Studnet Name:_______________________ Date:__/__/____
Q1:
A.
B.
C.
D.
5. [4 pts] two stations running tcp/ip are engaged in transferring a file. this file is 100mb long, the payload size is 100 kb, and the negotiated congestion window size is 300 kb. the sender receives an ack 1200 from the receiver. (2 points each) a. which bytes will be sent next? b. what is the last byte number that can be sent without an ack being sent by the receiver?
On the internet, network devices are connected via a set of protocols referred to as TCP/IP, or Transmission Control Protocol/Internet Protocol.
What stations running TCP/IP are engaged in a file?In the transport layer, TCP coexists with other protocols like UDP. Except for UDP, which has less robust error checking, protocols in this layer guarantee error-free data transfer to the source.
A connection between the destination computer and the source sending computer. One of the two primary methods of data transmission in a TCP/IP network is TCP.
Therefore, Additionally, a private computer network uses TCP/IP as its communication mechanism (an intranet or extranet).
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identify the key players in the case and describe their respective roles. are these the right roles? what roles in particular should be modified? how might such role modifications be accomplished? 2. focus on the role of the software vendor- unitrak software corporation. was it an appropriate role? did unitrak act responsibly
Wallingford, Lassiter, Kovecki, and Hedges are the major players. The MSCC's president, Wallingford, turned the group into a forceful advocate for the business community. Also, as a software vendor Unitrak Software Corporation played an acceptable role.
While the majority of the main players' roles were suitable at the time, MSCC would have benefited from some changes to better suit their IS requirements. Since Jeff Hedges already oversaw the Public Finance and lacked much computer experience, his post was not fit.
i. He was too preoccupied with the finance section to have time to manage the expanding computer operations.
ii. Hedges' position should be changed to remove his responsibility for computer operations and transfer it to someone with more knowledge of and interest in the organization's operations.
Since his division was responsible for the majority of the organization's financial development, Leon Lassiter had a greater awareness of the need for a stronger system to satisfy MSCC's requirements.
His engagement increased his awareness of the potential financial risk if an upgrade was not completed on schedule. Since he is more qualified than (Hedges) and has the will to satisfy the needs of a better IS, Lassiter would be a superior choice to oversee computer operations.
The software vendor, Unitrak Software Corporation played an acceptable role. However, MSCC made the error of choosing software that wasn't appropriate for their purpose.
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In the short-run, if P < ATC, a perfectly competitive firm should increase production to the output level at which P = ATC. continue producing at a loss. shut down. continue producing at a profit. There is not enough information to answer the question.
In the short-run, if P < ATC, a perfectly competitive firm should option B: There is not enough information to answer the question since we do not know the firm's AVC.
What Is Perfect Competition?According to economic theory, perfect competition exists when all businesses sell the same goods, market share has no bearing on prices, businesses can enter or quit the market without any obstacles, consumers have perfect or complete information, and businesses are unable to set prices.
Note that a perfect market, also known as an atomistic market, is defined by various idealizing conditions, which are together referred to as perfect competition, or atomistic competition, in economics, specifically general equilibrium theory.
Because competing firms pressure them to accept the market's current equilibrium price, a perfectly competitive firm is referred to as a price taker.
Therefore, from the question, you can see that some data are missing and as such, one cannot make any reasonable conclusion. Hence, option B is correct.
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Explanation:
function of the organelle in question 4.
Using the diagram and your knowledge of biology, identify the following:
a. Organelle A_____
b. Substance A_____
c. Substance B_____function of the organelle in question 4.
Using the diagram and your knowledge of biology, identify the following:
a. Organelle A_____
b. Substance A_____
c. Substance B_____
RT 2: Regents Review!
ections: Recall what you learned in unit 1 about designing an experiment to answer the ientist is interested in the effect that the amount of glucose given to a mitochondria n unt of carbon dioxide that is produced.
scientist sets up three containers: Container 1 holds 20 mitochondria and a 0.5 %cor ainer 2 holds 20 mitochondria and a 1.0 % concentration of glucose; and Container 3 hondria and a 5.0 % concentration of glucose. 0.5 % concentration of glucose
function of the organelle in question 4.
