Answer:
Use an SQS FIFO queue to process the jobs.
Explanation:
SQS stands for Simple Queue Service. It is a programmatic web service that is used to process and store information between computers. SQS was designed to build applications to prevent requests from staying too long on a queue. They process large number of requests at least once and in a sequential order. SQS removes messages permanently from the queue that have been there for a maximum period of time. The default retention period is usually 240 hours but you can reset it to a time to suit your desire. Using FIFO( First-in, First-out) queue, messages are processed exactly once and it supports 300 messages per second. Therefore, using an SQS FIFO queue to process messages will ensure that messages are processed in order and only once.
A system administrator is selecting an operating system for use by the company's research and development team. The team requires an OS that can be easily modified and changed to meet its particular requirements. Which of the following operating systems will be the best choice for the users
Windows
Linux
Macintosh
Answer:
Linux
Explanation:
Linux is a family of open source operating system and can be easily modified and changed to meet its particular requirements. Linux is one the most used operating systems on servers, mainframe computers and even super computers. Being a free and open source system, it can be modified and distributed for both commercial and non commercial by anyone under the terms of its licence.
For each of the following Visual Basic code snippets, identify the syntax error.
1. If intX > 100
lblResult.Text = "Invalid Data"
End If
2. Dim str As String = "Hello"
Dim intLength As Integer
intLength = Length(str)
3. If intZ < 10 Then
lblResult.Text = "Invalid Data"
4. Dim str As String = "123"
If str.IsNumeric Then
lblResult.Text = "It is a number."
End If
5. Select Case intX
Case < 0
lblResult.Text = "Value too low."
Case > 100
lblResult.Text = "Value too high."
Case Else
lblResult.Text = "Value just right."
End Select
Answer:
1. No 'Then' in the if statement
2. No syntax error.
3. No closing if statement that is no "END IF"
4. No syntax error
5. No syntax error
Explanation:
1. The syntax for writing if statement in visual basic is:
If condition Then
'Stament block'
End If
From the above syntax, we see that the "Then" keyword is missing in the snippet.
2. This is okay as there is no syntax error.
str was declared as a string and a variable was assigned to it. Then, intLength was also declared as integer and the length of str is assigned to it.
3. The syntax for writing if statement in visual basic is:
If condition Then
'Stament block'
End If
From the above we can see that "End If" is missing in the given snippet.
4. There is no syntax error. The opening if and ending if are present.
5. There is no syntax error. The general form of writing a select case statement in Visual basic is:
Select Case VariableName
Case 1
"Statement to execute"
Case 2
"Statement to execute"
Case Else
"Default Statement to execute if other case fail"
End Select
Survey Q. Non-scoring: What role is played in the team? (1 correct answer)
1. Product Owner/Product Specialist.
2. Team Facilitator/Scrum Master/Release Train Engineer/Coach.
3. Developer/Engineer/DevOps Engineer/Automation Engineer/Reliability Engineer.
4. Manual Tester/L1 support/L2 support.
5. Visual Designer/Interactive Designer/UI Expert.
6. Support Function
Which of the following is an advantage of using an internal database? A. Data always remains current in internal databases. B. Highly sophisticated equipment and techniques are not required for maintaining internal databases. C. Internal databases can be accessed more quickly and cheaply than other information sources. D. Internal databases require less maintenance efforts. E. Information obtained from internal databases is almost always sufficient for making marketing decisions. 2 points
Answer:
The correct answer to the following question will be "Option C".
Explanation:
Internal databases include the digital customer as well as industry details sets collected via sources of information throughout the corporate network.
Marketing executives can quickly or easily access or interact with information throughout the database or repository to define commercial opportunities and challenges, execute projects, as well as quality assessments.The growing field offers a unique viewpoint, but the divisions are linked by the data or information.The other options are not related to the advantages of the internal database. So that Option C is the right answer.
What are ways to enter formula in Excel? Check all that apply
Final answer:
To enter formulas in Excel, one can type them directly or use the pointing method. AutoSum is a feature that can create formulas automatically, and keyboard shortcuts like Ctrl + Shift + Enter can apply formulas across multiple cells.
