In July 1901, New Scotland Yard (Metropolitan Police) established the fingerprint branch. It made use of the Henry system for classifying fingerprints.
When did police utilize fingerprints for the first time?Inspector Eduardo Alvarez created the first criminal fingerprint identification in Buenos Aires, Argentina in 1892. Francisca Rojas, a woman who killed her two boys and then cut herself in an effort to shift the responsibility, was recognized by him.
What is the fingerprint's past?Galton invented the fingerprinting system first. Sir William J. Herschel's work, which collection began in 1857 when he forcibly pushed a building supplier to put his handprint on the back of a contract in order to avoid paying, served as the inspiration for his three-point identification method.
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You are asked to construct a server cluster to provide resilience to the webserver hosted by your enterprise. Which of the following clustering systems should you implement to ensure the standby server only works when the other server fails?a. Independentb. Uniquec. Symmetricd. Asymmetric
The clustering systems should you implement to ensure the standby server only works when the other server fails is asymmetric. The correct option is d.
What is a clustering system?Clusters are collections of managed servers that take part in workload distribution. Nodes or individual application servers can be found in a cluster.
A node is often a real computer system running one or more application servers and having a unique host IP address. Modern computer clusters must make use of clustered file systems.
Therefore, the correct option is d. Asymmetric.
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3. An engineer has planned to use Class B network 172.19.0.0 and a single subnet mask throughout the network. The answers list the masks considered by the engineer. Choose the mask that, among the answers, supplies the largest number of hosts per subnet, while also supplying enough subnet bits to support 1000 subnets.
Answer:
11 bits
Explanation:
A Class B network, such as the one described in the question, has an address range of 172.16.0.0 to 172.31.255.255. In order to use a single subnet mask throughout the network, the engineer must choose a mask that provides enough subnet bits to support 1000 subnets while also allowing for a large number of hosts per subnet.
The largest number of hosts per subnet is provided by a mask with the fewest number of subnet bits. However, this would not be sufficient to support 1000 subnets. Therefore, the engineer must choose a mask that provides a balance between the number of hosts per subnet and the number of subnet bits.
One possible mask that meets these criteria is 255.255.248.0. This mask provides 21 subnet bits, which is enough to support up to 2^21 = 2097152 subnets. It also provides 11 host bits, which allows for up to 2^11 = 2048 hosts per subnet. This is the largest number of hosts per subnet among the masks considered by the engineer, while also providing enough subnet bits to support 1000 subnets.
Jamie is creating a graph. She highlighted the appropriate data and labels. Next she should _____.
use the command for creating a graph or chart
open a second spreadsheet
click on each cell
deselect the highlighted area
open a second spreadsheet
click on each cell
your organization is having issues with a custom web application. the application seems to run fine for a while but starts to lock up or crash after seven to ten days of continuous use. examining the server, you notice that memory usage seems to climb every day until the server runs out of memory. the application is most likely suffering from which of the following?
Memory usage seems to climb every day until the server runs out of memory ,the application is most likely suffering from Memory Leak.
What is Memory?Memory is a system or device used in computing to store data for immediate use in a computer, associated computer hardware, or digital electronic devices. Primary storage and main memory are frequently used interchangeably when referring to one another. Store is a dated word that describes memory.The computer memory is split up into a great deal of little pieces called cells. An individual address for each cell ranges from 0 to memory size minus one. Volatile (RAM) and non-volatile are the two types of computer memory (ROM). Hard discs used as auxiliary memory are referred to as storage rather than memory.To learn more about Memory refer to:
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any object can be pickled before it is saved to a file, and then unpickled as it is loaded from a file into a program.
a. true
b. false
Unpickling an object after it has been pickled before saving it to a file or loading it into a program from a file is possible.
How is an object transformed into a stream of bytes that may be stored in a file?An object is transformed into a stream of bytes through the serialization process in order to be stored in memory, transmitted to a database, or written to a file. Its major objective is to record an object's state so that it can be recreated later on. The technique employed to do the reverse is deserialization.
