Answer:
B.FIRMWARE
Explanation:
An operating system that is permanently etched into a hardware device (such as a keyboard or a video card).
The type of operating system is permanently programmed into a hardware device is firmware. The correct option is B.
What is firmware?A platform's hardware components are configured and controlled by firmware, which is often computer code. As a result, firmware typically executes as the first piece of code when a device is turned on, serving as the cornerstone upon which system trust is based.
Firmware is a class of software that is permanently included in a device's read-only memory. It offers instructions on how to operate the device and reduces hardware-level security risks. Essentially, firmware refers to software that is integrated into a piece of hardware.
It is referred to as embedded software at times. A microcontroller, a component of the microprocessor that instructs the microprocessor on what to do, serves as an illustration.
Therefore, the correct option is B. Firmware.
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how many total lines would be required to full interconnect 12 telephone lines via hardwired transmission lines?
66 transmission lines.
To fully connect all 12 phone lines, each line must have a dedicated connection to every other line. This means that each line needs to be connected to 11 other lines. Since each connection needs a transmission line, each of the 12 lines needs 11 transmission lines, which adds up to 132 transmission lines.
But since each connection goes in both directions (each line is connected to every other line), each line is counted twice in the total number of lines. So, 132 lines divided by two is 66 lines, which is the total number of lines needed for full interconnection.
This can be determined using the (n * (n-1)) / 2 formula for a complete network, where n is the number of nodes (telephone lines) When n is 12, the formula becomes (12 * (12-1)) / 2, which results in a value of 66.
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for a single-processor system, there will never be more than one process in the running state. group of answer choices true false
False. A single-processor system will never have more than one process in the running state at a time. It is possible for a single-processor system to use various techniques, such as multitasking, to allow multiple processes to be in the running state simultaneously.
A single-processor system is a type of computer that has only one central processing unit (CPU) to execute instructions and perform calculations. In a single-processor system, only one process can be executed at a time, although the system may use techniques such as multitasking to allow multiple processes to be executed concurrently. Single-processor systems are generally less powerful and efficient than multi-processor systems, but they can still be effective for a wide range of applications.
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sequential access can be optimized by a. free-behind technology b. read-ahead technology c. all of the above d. none of the above
Sequential access can be optimized by none of the above both of the preceding Technology read-ahead, technology free-ahead
Sequential access refers to the process of accessing a collection of items in a predetermined, ordered manner, such as data stored on magnetic tape, in a disk file, or in a memory array. It is the antithesis of random access, which allows for anytime, anywhere access to any element of a sequence with equal ease and efficiency.
When the data is stored on a tape, for instance, sequential access may be the only option for getting at it. It might also be the preferred access technique, for instance, if all that is required is the orderly processing of a series of data pieces.
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in slicing, if the end index specifies a position beyond the end of the string, python will use the length of the string instead.a. trueb. false
Python will use the length of the string instead of index that specifies a position beyond the end of the string is true.
What is slicing in python?Slicing or slice() is a function in python to specify slice a sequence. Slice() function will allow user to set where to start and end of slice a sequence also allow user to specify the step for example you can slice only every other item.
Python will automatically calculate the number of indexes in the string when slicing function is run. This will allow python to use the maximum length of string if the upper bound is exceed the string length. So, user don't get error if user set upper bound exceed the string length.
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in simulation lab 4, you used a 4-bit opcode. in addition, each instruction in your instruction set had up to 4 micro instructions. what is the maximum number of instructions allywed in your instruction set?
Answer:
16
Explanation:
The maximum number of instructions allowed in the instruction set with a 4-bit opcode and up to 4 micro instructions per instruction is 16. This is because 4 bits can represent 16 different combinations (2^4=16).
true or false - an online password attack is performed on network services, such as ssh, http, ftp, and smb. true false
Answer:
True
Explanation:
computer 1 on network c, with ip address of 172.16.1.57, wants to send a packet to computer 2, with ip address of 172.16.1.133. if the ttl value was set to 64 at the beginning, what is the value of the ttl once it reaches its destination?
Computer 1, with the IP address 172.16.1.57, on network c wishes to send a packet to computer 2, with the IP address 172.16.1.133. When it arrives at its destination, the ttl value will still be 64 if it was set to 64 at the beginning.