Explanation:
To enter a formula in Excel, you can type the formula directly into the cell by starting with an equal sign (=). This can include cell references, arithmetic operators, and constants. Another way to enter formulas is by using the pointing method, where you click on the cells you want to reference instead of typing them, which can help avoid typing errors. For example, to calculate Owner's Equity, you would type '=', click on cell D30, type '-', and then click on cell D60, followed by clicking the Enter check mark on the formula bar. Additionally, when using functions like AutoSum, Excel can automatically generate a formula. Simply select the destination cell, click the AutoSum button, and adjust the default range if necessary before confirming with the Enter check mark.
Remember that after entering a formula, if you want to apply it to multiple cells, you need to use the Ctrl + Shift + Enter shortcut instead of just hitting Enter to ensure it populates across the selected range. You can also use various keyboard shortcuts to streamline the data entry process in Excel, such as F1 to open the Help pane for more shortcuts.
The Watch Window is observable: a) only when the complete model is observable on the screen.b) only in the same worksheet of a workbook. c) across different worksheets of a workbook. d) across different workbooks in the same folder.
Answer:
Option c is the correct answer for the above question.
Explanation:
The watch window is an important feature of the excel sheet or spreadsheet software which is used to gives the features to see the important cells or data into a separate window. When any user wants to put the record of an important cell on a single glance, then he can do it with the help of the watch window.
This is a feature which is used in all the worksheet of the same workbook. SO option c is the correct answer, while the other is not because:-
Option a states about the complete software which is not correct.Option b states about the same worksheet only, but it is available on the whole workbook.Option d states about all workbooks, but it is available on the same workbook.Final answer:
The Watch Window in Microsoft Excel allows users to track cell values and formulas across different worksheets within a workbook.
Explanation:
The Watch Window in Microsoft Excel is a powerful feature that allows users to keep track of certain cells and their formulas across different areas in a workbook. Specifically, it provides the ability to observe cell values and formulas even when navigating away from the cell.
To answer the student's question, the Watch Window is observable c) across different worksheets of a workbook. This means you can monitor the value of a cell regardless of which sheet you are currently viewing in the workbook.
The ability to track cells is not limited to the visibility of the complete model on the screen, as it displays the cell value and location even when you are working on a different part of the workbook. Additionally, the Watch Window is not restricted to viewing within the same worksheet or across different workbooks in the same folder.
Review the excerpt from the outline for the speech, "Organ Donation." What type of research do you think this student did to prepare for his speech? What quotes or other types of information did he include in his speech? Did he include source information?
Answer and Explanation:
Ethical, regulatory, policy and organizational issues relevant research would have been involved, deceased organ donors.
Answers will vary. In organ donor research, it involved in preparation. This type of research includes the transplantation of organs. The research purpose is to improve the outcomes and transplanting of the organ. Quotations from speech should list.The quotation list may or may not include source information.
Answer:
kalso is right, I dont know why they have such low amount of stars bc they are right sooo just saying
Explanation:
Write a program that accepts a time as an hour and minute. Add 15 minutes to the time
Answer:
The code is given below
hours = int(input("Enter time in hour: "))
minutes = int(input("Enter time in minute: "))
total time = (hours * 60) + (minutes + 15 )
total hours = int(total minutes / 60)
minutes = total hours/ 60
print("Hours: " + str(hours))
print("Minutes: " + str(minutes))
The normalization process used to convert a relation or collection of relations to an equivalent collection of third normal form tables is a crucial part of the database design process. Group of answer choices True False
Answer:
The normalization process used to convert a relation or collection of relations to an equivalent collection of third normal form tables is a crucial part of the database design process is true.Explanation:
Given statement is "The normalization process used to convert a relation or collection of relations to an equivalent collection of third normal form tables is a crucial part of the database design process".
To check whether the given statement is true or false :Given statement is true.FOR:By using the application to Database Design the normalization process is true with the given statement.
By following rules and appropriate normalization methods, normal forms higher than the third normal form.
Hence the normalization process used to convert a relation or collection of relations to an equivalent collection of third normal form tables is a crucial part of the database design process is trueYou have a small network at home that is connected to the internet. On your home network, you have a server with the IP address of 192.168.55.199/16. All computers on your home network can connect to the internet. From your work office, you try to access your home computer using its IP address, but are unable to communicate with the server. You are able to connect to other hosts on the internet. Why can't you access the server?
Answer:
The answer is "private Ip addresses were not be accessed over the Network".
Explanation:
Private network addresses were not distributed on the web and also no data from either the network will be sent to them, it only was intended to operate inside of the home network.