Which operator should you use to check the object identities of two objects?The equality operators == and!= can be used to determine whether two objects have the same data. You must use the identity operators is or is not to determine whether two things are identical.
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explain software redundancy techniques
Answer:
Software redundancy techniques are methods used to ensure the reliability and availability of software systems. These techniques involve adding extra layers of functionality or data to a software system, so that if one component fails, the system can still function using the redundant component. This can improve the reliability and availability of the system, and reduce the likelihood of failures or disruptions.
Some examples of software redundancy techniques include:
Mirroring: This involves creating an exact copy of a system or data, and storing it on a separate server or location. If one system or data set fails, the other can be used as a backup.Redundant arrays of independent disks (RAID): This involves using multiple disk drives to store data, so that if one drive fails, the data can be reconstructed using the other drives.Load balancing: This involves distributing workloads across multiple servers or systems, so that if one system fails, the workload can be handled by the others.Overall, software redundancy techniques are an important way to improve the reliability and availability of software systems, and to reduce the impact of failures or disruptions on the operation of the system.
What does the Deliverables section of the test plan indicate?
O A. risks to testing
O B. features that you will not test
O C. output of the testing phase
O D. features that you will test
D. features that you will test
Explanation:The Deliverables section of the test plan indicates the features that are intended to be tested during the testing phase. It lists the items subject to testing so that the development team can be sure to include all desired functionality.
If you have any additional questions or need further assistance, please let me know.
During a recent site survey, you found a rogue wireless access point on your network. Which of the following actions should you take first to protect your network while still preserving evidence?
Disconnect the access point from the network.
Note that if during a recent site survey, you found a rogue wireless access point on your network. The next step or action actions you should take first to protect your network while still preserving evidence is "Disconnect the access point from the network" This will enhance your network security. (Option C)
What is a rogue wireless access point?A rogue access point is a wireless access point that has been introduced to a secure network without the explicit permission of a local network administrator, whether by a well-meaning employee or a malevolent attacker.
A rogue access point might be a tiny wireless access point hooked into an existing firewall or switch, or into an unused wall network socket (such as at a personal workstation), or any combination of these. A mobile device connected to a USB that produces a wireless access point, or even a wireless card inserted into a server, might be used.
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Full Question:
During a recent site survey, you found a rogue wireless access point on your network. Which of the following actions should you take first to protect your network while still preserving evidence?
Run a packet sniffer to monitor traffic to and from the access point.Connect to the access point and examine its logs for information.Disconnect the access point from the network.See who is connected to the access point and attempt to find the attacker.what are some examples of artificial intelligence in education?
write four things you shouldn't be doing in the lab
Answer:
1.Dont touch anything unless told to do so
2.Avoid sending food at the lab
3.Always listen to instructions before taking an action
4.Dont misbehave at the lab during lesson
subject: time correction: today, 11/29 via zoom: entre nous: thinking translation with gayatri spivak and emily apter
Elaborate please...............
sam wants to count the number of cells between b1 and b20 that contain numbers in them. which of the following formula should he use to do so?
Sam wants to count the number of cells between b1 and b20 that contain numbers in them. The formula that should be used is COUNT(B1:B20). The correct option is a.
What are cells in Excel?The grid-like boxes in an Excel spreadsheet like this one are called cells. On a worksheet, each cell is identifiable by its reference, the column letter, and the row number that crosses the cell's position.
This cell is cell D5 because it is in column D and row 5. In a cell reference, the column is always referenced first. Click the column header only. The number of rows will be displayed in the status bar in the Excel window's lower right corner.
Therefore, the correct option is a, =COUNT(B1:B20).
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The question is incomplete. Your most probably complete question is given below:
=COUNT(B1:B20)
=ROUND(A5,2)
=DATE(1998,1,12)
=DATEVALUE("01/01/2017")
which of the following statements are incorrect? question 37 options: final variable must be initialized at the time of declaration all arrays contain an attribute-length which contains the number of elements stored in the array variables declared as final occupy memory arrays in java are implemented as an object
Variables declared as final occupy memory.