Using the diagram and your knowledge of biology, identify the following:
a. Organelle A_____
b. Substance A_____
c. Substance B_____
RT 2: Regents Review!
ections: Recall what you learned in unit 1 about designing an experiment to answer the ientist is interested in the effect that the amount of glucose given to a mitochondria n unt of carbon dioxide that is produced.
scientist sets up three containers: Container 1 holds 20 mitochondria and a 0.5 %cor ainer 2 holds 20 mitochondria and a 1.0 % concentration of glucose; and Container 3 hondria and a 5.0 % concentration of glucose. 0.5 % concentration of glucose
RT 2: Regents Review!
ections: Recall what you learned in unit 1 about designing an experiment to answer the ientist is interested in the effect that the amount of glucose given to a mitochondria n unt of carbon dioxide that is produced.
scientist sets up three containers: Container 1 holds 20 mitochondria and a 0.5 %cor ainer 2 holds 20 mitochondria and a 1.0 % concentration of glucose; and Container 3 hondria and a 5.0 % concentration of glucose. 0.5 % concentration of glucose
write code that completes the celestialbody class. each celestialbody instance has an integer orbitlength (in days) and a integer dayssincediscovered attribute (which is initially 0). using these, write the orbit(int numberoftimes) method that adds numberoftimes * orbitlength to dayssincediscovered (e.g., if planet x has done two orbits with an orbit length of 12 days, it was discovered 24 days ago. if it then orbits another three times, it was discovered 60 days ago). also, fix the two errors in the class.
Using knowledge in computational language in python it is possible to write a code that celestialbody instance has an integer orbitlength and a integer dayssincediscovered attribute.
Writting the code:import numpy as np #IMPORTING numpy library for array operations
import math
'''Base Class CelestialBody is implemented'''
class CelestialBody:
def __init__(self,name,position,mass,radius):
self.name=name;
self.position=position
self.mass=mass
self.radius=radius
def volume(self):
return (88/21)*(self.radius)*self.radius*self.radius #volume = (4*pi*(radius^3))/3
def density(self):
vol=self.volume() #volume is calculated using volume method
return self.mass/vol #density is mass/volume
def delta_r(self,other):
return np.subtract(other.position,self.position)#numpy subtract method is used to find difference vector
def distance(self,other):
dist = np.subtract(other.position,self.position)
return math.sqrt(np.dot(dist,dist))#dot product is used to find distance between vector
'''planet class has same attributes as Celestial Body'''
class Planet(CelestialBody):
pass
'''Moon class'''
class Moon(CelestialBody):
def __init__(self,name,position,mass,radius,parent):
CelestialBody.__init__(self,name,position,mass,radius)
self.parent=parent
earth=Planet("Earth",np.array([9.978977040419635E-01, 6.586825681892025E-02, -6.320430920521123E-06]),597219e24,6371.01)
luna=Moon("Luna",np.array ([9.956768547953816E-01, 6.676030485840675E-02, 1.641093070596718E-04]),7.349e22,1737.53,earth)
mars=Planet("Mars",np.array([-1.638989837611019E+00,2.909235766064876E-01,4.607875056151672E-02]),6.4171e23,3389.92)
deimos=Moon("Deimos",np.array([-1.638943766241257E+00,2.907775944863155E-01,4.604465570526414E-02]),1.80e20,2.9,mars)
phobos=Moon("Phobos",np.array([-1.638995094538730E+00,2.909862261134459E-01,4.608601582090829E-02]),1.08e20,2.4,mars)
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The three main parts of a computer are the cpu, memory, and motherboard. Imagine you are explaining what a computer is to a kindergarten student. What analogy would you use to explain the hardware parts of a computer?.
I will use analogy like if these components, like a human body, work together to enable us to go about our daily lives. The computer and thus CPU functions similarly to the brain, performing some tasks and directing other parts, such as how the brain sends signals to our legs to cause us to walk.
Analogy Explanation:
Memory is similar to our body's memory. It records everything that has occurred as well as all calculations. There are various types of memory, but they all store information and data in the same way that we store fun events and memories in our brains to remember and possibly use later.
When we study for a test, our memory stores all of the information for us to use on the test. This is analogous to computer memory. The motherboard is analogous to our physical bodies and skin. It holds all of our organs inside and allows them to work together. The motherboard on a computer connects all of the computer's major components.
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maria turns on a computer and it doesn't boot up properly. from inside the case, she hears a series of beeps. which of the following actions will maria perform to resolve this problem?
