Answers:
C. Lack of vendor support.
Explanation:
In formation technology, network administrators and engineers experience network security thread due to a large number of vulnerabilities from poorly configured security protocols and end of life of network devices, which results from the outdated nature of a device leading to the end of continual upgrade of the system to allow current and more secure network configuration protocols.
The lack of vendor support is not discussed because the standard OSI and TCP network model are supported by most network device vendors.
You've decided to use a subnet mask of 255.255.192.0 with your 172.17.0.0 network to create four separate subnets. The network ID for one of the subnets is 172.17.0.0. You are installing the first host (a server) on this subnet and want to assign the lowest numbered IP address possible to this system. What should you do?
Answer:
Assign the system an IP address of 172.17.0.1
Explanation:
Based on the information provided within the question it can be said that in this scenario you need to assign the system an IP address of 172.17.0.1 . This is because since you want the lowest possible IP address and since there is a subnet with an IP of 172.17.0.0 then the next lowest address would be by adding 1 to the last digit making it 172.17.0.1
Final answer:
The first usable IP address for the server on the subnet 172.17.0.0 with a subnet mask of 255.255.192.0 is 172.17.0.1.
Explanation:
To assign the lowest numbered IP address possible to the first host on the subnet with a network ID of 172.17.0.0 and a subnet mask of 255.255.192.0, you should use the first usable IP address in that range. The subnet mask of 255.255.192.0 indicates that the first two octets (172.17) are fixed for network identification, and the third octet will bring additional subnets.
The subnet mask divides the address space into four subnets, each incrementing by 64 in the third octet (since 192 in binary is 11000000). Thus, the possible subnets are 0, 64, 128, and 192. For subnet 172.17.0.0, the first usable address is the one immediately following the subnet address. You would therefore assign the IP address of 172.17.0.1 to the server, with the last octet as '1' since this is the first usable host address.
n a poll, 6767% of Internet users are more careful about personal information when using a public Wi-Fi hotspot. What is the probability that among threethree randomly selected Internet users, at least one is more careful about personal information when using a public Wi-Fi hotspot? How is the result affected by the additional information that the survey subjects volunteered to respond?
Answer:
The probability that among three randomly selected Internet users, at least one is more careful about personal information when using a public Wi-Fi hotspot is 0.964
If the survey subjects volunteered to respond , then those with the strongest opinions are most likely respond. The survey sample is then not randomly selected, the survey may have a response bias.
Explanation:
Let P(at least one is more careful about personal information when using a public Wi-Fi hotspot) denote the probability that among three randomly selected Internet users, at least one is more careful about personal information when using a public Wi-Fi hotspot, then we have the equation
P(at least one is more careful about personal information when using a public Wi-Fi hotspot) = 1 - P(none of the selected users is more careful about personal information when using a public Wi-Fi hotspot)
If 67% of Internet users are more careful about personal information when using a public Wi-Fi, then 33% of them are not.P(none of the selected users is more careful about personal information when using a public Wi-Fi hotspot) = [tex]0.33^{3}[/tex] ≈ 0.036
P(at least one is more careful about personal information when using a public Wi-Fi hotspot) = 1 - 0.036 = 0.964
An associate is seeking advice on which device to purchase for a friend who is a business owner. The friend needs the ability to chat activity while keeping in contact with the home office. Which of the following would be the BEST recommendation?
A. Smart watch (Correct)
B. Fitness monitor
C. Global positioning sensor
D. Portable hotspot (Incorrect)
The best recommendation in the mentioned scenario would be a smart watch.
Answer: Option A.
Explanation:
The best device for a business owner who needs an access to chat as well as to be in touch with the home office would be a smart watch. A smart watch is similar to a mobile device, which is worn on a wrist and which has a touchscreen display.
The benefits of smart watch are numerous. It makes us updated about everything without using our smartphone. The smart watch will help the business owner to engage with others and to handle his work at the same time.
Web beacons are tiny graphics files embedded in email messages and web pages that are designed to monitor online Internet user behavior.A. TrueB. False
Answer:
A. True.
Explanation:
Web analytics is a skill that employs data analytics to analyze the web data generated by web users to decision business decision and adjustment on the business website.
For a web developer to keep tracks for the user logs created by user visiting the website, they design trackers called web beacons.
Web beacons are web elements or components (normally not visible or small graphic tools like buttons) that are used to keep track of user online behavior.