It includes the appropriate subnet the IP addresses. This network also enables you to link to many other sites. This network will use its IP address to access the home device, but it can not interact with the network.Which of the following loop conditions will read all the data in the file assuming that each line in the file contains two integer values, and you will read the first one into a variable named intOne, and the other into intTwo
Answer:
while(inFile >> intOne >> intTwo)
Explanation:
Options are missing but the line of code that does the illustration in the question is while(inFile >> intOne >> intTwo)
Considering two variables, intOne and intTwo
Suppose that a file location has been specified, the infile statement identifies file which could either be an external data or an in-stream data from which data should be read.
while(inFile >> intOne >> intTwo)
Declares a while loop, with the help of the inFile statement, values in the first column are entered into intOne while the second column are entered into intTwo through with the help of then input channel symbol (>>).
Your company just opened a small branch office where 10 computer users will work. You have installed a single Windows Server 2016 computer configured as a member server for basic file and print server needs. Users require DNS to access the Internet and to resolve names of company resources. You decide to install DNS on the existing server. Which of the following types of installations makes the most sense?a. A primary server hosting a standard zoneb. An Active Directory-integrated zone hosting the zone in which the server is a memberc. A caching-only DNS serverd. A server that's a forwardera. A primary server hosting a standard zone
Which symbol should you use for entering a formula in a cell?
A.
+
B.
=
C.
$
D.
÷
E.
#
To enter a formula in a spreadsheet cell, you use the symbol = (option B). This indicates that the text you're entering is a formula. You can construct formulas with operations and cell references and use shortcuts like "Alt" + "=" for quick entry.
Explanation:The symbol you should use for entering a formula in a cell is = (option B). In spreadsheet software like Excel, formulas always begin with the equal sign (=). This is the standard way to indicate to the program that the text you're entering is a formula rather than data. For example, if you're entering a simple subtraction formula, you would use cell references to create a formula like =B5-C5 instead of typing static values. Using cell references is beneficial because it ensures that if your input values change, the result of the formula will update automatically. Moreover, you can use shortcuts like "Alt" + "=" to quickly insert a sum equation. Formulas can be more complex, including operations like multiplication and division, and may contain relative and absolute cell references, functions, and you can use other mathematical symbols like +, -, *, and / to construct them.
When the processor needs an instruction or data, it searches memory in this order: L1 cache, then L2 cache, then L3 cache (if it exists), then RAM — with a greater delay in processing for each level it must search.
Answer and Explanation:
Memory Cache speed the processes of the computer. It stores instruction and data. The computer has two types of memory cache
L1 cache, L2 cache, and L3 Cache i.e., Level 1, Level 2 and Level 3
L1 cache is built on the processor chip and has a minimal capacity.
L2 cache is slower than L1 and has a large capacity. Mostly processor uses ATC advanced transfer cache.
When the processor needs instruction, it searched in order L1 cache than L2 cache and L3. If any data or instruction is not found, then search slower speed medium such as a hard disk and optical disc.
Processor checks data or instruction first in the L1 cache, then L2, L3 cache and finally RAM. The time required to access data increases with each level, starting from the least latency in L1 cache to the most latency in RAM. This hierarchy is utilized for maintaining quick instruction execution.
Explanation:The subject of this question is related to a computer processor and its memory hierarchy. In a processor, when an instruction or data is needed, it typically follows a sequential order for searching - first it checks L1 cache, if not found then it checks L2 cache, further the L3 cache and finally the RAM. Each level increases the delay in processing as the time required to access data increases from L1 cache to RAM.
This search order is utilized since the closest memory to the processor (L1 cache) has the least latency, and therefore provides the fastest access to data, while the furthest memory (RAM) has higher latency but typically larger size.
Therefore, by checking the closest memory levels first, the processor can keep instruction execution as rapid as possible.
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As part of the National Institute of Standards and Technology (NIST) program, the Security Content Automation Protocol (SCAP) identifies standards and protocol implemented to establish a range of different automated compliance tools and scanners. One of the different tools available is the ______________________, which deploys a privileged account to authenticate on the target system, and it eventually scans the system to ascertain compliance with an identified set of configuration requirements.
Answer:
Authenticated configuration scanner.
Explanation:
As part of the National Institute of Standards and Technology (NIST) program, the Security Content Automation Protocol (SCAP) identifies standards and protocol implemented to establish a range of different automated compliance tools and scanners.