Maria should start by inspecting for any loose internal connections. Then, she should determine if any of the parts, including the RAM, CPU, or video card, are broken.
Describe RAM.
A type of computer memory called random-access memory, which can be read and updated in any sequence, is often used to store operational data and programme code. In contrast to other direct-access data storage media (such as hard discs, CD-RWs, DVD-RWs, and the elderly magnetic media and drum recollection), random-access memory devices allow data to be peruse or written in almost the same length of time regardless of the physical place of data inside the memory.
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Ask the user to guess a number between 1 and 100 using a loop. Have them keep guessing the answer until it is correct. If the answer the user gives is too low, have it print "Guess higher". If the answer is too high, have it print "Guess lower." Use random function to make the number the user has to guess, and ask the player if they would like to play again. Print "Congrats" when the player guesses correctly.
The python program using the random function to make the number the user has to guess is as detailed below.
How to create a Python Program?Python is a programming language widely used for developing websites and software, data analysis, data visualization and task automation.
The python program for the given question is;
import random
the_number = random.randint(1, 4)
guess = 0
print(the_number)
minPossible = 0
maxPossible = 100
while guess != the_number:
guess = int(input("Please enter a number: "))
if guess > the_number:
print("Player, guess lower...\n")
if guess < maxPossible:
maxPossible = guess - 1
elif guess < the_number:
print("Player, guess higher...\n")
if guess > minPossible:
minPossible = guess + 1
else:
print("Game Over! The number was", the_number, "Congrats!")
break
guess = random.randint(minPossible, maxPossible)
if guess > the_number:
print("Computer, guess lower...\n")
maxPossible = guess - 1
elif guess < the_number:
print("Computer, guess higher...\n")
minPossible = guess + 1
else:
print("Game Over! The number was", the_number,"The Computer wins!")
print("Thank you for playing")
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A company wants to create highly available datacenters. Which of the following will allow the company to continue to maintain an Internet presence at all sites in the event that a WAN circuit at one site goes down?
A. Load balancer
B. VRRP
C. OSPF
D. BGP
A company wants to create highly available datacenters. BGP will allow the company to continue to maintain an Internet presence at all sites in the event that a WAN circuit at one site goes down.
About BGPBGP (Border Gateway Protocol) is a type of routing protocol that functions to exchange information between Autonomous Systems (AS). This BGP is a Dynamic Routing and on the proxy itself there are several kinds of dynamic routing features other than BGP such as OSPF and RIP. To exchange information, BGP utilizes the TCP protocol so that there is no need to use other types of protocols to handle fragmentation, retransmission, acknowledgment and sequencing.
Characteristics Of BGP Using distance vector routing algorithm. Distance vector routing algorithm periodically copies the routing table from router to router. Changes to the routing table are updated between interconnected routers when a topology change occurs. Used between ISPs with ISPs and clients. Used to route internet traffic between autonomous systems. BGP is Path Vector routing protocol. In the process of determining the best routes, it always refers to the best and selected path that it gets from other BGP routers. BGP routers establish and maintain peer-to-peer connections using port number 179. Inter-peer connections are maintained using periodic keepalive signals. The metrics (attributes) for determining the best route are complex and can be modified flexibly. BGP has its own routing table which usually contains the routing prefixes it receives from other BGP routersLearn more about BGP at https://brainly.com/question/9257367.
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which method of verification should be included in the two-step customer identification program (cip) process?
Driver's licences, state-issued ID cards, passports, and military IDs are among the most widely used forms of documentary identification for people.
Explain about the two steps in CIP process?For confirming each customer's identity, it must also include appropriate and workable risk-based methods. The CIP is, at its core, a two-part procedure, the first step of which is to gather identifying data, and the second of which is to confirm that the data collected actually identifies the client.
The CIP needs to outline the identifying data that will be gathered from each consumer opening an account. Name, address, date of birth (if applicable), and identity number of the consumer are required to be included.
The CIP specifies the basic criteria for financial institutions and their customers regarding ,the identity of the customer that shall apply in connection with the establishment of an account at. a financial institution.
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miguel has been practicing his hacking skills. he has discovered a vulnerability on a system that he did not have permission to attack. once miguel discovered the vulnerability, he anonymously alerted the owner and told him how to secure the system. which type of hacker is miguel in this scenario? answer white hat script kiddie gray hat state-sponsored
Select LAN Settings under the Connections tab. Select the Use a proxy server for your LAN settings check box in the Local Area Network Settings dialog box.
