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4 years ago

The ____ is the period of time within which systems, applications, or functions must be recovered after an outage. Select one:

Computers and Technology

1 answer:

scZoUnD [109]4 years ago

6 0

Answer:

c. recovery time objective

Explanation:

Recovery time objective (RTO) is the maximum acceptable duration permitted between an unfortunate loss or failure and the restoration of normal operations and services.

According to the RTO, the systems, applications or operations must be restored within a targeted time period after a disaster, to avoid unacceptable outcomes of the disruption.

So a business process must be recovered within this period of time.

It measures how much a failure affects the normal operations, applications and systems and RTO is measures in time units like seconds minutes hours or days.
In simple words RTO refers to the time you need to restore system, applications and data.

For instance a 2-hour RTO refers to restore and get operations or services back to running within 2 hours of the service failure or outrage.

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Write a C program to implement a command called displaycontent that takes a (text) file name as argument and display its conte

Zanzabum

Answer:

Student: Hugo Meza

Date: February 15, 2019

Description: This program mimic the cat command from Linux. Checks whether the source file

has the right permissions, and then writes in the console its content.

#include <stdio.h>

#include <fcntl.h>

#include <unistd.h>

#include <errno.h>

int hasPermission(char *filepath){

int returnval;

// Check file existence

returnval = access (filepath, F_OK);

if(errno == ENOENT){

printf ("%s does not exist\n", filepath);

return 0;

}

else if (errno == EACCES){

printf ("%s is not accessible\n", filepath);

return 0;

}

// Check read access

returnval = access (filepath, R_OK);

if(errno == ENOENT){

printf ("%s does not have read access\n", filepath);

return 0;

}

else if (errno == EACCES){

printf ("%s is not accessible\n",filepath);

return 0;

}

// Check write access

returnval = access (filepath, W_OK);

if(errno == ENOENT){

printf ("%s does not have read access\n", filepath);

return 0;

}

else if (errno == EACCES){

printf ("%s is not accessible\n",filepath);

return 0;

}

return 1;

}

int main(int argc, char* argv[]){

if(!argv[1]){

printf("Error. Specify file to open\n");

return 0;

}

int fd;

char *fp = argv[1], content[fd];

if(hasPermission(fp) == 0)

return 1;

fd = open(fp, O_RDONLY);

int bytes = read(fd,content,sizeof(content)-1);

write(1, content, bytes);

close(fd);

return 0;

}

Explanation:

7 0

3 years ago

Create the SQL statements for displaying the results for each of the following scenarios in the Academic Database. Save these st

Whitepunk [10]

Answer:

CREATE FUNCTION exam_eligible_students

RETURN NUMBER AS

num_students NUMBER(15);

BEGIN

SELECT COUNT(STUDENT_ID)

INTO num_students

FROM STUDENT_ATTENDANCE

WHERE ELIGIBILITY_FOR_EXAMS = 'Y';

RETURN (num_students);

END;

Explanation:

exam_eligible_students is a made of name for the FUNCTION to be called.

num_students is a made up name for the RETURN to be called. The RETURN name is referenced in the INTO statement and as the name of the the return in the RETURN line in ().

4 0

3 years ago

Difference between implicit and explicit type casting

Lana71 [14]

Answer:

Implicit type casting means the type casting done by the compiler during compilation of program whereas Explicit type casting means the programmer explicitly type casts the variables. This is the difference implicit and explicit type casting.

Explanation:

Type casting means the conversion of one data type into another data type. There are two types of type casting. They are Implicit type casting and Explicit type casting.

<u>Implicit type casting:</u> The type casting which is done by the compiler during the compilation of a program. This occurs when we assigning smaller data type to larger data type and also both the data type are compatible. Below example clears the above concepts.

Ex: $int \, i = 10;$

$long \, l = i;$

In the above example " i " is " int " data type whereas " l " is long data type but as we assigned the value of " i " to " l ". Here " int " and " long " are compatible data types and we assigned smaller data type ( int - i ) to larger data type ( long - l ) implicit type casting occurs.

<u>Explicit type casting:</u> The type casting which is done by the programmer explicitly to convert one data type into other data type. If we want to assign a value of larger data type to smaller data type explicit type casting is required. Below example clears the above concepts.

Ex: $double \, d = 10.4;$

$long\, l = (long) d;$

In the above example " d " is " double " data type whereas " l " is " long " data type. Here we are explicitly type casting to change larger data value ( double - d ) to smaller data value ( long - l ).

7 0

3 years ago

Read 2 more answers

How does a Cloud-first strategy differ from other approaches to Cloud?

Brut [27]

Answer:

There is a considerable difference between a cloud-first strategy and other cloud approaches. The developers of the cloud-first strategy are familiar of every data point that requires backup and synchronization. As a result, a lower assembly layout that is more tolerant of database sync is required. In other words, a cloud-first strategy can easily accommodate new technology.

Cloud-first strategy is the current data management method that was not available a few years ago. Such processes and reliability are inapplicable when transferring application software and data to the cloud. You will have to make sacrifices in terms of load balancing and distributed functionality, which will be limited when using other cloud approaches. And this is where Cloud-first strategy shines, as you will be able to control and use all of the host's functionalities.

Explanation:

A cloud-first strategy is one in which all or most of an organization's structure is moved to a cloud-computing environment. Traditionally, organizations required physical supplies to keep their online data; nowadays, they store it on the cloud, which is fundamentally more useful. Cloud-first organizations, regardless of size or importance, are designed to operate their operations on cloud servers. Rather of transferring the organization's data and services to the cloud, adopt a cloud-first strategy and design the application software from the ground up. Not only does the cloud-first strategy outperform traditional application architectures in terms of performance, but it also provides higher stability.

5 0

2 years ago

In unreal engines which class should be used to define the rules of the game

mel-nik [20]

Answer: The number of players and spectators present, as well as the maximum number of players and spectators allowed.

Explanation: players

8 0

3 years ago