What in ping is TTL 64?The packet can make up to 64 hops before being dropped. A longer TTL on packets is advantageous for hard-to-reach hosts that are spread out across numerous Internet hops.
When it gets to its destination, what does the TTL mean?When TTL approaches zero, TTL=0, the router discards the packet and sends the Time Exceeded Error message to the originating host.
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identify the method: this method is run before the file system is mounted and made available (assumes that no other file-system activity is on-going while it runs); once finished, the on disk file system should be consistent and thus can be made accessible to users. select one: a. journaling b. backpointer-based consistency c. fsck d. superblock
Prior to the file system being mounted and made accessible, fsck is used.
How can I mount a file system that is not packaged?Create a directory, such as /opt/unbundled, to serve as the mount point for the file system you wish to mount first. Once the mount point has been established, mounting the file system (using the mountcommand) makes all of the directories and files in /opt/unbundled accessible.
What does the term "mount a file system" mean?A file system is made accessible to the system by being mounted, which attaches it to a directory (or mount point). Always mounted is the root (/) file system. The root (/) file system is the default and can be joined or unconnected by any other file system.
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in an interview, you are asked to explain how gamification contributes to enterprise security. how should you reply?
a. recreational gaming helps secure an entriprise network by keeping the attacker engaged in harmless activites
b. instructional gaming in an enterprise keeps suspicious employees entertained, preventing them from attacking
c. instructional gaming can train employees on the details of different security risks while keeping them engaged
d. recreational gaming can train employees on how to contain a physical threat at an enterprise
The use of instructional gaming to teach staff about specific security concerns while keeping them interested is one way that gamification contributes to enterprise security.
What impact does gamification have on business security?Because it motivates employees to do particular activities by appealing to their competitive natures, gamification has shown to be a highly effective method of securing employee engagement in cyber security awareness programs.
Why is game-based learning significant for businesses?Increased adoption and usage of learning management systems are just a few ways that gamification in the workplace, when done wisely, can help improve corporate performance. increasing employee performance and retention Increased knowledge sharing among employees will boost customer service.
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question 5 which sql tool considers one or more conditions, then returns a value as soon as a condition is met?
When the first condition is satisfied, the CASE statement iterates over all possible outcomes and produces a result. If a condition is satisfied, CASE will return the specified outcome. It will return the value in the ELSE clause if none of the requirements are met.
Using IF... ELSE, any T-SQL query may be performed conditionally. If the condition is True, T-SQL statements in SQL Server that are followed by an IF condition will be performed. ELSE-followed T-SQL statements will be executed if the condition evaluates to False. A database table's records are retrieved using a SQL SELECT statement in accordance with clauses (such FROM and WHERE) that define criteria. The SQL INSERT statement is used to insert one or more records or tuples in the table. The syntax is: SELECT column1, column2 FROM table1, table2 WHERE column2='value'. The table attribute data is updated using the MODIFY command. So, to modify one or more fields in a record, use the MODIFY command.
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james has replaced the cpu and added some ram to his pc. he also blew some of the dust out of his system using canned air. when he rebooted his system, an annoying repetitive beep occurred. what was wrong?
There are several possible reasons why James's system might be producing an annoying repetitive beep after replacing the CPU and adding some RAM and cleaning the system with canned air.
Some possible causes include:
Incorrect RAM installation: If the RAM was not installed correctly, it could cause the system to beep. This could be due to an issue with the RAM modules themselves or with the way they were installed.Incorrect CPU installation: If the CPU was not installed correctly, it could also cause the system to beep. This could be due to an issue with the CPU or with the way it was installed.Hardware compatibility issues: If the new CPU or RAM is not compatible with James's system, it could cause the system to beep. This could be due to differences in the clock speed, voltage, or other characteristics of the hardware.BIOS settings: If James made any changes to the BIOS settings after installing the new hardware, it could cause the system to beep. For example, if he changed the clock speed or voltage settings, it could cause the system to beep.To troubleshoot the issue, James could try reseating the RAM and CPU to ensure that they are installed correctly. He could also check the compatibility of the new hardware with his system to make sure it is supported. Additionally, he could check the BIOS settings to see if any changes were made that could be causing the issue.