Go to Control Panel > Network and Internet > Internet Options to set the proxy server's IP address. Select LAN settings after clicking the Connections tab. You can enable a proxy server for the LAN and then input the proxy server's IP address and port number in the box that is presented. A VPN offers a safe external connection to the resources of an internal network. Proxy servers enable shared network connections, operate as a firewall and web filter, and cache data to speed up frequent requests.
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susan works in the research and development department. she recently purchased a large high-speed external drive and has attached the drive to her computer using a usb cable. her drive requires a minimum data transfer speed of 5 gbps and needs to have access to 600 ma/15 volts of usb power to function properly. although the correct drivers are installed, when she plugs her drive into her workstation, the drive is not working. to troubleshoot the problem, she has connected her drive to her coworker's computer, where the drive functions properly. no additional cables are required for this drive. which of the following is the most likely reason that susan's external hard drive is not working?
Susan has connected her usb drive to a USB 2.0 port that is insufficiently powered for her usb-drive.
Susan has connected her drive to a USB 2.0 port, which does not support the drive's requirements. Large high-speed USB drives necessitate more power than USB 1.0 or 2.0 can supply. USB 2.0 has a maximum bandwidth of 480 Mbps, which is sufficient for Susan's drive. The maximum power consumption of a 2.0 port is 500 milliamps.
What is Bandwidth?
Bandwidth is the capacity of a computer network to transfer data in bits per second (Bps). The term can also be used colloquially to describe a person's current capacity for tasks or deep thoughts.
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write a verilog description for a 3-8 decoder with one enable high input which will generate a low output chegg
Verilog is a hardware description language (HDL) for modeling electronic systems that is standardized as IEEE 1364. A verilog description for a 3-8 decoder with one enable high input which will generate a low output is:
What is Verilog?Verilog is a hardware description language (HDL) that is used to model electronic systems and is standardized as IEEE 1364. The design and verification of digital circuits at the register-transfer level of abstraction are where it is most frequently used. In addition, it is applied to the design of genetic circuits as well as the verification of analog and mixed-signal circuits.
In order to create IEEE Standard 1800-2009, the Verilog standard (IEEE 1364-2005) and the SystemVerilog standard were combined in 2009. Since that time, Verilog has been a recognized member of the SystemVerilog language. The most recent iteration is IEEE standard 1800-2017.
//Verilog description//
1 module decoder (in,out);
2 input [2:0] in;
3 output [7:0] out;
4 wire [7:0] out;
5 assign out = (in == 3'b000 ) ?
8'b0000_0001 : 6 (in == 3'b001 ) ?
8'b0000_0010 : 7 (in == 3'b010 ) ?
8'b0000_0100 : 8 (in == 3'b011 ) ?
8'b0000_1000 : 9 (in == 3'b100 ) ?
8'b0001_0000 : 10 (in == 3'b101 ) ?
8'b0010_0000 : 11 (in == 3'b110 ) ?
8'b0100_0000 : 12 (in == 3'b111 ) ?
8'b1000_0000 : 8'h00; 13
14 endmodule
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You have decided to establish a VoIP system in your home. Which of the following devices is necessary to connect your analog telephone to your VoIP server? a. Codec b. IP-PBX c. Softphone d. ATA
The device which is necessary to connect the analog telephone to the VoIP server is d. ATA
ATA is an abbreviation for analog telephone adapter which is used to connect a standard telephone to a network or computer so that the user can make calls over the Internet.
Analog telephone adapters create a physical connection between a phone and a network device or computer; some ATA perform analog-to-digital conversion and connect directly to a VoIP server, while some ATA uses software for either or both of these tasks.
The simplest type of ATA consists of one or more RJ-11 jacks to plug a telephone into and a USB connector that plugs into the user's laptop, computer, or handheld device. This ATA often works in conjunction with some type of software (generally a softphone program). The software serves as an intermediary between the VoIP server and a telephone, digitizing voice data so that it can be transmitted over the Internet.
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what is a data model used to analyze and communicate data needs at the individual project or application level using graphical symbols to identify data entities and relationships.
An entity–relationship model describes interrelated things of interest in a specific domain of knowledge.
