Using Dynamic Host Configuration Protocol, networks assign dynamic IP addresses (DHCP). The most used method for allocating addresses is DHCP.
What does IP address addressing mean?A device on the internet or a local network can be identified by its IP address, which is a special address. The rules defining the format of data delivered over the internet or a local network are known as "Internet Protocol," or IP.
What is an IP address, and where can I find my computer's IP address?Every computer, server, or other internet-connected device is given a unique number identification known as an IP address.
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Select the item below that lists the top level domain name for the URL http://www.yahoo.com.
a. http
b. www
c. yahoo
d. com
The top level domain name for the http://www.yahoo.com URL is com.
How does URL work?Websites have individual addresses to make it easier for users to find them, just like residences and structures have a street address. These are known as URLs on the Internet (Uniform Resource Locators).
What's URL on a phone?Locator for Unified Resources. The address or location of a file or service on a computer network is given by a string of text (usually the Internet.) A URL that connects to a particular web page is the most typical sort of URL. Such a URL's full form begins with "http://" or "https://".
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The ____ command is used to restore the table's contents to their previous values.
a. COMMIT; RESTORE;
b. COMMIT; BACKUP;
c. COMMIT; ROLLBACK;
d. ROLLBACK;
To return the table's contents to their previous values, use the ROLLBACK command.
How can I get data out of a table in SQL?To get data out of our tables, utilize the SELECT command in SQL. The output of this command is always a table, which we can use to develop dynamic web pages or desktop apps or to browse with our database client software.
How would the table row "WHERE" be deleted? Which command would be used?The DELETE command can be used to remove rows from a table. To delete individual rows or all rows from a table, use the DELETE command. Provide the table and an optional search condition (WHERE) that specifies which rows to delete in order to delete rows.
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A user carries a laptop between a home network and a business network. While on the business network the user requires a static IP (Internet Protocol) address. When at home, DHCP (Dynamic Host Configuration Protocol) is used to obtain an address. The user often forgets how to switch the laptop settings between the two, and then has trouble using the laptop online. What type of configuration can be used to help the user
A configuration that can be utilized to assist the user is an alternate address.
Which of the following presents a security risk following the installation of a new app on a mobile device?Storage of data. The data that you save on the device and whether other apps can access it is the most frequent security worry for Android applications.
Which of the following techniques for erasing data requires electromagnetic disturbance?By disrupting the magnetic field of an electronic medium with a strong magnet, degaussing obliterates computer data. Data is destroyed when the magnetic field is disturbed. A gadget that stores a lot of information or sensitive data can be swiftly and efficiently destroyed by degaussing.
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You plan to assess and migrate the virtual machines by using Azure Migrate. What is the minimum number of Azure Migrate appliances and Microsoft Azure Recovery Services (MARS) agents required
One, three, twelve, and sixty-two Azure Migrate equipment and one, three, twelve, and sixty-two MARS agents are the very minimum quantities needed.
After conducting an assessment in Azure migrate, what tools may be utilized to move to Azure?To prepare evaluations for on-premises VMware VMs and Hyper-V VMs in preparation for migration to Azure, utilize the Azure Migrate Discovery and assessment tool. On-premises servers are evaluated by a discovery and evaluation tool before being moved to Azure IaaS virtual machines.
How much migration can the Azure appliance handle?Up to 10,000 servers spread over several vCenter Servers can be found by the Azure Migrate appliance. Multiple vCenter Servers can be added using the appliance. Per appliance, you can install up to 10 vCenter Servers.
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You are troubleshooting a stand-alone computer problem. The client states that he was browsing the Internet. After clicking on a link, he found that his browser performance became very slow. Also, a small window opened telling him to click "Yes" for help. The user clicked on the Yes button. Now every time he opens his browser, he is redirected to a web site that sells PC troubleshooting software. What step should you take first to resolve this problem?
The initial step in resolving this issue should be to identify the type of malware that has infected the machine.
Why is iframe used in HTML?A HTML element called a "inline frame" (abbreviated "iframe") loads another HTML page inside the current one. It effectively embeds a different website within the parent page. Ads, embedded movies, online analytics, and interactive content frequently use them.
In JavaScript, how should I handle iframes?getIframeContent(frameId) is a command used to retrieve an iframe's object reference. The attribute known as contentWindow returns the iframe's window object. document: contentWindow.document returns the iframe window's document object.
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Suppose that x is an int variable. Which of the following expressions always evaluates to true?
a. (x > 0) I I (x <= 0)
b. (x >= 0) I I (x == 0)
c. (x > 0) && ( x <= 0)
d. (x > 0) & & (x == 0)
a. (x > 0) I I (x <= 0)
Which statement regarding a do while loops quizlet is accurate?At least one execution of the loop's body takes place.Prior to entering the loop, the logical expression governing it is evaluated.
What happens in a for loop immediately following a continue statement?To change the direction of control within a loop, use the one-token expressions continue and break. Continue causes the loop to continue immediately into the next iteration, whereas break stops the loop and forces execution to restart after the loop.
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What measures bandwidth in terms of numbers transferred or received per unit of time?
A. Connection time
B. Broadband
C. Protocol
D. Bit rate
By making the PDP 11 minicomputer an integral part of the Therac-25, AECL was able to
A) All of these
B) increase the stock price of its subsidiary Digital Equipment Corporation.
C) shrink the size of the machine considerably.
D) reduce costs by replacing hardware safety features with software safety features.
E) eliminate the need for lead shielding.
option D is correct By making the PDP 11 minicomputer an integrated aspect of the Therac-25, AECL has been able to cut costs by replacing hardware security features with software safety mechanisms.
What does "minicomputer" mean in computing?A minicomputer is a kind of computer that really is smaller in size but has a lot of the same features and functionalities as a large computer. The mainframe and microcomputer are separated by a minicomputer, which is smaller than the former but larger than the latter.
What features does a minicomputer have?Its size is less than that of a mainframe computer. It costs less than mainframe and supercomputers. It is more powerful than microcomputers but just not significantly more than a mainframe or supercomputer. Both multiprocessing and multitasking are supported.
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Perfective maintenance usually is cost effective ____ the system's operational life.
A) early in
B) during the middle of
C) late in
D) all of the above
In the middle of the system's operational life, perfective maintenance is typically cost-effective.
Which kind of maintenance improves an existing system?An operating system receives improvements through adaptive maintenance, making it simpler to utilize the system. Contrary to corrective maintenance, adaptive maintenance is less urgent since business and technological changes may take time to materialize.
What is the procedure for managing modifications to the system requirements while the software is being developed?The Software Development Life Cycle (SDLC) is a procedure used in software engineering to systematically manage, coordinate, and regulate changes made to documents, codes, and other entities.
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Farouk uses his computer to break into Global Financial Center's computer.Farouk is a
A) hacker.
B) phisher.
C) worm.
D) virus.
Answer:
hacker
Explanation:
Describe an implementation of the PositionalList methods add_last and add_before realized by using only methods in the set {is empty, first, last, prev, next, add after, and add first}.
provide output with driver code.
We shall employ Python programming output along with driver code, as stated in the statement.
What does a driver mean in computer language?In software, a driver offers a programming interface for managing and controlling particular lower-level interfaces that are frequently connected to a particular kind of hardware or other reduced function.
