Since you are having a hard day at work, but you have to make several phone calls. The thing that you could do to make sure your voice projects a friendly tone is option C: Avoid talking on the phone.
What can you do to ensure that your voice carries a welcoming tone?The listener's ability to comprehend your message is the most crucial component of a voicemail. Don't mumble, and make sure to talk properly and aloud. Speaking softly will make it difficult for the listener to comprehend you and may prevent them from calling you back. Hence, this is not advisable in the above situation.
Note that End statements with a lower tone and queries with a higher pitch. It will appear like you don't believe what you just stated if you end sentences with a high pitch. Changing your voice pitch while you speak is the greatest approach to maintain a welcoming tone and since you are tired, you better wait and not make calls because it may tell in your voice.
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See full question below
What can you do to make sure your voice projects a friendly tone?
Leave a short, curt voice mail message.
Smile when speaking on the phone.
Avoid talking on the phone.
1. For each of the communications listed below, indicate (1) the time period during which the
communication is typically obtained or provided and (2) whether the communication is oral,
written, or either oral or written. Use the following abbreviations in providing your answer:
A. Prior to the engagement
B. Prior to or at the date of the auditors' report
C. Following the date of the auditors' report
D. Either following the date of the auditors' report or as significant matters are identified
E. Oral
F. Written
G. Either oral or written
___ 1. Engagement letter
___ 2. Acceptance letter (signed copy of engagement letter)
___ 3. Attorney letter response
___ 4. Written representations
___ 5. Internal control deficiencies
___ 6. Communications with individuals charged with governance
___ 7. Management letter
Below is the answer containing or each of the communications listed below, indicating the time period during which the communication is typically obtained or provided and (2) whether the communication is written or oral, or either written or oral.
Solution:
1 Engagement letter:
Prior to the engagement and Written
2 Acceptance letter (signed copy of engagement letter):
A Prior to the engagement and Written
3 Attorney letter response:
Prior to or at the date of the auditors' report and Written
4 Written representations
Prior to or at the date of the auditors' report and Written
5 Internal control deficiencies:
Either following the date of the auditors' report or as significant matters are identified and Written
6 Communications with individuals charged with governance:
Following the date of the auditors' report and Either oral or written
7 Management letter:
Following the date of the auditors' report and Either oral or written
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write a method contains() that returns true if the key is stored in the array values. the key is stored using closed hashing with linear probing method and uses keytoindex() as the hash function. (keytoindex() is already defined and provided for you). linear probing means that when we have a collision, we check the next (hence linear) position to see if the key is there (probing). we continue until we find they key or find an empty slot (null) in values. The details of the algorithm are:
Compute the index for the key by calling keyToIndex().
If position index in values is empty (i.e. null) then the key is not found and we return false.
If position index is in use (i.e., not null) then we compare the key with the value stored at index. If they are the same, then the key exists and we return true.
Otherwise, the position index is in use and the key stored there is not the same as the key being searched. This is a collision and we must resolve it using linear probing. Increment the index returned by keyToIndex() by one and check the next position. Continue doing this until either you find a position with the key already stored (return true) or you find an empty position (return false). When you increment index, make sure you wrap it around the end of the values table using the remainder (modulo) so that you check all possible positions.
boolean contains(String key, String values[])
{
int index = keyToIndex(key);
<< your code here >>
Boolean includes (String key, String values[]) <your code here>: int index = keyToIndex(key);.
A technique called hashing is used to distinguish one particular object from a collection of related ones. Let's say a key is given to an item to make searching easier. One can use a straightforward array akin to a data structure to store the key/value combination, where keys (integers) can be used directly as an index to store values.
Hashing should be employed, nevertheless, when the keys are big and cannot be utilized as an index directly. During hashing, hash functions are used to break up huge keys into smaller ones. The values are then kept in a hash table, a type of data structure. Using linear probing the hashing method might be used to produce an array index that has already been used. If this is the case, we can look into each subsequent cell in the array until we discover one that is empty. This method is known as linear probing.
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the following program is supposed to compute only profits (positive earnings) for the first half of the year (6 months). what is logically wrong with the implementation?
The output will be 1 1 1 2 1 4 6. Hence, the output will be 1 1 2 4 5 1 for the second half.