What is entity relationship diagram?An entity-relationship model illustrates how several topics of interest relate to one another in a particular field of knowledge. An ER model's foundational components are entity types and interactions between entity types. An entity relationship model (ERM), also referred to as an entity relationship diagram (ERD), is a graphical representation that shows the connections between individuals, things, locations, ideas, or events inside an information technology (IT) system. In order to define the relationship between the database entities, it serves as a framework built using specific symbols. Entities, attributes, and relationships are the three main building blocks used to make ER diagrams. One or more of a school management system's entities include a department, administration, courses, teachers, students, and buildings.To learn more about entity relationship diagram refer to:
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Tina is using the Table Analyzer. She has already moved the fields she wants from one table to another. A portion of her screen is shown.
(the image wouldnt load on this one sorry.)
What does Tina need to do before clicking Next?
a. She needs to rename Table 1.
b. She needs to delete “tblRetailers.”
c. She needs to choose a primary key for Table 1.
d. She needs to select the table to be analyzed.
The thing that Tina need to do before clicking Next is option a. She needs to rename Table 1.
Why renaming Excel table?Select the cell or the range of data to rapidly build a table in Excel. Go to Home and click Format as Table. Select a table design. If you want the first row of the range to be the header row, check the box next to My table as headers in the Format as Table dialog box, and then click OK.
Your charts and PivotTables will update immediately when you use tables to swiftly sort and filter your data, add new records, and add records. Another one of my favorite features, "Named Ranges," is similarly handled using tables. In my Excel Intermediate course, named ranges are covered.
Therefore, You can give each table a name to make it simpler to refer to it, for instance, in a workbook with numerous tables.
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when setting up a number of hosts to serve the exact same set of content via http servers, what can you confiugure as a method
We are setting up a number of hosts to serve the exact same set of content via HTTP servers. To ensure the traffic is distributed evenly, we will use a load balancer.
When setting up a number of hosts to serve the exact same set of content via HTTP servers?Use a load balancer to ensure traffic is distributed evenly between the hosts.Configure your servers for high availability so that if one host fails, the other hosts will automatically take over and serve the content.Ensure that each host has the same content by setting up a distributed version control system, such: as Git, and commit content to a central repository.Configure the servers with the same web server software, such as: Nginx or Apache, and ensure the same configuration is applied to all hosts.Use a content delivery network (CDN) to ensure the content is delivered quickly, no matter where the user is located.Monitor and log the performance of each host to ensure uptime and performance standards are met.We will configure the servers for high availability and ensure the same content is served on all hosts by setting up a distributed version control system. The web server software will be the same across all hosts, and we will use a CDN for fast content delivery. We will also monitor and log the performance of each host to ensure uptime and performance standards are met.
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USB 3.0 can plug into a 2.0 port, but will only transmit at the speed of a USB 2.0 true or false
Answer:
true
Explanation:
USB 3.0 backwards is compatible—meaning it's designed to work with older USB versions including USB 2.0 and USB 1.1. You can plug a USB 2.0 device into a USB 3.0 port and it will always work, but it will only run at the speed of the USB 2.0 technology.
(fill in the blank) this service may be the most important service on the internet, because many people who have no other use for the internet use it.
Email is the service may be the most important service on the internet, because many people who have no other use for the internet use it.
What is Email?
Electronic mail, abbreviated "email," is a method of communication that uses electronic devices to deliver messages across computer networks. The term "email" refers to both the delivery system and the individual messages sent and received.
Email has existed in some form since the 1970s, when programmer Ray Tomlinson devised a method to send messages between computer systems connected to the Advanced Research Projects Agency Network (ARPANET). With the development of email client software (e.g., Outl_ook) and web browsers, modern forms of email became widely available for public use, allowing users to send and receive messages over the world wide web using web-based email clients (e.g. G_mail).
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Identify the statement that will throw an error in the following code?
class Student {
public:
void SetName(string studentName);
void Display();
private:
string name;
char grade;
int Grade();
};
void Student::Display() {
grade = Grade();
...
}
int Student::Grade(){
...
}
void SetName(string studentName) {
name = studentName;
}
int main() {
Student stu1;
stu1.Display();
...
stu1.Grade();
}
a. stu1.Grade();
b. stu1.Display();
c. int Student::Grade()
d. void Student::Display() {
grade = Grade();
}
Below is the java code with the statement that will throw an error in the following code are as follows:
Compilation failed due to following error(s).