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3 based on the commands you executed, what is likely to be the operating system flavor of this instance? (case-sensitive)
Based on the commands you entered, Amazon Linux 2 is probably the instance's operating system choice.
Describe the operating system.
An operating system (OS) is a type of system program that regulates how computer hardware and software resources are utilized and offers basic services to other software applications. Operating systems that use time-sharing schedule tasks to make the most of the system's resources. They may also contain accounting system to allocate costs for processing time, mass storage, printing, as well as other resources. Although application code is typically run directly by equipment and frequently makes operating system to an OS function or if it is interrupted by it, the operating system serves as a bridge between systems and computer hardware with helps determine like input & output and storage allocation.
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question 3 sql is a language used to communicate with databases. like most languages, sql has dialects. what are the advantages of learning and using standard sql? select all that apply.
SQL is the relational database language that meets ISO/ANSI standards. SQL is a language for both defining and manipulating data. It can also express updates and be used as a query language.
What SQL language used to communicate with databases?SQL's goal is to manage, retrieve, store, and manipulate data in a database management system. It is frequently pronounced sequel. Early in the 1970s, IBM began to create SQL.
Therefore, it was first made available for purchase in 1979. It is acknowledged as the normative relational database management system on a global scale (RDBMS).
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for a given data object, if a transaction can acquire a shared lock on this data object, this transaction can also acquire an exclusive lock on this data object true false
If a transaction can obtain a shared lock on this data object, it do not obtain an exclusive lock on the data object, so the given statement is false.
What is locking technique?A Data Item is associated with a variable called Lock. In DBMS, a lock is used to access a database item in a synchronized manner. Locking is used to control concurrent access to data while one transaction is executing and accessing the database.Two-phase locking (2PL) is a concurrency control method that ensures serializability in databases and transaction processing. It also serves as the name for the resulting set of database transaction schedules (histories).Exclusive Lock (X): This lock remains in place until the transaction that holds it commits or rolls back. Only one transaction can own them at a time. A data item can be read as well as written with the Exclusive Lock. Also known as a write lock.To learn more about locking technique refer to :
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families and kinship networks have the power to provide support and to nurture. what else do kinship networks do in a society?
Kinship networks are made up of family and other close relationships and play several important societal roles. In addition to providing support and nurturing, kinship networks can serve as a source of social identity and belonging, transmitting culture and values and providing economic and practical assistance.
Kinship networks can also serve as a source of social capital, which refers to the networks of relationships that individuals can draw on to get things done and achieve their goals. For example, people may rely on their kinship network to help them find a job, get a loan, or access other resources.
In some cultures, kinship networks may also play a role in decision-making and social control, with elders or other respected community members serving as mediators or arbitrators in conflicts or disputes.
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what website is sister educational services officers with number tracking and rating specific statics and testing
The website NAVY ENLISTED ADVANCEMENT SYSTEM aids the educational services officer (eso) with member tracking and rating specific statistics and tests (NEAS).
The NAVY ENLISTED ADVANCEMENT SYSTEM website aids the educational services officer (eso) with member tracking, rating, and testing (NEAS).
The NAC is well recognized for assisting with and sharing all enlisted advancement exams in relation to Navy-wide administration, examining and rank-ordering all candidates for advancement, among other things.
Therefore, the website that helps the educational services officer (eso) with member tracking, rating, and testing is called the NAVY ENLISTED ADVANCEMENT SYSTEM (NEAS).
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what is the least number of bits you would need to borrow from the network portion of a class b subnet mask to get at least 130 hosts per subnet?
You would need to borrow at least 7 bits from the network portion of the Class B subnet mask to get at least 130 hosts per subnet.
What is subnet?
A subnet is a logical subdivision of an IP network. It consists of a network address and a subnet mask. The subnet mask is used to divide the IP address into two parts, one that represents the network and another that represents the host. Subnets allow network administrators to create smaller networks within their larger network, which makes it easier to manage and secure the network. For example, if a business has 200 computers connected to the same network, they can create two subnets; one with 100 computers and another with the remaining 100 computers. This helps to ensure that traffic between the two subnets is kept separate and that traffic between the two subnets is not congested. Additionally, subnets can be divided into smaller networks, allowing for further control of network traffic.