N = 7, and the price is equal to [100 80 60 70 60 75 85].
1 1 1 2 1 4 6 as output
Explanation: Crossing the input span of 100 will result in the span being 1, 80 being less than 100, 1, 60 being less than 80, 1, 70 being more than 60, 2, and so on. The result will therefore be 1 1 1 2 1 4 6.
N = 6, and the price is equal to [10 4 5 90 120 80].
Results: 1 1 2 4 5 1
Explanation: When traversing the input given, the span for 10 will be 1, since 4 is less than 10 and 5 is greater than 4, and the span for 2 and 3.
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the socket on this next motherboard has 906 holes that can hold 906 pins on the processor. which processor brand will fit this socket? what is this socket's contact method? type in the name of the socket.
The processor brand that will fit this socket is FM2+.
The socket's contact method as well as type in the name of the socket are A10-,A8-, and A6-Series of processors. The socket type is contact or AMD FM2+ Socket.What is the socket about?AMD created Socket FM2+, a zero insertion force CPU socket, to connect desktop "Kaveri" and Godavari APUs to the motherboard. With two extra pin sockets, the FM2+ has a somewhat different pin arrangement than Socket FM2.
Therefore, since there is a a micro PGA package with 906 pins. Instead of the FM2+, you can also find this referred to as the Socket FM2b. Compared to the FM2 processor, it features is one that has two extra pins. used with the A10, A8, and A6 CPU series. There are 906 pinholes (PGA) uses AMD Steamroller architecture, and the processor has an integrated graphics controller.
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one very common technique to attack a system is to deliver an e-mail or web page that contains a malicious piece of code called a(n) .
One very common technique to attack a system is to deliver an e-mail or web page that contains a malicious piece of code called an mobile malicious code.
What is malicious code?Malicious code is a type of harmful computer code or web script that is intended to introduce security flaws into a system, opening the door for back doors, information and data theft, and other potential harm to files and computing systems.
Antivirus software may not always be able to stop this kind of threat. Infections brought on by malicious code, which is distinct from malware, cannot always be treated by antivirus software, according to Kaspersky Lab. Malware is a term used to describe malicious software specifically, but malicious code also includes website scripts that can upload malware by taking advantage of security flaws.
It is an auto-executable program that can activate itself and manifest as Java Applets, ActiveX controls, pushed content, plug-ins, scripting languages, or other programming languages intended to enhance Web pages and email, among other forms.
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true or false? in a known-plaintext attack (kpa), the cryptanalyst hs access only to a segment of encrpted data and has no choice as to what that data might be
Yes , it’s true. In a known-plaintext attack (kpa), the cryptanalyst can only view a small portion of encrypted data, and he or she has no control over what that data might be.
The attacker also has access to one or more pairs of plaintext/ciphertext in a Known Plaintext Attack (KPA). Specifically, consider the scenario where key and plaintext were used to derive the ciphertext (either of which the attacker is trying to find). The attacker is also aware of what are the locations of the output from key encrypting. That is, the assailant is aware of a pair. They might be familiar with further pairings (obtained with the same key).
A straightforward illustration would be if the unencrypted messages had a set expiration date after which they would become publicly available. such as the location of a planned public event. The coordinates are encrypted and kept secret prior to the event. But when the incident occurs, the attacker has discovered the value of the coordinates /plaintext while the coordinates were decrypted (without knowing the key).
In general, a cipher is easier to break the more plaintext/ciphertext pairs that are known.
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Which council was designed to streamline the processing of information regarding issues of national security?.
The National Security as revised by the National Security Act Amendments of 1949, created the National Security Council (NSC) to streamline the processing of information regarding issues of national security
The President typically discusses national security and foreign policy issues with his top national security advisers and cabinet members at the National Security Council (NSC). The Council's role has been to advise and assist the President on matters of national security and foreign policy ever since it was established by President Truman. The Council also acts as the President's main tool for liaising between various government entities to implement these policies.
The President serves as the NSC's chair.The Assistant to the President for National Security Affairs, the Vice President, the Secretary of State, the Secretary of the Treasury, the Secretary of Defense, and others regularly attend (both statutory and non-statutory). The official military advisor to the Council is the Chairman of the Joint Chiefs of Staff, while the official intelligence advisor is the Director of National Intelligence.
