The true statement for concerning the sas automatic variable error is "it cannot be used in an if/then condition".
What is sas automatic variable?
The DATA phase automatically creates automatic variables, which are SAS system variables. These variables are included in the program's data vector but not in the data set that is output. From one iteration of the DATA step to the next, the values of automatic variables are kept rather than being set to missing.
The macro processor automatically generates macro variables that provide a range of data. They are helpful in programs to determine whether a condition is still true before running code. The same rules apply to creating macro variables as they do to automatic macro variables like &SYSLAST or &SYSJOBID.
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a constraint between two attributes is called a(n): a constraint between two attributes is called a(n): functional relation constraint. functional relation. functional dependency. attribute dependency.
A functional dependency is a restriction between two properties. A key is an attribute, or group of attributes, that enables us to identify table rows in a certain way. Additionally, it aids in developing connections between tables.
An attribute with multiple meanings is called a synonym. Synonyms exist when two or more qualities describe the same aspect of an entity. A foreign key with a value that is distinct across all relations is known as an enterprise key. Two new relations are established when a multivalued attribute is present in the ordinary entity type. With the exception of the multivalued attribute, the first relation comprises all of the entity type's attributes. Two attributes in the second relation make up the second relation's primary key.
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a golf enthusiast regularly watches instructional videos about golf, has recently searched for the best golf clubs on , and has researched golf courses on maps. which type of search audience solution would best reach this individual?
Audience of affinity is the type of search audience solution would best reach this individual.
You can build your own affinity audience with Custom Affinity Audiences, which are specifically tailored by interest keywords, URLs, and apps that you enter. The audience that exhibits the enthusiasm, lifestyle, manner, etc. of the relevant topic is known as an affinity audience. This makes it easier for advertisers to target those individuals who continue to have a positive relationship with their goods, services, or experiences in terms of usage, etc. Affinity audiences will, based on the question, be the best search audiences for anyone interested in learning more about gold and related components. The person is browsing videos and other golf-related content because he is an avid golfer.
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we receive several blocks of ciphertext in cfb mode. an error has changed a single bit in the middle of the ciphertext. how much of the plaintext will be affected by the error when we decrypt it?
When we decrypt it, the fault will affect the plaintext. One bit and one block.
What are encryption and decryption?The process of encryption converts plain text data (plaintext) into something that would seem random and meaningless (ciphertext). Decryption is the process of converting ciphertext to plaintext.Encryption is the process of transforming information it in to a secret code that hides its true intent. The study of information encryption and decryption is known as cryptography. Ciphertext and plaintext are terms used to describe different types of data in the computer world.Data is encrypted so that only those with the secret key (formally referred to as a decryption key) or password may decipher it in its new form, or code.To learn more about encryption and decryption refer to :
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write a function that draws a frog. call the function to be sure it works. put your python code for this answer.
Using the knowledge of computational language in python it is possible to write a code that write a function that draws a frog and call the function to be sure it works.
Writting the code:def DrawFrog():#Function to draw the frog
#the four print lines results in shape of the frog
print(" ")
print(" (----) ")
print(" ( >--< )")
print(" ^^ __ ^^")
return None #retruns nothing
for i in range(4):#for loop
print("Frog",i+1)
DrawFrog() #calling the function
print() #to go to next line
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your enterprise recently decided to hire new employees as work-from-home interns. for the new employees to work from home, you need to create a network that will allow them to securely access enterprise data from remote locations. which technology should you use? s/mime ftps vpn snmp
A technology which you should use to create a network that will allow them to securely access enterprise data from remote locations is: C. VPN.
What is a VPN?A VPN is an abbreviation for Virtual Private Network and it can be defined as a secured, encrypted and private web-based service that is typically used for accessing region-restricted and censored internet content from remote locations.
Generally speaking, a Virtual Private Network (VPN) refers to a computer software that enable internet users to remotely create a secured connection (sends and receives data) over public or shared networks, as if they are directly connected to the private network.
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Where in the dashboard would you primarily view and engage with your audience and the social media content published by others?.
Answer is Tabs and Streams.
The Dashboard Would You Primarily View And Engage With Your Audience And The Social Media Content Published By Others is tabs and streams.