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sensors that can monitor and report data about traffic and parking conditions are part of a network of physical objects known as the internet of technology.
a. true
b. false
The term “Internet of Things,” or “IoT,” refers to the entire network of interconnected objects as well as the technology that makes it possible for such devices to communicate both with one another and with the cloud.Thus, it is false.
What physical objects known as the internet of technology?The internet of things, or IoT, is a network of interconnected computing devices, mechanical and digital machinery, items, animals, or people who can exchange data across a network while necessitating human-to-human or human-to-computer interaction.
Therefore, it is false that sensors that can monitor and report data about traffic and parking conditions are part of a network of physical objects known as the internet of technology.
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A technician is to document the current configurations of all network devices in a college, including those in off-site buildings. which protocol would be best to use to securely access the network devices?
A network security technology called Secure Socket Layer (SSL) is largely employed to guarantee secure internet connections and safeguard sensitive data. This protocol can support both server-to-server and server-to-server communication.
What best to use to securely access the network devices?A networking technology called Safeguard Socket Layer (SSL) is used to secure communications between web clients and web servers over insecure networks like the internet.
Therefore, Although SSL is still the most widely used phrase online, most users actually mean TLS because both SSL public versions are insecure and have been abandoned for a long time.
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what type of scanning target would commonly have vulnerabilities due to the existence of unnecessary services and open ports?
Due to the presence of unneeded services and open ports, viral infrastructure frequently has vulnerabilities.
A vulnerability scanner is an automated tool that locates and compiles a list of all network-connected IT assets, such as servers, workstations, laptops, virtual machines, containers, switches, and printers. Along with other characteristics like open ports and user accounts, it also tries to determine operational information about each asset, such as the operating system it uses and the software that is installed on it. Organizations can use a vulnerability scanner to check their networks, systems, and apps for security flaws.
To identify security flaws in their computer systems, networks, applications, and procedures, the majority of security teams use vulnerability scanners. There are numerous tools for scanning for vulnerabilities, each of which offers a different set of capabilities.
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juan is explaining various dos attacks to security operators at his company. which attack causes a network to perform a dos attack on one of its own servers?
A distributed denial-of-service (DoS) attack is a malicious attempt to obstruct a server, service, or network's regular traffic by saturating the target or its surrounding infrastructure with an excessive amount of Internet traffic.
What kind of assault does a DoS attack typically use?Buffer overflow incidents
The goal is to send more data to a network address than what the system's architecture permits.
What leads to a DoS assault?When legitimate users are prevented from accessing information systems, devices, or other network resources as a result of the acts of a malevolent cyber threat actor, this is known as a denial-of-service (DoS) attack.
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During which of the four phases of analysis can you find a correlation between two variables?a. Organize datab. Format and adjust datac. Get input from othersd. Transform data
During Transform data of the four phases of analysis can you find a correlation between two variables. Hence option D is correct.
What does data transformation involve?A business can select from a variety of ETL technologies that automate the data transformation process. Using scripting languages like Python or domain-specific languages like SQL, data analysts, data engineers, and data scientists also alter data.
Students analyze the data set and investigate how an outlier—a statistical observation that has a significantly different value from the rest of the sample—affects location measures.
Therefore, one can say that the act of transforming, purifying, and organizing data into a useful format that can be studied to support decision-making procedures and to spur an organization's growth is known as data transformation. When data needs to be transformed to match the target system's requirements, data transformation is utilized.
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roblyer per the course syllabus, for what exceptional situations will i consider changing your final course grade? group of answer choices
Note that one would consider changing a student's final course grade if there was a documented medical or psychological issue, a death in the immediate family, or a documented technical issue that prevented the student from completing their work.
One would also consider changing a grade if the student was able to provide evidence of a significant improvement in their work over the course of the semester.
What is a Final Course Grade?A course's final grade is the average of both the semester grades.
The teacher or lecturer awards a grade to demonstrate the student's degree of success or status within that group by comparing a student's total course progress with that of some comparable group of students.