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string word: a string that consists of only lowercase Latin letters Returns int. the number of good subsequences modulo(10 9+7)Constraints -1≤length of word≤10 5- word[i] is in the range [a-z] - Input Format For Custom Testing The first and the only line consists of a string, word. - Sample Case 0 Sample Input For Custom TestingSTDIN abcd FUNCTION → word = "abcd" Sample Output 15 Explanation All of the non-empty subsequences are good subsequences. 2. Good Subsequences A subsequence of a given string is generated by deleting zero or more characters from a string, then concatenating the remaining characters. A good subsequence is one where the frequency of each character is the same. Given a string that consists ofnLatin letters, determine how many good subsequences it contains. Since the answer can be quite large, compute its modulo(10 9+7)Note: An empty subsequence is not a good subsequence. Example word = "abca" A total of 15 non-empty subsequences can be formed from words. The only subsequences that are not good, are "aba", "aca" and "abca" as the frequencies of character "a" is 2 and every other character is 1. The total number of good subsequences=153=12and answer to the above example=12modulo(10 9+7)=12. Function Description Complete the function countGoodsubsequences in the editor below. countGoodsubsequences has the following parameter(s):
Using the knowledge in computational language in python it is possible to write a code that consists of only lowercase Latin letters Returns int.
Writting the code:import bisect
mod = 10 ** 9 + 7
# HELPER FUNCTION:
# Calculating nCr % mod
def ncr(n, r):
# Initializing numerator and denominator to 1
numerator, denominator = 1, 1
# Iterating over [0, r - 1]
for i in range(r):
# Applying mod on each step
numerator = (numerator * (n - i)) % mod
denominator = (denominator * (i + 1)) % mod
# NOTE: modinverse of x and n is equal to mod of (x ^ (n - 2)) and n
return (numerator * pow(denominator, mod - 2, mod)) % mod
def countGoodSubsequences(word):
# Storing the length of the word
n = len(word)
# Building the frequency dictionary for the letters of the word
freqs = dict()
# Iterating over the letter word by word
for letter in word:
# Updating the frequency for that letter
# If there is no value for that letter, add a value of 0
if letter not in freqs:
freqs[letter] = 0
# Then, increment the value corresponding to that letter
freqs[letter] += 1
# Obtains the sorted counts of each letter
counts = sorted(freqs.values())
# Get the length of counts
lens = len(counts)
# Initialize the result to 0
res = 0
# Iterating over the frequencies [1, n]
for i in range(1, n + 1):
# Initializing the number of subsequences where each element has frequency i to 1
freq_i = 1
# bisect_left returns the first index of counts that is greater than or equal to i
# That is, it finds the first frequency that is atleast i
ind = bisect.bisect_left(counts, i)
# Now, for all the elements having frequencies,
# counts_1, counts_2, counts_3 ... such that counts_1, counts_2, counts_3 .... are all greater than or equal to i,
# there are a total of (1 + (counts_1) C (i) * (1 + (counts_2) C (i) ) ...... -1 subsequences, nCr is (n!) / (c! * r!)
# Iterating over [ind, lens) to count the total number of subsequences where each element has frequency i
for j in range(ind, lens):
# Updating freq_i
freq_i *= (1 + ncr(counts[j], i)) % mod
# Applying mod
freq_i %= mod
# Updating res
res += (freq_i - 1)
# Applying mod
res %= mod
return res
# Sample case
print(countGoodSubsequences("abca"))
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Why was Tesla coil an invention
your team is getting ready to start coding a new digital product based on validated learning about a focal user and some key propositions. you've got a story map of focal user experiences with user stories. before jumping into development, you think the team should take a step that would help to keep user outcomes top of mind. what might you recommend that the team focus on next?
Design thinking can also help to create the right environment for a true and much broader understanding of the customer's voice.
What is meant by design thinking?Design thinking refers to the set of cognitive, strategic, and practical procedures used by designers in the design process, as well as the body of knowledge developed about how people reason when confronted with design problems.Design thinking is a problem-solving method that prioritises the needs of the consumer above all else. It is based on observing people's interactions with their environments with empathy and employs an iterative, hands-on approach to creating innovative solutions.While design thinking is an ideology founded on designers' workflows for mapping out design stages, its goal is to provide all professionals with a standardised innovation process for developing creative solutions to design-related or non-design-related problems.To learn more about design thinking refer :
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Answer:
test
Explanation:
a user reports that she can't connect to a server on your network. you check the problem and find out that all users are having the same problem. what should you do next?
Since the user reports that she can't connect to a server on your network. you check the problem and find out that all users are having the same problem. The thing that you should do next is option B: to Determine what has changed.
How Do You Define Network Server?A network server is a computer built with the purpose of serving as a central repository and aiding in providing other computers on the network with resources such as hardware access, disk space, printer access, etc.
Therefore, on your network, the ways to locate the server are:
Launch the Command Prompt.In the Command Prompt, enter "Tracert" and the website's address.Next to the website's URL, take note of the IP address.In the search bar, paste the IP address.The information page will have the country location listed.Learn more about server from
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See full option below
What should you do next?
- Create an action plan.
- Determine what has changed.
- Established the most probable cause.
- Identify the affected areas of the network.
What is an SI base unit?
A.
an internationally accepted standard used to measure a physical quantity
B.
a unit formed through mathematical operations of accepted international units of measurement
C.
the smallest unit used to measure a physical quantity
D.
any unit that does not belong to the metric system
NEED ANSWERED ASAP
Answer:a
Explanation:
which data mining process/methodology is thought to be the most comprehensive, according to kdnuggets rankings?
CRISP-DM methodology is thought to be the most comprehensive, according to kdnuggets rankings.
What is data mining?Analyzing a vast amount of data to find patterns and trends is known as data mining.Businesses can utilize data mining for a variety of purposes, such as figuring out what products or services their customers are interested in purchasing, as well as for fraud and spam filtering.Based on the information users supply or request, data mining systems analyze patterns and connections in data.In order to make money, social media corporations utilize data mining techniques to commodify their users.Since consumers frequently are not aware that data mining is taking place with their personal information, especially when it is used to influence preferences, this use of data mining has come under fire recently.To learn more about data mining, refer to
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what is a data collector set, and what are the three basic types of data collection tools and formats?
Answer:
A set of strategies for gathering performance and diagnostic data and presenting it in a report or log style. The fundamental data collection approaches can include one or more of the following: performance counters, event traces, and system configuration data.
Performance counters and performance counter reports, traces and trace reports, and system configuration data are the three basic types.
write the definition of an exception class named panicexception that does not have its own error message
Coding faults and flaws are quite common. The truth is that even the greatest code is rarely error-free, despite the fact that extremely well-written programs might claim to have fewer problems.
What class named panic exception own error message?Additionally, when features are added, code is modified, it is updated, and refactored, flaws can sneak into the code. Minor mistakes cause hiccups during program execution, although they don't necessarily result in a system crash.
Therefore, But that does not imply that they are not serious. In fact, if those issues are not resolved, they may end up being more dangerous in the long term.
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which of the following statements is not true? group of answer choices the dom for a web page is built as the page is loaded by the web browser. the dom is a hierarchical collection of nodes in the web browser's memory. you can modify the dom using the properties and methods that are defined by the dom core specification. to display changes made to the dom, you must refresh the web page.
The browser asks the server to transmit a copy of the website to the client by sending it an HTTP request message (you go to the shop and order your goods). TCP/IP is used to send this message and any other data between the client and the server over your internet connection.
What page is loaded by the web browser?The Document Object Model is a programming environment for web documents (DOM). So that software can alter the document's structure, appearance, and content, it serves as a representation of the page.
Therefore, Because the document is represented by the DOM as nodes and objects, programming languages can communicate with the page.
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a cloud administrator is migrating services from the on-premises network to the cloud network. what phase of the lifecycle roadmap does this activity fall in?
There are three stages to migrating to the cloud: planning, mid-shift, and go-live. Once the decision has been made that cloud computing is the best solution to address the business difficulties you are facing.
The process of shifting digital company processes to the cloud is known as cloud migration. Similar to a physical move, cloud migration entails moving data, programs, and IT procedures from one data center to another, as opposed to packing up and transporting actual physical items. the CloudEndure Migration Factory should receive wave data import. Get the source servers ready. Check the status of server replication. Migration test, please.
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What term was discussed to describe how surgeons use augmented reality, high-definition video, and real-time data readings from medical sensors to control the remote robotic surgical tool?.
A terminology which was discussed to describe how surgeons use augmented reality, high-definition video, and real-time data readings from medical sensors to control the remote robotic surgical tool is telesurgery.
What are the forms of Extended Reality (ER)?In Computer technology, there are four (4) main types of Extended Reality and these include the following:
Virtual RealityMixed RealityHaptic RealityAugmented RealityWhat is telesurgery?In Artificial intelligence, telesurgery is sometimes referred to as remote surgery and it can be defined as a type of technology which avails a surgeon an ability to remotely perform surgery on a patient, especially through the use of high-definition video, real-time data readings, and Augmented Reality (AR).
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You want to implement an authentication method so that different password attacks, like dictionary attacks, brute force attacks, etc., will not result in unauthorized access to the web application hosted by your enterprise. You want to do this by not using any specialized hardware or making any changes to the user's activity during the authentication process. Which of the following methods should you apply? You should implement keystroke dynamics. You should implement fingerprint authentication. You should implement iris scanning. You should implement facial recognition. 10. Sam is working as a cybersecurity expert. An enterprise that manages nuclear powerplants approached Sam's company to install an authentication facility for its employees when they access the nuclear plant. The enterprise is demanding multifactor authentication with high security, lowest false acceptance rate, and lowest false rejection rates. Which of the following authentication methods should Sam apply? PIN and face recognition PIN and gait recognition PIN and fingerprint scanner PIN and password 11. In an interview, you were asked to crack a password and told that the password is a commonly used word. Which of the following methods should you apply? You should perform a brute force attack. You should perform a dictionary attack. You should perform a rule attack. You should perform skimming. 12. You are asked to choose a secure authentication method other than a username and password for the employees to access your enterprise's database. Which of the following should you choose? Gait recognition Smart card authentication Security key authentication Facial recognition
Security key authentication. Biometric authentication uses a user's distinctive biological characteristics to confirm their identification.
As a result, biometrics are currently among the most secure authentication techniques. Knowledge factors, possession factors, inheritence factors, location factors, and behavior factors make up the five basic types of authentication factors. Answering a personal security question is often required for knowledge-based authentication. Passwords, four-digit personal identification numbers (PINs), and one-time passwords are the most common knowledge factor technologies. In order to access a resource like an application, an online account, or a VPN, the user must submit two or more verification factors, which is known as multi-factor authentication (MFA).
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you want to view how your worksheet will print and make edits to the worksheet in this mode. what is the easiest way to accomplish this?
Since you want to view how your worksheet will print and make edits to the worksheet in this mode. The thing that is the easiest way to accomplish this is to select Page Layout on the bottom of the page in the area of the status bar.
Where is the status bar button for page layout?The three standard worksheet view options are Normal View, Page Layout View, and Page Break Preview. The three buttons are located in the bottom right corner.
Therefore, in regards to your work above, you can see a preview of the data that will appear on the printed when you choose one or more sheets and choose File > Print. Choose the worksheet(s) you want to preview. To access the Preview window and printing options, select File and then click Print. keyboard shortcut Additionally, you can use Ctrl+F2.
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computer 1 on network b, with ip address of 192.168.1.233, wants to send a packet to computer 2, with ip address of 10.1.1.205. on which network is computer 2?
IP address of 10.1.1.205. on computer2. i.e. computer two is connected with subnet.
What IP address means?Internet Protocol address is referred to as an IP address. A set of guidelines known as the Internet Protocol governs online interactions such as sending email, streaming video, and connecting to websites. On the internet, a network or device is identified by its IP address.Select the network you are currently connected to by going to your WiFi network settings. Your IP address may be found alongside the other network details.An IP address range is all that a subnet is. Without using any routers, all the devices on the same subnet may connect with one another directly. A network interface in IPv4 only connects to one subnet and has a single IP address.
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What is the goal of staging? A. to make the player feel scared B. to visually set the mood or idea C. to communicate the rules of the game D. to show the player how to beat the game
The goal of staging is: B. to visually set the mood or idea.
What is a game development tool?In Computer technology, game development tool can be defined as a set of specialized software programs that are typically used by game developers or programmers for the design and development of a game, and these include the following:
EmulatorLevel editorGame engineModeling toolScripting toolDuring a game development project, the terminology "staging" simply refers to a process through which the mood or idea about a particular game is virtually set by a game developer set, in order to prepare the game player's psych and mind.
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in an erlang loss model, customers who arrive when all servers are busy are lost to the system. group of answer choices true false
In an Erlang loss model, customers who arrive when all servers are busy are lost to the system is true.
What is the Erlang loss model definition?The first publication of Erlang's M/M/C/C queue, or Erlang loss model, was in 1917 . It simulates a scenario where calls are received at a phone exchange using a Poisson process with rate, call holding durations are exponentially distributed with mean, and C lines are available.
Therefore, Erlang loss model assumes that each client is handled by a single server and that clients do not have to wait. Hence, the statement above is correct.
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which access feature is used to divide an access database into two files: one file contains the tables of the database and the other file contains the queries, forms, reports, and other database objects.
To split an Access database into two files, utilize the Split Database functionality. The database's tables are contained in the first file, while the second file houses the queries, forms, reporting, and database queries.
Describe a database.
A database is a collection of data organized for quick access, management, and update. In computer databases, information including such sales transactions, customer information, financial data, and product information are often stored as collections of collected data or files. Databases can be used to hold, organize, and access any kind of data. They gather data on people, places, or objects. To enable observation, that information is compiled in one location. Databases can be seen as a well-organized collection of data.
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In java, how do I make a scanner class?
Answer:
Scanner input = new Scanner(System.in);
you need to determine the priority of several processes. which command should you enter to identify the process id and nice value for each process?
The command you must enter to identify the process ID and the nice value of each process is the top command.
Since, the top command is used to display the resource usage of all processes running on a system. Such as:
The process ID (PID)User ID (UID)CPU usageMemory usagePriority (nice value)The command being executedWhat are the commands in a process ID?Ps: Display information about currently running processes.Top: Display information about all running processes.Kill: Terminate a process by its process ID.Nice: Change the priority of a process.Renice: Change the priority of an already running process.Strace: Trace system calls and signals for a process.Isof: List open files for a process.Itrace: Trace library calls for a process.Pmap: Display memory usage information for a process.Gdb: Debug a process by its process ID.Learn more about the commands in a process ID:
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FILL IN THE BLANK. Fill in the blank: A technique is used to balance traffic by iterating a list of items one by one from is known as ____. multiple choice, shuffle1. Round Robin2. Recursion3. Authoritative lookup4. Multiplexing
A technique is used to balance traffic by iterating a list of items one by one from is known as Round Robin.
What is round robin?One of the techniques used by process and network schedulers in computing is round-robin. Time slices are allocated to each process in equal parts and in circular order, as the word is typically employed, handling all processes equally.Other scheduling issues, such data packet scheduling in computer networks, can be solved with round-robin scheduling. It relates to operating systems.As soon as the time quota is reached, the scheduler removes the process from the CPU, making the round-robin algorithm a preemptive algorithm.A round robin is a scheduling technique used by sports teams in which each player competes against every other player in the competition. This is also known as a round robin competition.To learn more about round-robin refer :
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in the event of a duplicate mac address shared by two hosts on a switched network, what statement is accurate?
The hosts will still send and receive traffic, but traffic may not always reach the correct destination.
What is Ibgp route reflection?One way to get rid of the full-mesh of IBGP peers in your network is by using route reflectors (RR). BGP confederations are the alternative strategy.This greatly simplifies our IBGP arrangement, but there is a drawback as well. The route reflector can malfunction. When it comes to IBGP peerings, there is a single point of failure. We can have numerous route reflectors in our network as a solution, of course.Three types of peerings are possible for the route reflector:
neighbouring EBGPIBGP neighbour clientNon-client IBGP neighbourYou must inform the router if the other IBGP router is a client or non-client when configuring a route reflector.To learn more about Ibgp route, refer to
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you want to connect your small company network to the internet. your isp provides you with a single ip address that is to be shared between all hosts on your private network. you do not want external hosts to be able to initiate connections to internal hosts. what type of network address translation (nat) should you implement?
For the purpose of sharing public addresses among numerous private hosts, use Dynamic Network Address Translation (NAT).
Dynamic NAT permits private hosts to connect to the internet but forbids public hosts from initiating connections with private hosts.
A large number of hosts with private IP addresses can share an equal or smaller number of public IP addresses in a dynamic NAT.To link a port number to a request from a private host, the NAT router employs Port Address Translation (PAT).
Although it may appear to be very similar to a Dynamic PAT, the main distinction is that this is a NAT—only the IP address is changing. This means that a single public IP address cannot be used simultaneously by several internal Hosts.
It should be noted that individuals frequently use the phrase "dynamic NAT" when talking about address translation when they really mean "dynamic PAT." Dynamic NAT is rarely utilised in production for the reasons stated above. It is a dynamic PAT if a single IP address is used by numerous internal users and if the port number changes.
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write a program that keeps names and email addresses in a dictionary as key-value pairs. the program should display a menu that lets the user look up a person’s email address, add a new name and email address, change an existing email address, and delete an existing name and email address. the program should save the data stored in a dictionary to a file when the user exits the program. each time the program starts, it should retrieve the data from the file and store it in a dictionary. the program should include the following functions: a. a function to display a menu. b. a function to look up a person’s email address. c. a function to add a new name and email address. d. a function to change an email address. e. a function to delete a name and email address. f. a function to load emails from a file. g. a function to save emails in a file. h. write main function with a loop that displays the menu allowing the user to select an operation from the menu; the program continue until the user enter 5. i. validate all user input. your program should check user input; for example, if the user wants to search or delete a name that does not exist in the dictionary, you should print something like the name is not in the database. if the user selects invalid operation from the menu, the program prints an error and allows the user to renter a valid operation; the program continue asking for a valid operation until a user selects a valid operation.
To write a program that keeps names and email addresses in a dictionary as key-value pairs check the code given below.
What is key-value pairs?In a key-value pair, two related data elements are combined: a value, which is a variable that belongs to the set (for example, male/female, green, 100), and a key, which is a constant that defines the data set (for example, gender, color, price).
A key-value pair could look something like this when fully formed:
gender = male
color = green
price > 100
↓↓↓//Python code//↓↓↓
import pickle
import sys
try:
f=open('email.dat','rb')
d=pickle.load(f)
f.close()
except:
d={}
while True:
print('\n1. Find a email address')
print('2. Add name and email address')
print('3. Change an email address')
print('4. Delete an email address')
print('5. Exit\n')
choice=input('\nEnter a choice: ')
if choice:
choice=int(choice)
else:
print('\nEnter a number')
continue
if choice == 1:
while True:
name=input('\nEnter the name ')
if name:
if name in d:
print('\n%s is the email id of %s \n' % (d[name],name))
break
else:
print('\n Email not found \n')
break
else:
print('\nName cannot be empty\n')
continue
elif choice==2:
while True:
name=input('\nEnter the name ')
if name:
break;
else:
print('\nName cannot be empty \n')
continue
while True:
email=input('\nEnter the email address ')
if email:
d[name]=email
break
else:
print('\nEmail cannot be empty\n')
continue
elif choice==3:
while True:
name=input('\nEnter the name to change the email address ')
if name:
if name in d:
email=input('\nEnter the new email address ')
d[name]=email
print('\nEmail address changed \n')
break;
else:
print('\nName not found \n')
break
else:
print('\nName cannot be empty \n')
continue
elif choice == 4:
while True:
name=input('\nEnter the name to remove ')
if name:
if name in d:
del d[name]
print('\nName and Email address removed \n ')
break;
else:
print('\nName not found \n')
break
else:
print('\nName cannot be empty\n')
continue
elif choice == 5:
f=open('email.dat','wb')
pickle.dump(d,f)
f.close()
sys.exit()
else:
print('\nEnter a valid choice ')
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