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which statement describes a characteristic of the sas automatic variable error ? a. the error variable maintains a count of the number of data errors in a data step. b. the error variable is added to the program data vector and becomes part of the data set being created. c. the error variable can be used in expressions in the data step. d. the error variable contains the number of the observation that caused the data error.
Option c is correct. The statement that describes a characteristic of the SAS automatic variable error is the error variable can be used in expressions in the data step.
When a session is launched, SAS automatically creates automatic variables, which are system variables. Automatic macro variables and automatic DATA step variables are both created by SAS. The system-generated variables that are formed when the DATA step is executed have the names of automated variables reserved for them. It is advised against using names in your own apps that begin and conclude with an underscore.
The DATA step or DATA step statements can automatically create variables. However, they are not output to the data set that is being created; instead, they are added to the program's data vector. From one iteration of the DATA step to the next, the values of automatic variables are kept rather than being set to missing.
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what powershell cmdlet will import the cmdlets and scripts necessary to create and manage nano server vhd images?
The New-NanoServerImage PowerShell cmdlet can be used to create a new Nano Server Image. This will only produce a new Nano Server Image in a VHDX that contains the VM Guest drivers.
Which cmdlet is used to create a nano Server image?The bundled Nano Server Windows image (. wim) file is converted into a VHD or VHDX image using the New-NanoServerImage cmdlet, which also reuses the existing image if one already exists.Since there is no GUI on the server itself, Nano Server is a "headless" OS. The Nano management experience is dominated by PowerShell. Naturally, this implies you can use our IIS PowerShell cmdlets to handle IIS on Nano.With the aid of a graphical interface, the Nano Server Image Builder enables you to create a unique Nano Server image and bootable USB media. It generates images for deployment based on the inputs you supply.To Learn more About New-NanoServerImage Refer to:
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which advanced spanning tree protocol (stp) feature prevents certain switch ports from connecting to other switches to prevent switching loops and unauthorized connections?
The advanced spanning tree protocol (stp) feature that prevents certain switch ports from connecting to other switches to prevent switching loops and unauthorized connections is BPDU Guard.
The Layer 2 Spanning Tree Protocol (STP) topology is protected by the BPDU Guard feature, which was created to safeguard the switching network from BPDU-related threats. On ports that should not be receiving BPDUs from connected devices, the BPDU guard feature needs to be enabled.
You need to connect to end devices if you configure switch ports using the Spanning Tree Protocol (STP) PortFast functionality (workstations, servers, printers, and so on). Only the access port has PortFast enabled in order to hasten the transition from the access port to the STP forwarding state. End devices shouldn't produce BPDUs because network switches normally exchange BPDU messages in a typical network environment.
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BPDU Guard Spanning Tree Protocol (STP) prevents certain switch ports from connecting to other switches to prevent switching loops and unauthorized connections.
The Spanning Tree Protocol (STP) family is intended to eliminate potential loops. By preventing loops, broadcast storms that could potentially destroy the network are avoided. To determine the LAN topology, choose the root bridge, cease port forwarding, and other tasks, Spanning Tree Protocol (STP) processes on bridges exchange BPDUs. However, a misbehaving user application or device might obstruct the Spanning Tree Protocol (STP) performance and disrupt a network.
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a network switch is configured to perform the following validation checks on its ports: all arp requests and responses are intercepted. each intercepted request is verified to ensure that it has a valid ip-to-mac address binding. if the packet has a valid binding, the switch forwards the packet to the appropriate destination. if the packet has an invalid binding, the switch drops the arp packet. which security feature was enabled on the switch to accomplish this task?
The security feature that was enabled on the switch to accomplish this task is Dynamic ARP Inspection
Where is dynamic ARP configured?The database of legitimate IP-to-MAC address bindings used by dynamic ARP inspection is called DHCP snooping bindings. The DHCP snooping binding database entries are subordinate to ARP ACLs. ACLs are only used by the switch if they are set up using the ip arp inspection filter vlan global configuration command.
Networks are shielded from man-in-the-middle ARP spoofing attacks by MS switches' Dynamic ARP Inspection (DAI) security function. DAI validates Address Resolution Protocol (ARP) packets by inspecting them on the LAN and using the data in the DHCP snooping table on the switch. 5 Oct 2020
Note that a trusted database is used to perform an IP-to-MAC address binding inspection as part of dynamic ARP inspection to ascertain the validity of packets.