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the term used for organized information about spatial data sets is question 9 options: quality control megadata warehouse meta analysis normalization metadata
In contrast to the content of the data, such as the message's text or the image itself, metadata is defined as "data that offers information about other data".
Metadata can take many different forms, including:
Descriptive metadata is data that describes a resource.
It is employed for both identification and discovery. Such components as the title, abstract, author, and keywords are included.
Structural metadata describes data containers and describes the construction of complex things, such as the arrangement of pages into chapters. It explains the many kinds, iterations, connections, and other features of digital content.
Administrative metadata is the data used to administer a resource, such as the resource type, permissions, and the circumstances surrounding its creation.
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what is the sum of all possible values stored at 0(s0) after this code runs? hint: there should be 4 possible values.
Answer:
Without more information, it is not possible to accurately determine the sum of all possible values stored at 0(s0) after this code runs.
Explanation:
It is not possible to determine the sum of all possible values stored at 0(s0) after this code runs without more information. This is because the code does not specify the initial value of t0 or the initial value stored at 0(s0). Without this information, it is not possible to determine the final value stored at 0(s0) after the code runs.
Additionally, the code does not specify how the threads are scheduled or the order in which they execute the instructions. This means that the final value stored at 0(s0) could be different depending on the order in which the threads execute the instructions.
to override a method, the method must be defined in the superclass using the same signature as in its subclass. true false
The given statement is false in stating that overriding a method needs to be defined in the superclass using the same signature as in its subclass.
In Java programming context, override a method means that a subclass (child class) has the same method as of its the parent class (known as superclass). In simple terms, method overriding happens when a subclass provides a specific implementation of a method declared in one of its parent classes or super classes.
In regard to the given question, the true satatment is as follows. When overriding a method, the method must be defined in the subclass using the same signature as of its supclass.
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each router keeps a listing of all know paths that it connects to, so that it can forward packets from one router to another?
Each router keeps a 'routing table' listing all known paths that it connects to in order to forward packets from one router to another.
A routing table is defined as a set of rules, usually viewed in a table format, used to identify where data packets traveling over an Internet Protocol or IP network will be directed. The routing table is typically stored inside the Random Access Memory (RAM) of forwarding devices, such as routers and network switches. Routing tables are important in routing because they keep a map of connected networks which ensures that the forwarding process of packets is as efficient as possible.
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when it comes time to execute a vulnerability scan, what are optional tools you might use to launch it? (select two.)
Vega is an optional tool that you might use to initiate a vulnerability scan when the time comes.
The process of scanning an image so that a computer can save, edit, or comprehend it is known as a scan. Utilizing an optical scanner is the most typical scanning technique. Text can also be scanned and entered into a computer using specialised software like an OCR (optical character recognition) programme.
Today, it's also possible to use the camera on your smartphone as a scanning tool. For illustration, a QR code for the Computer Hope website is shown. You can choose to launch the Computer Hope website by pointing your smartphone camera at this code.
a phrase used to describe the procedure of using software to review files for various purposes. Antivirus software checks files, for instance.
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which windows 8.1 tool allows you to see the event and warnings messages generated to give you a better idea of what might be causing problems?
You can view the event and warning messages created by the "Action Center" Tool in Windows 8.1 to have a better understanding of what might be creating issues.
What is the Action Center in the Windows8.1 or above Operating System?
Modern Microsoft Windows operating systems have a utility called the Action Center that collects and shows notifications from various programs and applications on the device.
Users have access to warnings and updates concerning concerns with software support, security, and other topics.
App notifications and quick actions are found in Windows 10's new action center. Search for the action center icon on the taskbar.
The original action center has been renamed Security and Maintenance, however it is still present. You still go there to modify your security settings.
Type "security and maintenance" into the taskbar's search box, and then click on Security and Maintenance in the list that appears.
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Raquel is searching for jeans online. She wants to make sure that she protects her private information when she purchases items online. How can Raquel find out if her private information will be safe on a particular website?
Answer:
If the site has https:// (not http://) and has a padlock before the website URL link, Raquel should rest assured that her information is private and safe. If Raquel wants to know whether her data would be sold or not she has to read the site's terms and conditions on private data.
Explanation: