programmer to resolve raised issues at runtime instead of deliberately closing their program.
There are a lot of types of file errors. e.g. hadware/os errors, name errors,
operation errors, data errors.
Explanation:the function try will provide a testing of your code validating if it is correct, it will continue running. and adding the function except, it will print the error.
Dealing with the error depends on what you like the program to do and how you want to identify the errors so you can work on them.
When troubleshooting Domain Name System (DNS) problems, which helpful feature do public servers usually support
Answer:
ICMP echo requests.
Explanation:
A Domain Name System (DNS) can be defined as a naming database in which internet domain names (website URLs) are stored and translated into their respective internet protocol (IP) address. This simply means that, DNS is used to connect uniform resource locator (URL) or web address with their internet protocol (IP) address.
When troubleshooting Domain Name System (DNS) problems, one helpful feature the public servers usually support is an ICMP echo requests.
ICMP is an acronym for Internet Control Message Protocol and it is a standard protocol for communicating network errors in the form of messages such as Time exceeded and Destination unreachable.
In Computer Networking, an echo reply and echo request are implemented with a command utility referred to as ping. When a user sends an echo request message with the ping program, a successful attempt will return an echo reply message.
Hence, when troubleshooting Domain Name System (DNS) problems, a user should ping a public server such as a Google DNS server with the IP address (8.8.8.8 or 8.8.4.4), Cloudfare with 1.1.1.1 or the common 4.2.2.2 DNS server. If successful, it means the name-server was resolved properly into an IP address and therefore, there's an active connection on the network.
Based on the information given, the helpful feature that public servers usually support is the ICMP echo requests.
It should be noted that a Domain Name System simply means a naming database where the internet domain names are stored and translated into their respective internet protocol address.
It should be noted that when troubleshooting Domain Name System problems, the helpful feature that public servers usually support is the ICMP echo requests.
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What is the output of the following code segment? t = 0; if(t > 7) System.out.print("AAA"); System.out.print("BBB"); BBB AAABBB AAA nothing
Answer:
BBB
Explanation:
Given
Java code segment
Required
What is the output?
Analyzing the code segment 1 line after other
This line initializes t to 0
t = 0;
This line checks if t is greater than 7
if(t > 7)
If the above condition is true, the next line is executed
System.out.print("AAA");
NB: Since t is not greater than 7, System.out.print("AAA"); will not be executed
Lastly, this line executed
System.out.print("BBB");
Hence, BBB will be displayed as output
list the network characteristics of the wireless network(s) in the decode -- SSIDs, channels used, AP names, presence of Bluetooth, presence of RFID. Be sure to explain where/how one got each answer. [5 Points]
Answer:
SSIDs : service state identifiers are used to beacon for connect from an access point or wireless router. They are used to request for authentication in a wireless network.
Channels used: this is the frequency range used by a wireless network. It is spaced to avoid collision.
Ap names is the name of the wireless access point that is used to identify a beacon in a workstation. Bluetooth is a short range private network between two devices.
RFID: radio frequency identifier or identification is a chip that hold information of an individual electronically.
Explanation:
These are some examples of wireless communication devices.
If you wanted to securely transfer files from your local machine to a web server, what file transfer protocol could you use?
Answer:
SFTP protocol
Explanation:
FTP (file transfer protocol) is used for transferring files from local computers to a website or server but unfortunately, a file transfer protocol is not a secure method.
So, we have to used SFTP (secure file transfer protocol) at the place of file transfer protocol to move local files on the website server securely.
What is Animation?
(A) A cartoon
(B) The apparent movement of an object
(C) A file format
(D) All of the above
Answer:
Hey!
Your answer should be B The apparent movement of an object
Explanation:
Animation is a method in which figures are manipulated to appear as moving images...often done with softwares where you take multiple images per scene and string them together WHICH MAKES THE OBJECT MOVE!
HOPE THIS HELPS!
what is the first computer company
Electronic Controls Company it was founded on 1949 by J.Presper and John Mauchly
Answer: Electronic Controls Company
Explanation: The first computer company was Electronic Controls Company and was founded in 1949 by J. Presper Eckert and John Mauchly, the same individuals who helped create the ENIAC computer.
Hope this helps^^