ADVANTAGES OF JAVASun Microsystems first introduced Java, a general-purpose, high-level programming language, in 1995. It is free to use, cross-platform, and intended to have as minimal implementation requirements as possible. It is class-based, object-oriented, and concurrent. Java is, in a nutshell, a computing platform on which users can create programs.Similar to C++, Java has been reduced to remove language features that frequently result in programming errors. The source code files, or files with a.java extension, are converted into bytecode, or files with a.class extension, in a process called as compilation. An interpreter for Java can then run this. A just-in-time compiler can translate bytecode straight into machine language instructionsIt's simple to learn Java. There is no prerequisite knowledge of fundamental programming languages needed to use the language. Java is not compiled into a platform-specific machine when it is compiled, unlike other programming languages like C++. This implies that a program can be simply performed on any other machine without requiring any changes after being compiled on one.Due to Java's multithreading capabilities, users may create interactive apps that function without a hitch. Systems free of viruses and tampering can be created using its security features. Public-key encryption serves as the foundation for authentication methods.
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A user reports that he cant browse to a specific website on the internet. From his computer, you find that a ping test to the Web server succeeds. SA traceroute test dhows 17 hops to the destination web server. WHats the cause of the problem?
Answer:
Incorrect DNS server address
Explanation:
1. What is artificial intelligence and why is it useful in information systems?
2. Summarize the history of artificial intelligence detailing its origin and future state in technology today.
3. Is artificial intelligence the same thing as machine learning? Explain.
WRONG ANSWERS WILL GET REPORTED THANK YOU
Explanation:
1.Artificial intelligence is the simulation of human intelligence processes by machines, especially computer systems.Artificial neural networks and deep learning artificial intelligence technologies are quickly evolving, primarily because AI processes large amounts of data much faster and makes predictions more accurately than humanly possible.
2.A Brief History of Artificial Intelligence
1956 - John McCarthy coined the term 'artificial intelligence' and had the first AI conference. 1969 - Shakey was the first general-purpose mobile robot built. It is now able to do things with a purpose vs. just a list of instructions.
Artificial Intelligence Future
Artificial intelligence is shaping the future of humanity across nearly every industry. It is already the main driver of emerging technologies like big data, robotics and IoT, and it will continue to act as a technological innovator for the foreseeable future.
3.While AI and machine learning are very closely connected, they're not the same. Machine learning is considered a subset of AI.
After modifying the /etc/aliases file, what command must be run in order to rebuild the aliases database?
Group of answer choices
mail
alias
newaliases
sendmail
The newaliases command must be used to rebuild the aliases database after making changes to the /etc/aliases file.
What do you mean by newaliases ?In Linux, an utility called netstat is available for tracking and reporting data on network services. Actually, the Netstat command set is a collection of tools for reporting statistics on many parts of your network, such as which programs are using which ports.
The primary command used by this check to determine the CVM or host's NTP synchronization status is "ntpq -pn." To what remote peer or server is remote being synchronized? 127.127.
The alias database is rebuilt using the /etc/aliases file by the newaliases command. It must be launched each time this file is modified for the modifications to take effect. Running this command has the same effect as running sendmail with the -bi parameter.
Therefore the correct answer is newaliases.
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Write a program that prints out the numbers in the Fibonacci sequence up until the max number. You can figure out the next number in the Fibonacci sequence by adding the two previous numbers.
The first number is 1 and the second number is 1 . To get the third number we take 1+1=2. To get the fourth number we take the second number plus the third number (1+2=3).
Here is a sample run of the program.