Briefing :class _DoublyLinkedBase:
class _Node:
__slots__ = '_element','_prev', '_next'
def __init__(self,element, prev, nxt):
self._element = element
self._prev = prev
self._next = nxt
def __init__(self):
self._header =self._Node(None, None, None)
self._trailer =self._Node(None, None, None)
self._header._next =self._trailer
self._trailer._prev =self._header
self._size =0
def __len__(self):
return self._size
def is_empty(self):
return self._size ==0
def _insert_between(self, e, predecessor,successor):
newest = self._Node(e,predecessor, successor)
predecessor._next =newest
successor._prev =newest
self._size += 1
return newest
def _delete_node(self, node):
predecessor =node._prev
successor =node._next
predecessor._next =successor
successor._prev =predecessor
self._size -= 1
element =node._element
node._prev = node._next= node._element = None
return element
class PositionalList(_DoublyLinkedBase):
class Position:
def __init__(self,container, node):
self._container = container
self._node = node
def element(self):
return self._node._element
def __eq__(self,other):
return type(other) is type(self) and other._Node isself._node
def __ne__(self,other):
return not (self == other)
def _validate(self, p):
if not isinstance(p,self.Position):
p must have the correct Position type, raise TypeError
if p._container is notself:
raise ValueError "p must not fit this container"
if p._node._next isNone:
raise ValueError('p is no longer valid')
return p._node
def _make_position(self, node):
if node is self._headeror node is self._trailer:
return None
else:
return self.Position(self, node)
def first(self):
returnself._make_position(self._header._next)
def last(self):
returnself._make_position(self._trailer._prev)
def before(self, p):
node =self._validate(p)
returnself._make_position(node._prev)
def after(self, p):
node =self._validate(p)
returnself._make_position(node._next)
def __iter__(self):
cursor =self.first()
while cursor is notNone:
yield cursor.element()
cursor =self.after(cursor)
def _insert_between(self, e, predecessor,successor):
node =super()._insert_between(e, predecessor, successor)
returnself._make_position(node)
def add_first(self, e):
returnself._insert_between(e, self._header, self._header._next)
def add_last(self, e):
returnself._insert_between(e, self._trailer._prev, self._trailer)
def add_before(self, p, e):
original =self._validate(p)
returnself._insert_between(e, original._prev, original)
def add_after(self, p, e):
original =self._validate(p)
returnself._insert_between(e, original, original._next)
def delete(self, p):
original =self._validate(p)
returnself._delete_node(original)
def replace(self, p, e):
original =self._validate(p)
old_value =original._element
original._element =e
return old_value
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is a special folder with pointers to disk folders that can be in many locations, but will all appear to be in the same library.
A library is a special folder that contains references to disk folders that can all look to be in the same library but actually can be found in different locations.
Which recovery tool creates restore points which are snapshots of Windows?A feature of Microsoft® Windows® called System Restore is intended to safeguard and fix software. System Restore creates Restore Points by taking a "snapshot" of a few system files and the Windows registry.
Document folders, also known as filing folders, are office supplies that come in a variety of designs, dimensions, and materials. The manila file folder is the most well-known type. These folders are made of strong, tear-resistant fabrics, making them ideal for carrying lots of papers and documents at once.
System Restore is a useful tool that creates what is known as a "restore point," which is a kind of snapshot of the software, registry, and driver settings on your PC at a certain moment in time. Then, if required, you can take your PC back to that point in time.
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Is this correct?
The Arithmetic Logic Unit converts input data to a form the computer can read, processes the data and displays that information in the form humans understand.
The Arithmetic Logic Unit converts input data to a form the computer can read, processes the data and displays that information in the form humans understand is not correct.
What is the Arithmetic Logic Unit?The Arithmetic Logic Unit (ALU) is a digital circuit that performs arithmetic and logical operations on input data. It is a fundamental building block of the central processing unit (CPU) and is responsible for performing basic operations such as addition, subtraction, and logical operations like AND, OR, and NOT.
The Input/Output (I/O) device is the component that converts input data to a form the computer can read, and the output devices are responsible for displaying the processed data in a way that humans can understand.
In all, the ALU is a fundamental part of the CPU that performs arithmetic and logical operations on input data, but it does not convert input data to a form the computer can read or display information in the form humans understand.
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Read the following selection from the section "The North Atlantic Deep Water." As the warm surface water of the Mediterranean evaporates, the water grows saltier and denser. This water exits the Mediterranean through the Strait of Gibraltar, the narrow channel between Spain and Morocco that connects the sea to the Atlantic Ocean. Which answer choice is the BEST definition of the word "evaporates" as used in the selection?
The answer choice that is the BEST definition of the word "evaporates" as used in the selection is option (B) to lose moisture.
What is evaporation?The word "evaporates" as used in the selection means to lose moisture, which is the process of liquid changing into a gas or vapor form, typically due to an increase in temperature or pressure.
Evaporation is a physical process by which a liquid changes into a gaseous state, typically due to an increase in temperature or pressure. In this context, the warm surface water of the Mediterranean loses its moisture due to heat and it becomes saltier and denser, this process is called evaporation.
Therefore, In the above context, it refers to the warm surface water of the Mediterranean becoming a gas or vapor due to the process of evaporation.
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See full question below
Read the following selection from the section "The North Atlantic Deep Water. As the warm surface water of the Mediterranean evaporates, the water grows saltier and denser This water exits the Mediterranean through the Strait of Gibraltar, the narrow channel between Spain and Morocco that connects the sea to the Atlantic Ocean. Which answer choice is the BEST definition of the word "evaporates" as used in the selection? (A) to become saltier (B) to lose moisture (C) to condense (D) lo dissolve
A city government would like to make their streets more bike-friendly with features such as protected bike lanes. However, government officials are concerned about the effect on traffic flow. They hire a software consultant agency to develop a simulation of the traffic after the proposed changes.
What are the most likely benefits of creating a computer simulation of the proposal?
(Select two answers)
Pilihan jawaban
Once it is developed, the simulation can run at a faster speed than a real-life experiment.
The simulation can try the addition of even more bike lanes without incurring significant extra cost for each lane added.
As long as the software developers are not biased, the simulation will not include any bias for or against cyclists.
Since they are developing the simulation on a computer, it should be able to represent the proposed changes with 100% accuracy.
Once it is developed, the simulation can run at a faster speed than a real-life experiment and the simulation can try the addition of even more bike lanes without incurring significant extra cost for each lane added.
An explanation of procedural abstractionsWriting code portions, referred to as "procedures" or "static methods" in Java, that are generalized by having variable arguments is referred to as procedural abstraction. According on how its parameters are set when it is called, the concept is that we have code that can handle a range of various circumstances.
What advantages can procedural abstraction offer?Programmers are prevented from mistakenly stealing the ideas of other programmers thanks to procedural abstraction. People can read computer programs more easily thanks to procedural abstraction. The necessity for programmers to document their code is removed by procedural abstraction.
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Above all else, what must be protected to maintain the security and benefit of an asymmetric cryptographic solution, especially if it is widely used for digital certificates
To retain the security and benefit of an asymmetric cryptographic solution, especially if it is widely applied to digital certificates, the private key must be maintained.
Which of the subsequent algorithms is used for asymmetric encryption?Modern computers encrypt and decrypt messages using the RSA method. An asymmetric cryptography algorithm is used.
Asymmetric public key cryptography employs a total of one, two, three, or four keys?Asymmetric cryptography, sometimes called public-key cryptography, is a method for encrypting and decrypting messages and safeguarding them from unwanted access or use. It uses a pair of linked keys, a public key and a private key.
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What is the value of scores[2][3] in the following array?
int [] [] scores = { { {88, 80, 79, 92}, {75, 84, 93, 80},
{98, 95, 92, 94}, {91, 84, 88, 96} };
i know the answer is 94 i just have no clue how.....
a. 94
b. 84
c. 93
d. 95
The correct Option is (A), Array is formed like matrix 4 X 4 scores[2][3] indicates index 2 for the row and index 3 for the column is 94.
What is the definition of array?An arrays is indeed a collection of closely related datasets kept in close proximity to one another in memory. The sole way to retrieve each database file directly is by using its index number, making it the most basic data structure.
Why do we employ an array?In order to prevent confusion that can arise when utilizing multiple variables, arrays help in maintaining vast sets of data below a single variable name. arranging the data components: Diverse array algorithms, including bubble sort, selection sort, and insertion sort, can aid in the efficient and effective organization of various data items.
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___________ characters is the average character length that will appear on a mobile device for your email.
25 to 30 characters is the average character length that will appear on a mobile device for your email.
How much time is excessive for an email?The studies and guidance from industry professionals indicate that 125 words maximum is your best bet. However, you should limit it to between 75 and 100 words for optimum impact. This is not to mean that you must adhere to this guideline in every single instance for every email you send.
What is the ideal email character count?40–100 characters is the optimum length. Best practises: Keep in mind that some of your readers might open your emails on their mobile devices. By making your preheader text mobile-optimized, you can raise your open rates.
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If you wanted to securely transfer files from your local machine to a web server, what file transfer protocol could you use?
1. FTP
2. TFTP
3.SFTP
4.NTP
SFTP is the file transfer protocol that encrypts data if you wanted to safely transfer files from your local system to a web server.
How does SFTP operate and what is it?
In order to offer a high level of security for transmitting and receiving file transfers, the Secure File Transfer Protocol, or SFTP, employs secure shell encryption. Similar to FTPS, SFTP secures data using AES and other techniques.
What distinguishes SFTP from FTP?
The "S" is the primary distinction between FTP and SFTP. A secure or encrypted file transfer protocol is SFTP. When using FTP, files are not encrypted when being sent or received. even if your connection is safe, the transmission
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Technician A says oily residue on hoses, components, or fittings indicates an area where refrigerant may be leaking. Technician B says that low coolant level will result in the water pump only heating the engine, not the inside of the car. Who is correct?
Technician A is correct. Technician A says oily residue on hoses, components, or fittings indicates an area where refrigerant may be leaking.
What are the many forms of refrigerant?It typically comprises of pentafluoroethane and difluoromethane, two hydrofluorocarbon refrigerants. The refrigerant R-410A is regarded as non-ozone depleting. This refrigerant offers greater energy efficiency as compared to R-22 and R-407C. It is far more advantageous than R-22 and doesn't include chlorine.
What is the Meaning of refrigerant level?Simply explained, the refrigerant is also known as the life force or blood of your air conditioning system. Low concentrations of the same cause the system to wear down more quickly, requiring more energy to run and keep your home cool. This is because each cooling cycle needs enough refrigerant to absorb and transferring absorbing and transferring heat outside.
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GlobalMan Tech purchased raw material from NewBizTr Co. When the sales team at NewBizTr Co checked the system, there was no payment detail in the system, though the order-delivery details were present. Also, it seemed that someone had tampered with the details of the previous order. Which important data-management features were compromised?
The (BLANK) of data was compromised because there were corresponding payment details. The (BLANK) of data was compromised as someone had tampered with the details of the previous order.
1)
integrity
security
archiving
reusing
2)
integrity
accuracy
security
archiving
Both data security and crucial data management procedures were violated. The privacy of the information was harmed since the order's specifications were changed.
How do security keys work?A privacy key is a tool that makes it easier to access other devices, computer systems, and apps or to do tighter authentication. Security tokens are another name for secret keys. Security keys are item items that need a main device to function.
What makes IT security?Property was pledged as security for a debt or commitment of the owner in the term's original sense, which dates to the middle of the 15th century. The phrase began to refer to a document that proved a debt in the 17th century.
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- What is the function of these 3 types of application software
Word Processing-
Spreadsheet-
Database-
linus has created a virtual network on the cloud service provider his company uses. As part of the setup, it asked him to define a subnet mask, so he put in 255.255.252.0. How many usable IP addresses does that leave him to assign to virtual routers, virtual machines, and other hosts on that subnet
He has 1022 (1024 total, minus 2 for subnet ID and broadcast) useable IP addresses to distribute across hosts, virtual routers, and virtual machines on that subnet.
Which Azure service creates virtual machine instances?Through the Azure interface, one can build virtual machines (VMs) for Azure. This technique offers a browser-based user interface for creating VMs and the resources they need.
Which protocols enable safe remote access between a Windows machine and a Windows VM instance?A bastion host offers SSL-encrypted Remote Desktop Protocol (RDP) communication to your virtual machines (VMs) within the Azure portal. Your VMs do not require a public IP address when connecting via a bastion host.
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which of the following consists of rules and standards that define how a database organizes data?
Answer: The rules and standards that define how a database organizes data are called the database schema. The schema specifies the structure of the database, including the names and data types of the fields in each table, as well as any relationships between tables. It provides a blueprint for how the data is stored and accessed, and it helps to ensure the integrity and consistency of the data within the database. The schema is typically defined using a specialized language or tool, and it can be modified as needed to reflect changes in the data or the needs of the users.