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after encountering a network attack in your enterprise network, the chief network security engineer assigned you a project. the project was to create a vulnerable network that is similar to your enterprise network and entices the threat actor to repeat the attack. this is to analyze the behavior and techniques the attacker is using to ensure better defenses to your enterprise network in the future. which of the following appliances should you use? a.you should use a honeynet b.you should set up network access control. c.you should use a proxy server. d.you should set up behavioral ids monitoring.
A network attack is an attempt to gain unauthorized access to a company's network with the goal of stealing data or engaging in other damaging conduct.
Generally speaking, there are two types of network attacks: When an attacker gains access to a network and is able to monitor or take sensitive data, they do so passively and leave the data unmodified.
Attackers actively alter data in addition to obtaining unauthorized access to it by deleting, encrypting, or otherwise harming it.
attacks that use the company's software's bugs to compromise, sabotage, or gain unauthorized access to systems.
Complex, multilayered dangers known as advanced persistent threats include both network attacks and other attack types.
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consider a 32-bit address for a two-level paging system with an 8 kb page size. the outer page table has 1024 entries. how many bits are used to represent the second-level page table
Virtual addresses are divided into an offset, an 11-bit second-level page table field, and a 9-bit top-level page table field.
The maximum size of the Page Directory and Page Tables, which also happens to be the Page Frame size, is 4 Kbytes. Page Directory and Page Table entries are each 4 bytes long. The high-order 20 bits identify the page table or page frame's foundation. There are 227 addresses in the memory's 128 MB address area. However, there are 224 words because each word takes up 8 (23) bytes. To address each word, you need log2 224, or 24 bits. A 9-bit address exists in 512 x 8 RAM; we will divide this address into 2 and 7-bit addresses.
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the customer table contains a foreign key, rep num, that must match the primary key of the rep table. what type of update(s) to the customer table would violate the foreign key constraint?
A foreign key constraint, on the other hand, creates a connection between two distinct tables in order to specifically identify a row of the same table or another table.
The essential building blocks for creating a relationship between two tables are crucial in MySQL.
A database's foreign key is a collection of one or more columns used to uniquely identify a database record in a different table and preserve referential integrity. It is sometimes referred to as the reference key since it creates a connection between two different database tables.
The primary key column in another table must always match the foreign key column. It denotes that a primary key column of one table is referenced by a foreign key column in another table. When normalizing a relational database, a foreign key is useful, especially when we need to access data from other tables.
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d. now assume weighted fair queueing (wfq) service. assume that odd-numbered packets are from class 1, and even-numbered packets are from class 2. class 1 has a wfq weight of 2, while class 2 has a wfq weight of 1. note that it may not be possible to achieve an idealized wfq schedule as described in the text, so indicate why you have chosen the particular packet to go into service at each time slot. for each packet what is the delay between its arrival and its departure? what is the average delay over all 12 packets?
Here, we simulate or roughly approximate the WFQ using the Weighted Round Robin. There are 3 time slots in each round.
What is weighted fair queueing (wfq) service? Weighted fair queueing (WFQ) is a technique for automatically reducing average latency and preventing exaggerated differences between the transmission efficiency offered by narrowband and broadband signals. It is used in packet-switched communication networks to smooth out the flow of data.Be mindful that WFQ computation is difficult. Here, we use the Weighted Round Robin to imitate or nearly approximate the WFQ. Every round has three different time windows. Class 1 is given two time slots and class 2 is given one if packets need to be distributed to both courses. 4In contrast to WRR, which manages packets in each scheduling turn, WFQ services bits at each scheduling turn. The quantity of packets that will be handled by each scheduling turn.To learn more about weighted fair queueing (wfq) service refer to:
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an engineer wants to write out the instructions for an algorithm without yet implementing those steps using a programming language. in this scenario, the engineer would want to use . a.) html b.) a network c.) just-in-time compiling d.) pseudocode
Answer:pseudocode
Explanation:I guessed and got it right on sophia :)
write a c recursive function that finds the maximum value in an array (or vector) of integers without using any loops. you may assume the array will always contain at least one integer. do not modify the array
If you want to predefine the vector array you can use this code.