Main.java:2: error: illegal start of type
public:
Main.java:5: error: illegal start of type
private:
Main.java:10: error: class, interface, or enum expected
void Student::Display() {
Main.java:12: error: class, interface, or enum expected
Main.java:19: error: class, interface, or enum expected
Main.java:22: error: class, interface, or enum expected
stu1.Display();
Main.java:23: error: class, interface, or enum expected
Main.java:25: error: class, interface, or enum expected
Main.java:27: error: class, interface, or enum expected
b. stu1.Display();
Main.java:28: error: class, interface, or enum expected
c. int Student::Grade()
Main.java:31: error: class, interface, or enum expected
11 errors
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2.)For a given mean and standard deviation, the __________ function in Excel is used to generate a value for the random variable characterized by a normal distribution.
a.)NORM.INV()
b.)RAND()
c.)VLOOKUP()
d.)FREQUENCY()
The NORM.INV() function in Excel is used to generate a value for the random variable with a normal distribution for a particular mean and standard deviation.
Variable — what is it?
In computer coding, a variable is a designated container for a certain set of bits or kind of information. A variable is an abstract storage place with an associated symbolic name that stores some unknown or known amount of data referred to as a value (like integer, float, string etc...). Eventually, a memory address could be used to link or identify a variable. In addition to using the variable name or the variable itself, depending on the situation, the stored value is typically referred by the variable name.
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1.3-2 Packet switching versus circuit switching (1). Which of the characteristics below are associated with the technique of packet switching? Please select all correct choices. Note: Each wrong answer carries 33.33% penalty! Select one or more: Reserves resources needed for a call from source to destination. Resources are used on demand, not reserved in advance. Data may be queued before being transmitted due to other user's data that's also queueing for transmission. Frequency Division Multiplexing (FDM) and Time Division Multiplexing (TDM) are two approaches for implementing this technique. Congestion loss and variable end-end delays are possible with this technique. 그 그 This technique is used in the Internet. This technique was the basis for the telephone call switching during the 20th century and into the beginning of this current century.
Two methods for putting this technique into practice are frequency division multiplexing (FDM) and time division multiplexing (TDM).
Multiple data streams can be transmitted over a single channel using TDM. where each signal has a fixed-length time slot for it. In contrast, FDM divides the overall bandwidth into a number of non-overlapping frequency bands, each of which transmits a different signal.
In FDM, separate signals are given their own channels, each of which occupies a different frequency band, and the time is divided into multiple fixed duration slots that are allotted to the signals in a round-robin fashion.
The entire frequency band that is available in TDM is used on a time-sharing basis, whereas in FDM the entire frequency band is divided into multiple channels, each of which is separated by a space.
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as a cable company technician, you need to use a fiber optic sc connector to connect a device to the company's fiber optic network. the connector includes the following unique characteristics: it uses a ceramic ferrule to ensure proper core alignment and to prevent light ray deflection. it is half the size of other fiber optic connectors. which of the following is the sc connector? (select the correct connector type.)
As a cable company technician, you need to use a fiber optic sc connector to connect a device to the company's fiber optic network, the option that is the sc connector is: B - SC connector.
What is a SC connector?
Subscriber Connector, abbreviated SC, is also known as Square Connector or Standard Connector. Due to its low cost, dependability, and ease of installation for both point-to-point and passive optical networking, it is a widely used fiber-optic connector.
Hence, (Subscriber Connector, Standard Connector) a connector for fiber optic cables that operates on the same push-pull latching principle as standard audio and video connectors.
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if a vim user wants to use a command that is similar to the windows copy command, what command should they use?
If a vim user wants to use a command that is similar to the windows copy command, they will choose command "y".
What is Vim command?An improved version of the Vi editor, Vim, is a text editor that is more compatible with Vi. Vi editors are most frequently used to create new files, modify existing files, or just read files. When editing various types of plain text, the Vim editor is more beneficial. More editing software uses this command.The Vi editor has undergone numerous improvements, including the ability to open multiple windows at once, multi-level undo options, buffers, syntax highlighting, filename completion, command-line editing, online help, and many others.Linux code implementation and fundamental Vim commands.To learn more about command, refer to
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Ethan is working on two related tables in Access as shown in the diagram below.