Answer:
max = int(input("Enter a max number: "))
a = 1
b = 1
print(a)
print(b)
while a + b <= max:
c = a + b
print(c)
a = b
b = c
What is output by the following algorithm?
notice = "Please do not walk on the grass"
stringLength = notice.length
left = notice.left(11)
right = notice.right(11)
print(stringLength)
print(left)
print(right)
3 mark question
please help hw due soon
Answer:
The algorithm will output the length of the string "Please do not walk on the grass", the first 11 characters of the string, and the last 11 characters of the string. For example, the output might look something like this:
35
Please do no
walk on the g
Which business subscription does not include the Microsoft 365 Apps for Business desktop applications to install locally on the machine
Answer:
Business Premium
Explanation:
Divide the following string of binary numbers into 8-bit binary numbers and then convert each 8-
bit binary number into equivalent text by using the ASCII code.
0101010101101110011010010111010001111001
Answer:
Unity
Explanation:
ASCII stands for American Standard Code for Information Interchange.
It contains a total of 256 characters.
It is a subset of UTF-8, which includes printable characters( like uppercase letters, lowercase letters, and digits) and control characters.
The ASCII values for digits [0-9] range from [4-57], and for uppercase letters[A-Z] range from[65-90], and for lowercase letters[a-z] range from[97-122].
Dividing the 8-bit binary numbers into each 8-bit binary number:
01010101, which, when added (using binary conversion), will equal 85, i.e., U (in ASCII table).
01101110, which, when added (using binary conversion), will equal 110, i.e., n ( in ASCII table).
01101001, which, when added (using binary conversion), will equal 105, i.e., i ( in ASCII table).
01110100, which, when added (using binary conversion), will equal 116, i.e., t ( in ASCII table).
01111001, which, when added (using binary conversion), will equal 121 i.e., y ( in ASCII table).
So, the 0101010101101110011010010111010001111001 is equivalent to Unity using ASCII code.
A _________ consists of a set of computers that interconnect by means of a relatively unsecure network and makes use of encryption and special protocols to provide security. A. proxyB. UTMC. VPND. stateful inspection firewall
Answer:
VPN
Explanation:
NA
Which of the following authentication methods allows you to securely connect a printer to the wireless network with the least amount of effort?
Wi-Fi Protected Setup (WPS) is an authentication method that allows you to securely connect a printer to a wireless network with the least amount of effort.
How WPS works?WPS uses a simple push-button or pin-based authentication process to quickly and easily establish a secure connection between the printer and the wireless network.
This eliminates the need to manually enter complex security settings or passphrases, making it easier and more convenient to connect the printer to the network.
WPS is supported by many modern wireless routers and printers, and it is often the recommended method for setting up a secure wireless connection.
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A blogging site is a social media platform where users post news items and hold conversations on specified topics.
a. true
b. false
Describe three ways in which your activities affect the environment. Are these effects positive or negative?
Answer:
1. Transport: Driving a car or using public transport has a direct effect on the environment due to emissions of carbon dioxide, nitrogen oxides, and other pollutants. These emissions are generally considered to be negative since they contribute to air pollution and climate change.
2. Consumption: Buying and using consumer goods can have a negative effect on the environment due to the energy used in production, transportation, and disposal. Additionally, the materials used to make the goods can be harmful to the environment if not disposed of properly.
3. Waste: Producing, storing, and disposing of waste can have a significant effect on the environment. Improper disposal can lead to leaching of toxic chemicals into the soil and water, as well as release of methane gas into the atmosphere. The effects of improper waste management are generally considered to be negative.
Explanation:
which of the following is used to create a subset of data that matches certain criteria and that can be saved for future reference or use?
Query is used to create a subset of data that matches certain criteria and that can be saved for future reference or use.
What is wizard query?You can build four different sorts of queries using the query wizard to access and change the data in your database. You can generate the following types of queries using the query wizard: First Question. Give the Base's Name and Address. Query Wizard should be used. Click Query Wizard under the Queries group on the Create tab. Click Simple Query Wizard, then OK, in the New Query dialog box. You can use the Query Wizard to automatically create Query Pairs from a pair of Connections. This is helpful for business analysts, SMEs, and other team members who aren't familiar with SQL but are knowledgeable about data and business rules.
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What is a benefit of 5G mmWave technology?
Answer:
One of the main benefits of 5G mmWave technology is that it offers much faster speeds than previous generations of cellular technology.
Explanation:
Because mmWave signals can transmit data at very high frequencies, they have the potential to support data rates that are many times faster than what is currently possible with 4G technology. This can enable a wide range of new applications and services, such as ultra-high-definition video streaming, virtual reality, and other high-bandwidth uses. Additionally, because mmWave signals can transmit data over shorter distances than lower frequency signals, 5G mmWave technology can also support higher density of connected devices in a given area, which is important for applications like smart cities and the Internet of Things.
The fact that 5G mmWave development goal is substantially faster bandwidth than earlier cellular equipment iterations is one of its primary advantages.
What is technology?Technology, also referred to as the transformation and alteration of the living activity, is the implementation of scientific findings to the practical goals of human life.
Wide-ranging new products and services, including ultra-high definition streaming content, virtual worlds, and many other high-bandwidth applications, may be made possible as a result.
Further, 5G mmWave technology may enable a higher density of mobile networks in a specific area, which is vital for uses like smart cities and indeed the Internet of Things. This is possible when mmWave signals can transport data over relatively short distances with lower frequency signals.
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which of the flowing is not a correct statement regarding firewalls
Answer:
it is unable to permit legitimate communication to pass
match the following descriptions of deadlock prevention approaches to their respective terms group of answer choices make resources sharable, read-only approach hold and wait queue resource requests, limit number of requests a process isallowed to make circular wait once resource is allocated do not allow interruption mutual exclusion prioritize resources and indirectly processes [ choose ] A. Hold & Wait B. mutual exclusion c. no preemption D. Circular Wait
Hold & Wait prioritizes resources and indirectly affects processes while excluding deadlock interruptions.
What may be done to avoid deadlock the best?Hold on a moment. not a preemption. Wait in circles. Avoiding deadlock. By removing any of the four aforementioned conditions, we can avoid deadlock. Take away Mutual Exclusion. Because some resources, like the tape drive and printer, are by nature not shareable, it is impossible to satisfy the mutual exclusion.
Deadlock prevention algorithm: what is it?Deadlock describes this circumstance. A deadlock avoidance method arranges how each process uses resources so that at least one process is always able to receive all the resources it requires.
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of the following protocols, which are commonly used to to communicate with an aaa server? l2tp and pptp tcp and udp radius and tacacs kerboros and rdp
TACACS+ employs the Transmission Control Protocol (TCP) and encrypts the username, authorisation, and accounting for the session in addition to the user's password. TACACS+, created by Cisco, is often used on AAA servers on Cisco networks and encrypts the entire content of each packet.
How does TACACS+ function? What is it?
TACACS+ is a remote authentication protocol that enables communication between a remote access server and an authentication server to confirm user access to a network. TACACS+ enables a client to accept a username and password and send an authentication request to a TACACS+ server.
What are RADIUS and TACACS?
Two popular security protocols that are used to give centralized access into networks are Remote Access Dial In User Service (RADIUS) and Terminal Access Controller Access-Control System Plus (TACACS+).
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Assignment 3 chatbot help please.
To write the code for this exercise, we must be familiar with Python's computational language.
Describe the code ?The image that is attached contains this code.The code is explained as follows to make it clearer:import random
good_responses = (["That's cool!", "Wow!", "That's great to hear!", "Tell me more"])
bad_responses = (["I'm sorry", "That sad"])
first_name = input("What's your first name? ")
last_name = input("What's your last name? ")
print("Hello {first_name} {last_name}, nice to meet you!")
age = int(input(f"How old are you, {first_name}? "))
if age > 17: print("Wow, you're old enough to vote!")
else: print("Quite young, aren't you.")
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