#include <bits/stdc++.h>
int eval(std::vector<int> v, int n) {
return (n==1) ? v.at(0) : std::max(v.at(n-1), eval(v,n-1));
}
int main() {
std::vector<int> vector {1,2,3,4,90,1234,9,0,45,-7};
std::cout << "The maximum is: " << eval(vector,vector.size());
return 0;
}
If you want the user to fill the vector array, you should use this.
#include <bits/stdc++.h>
int eval(std::vector<int> v, int n) {
return (n==1) ? v.at(0) : std::max(v.at(n-1), eval(v,n-1));
}
int main() {
std::cout << "How many elements will you append?: ";
int size; std::cin>>size;
std::vector<int> vector;
for(int i=0;i<size;i++) {
std::cout << i+1 << ". element: ";
int temp; std::cin>>temp; vector.push_back(temp);
}
std::cout << "The maximum is: " << eval(vector,vector.size());
return 0;
}
In Python, what is the major difference between dictionaries and strings?
A) Dictionaries hold any data type, while strings hold only keys.
B) Dictionaries hold only keys, while strings hold integers that code letters.
C) Strings cannot be changed after creation, while dictionaries can be changed.
D) Strings hold only characters, while dictionaries hold any data type
Answer:
C) Strings cannot be changed after creation, while dictionaries can be changed.
steven is a forensic examiner. he is interested in examining the pictures across all user profiles to look for evidence of malicious activity. where should he begin his search for these files?
From the sidebar, the website, and the location bar. Open File Explorer and use the search box on the right of the address bar to look for files. Click or tap to launch File Explorer. All folders and subfolders in the library or folder you're viewing are searched.
Launch File Explorer again. Ensure that Windows Search Service is turned on. Modify the search parameters. Permit indexing of file contents In the taskbar's lower left, next to the Start button, press the WIN key or choose the search bar. Do not hit Enter until you have finished typing the name of the file, application, or other thing you are looking for. Results are displayed right away.
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what chkdisk flag allows chkdsk to go directly to a corrupted spot identified by the spot verifier service?
Spotfix chkdisk flag allows chkdsk to go directly to a corrupted spot identified by the spot verifier service.
What is Spotfix?A new parameter called Spot Fix quickly scans the disk for issues and fixes them. Instead of counting the number of files as it did in earlier versions of Windows, the time it takes to execute chkdsk using spotfix is based on the amount of corruptions. This indicates that everything is fixed immediately.Spot-fixing is an attempt to cheat bookmakers by having a player perform in a predetermined way to alter the outcome of that particular event. Spot-fixing is distinct from match-fixing, in which the outcome of a game is predetermined, and point-shaving, in which players (or officials) try to reduce the winning margin of the favorite side.To learn more about chkdsk refer to:
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virtual private networks (vpns) and which standard have historically suffered from conflicts when used together?
Virtual private networks (VPNs) and Advanced Encryption Standard have historically suffered from conflicts when used together.
The U.S. National Institute of Standards and Technology's (NIST) Advanced Encryption Standard (AES), commonly referred to by its original name Rijndael (pronounced [rindael] in Dutch),[5] is a specification for the encryption of electronic data that was created in 2001.
Two Belgian cryptographers, Joan Daemen and Vincent Rijmen, created the AES variation of the Rijndael block cipher and presented a proposal to NIST as part of the AES selection process.
The term "Virtual Private Network," or VPN, refers to the possibility of creating a secure network connection when utilizing public networks. VPNs mask your online identity and encrypt your internet traffic. This makes it more challenging for outside parties to monitor your online activities and steal data. Real-time encryption is employed.
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Virtual private networks (VPNs) and traditional Network address translatio(NAT) have historically issues when used together.
Conventional NAT will not function if the data traffic is VPN-protected because it modifies the IP addresses in the security associations (SAs) that VPNs need to operate. VPN offers its own variant of network address translation, known as VPN NAT, to get around this issue.
The ability to establish a secure network connection when using public networks is known as a "Virtual Private Network," or VPN. VPNs encrypt your internet traffic while masked your online identity. Due to this, it is more difficult for third parties to keep track of your online activities and steal your data.
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