When Ethan tries to delete row 7, an error message appears on the screen stating that the record cannot be deleted or changed. Which conclusion is best supported by the information provided?
a. The relationship between the tables was not saved for Product 0006.
b. The tables do not share a one-to-one relationship for Product 0006.
c. Referential Integrity is enabled, and row 7 includes related records.
d. Cascade Delete Related Records is enabled for row 7.
The option conclusion that is best supported by the information provided is c. Referential Integrity is enabled, and row 7 includes related records.
What happens in Excel when a row is deleted?Other rows or columns automatically move up or to the left when you delete rows or columns. To delete fields, columns, or records, simply open the table in Datasheet view, make your selections, and then press the DELETE key.
You simply use the function deleteRow after advancing the cursor to the desired row. Make sure you are viewing in "Normal" mode. To verify, click the sheet tab where the problem occurs, select the View tab from the ribbon, and verify that "Normal" is chosen in the Workbook Views group. Try once again inserting or deleting rows and columns.
Note that Referential integrity describes how the tables relate to one another. Every table in a database needs to have a primary key, which can appear in other tables because of its connection to the data in those other tables. It is referred to as a foreign key when the primary key from one table appears in another table.
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which of the following types of networks would be created if a wireless access point, a microwave link, and a satellite link were combined in a mesh?
PAN WMN is the correct answer. A cloud provider hosts applications and makes them online accessible to customers as part of the software as a service (SaaS) distribution paradigm.
An RFID tag must be communicated with by a scanner using radio waves in order to be used for inventory management. The tag itself has a microprocessor software that enables the reader to read data from the tag as well as write data to it for in-place real-time updating. The Internet, sometimes known as "the Net," is a global system of computer networks. It is a network of networks that allows users at any one computer to obtain information from any other computer with permission (and sometimes talk directly to users at other computers).
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A bank would like to enhance building security in order to prevent vehicles from driving into the building while also maintaining easy access for customers. Which of the following BEST addresses this need? A. Guards B. Bollards C. Motion sensors D. Access control vestibule
Since the bank would like to enhance building security in order to prevent vehicles from driving into the building while also maintaining easy access for customers. The BEST term that addresses this need is option C. Motion sensors.
What is a motion sensor, exactly?A motion sensor is seen as a gadget that tracks actual movement on a thing or in the surroundings. It has the capacity to instantly recognize and record kinetic and/or physical actions. A motion detector is another name for a motion sensor.
Therefore, Since the bank wants to know before hand, the use of a motion sensor, sometimes known as a motion detector, is a piece of technology that use a sensor to find nearby individuals or objects. Any security system needs motion sensors as a crucial part. A sensor will alert your security system and, with newer systems, your cell phone when it senses motion. Hence, it is the best.
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while kari was searching the internet, her computer was infected by a virus. what problem can kari expect as a result?
Answer:
The virus will attach itself to the computer's RAM, then attach itself to executable files in RAM.
Explanation:
which mode specifier will erase the contents of a file if it already exists and create the file if it does not already exist?
The pop() method can be used to delete particular list items. The element at the specified index is removed by the pop() method, which takes the index value as an argument.
a string TrimEnd creates a new string object by removing characters from the end of a string. The characters to be eliminated are specified in an array of characters that is supplied to this procedure. When a class instance is created, the __init__ special method is immediately called. Another name for it is class constructor. For binary files, the line terminator is always b'n'; for text files, the newline parameter to open() can be used to choose the recognized line terminator(s).
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What type of malicious software is designed to replicate itself to other computers?.
So, a computer worm is a standalone malware computer program that replicates itself in order to spread to other computers.
What is Computer worm?
When you think of the word "worm," you could have a few ideas in mind. You might envision sweet, chewy, soft sweets with a hint of sourness. You might also picture the wriggling, cold-blooded invertebrate creatures that live on the surface of the Earth. And if you're thinking in terms of computers, malware might come to mind.
Computer worms, like real worms, frequently rely on deception to infect their hosts, thus you could argue they don't have much of a backbone. They can be ruthlessly destructive, which may give them the appearance of being a little cold-blooded. Learn more about them now.
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c write the code that creates an object of type rectangle named box1 using a no argument constructor.
Answer:
JAVA
Rectangle box1 = new Rectangle();