One of the different tools available is the authenticated configuration scanner which deploys a privileged account to authenticate on the target system, and it eventually scans the system to ascertain compliance.
Answer:
The answer is authenticated configuration scanner.
Explanation:
Authenticated configuration scanner is one of the tools identified by Security Content Automation Protocol (SCAP) AND which deploys a privileged account to authenticate on the target system eventually scanning the system to ascertain compliance with an identified set of configuration requirements.
This tool is used on computer systems to identify various system vulnerabilities to authentications.
Bob has been assigned to set up a digital certificate solution for use with e-mail. One of the requirements he has been given is to ensure that the solution provides for third-party authentication. Which of the following should he choose
PGP
X.509
Kerberos
Sesame
Answer:
B : X.509
Explanation:
Brianna has a physical store that she's successfully managed for 10 years. Her products aren't designed to sell and ship online. She recently created an online website and app to advertise her business. Now she's interested in using Google Ads to create an ad campaign and measure its effectiveness.
1. Brianna can convert offline customers into online shoppers.
2. Brianna can measure how many shoppers intend to visit her physical store.
3. Brianna can track conversions for first opens for her app.
4. Brianna can measure offline sales initiated from an ad click.
Answer:
4. Brianna can measure offline sales initiated from an ad click
Explanation:
offline conversion tracking will help Brianna when she can measure her offline sales initiated from an ad click.
The ____ format has become an unofficial web standard for documents that require a specific printed format, such as forms that must be filled out by hand and/or signed, and you can rely on most of your users having the capability to view and print this format. a. DOC b. DOCX c. TXT d. PDF
Answer:
The pdf format has become an unofficial web standard for documents that require a specific printed format, such as forms that must be filled out by hand and/or signed, and you can rely on most of your users having the capability to view and print this format.
Explanation:
Portable Document Format (PDF)
PDF is a well known file format that is used all around the world by millions of users to view, read, edit or print documents. It is based on the PostScript language and can support a variety of features.
The pdf format is also widely used for web applications since a lot of users have the capability to view and print this format.
For questions 1 – 3, use the following partial class definitions:
public class A1
{
public int x;
private int y;
public int z; …
}
public class A2 extends A1
{
public int a; private int b; …
}
public class A3 extends A2
{
private int q; …
}
1) Which of the following is true with respect to A1, A2, and A3?
a) A1 is a subclass of A2 and A2 is a subclass of A3
b) A3 is a subclass of A2 and A2 is a subclass of A1
c) A1 and A2 are both subclasses of A3
d) A2 and A3 are both subclasses of A1
e) A1, A2 and A3 are all subclasses of the class A
2) Which of the following lists of instance data are accessible in class A2?
a) x,y,z,a,b
b) x,y,z,a
c) x,z,a,b
d) z,a,b
e) a,b
3) Which of the following lists of instance data are accessible in A3?
a) x,y,z,a,b,q
b) a,b,q
c) a,q
d) x,z,a,q
e) x,a,q
Answer:
QUESSTION 1: B
QUESTION 2: C
QUESTION 3: D
Explanation:
In question 1, since A3 extends A2, it implies A3 is the subclass of A2 and A2 is its super class, same applies to the relationship between A1 and A2, the extends keyword is used to indicate inheritance in the child class (subclass)
In question 2, the class A2 has two declared instance variables (a,b) It has also inherited the public variables of its superclass (A1) so it has the x,z (Inherited variables) and a,b (its own variable)
The same explanation in question 2 applies to question three. The Class A3 has access to all the public fields of A1 and A2 as well as its own declared field x,z,a (Inherited public fields) q Its own field.
Write the definitions of two classes Day and Night. Both classes have no constructors, methods or instance variables. Note: For this exercise, please do not declare your classes using the public visibility modifier.
Answer:
class Day
{
}
class Night
{
}
Explanation:
Given
Two classes named: Day and Night
Requirement: Both classes have no constructors, methods or instance variables. should not be declared using the public visibility modifier.
The syntax to define a class in object oriented programming is
modifier class classname {
// Constructor
constructor(variablename) { ......}
// Methods
methods() { ... }
...
}
Access modifiers (or access specifiers) are keywords in object-oriented languages that set the accessibility of classes, methods, and other members. Examples are private, public, protected, etc.
