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Sophie [7]
3 years ago
14

You have been asked to decouple an application by utilizing SQS. The application dictates that messages on the queue can be deli

vered more than once, but must be delivered in the order that they have arrived, and also must allow for efficient, repeated polling of the queue. Which of the following options are most suitable?a. Configure a standard SQS queue and use long polling
b. Configure a FIFO SQS queue and enable long polling
c. Configure a FIFO SQS queue and enable short polling
d. Configure a standard SQS queue and use default polling
Computers and Technology
1 answer:
LuckyWell [14K]3 years ago
8 0

Answer:

Option B is the correct option.

Explanation:

When using SQS the user request to separate a query. The specification specifies that updates on the list may have been transmitted multiple times, but it must be transmitted throughout the sequence in which they appeared, and therefore should require secure, repetitive queue polling.

So, They configure a First In First Out SQS queue and allow long-polling which is suitable for AWS services.

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A support technician uses the ping utility on a system that is online, yet no response is received. What should be allowed throu
alexgriva [62]

Answer:

Internet Control Message Protocol (ICMP) Echo Requests

Explanation:

A system that has Windows Firewall or antivirus or other third party antivirus enabled with their configuration setting set to default, ping command from another device will not be able to see if the device with an enabled firewall is alive.

The ping command sends Internet Control Message Protocol (ICMP) Echo Request to a destination device after the destination device will reply with a Reply packet. However, by default, firewalls, such as Windows firewall blocks ICMP Echo Requests from the external network and pinging will  work when the firewall is disabled or an exception is created that lets ICMP Echo Requests pass through the firewall.

4 0
3 years ago
What is it called when there are an equal number of characters on either side of the horizontal center of the page?
Naddika [18.5K]

Answer: the term is known as Align Justified

Explanation:

In typesetting and page layout, alignment or range is the setting of text flow or image placement relative to a page, column, table cell, or tab. The type alignment setting is sometimes referred to as text alignment, text justification, or type justification.

5 0
2 years ago
Write a program that accepts a phrase of unspecified length on the command line. For example: prompt% letter print Operating Sys
Sedaia [141]

Answer:

Check the explanation

Explanation:

#define _MULTI_THREADED

#include <pthread.h>

#include <stdio.h>

#include <errno.h>

#define           THREADS          2

int               i=1,j,k,l;

int argcG;

char *argvG[1000];

void *threadfunc(void *parm)

{

int *num;

num=(int*)parm;

while(1)

   {

   if(i>=argcG)

   break;

   if(*num ==1)

   if(argvG[i][0]=='a' ||argvG[i][0]=='2'||argvG[i][0]=='i' ||argvG[i][0]=='o' ||argvG[i][0]=='u')

   {

   printf("%s\n",argvG[i]);

   i++;

   continue;

   }

    if(*num ==2)

   if(!(argvG[i][0]=='a' ||argvG[i][0]=='2'||argvG[i][0]=='i' ||argvG[i][0]=='o' ||argvG[i][0]=='u'))

   {

   printf("%s\n",argvG[i]);

   i++;

   continue;

   }

   sched_yield();

   }

return NULL;

}

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

{

pthread_t            threadid[THREADS];

int                  rc=0;

int                  loop=0;

int arr[2]={1,2};

argcG=argc;

for(rc=0;rc<argc;rc++)

argvG[rc]=argv[rc];

printf("Creating %d threads\n", THREADS);

for (loop=0; loop<THREADS; ++loop) {

     rc =pthread_create(&threadid[loop], NULL, threadfunc,&arr[loop]);

}

for (loop=0; loop<THREADS; ++loop) {

   rc = pthread_join(threadid[loop], NULL);

}

printf("Main completed\n");

return 0;

}

The below attached image is a sample output

3 0
3 years ago
PLS HELP MEE!!!
kramer

Answer:

starting with lowercase letters, using uppercase letters for the first letter in a new word

Explanation:

starting with a dollar sign, using lowercase for the remaining parts of each word

4 0
2 years ago
Suggest why people might not want the government to carry out Internet surveillance?​
Vadim26 [7]
Suggest why people might not want the government to carry out Internet surveillance?
To see your history all that p o r n ya watch
Pls mark me brainliest;p
3 0
2 years ago
Read 2 more answers
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