Python Language 7.3 Code Practice
SOLVED-
Using the knowledge in computational language in python it is possible iterable's components are added together and the sum is returned by the sum() function.
Writting the code:class Math:
def __init__(self, num) -> None:
self.num = num
def plus_two(self):
"""Add 2"""
return self.num + 2
def multiply_three(self):
return self.num * 3
from typing import List, Union
def get_name_price(fruits: list) -> Union[list, tuple]:
return zip(*fruits)
fruits = [('apple', 2), ('orange', 3), ('grape', 2)]
names, prices = get_name_price(fruits)
print(names) # ('apple', 'orange', 'grape')
print(prices) # (2, 3, 2)
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For business networks, which of the following is NOT one of the main cable types?
A) Twisted-pair
B) Polyvinyl
C) Coaxial
D) Fiber-optic
The correct answer is (B), Polyvinyl is NOT one of the primary cable types used for corporate networks.
What is network?Two or more computers linked together to pool resources (such printer and CDs), exchange information, or enable electronic communications make up a network. A network's connections to its computers can be made by cables, telephone line, radio frequencies, satellite, or infrared laser pulses.
What is the most common network?Though LAN & WAN networks are the two most common, the following network types may also be mentioned: A LAN that uses Wi-Fi wirelessly network infrastructure is known as a "wireless local area network." Metropolitan Area Networks: A network which covers a geographical area that is wider than that of a LAN but smaller than a WAN, like a city.
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What security measure is used to slow the movement of personnel when entering or leaving a secure area
When entering or exiting a secure area, mantrap security measures are utilized to slow down personnel movement.
What kind of physical security precautions are used to make portable gadgets more improbable to be stolen?In order to prevent theft, loss, and resale, portable equipment like laptops should be properly secured with a lock. The majority of desktop and laptop computers feature built-in slots that can be connected using a cable lock. Most computer stores carry these locks in their inventory.
Which security element is host- or network-based?Network-based or host-based IDS are both options. Network-based IDSs examine network, transport, and application protocols while keeping track of network traffic for specific network segments or devices in order to spot suspicious activities.
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The file management program incorporated into recent versions of Windows is ____.
a. WinZip
b. StuffIt
c. Disk Cleanup
d. File Explorer
File Explorer is the file management application built into more recent iterations of Windows.
Simply put, what is File Explorer?File Explorer, formerly Windows Explorer, is a file manager program that comes preinstalled with versions of the Microsoft Windows operating system starting with Windows 95. For accessing the file systems, it offers a graphical user interface.
Why do I need WinZip, and what is it?WinZip is a Windows software that enables you to archive and compress data for more effective distribution or storage. The previous applications PKZIP and PKUNZIP, which were often used in the DOS operating system, have been replaced by the more powerful and user-friendly WinZip.
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a rts frame is the first step of the two-way handshake before sending a data frame. true or false
It is accurate to say that sending an arts frame precedes sending a data frame in the two-way handshake.
What encryption method does the WPA2 wireless standard employ?The Advanced Encryption Standard (AES) employed by WPA2 is the same one that the US government employs to protect sensitive documents. The highest level of protection you can give your home WiFi network is this one.
What data integrity and encryption technique does WPA2 employ?The Advanced Encryption Standard (AES) encryption, combined with robust message authenticity and integrity checking, are the foundation of the WPA2 protocol, which offers substantially stronger privacy and integrity protection than WPA's RC4-based TKIP. "AES" and "AES-CCMP" are two examples of informal names.
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an arithmetic checksum _______ the individual characters to be transmitted.
The various characters to be transmitted are added together in an algebraic checksum.
What form of arithmetic is employed in the calculation of checksums?Binary arithmetic with one's complement One's complement binary arithmetic is probably used to calculate the checksum of a data set in the most used checksum scheme. When adding one's complement, the carry bit is first included back into the result after computing a standard two's complement sum of two values.
Checksum example: What is it?IT specialists use checksums to identify serious problems in data transmissions. A checksum is a number that indicates the number of bits in a transmission message. After performing a cryptographic hash function, each piece of data or file can be given a checksum value before transmission.
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