Going by the syntax above to define class Day
Day
private class Day{
// Constructor
constructor(duration)
{
this.duration = duration;
}
// Methods
CalculateDate() { ... }
}
But the question states that both classes have no constructors, methods or instance variables. should not be declared using the public visibility modifier.
So, class Day will be defined as follows
class Day
{
}
It could also be declared using visibility modifiers other than public modifier. So, class Day will be defined as follows
private class Day
{
}
and
protected class Day
{
}
Similarly, class Night can be defined as follows
class Night
{
}
private class Night
{
}
and
protected class Night
{
}
Write down the bit pattern to represent -3.75 assuming a version of this format, which uses an excess-16 format to store the exponent. Comment on how the range and accuracy of this 16-bit floating point format compares to the single precision IEEE 754 standard.
Answer:
Explanation:
find the solution below
Suppose we have two String objects and treat the characters in each string from beginning to end in the following way: With one string, we push each character on a stack. With the other string, we add each character to a queue. After processing both strings, we then pop one character from the stack and remove one character from the queue, and compare the pair of characters to each other. We do this until the stack and the queue are both empty. What does it mean if all the character pairs match?
Answer:
If all the character pairs match after processing both strings, one string in stack and the other in queue, then this means one string is the reverse of the other.
Explanation:
Lets take an example of two strings abc and cba which are reverse of each other.
string1 = abc
string2 = cba
Now push the characters of string1 in stack. Stack is a LIFO (last in first out) data structure which means the character pushed in the last in stack is popped first.
Push abc each character on a stack in the following order.
c
b
a
Now add each character of string2 in queue. Queue is a FIFO (first in first out) data structure which means the character inserted first is removed first.
Insert cba each character on a stack in the following order.
a b c
First c is added to queue then b and then a.
Now lets pop one character from the stack and remove one character from queue and compare each pair of characters of both the strings to each other.
First from stack c is popped as per LIFO and c is removed from queue as per FIFO. Then these two characters are compared. They both match
c=c. Next b is popped from stack and b is removed from queue and these characters match too. At the end a is popped from the stack and a is removed from queue and they both are compared. They too match which shows that string1 and string2 which are reverse of each other are matched.
Mario is working on a text ad that will run on the Google Search Network. He filled in each component with the necessary information. What component asked Mario to highlight unique details about his product and limited the number of characters he could use to two fields of 90 characters
Answer:
The description component
Explanation:
When creating a text ad that'll run on Google Search Network, the requirements are
A First headline
A Second headline
A third headline
The Display URL
The First Text Description
The Second Text Description
Path
As highlighted above, there are two description fields in a text ad; both of which are 90 characters long,
The description fields are used to make unique details about the ads, outstanding. If it's product sales ads, for instance; the description could include texts like “Shop now” or “Buy shoes now.” etc.
In this case of Mario's text ad, the component asking Mario to highlights the unique features of his text ad is the description component.
Which of the following is true of tape? Group of answer choices It is no longer used as a primary method of storage but is used most often for long-term storage and backup. It is used as a primary method of storage and for long-term storage and backup. It is no longer used for long-term storage and backup but is used most often as a primary method of storage. It is no longer used as a primary method of storage or for long-term storage and backup.
Answer:
It is no longer used for long-term storage and backup but is used most often as a primary method of storage.
2.Write an if /else if statement that carries out the following logic. If the value of variable quantityOnHand is equal to 0, display the message ''Out of stock''. If the value is greater than 0, but less than 10, display the message ''Reorder ''. If the value is 10 or more do not display anything.
Answer:
if(quantityOnHand == 0) { cout<<"Out of stock"; }
else if(quantityOnHand > 0 && quantityOnHand <10) { cout<<"Reorder "; }
else if(quantityOnHand >= 10){ }
See Explanation for comments
Explanation:
//This program segment is written in C++
//Only required segment is written
// Comments are used for explanatory purpose
// Program Segment starts here
/*
The following condition tests if quantityOnHand equals 0
If this condition is true, the program prints "Out of stock" without the quotes
*/
if(quantityOnHand == 0) { cout<<"Out of stock"; }
/*
The following condition tests if quantityOnHand is greater than 0, but less than 10
If this condition is true, the program prints "Reorder " without the quotes
*/
else if(quantityOnHand > 0 && quantityOnHand <10) { cout<<"Reorder "; }
/*
The following condition tests if quantityOnHand is greater than o equal to 10
If this condition is true, nothing is done
*/
else if(quantityOnHand >= 10){ }
// End of program segment
Assumption: The program assumes that variable quantityOnHand has already been declared
A network administrator is working on the implementation of the Cisco Modular Policy Framework on an ASA device. The administrator issues a clear service-policy command. What is the effect after this command is entered?