Which of the following is a scam in which a perpetrator sends an official looking e-mail that attempts to obtain a user’s personal and financial information?A.phishingB.spamC.spywareD.spit
Answer:
a.phishing
Explanation:
Answer:
B. Spam
Explanation:
Spam emails are mails that are written and send to people in other to advertise a product, get sensitive informations from people and also gain access to people informations.
A device has an IP address of 10.1.10.186 and a subnet mask of 255.255.255.0. What is true about the network on which this device resides?
Only the last number of each IP address will be unique
Only the last two numbers of each IP address will be unique
Only the last three numbers of each IP address will be unique
All four numbers of each IP address will be unique
Answer:
Only the last number of each IP address will be unique
Explanation:
Subnet Mask is used to identify the two parts of the IP address. One is the network part that should be same for one network, and other is host part that will vary with number of computer or devices that are connected to the network.
Subnet mask is 32 bit address that are divided in 4 equal parts of 8 bits. Each 8 bit converted to decimal by varying different bits to generate 256 different decimal number combinations. It means we can vary the address range between 0 to 255. So If any 8 bit portion is 255 that means, in this section we cannot add host address.
For Example
In given case,
Subnet Mask = 255.255.255.0
That means first three portions are fixed and has been allocated for network part.
The forth portion is 0 that means we can change this portion in IP address up to 255 different addresses.
So the IP address that is given can be vary as:
10.1.10. 186
10.1.10 This portion is network portion, this cannot be vary.
only the number 186 is the unique address that is particularly assigned to the devices and is vary between 0 to 255.
MAC filtering should be done on _______ wireless networks.
all
large
public
small
Option C: public
MAC filtering should be done on public wireless networks.Explanation:MAC is an abbreviation for Media Access Control.MAC address is a physical address used by each device for hardware identification.MAC address contain six 2-digit hexadecimal numbers separated by colons.MAC filtering is a term used in wireless networks for security as well as privacy purposes.By applying MAC filtering means that the router is configured so that it gets the MAC addresses of the devices which are to be allowed to connect to the network.All other devices cannot get attached to the network until their MAC address is saved by the owner into he router settings.So in this way all public wireless networks can get secure.I hope it will help you!This type of software works with end users, application software, and computer hardware to handle the majority of technical details.
a) application
b) specialized
c) system
d) utility
Answer:
C. System
Explanation:
System softwares are softwares designed to create a working environment for other types of softwares. They manage the activities of application softwares, provide utility software services and control, maintain and optimise the performance of hardware components in the computer system.
The application software is designed for user task function, that is, the users uses the software for defined purposes. Utility software is used to control, analyse, maintain and optimise system performance.
The scheme where you can find the greatest common divisor of two integers by repetitive application of the division algorithm is known as the Brady algorithm.
Answer:
False
Explanation:
The scheme where you can find the greatest common divisor (GCD) of two integers by repetitive application of the division algorithm is known as Euclidean Algorithm.
The Euclidean Algorithm for calculating GCD of two numbers X and Y can be given as follows:
If X=0 then GCD(X, Y)=Y since the Greatest Common Divisor of 0 and Y is Y.If Y=0 then GCD(X, Y)=X since the Greates Common Divisor of 0 and X is X.Let R be the remainder of dividing X by Y assuming X > Y. (R = X % Y)Find GCD( Y, R ) because GCD( X, Y ) = GCD(Y, R ). Repeat the above steps again till R = 0.The work day has just started and you receive reports that the inventory management server is not accessible on your company's network. You recall that the new network administration assistant was working on that server last night. Which tool can you use to determine if the network administration assistant left that server's NIC disabled?
Answer:
Server Manager is the correct answer.
Explanation:
The user uses the Server Manager to determine if the admin of the network helper left the following server because that user received the reports related to the inventory management that is unable to access on their organizations' network. That's why he recall the new admin of the network. So, the following answer is correct.
rite two scnr.nextInt statements to get input values into birthMonth and birthYear. Then write a statement to output the month, a slash, and the year. End with newline.
Answer:
The Java code is given below with appropriate comments
Explanation:
//TestCode.java
import java.util.Scanner;
public class TestCode{
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
//initialising the birth month and birth year
int birthMonth, birthYear;
//getting the inputs for the birth month and birth year
birthMonth = scnr.nextInt();
birthYear = scnr.nextInt();
//printing out the birth month and birth year, separated by a slash (/)
System.out.println(birthMonth+"/"+birthYear);
}
}
Micorosoft's new power-saving mode that allows specially designed apps to perform small tasks in the background while the device is sleeping.
Answer:
Connected Standby
Explanation:
Connected Standby is a feature implement in windows 8 and windows 8.1, this mode replaced the standard Sleep and Hibernate, with this option we can receive notifications even with the screen off, but these notifications only work with the windows store, and your battery was spent faster, but in windows 10 only we can find the option sleep in the power button.
What file system below does not support encryption, file based compression, and disk quotas, but does support extremely large volume sizes?A) NTFSB) FAT32C) FAT16D) ReFS
Answer:
D. ReFS
Explanation:
File system is simply a management system for files that controls how and where data are stored, where they can be located and how data can be accessed. It deals with data storage and retrieval.
Examples of file system are NTFS, FAT(e.g FAT 16 and FAT 32), ReFS.
ReFS, which stands for Resilient File System, is designed primarily to enhance scalability by allowing for the storage of extremely large amounts of data and efficiently manage the availability of the data. It is called "resilient" because it ensures the integrity of data by offering resilience to data corruption. It does not support transaction, encryption, file based compression, page file and disk quotas, to mention a few.
Having demonstrated its versatility as a high-tech newswire, Twitter drew the attention of those who would prefer to see certain information suppressed.A. TrueB. False
Answer:
A. True.
Explanation:
Twitter social media platform is an online messaging application, that provides a medium for users to communicate with friends, advertise events or products and broadcast news at a large scale.
Its contents are summarized and detailed with pictures, videos, audios and text information. Developers of this web application utilized the concept of user interface and user experience design for easy access to information on the platform.
When using social media, make sure to provide access to all the information needed to accurately process messages by following the concept of __________. A. decoding B. encoding C. etiquette D. selective perception E. transparency
Answer:
Option E i.e., transparency is the correct option.
Explanation:
When any person using social media networks the he always ensure that he gives all the information related accurately about himself because in the social media network there is the transparency of everything except his chat with other but any person get details of the other person only if he is using social media network.
In the Remote Access Domain, if private data or confidential data is compromised remotely, you should set automatic blocking for attempted logon retries.True/false
Answer:
False
Explanation:
In the C++ statement pay = rate * hours; the * symbol is an example of
A. an operator.
B. an operand.no
c. a variable separator.
D. syntax.
E. none of the above.
Answer:
Option A is the correct answer for the above question.
Explanation:
In any programming language, An operator is used to perform some operation. It is fixed in between two numbers to perform the calculation. The above question asked about the Symbol ('*'), which is fixed in between two variables. so it is an operator which is called an arithmetic operator used for multiplication. So the operator is the correct answer which is stated from the option A. Hence A is the correct answer while the other is not because--
Option B states about an operand no but the operand is said to the variable or value.Option C states about a variable separator which is not the correct answer. Option D states about syntax which is also not correct.Option E states about none of the above but option 'A' is the correct answer.Final answer:
The correct answer is "an operator". In the provided C++ statement, the '*' symbol functions as an 'operator' used for performing multiplication between the variables 'rate' and 'hours'.
Explanation:
In the C++ programming language, symbols like +, -, *, /, and ** are utilized to conduct mathematical operations such as addition, subtraction, multiplication, division, and exponentiation, respectively. In the provided statement pay = rate * hours;, the * symbol is used to perform multiplication between two variables, rate and hours. This makes the * symbol an example of an operator.
Operators are special symbols in programming languages that initiate various kinds of operations or computations on data (known as operands) to produce a result. In this context, rate and hours serve as the operands, and the multiplication operation alters their values to produce a new value assigned to the variable pay. Hence, the correct answer to the question is A. an operator.
Sherri is considering replacing a processor on her laptop. The laptop is running slower than she would like. What should Sherri consider prior to taking the laptop apart? A. Try an external device before replacing the motherboard.B. Make sure you have the correct processor for the motherboard.C. Verify that the laptop is not under warranty.D. Determine whether a teardown procedure is available.
Answer:
Option b, Option c, and Option d are the correct options.
Explanation:
While Sherri is replacing the laptops processor because her's laptop working slow as compared to the past performance then, she decided to ensure to use the right processors for her laptop's motherboard. Then, she verifies that not under the warranty, and she also determines that the teardown procedure is available or not.
________________program specification, design, and implementation inter-leavedsystem developed as series of versions or increments w/ stakeholders involved w/ version specification and evaluationfrequent delivery of new versions for evaluationextensive tool support used to support developmentminimal documentation
Answer:
primary attributes of agile development
Explanation:
Based on the information provided within the question it can be said that this information are all main and primary attributes of agile development. Such as is mentioned in the question they are that the
- Program specification, design and implementation are inter-leaved.
- The system is developed as a series of versions or increments with stakeholders involved in version specification and evaluation.
- Frequent delivery of new versions for evaluation.
- Extensive tool support (e.g. automated testing tools) used to support development.
- and even needs Minimal documentation (focus on working code)
This are all parts of what describe an agile and efficient development culture.
Which of the following are valid declarations for an assignment operator for a class named myClass?
a. void friend operator = (myClass& left, const myClass& source);
b. void operator = (myClass& left, const myClass& source);
c. void friend operator = (const myClass& source);
d. void operator = (const myClass& source);
Answer:
Option D is correct
Explanation:
Because there are too many parameters in option B.
and option A and C are just declaring friend functions.
write a program to read in three nonnegative integers from the keyboard. Display the integers in increasing order.
Final answer:
To display nonnegative integers in increasing order, you can use a sorting algorithm like selection sort.
Explanation:
To write a program that reads in three nonnegative integers from the keyboard and displays them in increasing order, you can use a sorting algorithm such as selection sort. Here's an example in Python:
# Read in three integers from the keyboard
num1 = int(input('Enter the first integer: '))
num2 = int(input('Enter the second integer: '))
num3 = int(input('Enter the third integer: '))
# Create a list with the three integers
numbers = [num1, num2, num3]
# Sort the list in increasing order
numbers.sort()
# Display the integers in increasing order
print('Integers in increasing order:', numbers)
This program prompts the user to enter three integers, creates a list with those integers, sorts the list in increasing order, and finally displays the integers in increasing order.
Consider the following code segment. int count = 1; int value = 31; while (value >= 10) { value = value - count; count = count + 3; } System.out.println(value); What is printed as a result of executing the code segment?
Answer:
30
26
19
9
Explanation:
Initially, the value of count is 1 and the value of the variable “value” is 31. Since value is greater than 10, the while loop condition holds true and the program enters the while loop and will continue to execute the code inside the loop until the value changes to less than 10. “value” is reduced in the statement “value = value – count;”. Since we know value is initially 31, and count is 1, the value after this statement is executed will become value=31-1 = 30. “count” variable is now incremented by 3, so it now becomes 1+3 = 4. The next line will print this value onto the screen. The loop run again since value is >= 10. In the second run, the value will decrement by 4 as count was incremented by 3 in the previous run. Therefore, the value would become 26, while the count is again incremented by 3 to its new value 7. In the next run, the value of the value variable is therefore decremented by 7 to its new value 19 (26-7=9), and count is again incremented by 3 to make it 10 (7+3=10). The value is decremented by 10 to its new value 9 in the next run. Since 9 is less than 10 the while condition is no longer true and the program exits the while loop.
A(n) ____ is an attack against an information asset that poses a clear threat to the confidentiality, integrity, or availability of information resources.
Answer:
incident
Explanation:
An incident is an attack against an information asset that poses a clear threat to the confidentiality, integrity, or availability of information resources.
What is the asset?A business asset is something that has present or future economic worth to the company. In essence, assets for companies encompass anything managed and held by the firm that is today valuable or has the potential to give monetary advantage in the future.
Patents, machines, and investments are some examples of the assets. Assets are crucial because they may help you create money, raise the value of your firm, and help it function smoothly.
Therefore, an incident is an attack on an information asset that puts the confidentiality, integrity, or availability of information resources at risk.
Learn more about the asset, refer to:
https://brainly.com/question/13848560
#SPJ2
A user who enters americanbank.net into a web browser instead of the correct americanbank and is then taken to a fake look-alike site is the victim of _____.
Answer:
Typosquatting is the correct answer.
Explanation:
Typosquatting is another type of cybersquatting in which any user or person enters into the others sites from the web browser and then, they create another fake that is usually same as that site. They also create that type of address of the fake websites that is somewhere similar to the original and these are illegal in many countries.
Answer:
Typosquatting
Explanation:
Typosquatting is a form of error a user commits when he or she enters an incorrect web address and there by fall a victim of cybersquatting. Such may also be a victim of brand stealing
The term firmware refers to programs embedded into hardware devices. This software only changes when a firmware upgrade is performed.A. TrueB. False
Answer:
True
Explanation:
Firmware are software programs embedded in hardware devices such as hard drives and BIOS, that allow these hardware devices to run properly. With the help of firmware, user programs can run on devices. Firmware programs hardly change throughout their lifetime except and upgrade is performed on them. Firmware are usually upgraded to fix bugs and maybe to add new features to them.
Examples of firmware are;
(i) programs written for a printer
(ii) software controlling the time in a washing machine.
Explain the difference between general-purpose and specialized applications. Also discuss the common features of application programs, including those with traditional and ribbon graphical user interfaces.
Answer:
General purpose programs are software that are designed for the general public, e.g. Word processor, music player, maps application. These softwares don't require you to be have some specific need or skill to use them.
Specialized programs are software that are designed for a specific group of users and/or profession, like CAD, Adobe premier, Visual Studio. These softwares require you to be associated with some profession to be able to use them. Also, specialized programs are usually not free and may require a licensing fee.
Common features of application programs include,
1. Saving file
2. Contact for help
3. Changing preferences
4. Exiting application
5. Viewing or signing in to your account
Explanation:
General-purpose computers can be configured to run various programs while special-purpose computers are designed for specific tasks. Apps are software applications that perform specific tasks and can feature either traditional or ribbon GUIs.
A general-purpose computer, like a universal Turing machine, is capable of running various programs, effectively transforming into a special-purpose computer for the duration of each program's execution. Special-purpose computers, on the other hand, are custom-built to run specific computations or tasks and cannot be dynamically reprogrammed.
Application programs, or apps, perform tasks separate from the core functioning of the computer, such as word processing, media playing, or accounting. These apps can have different user interfaces, with two common styles being traditional interfaces with dropdown menus and toolbars, and those with ribbon interfaces, popularized by Microsoft Office products, which organize tools into a set of tabs.
Graphical User Interfaces have evolved notably since the 1980s, with the introduction of elements like GUI, DTP, and WYSIWYG. These changes have significantly influenced how applications are interacted with and have broadened the application of computers.
Which of the following operations are considered to be crucial tasks that should be performed before installing server roles and features? A- Static IP addresses have been configuredB- Administrator has a strong passwordC- Security updates are current
Answer:
A. Static IP address have been configured.
Explanation:
A network is an interconnection of network devices for communication to occur. A network comprises of end devices and intermediate network devices.
End devices are the sources and destinations of data transmission, while intermediate devices are the devices that makes communication of data possible like routers and switches. Examples of end devices are servers and workstations (computers, smartphones etc.).
A server in a network is a device that provides special services to workstations or clients. The IP addresses of servers must be known, that is, a static IP address must be configured on a server. Examples of server protocols are DNS, TFTP, FTP, DHCP etc.
Define a character variable letterStart. Read the character from the user, print that letter and the next letter in the alphabet. Sample output assuming the user enters 'a':
ab
Sample program:
#include
int main(void) {
return 0;
}
Answer:
declare variable get input display variable and also increment ASCII of variable and th en display itExplanation:
In above code first we declare a character variable by (var). Then we get a character input from user in (var). Then display character input and at the same time we also display next character by incrementing the ASCII of character input by 1.Many large IT departments use a(n) _____ team that reviews and tests all applications and systems changes to verify specifications and software quality standards.
Answer:
Quality assurance team
Explanation:
Software development life cycle (SDLC) is a process or stages of processes a software application must go through to be materialized. The stages of SDLC are planning, design, implementation or development, testing or verification, deployment and maintenance.
An implemented software design must be tested. It is tested based on the pre-dertermined design and the quality standard of the company. A group of test expect are approached for this purpose, they are called the quality assurance team
They are equipped with skills to use third party applications to analyze and verify the quality of the developed software.
When a security professional is presented with a contract drawn up by a company's legal department, which allows them to "hack" the company's network, they should proceed by performing what precautionary step?
The answer is : He must consult with a lawyer.
Hacking is considered illegal and in other countries, it is punishable by law. Hacking is gaining unauthorized access to a network. Even when someone is giving you permission to do it, it is still wrong and illegal. Therefore, you must know of your rights and make all the party involved to signed an agreement to save yourself.