A. All class map configurations are removed.
B. All service policy statistics data are removed.
C. All service policies are removed.
D. All policy map configurations are removed.
Answer:
B. All service policy statistics data are removed.
Explanation:
When you issue the clear-service policy command on the Cisco Modular Policy Framework, what it does is to ensure that all statistics concerning service policy is totally eliminated from the system. This does not imply that all services policies are removed. It also does not remove all class or policy map configurations.
A coffee shop is considering accepting orders and payments through their phone app and have decided to use public key encryption to encrypt their customers' credit card information. Is this a secure form of payment?
Yes, public key encryption is built upon computationally hard problems that even powerful computers cannot easily solve.
No, encryption is an issue in that case
Answer: Yes
Explanation:
Public key encryption is the encryption technique that is used for private keys and public keys for securing the system.Public key is used for encryption and private key is for decryption.Public keys can only open content of the system
According to the question, public key encryption is secure for coffee shop customer payment process as they are stored on digital certificates in long form for verifying digital signature and encrypting information.Its computation is difficult to crack through power computer access. Other options is incorrect as encryption is not a problem for payment procedures. Thus, the correct option is yes ,public key encryption is secure method for coffee shop customers .Match the job skills with the correct job role.
1.)Neil directs medical services in a
managed care organization.
2.)Rita compiles patient records in a medical facility.
3.)Carol formulates policies and provides
overall direction in a managed care organization.
4.)Abraham handles information requests
and prepares correspondence in a medical facility.
A.)medical secretary
B.)executive secretary
C.)medical services coordinator
D.)chief executive
Answer:
medical secretary---------Rita compiles patient records in a medical facility.
executive secretary-----------Carol formulates policies and provides
overall direction in a managed care organization.
medical services coordinator-----------Neil directs medical services in a
managed care organization.
chief executive-----------Abraham handles information requests
and prepares correspondence in a medical facility.
Explanation:
I am 80% sure this answer is correct.
Neil is a medical services coordinator, Rita is a medical secretary, Carol is a chief executive, and Abraham is an executive secretary. These matches are based on the job skills described for each individual.
Explanation:The job skills should be matched with the correct job role as follows:
Neil directs medical services in a managed care organization: His job matches with C.) medical services coordinator.
Rita compiles patient records in a medical facility: Her job matches with A.) medical secretary.
Carol formulates policies and provides overall direction in a managed care organization: Her job matches with D.) chief executive
Abraham handles information requests and prepares correspondence in a medical facility: His job matches with B.) executive secretary.
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What is the purpose of the following loop? int upperCaseLetters = 0; int position; String str = "abcdEfghI"; boolean found = false; for (position = 0; position < str.length() && !found; position++) { char ch = str.charAt(position); if (Character.isUpperCase(ch)) { found = true; } }
Answer:
See the explanation
Explanation:
Initialize a string called str and a boolean called found
Initializes a for loop that iterates through the str
Inside the for loop:
Gets the characters of the str and assigns them to the ch. Checks if the character is an uppercase or not. If an uppercase character found, updates the found as true and stops the loop.
For this example, the loop will stop when the character "E" is reached
You have been tasked with designing an Ethernet network. Your client needs to implement a very high-speed network backbone between campus buildings, some of which are around 300 meters apart. Multi-mode fiber optic cabling has already been installed between buildings. Your client has asked that you use the existing cabling.
Which Ethernet standard meets these guidelines? (Choose two.)
a.10GBaseSR
b.10BaseFL
c.10GBaseER
d.1000BaseSX
e.1000BaseT
Answer:
a.10GBaseSR
d.1000BaseSX
Explanation:
In Computer Networking, The 1000BaseSX is a type of cabling standard used for deploying Gigabit Ethernet networks. The SX in 1000BaseSX denotes short, and it implies that it's for use with transmissions having short-wavelength over short runs of fiberoptic cabling in a Gigabit Ethernet networks.
The SR in 10GBaseSR denotes short-range, it is exclusively used for multi-mode fiberoptic medium that uses 850nm lasers having LC duplex connector and DDM with a maximum transmission distance of 300meters in a Gigabit Ethernet networks.