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Vika [28.1K]
4 years ago
7

Jo has received a text file which contains multiple instances of his name spelled correctly as well as multiple instances spelle

d as Joe. Which of the following commands would search a text file for any occurrences of either spelling and display them out to the terminal? (Choose three.)
A. grep "Joe?" document1.txt
B. grep -E "Joe?" document1.txt
C. grep "Joe*" document1.txt
D. grep -E "Joe*" document1.txt
Computers and Technology
1 answer:
hodyreva [135]4 years ago
8 0

Answer:

B. grep -E "Joe?" document1.txt

C. grep "Joe*" document1.txt

D. grep -E "Joe*" document1.txt

Explanation:

Grep is an acronym that stands for Global Regular Expression Print.

Grep is a Linux / Unix command line tool used to search for a string of characters in a specified file. The text search pattern is called a regular expression. When it finds a match, it prints the line with the result. The grep command is handy when searching through massive log files.

Using the grep Command

The grep command consists of three parts in its most basic form. The first part starts with grep followed by the pattern that you are searching for. After the string comes the file name that the grep searches through.

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vampirchik [111]

In regards to the rules of compaction, the IPv6 address 2001:0db8:0000:0000:0000:ff00:0012:3456 could also be written as 2001:db8::ff00:12:3456.

<h3>What is IPv6?</h3>

The IPv6 address is known to be a form of Internet Layer protocol made for packet-switched internetworking and it helps to give  an end-to-end datagram movement in course of multiple IP networks.

Note that, In regards to the rules of compaction, the IPv6 address 2001:0db8:0000:0000:0000:ff00:0012:3456 could also be written as 2001:db8::ff00:12:3456.

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In portrait mode, your camera will use what?
vesna_86 [32]

Answer:

A. A Smaller Aperture

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Typically, when an organization purchases Internet access from an Internet Service Provider (ISP), the ISP will grant it
Radda [10]

Answer:

(B) A single public IP address that it can use for NAT

Explanation:

Because the IPV4 IP protocol is still used today, the number of available IP addresses is limited (only 4,294,967,296 addresses in the world), for this reason, the most correct practice is the assignment of a single public IP to those companies that acquire services from an ISP, with some few exceptional cases of companies that own several.

So that the company's addressing can be executed successfully, the use of NATs is enabled, this allows the translation of network addresses, allowing the company to have as many private networks as necessary and that these can be communicated Correctly with the global network, the Internet, through the public IP of the company.

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a company is using aws fargate to run a batch job whenever an object is uploaded to an amazon s3 bucket. the minimum ecs task co
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The suitable option to implement with the LEAST amount of effort is

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<h3>What are Amazon S3 buckets?</h3>

A bucket is know to be a kind of a cup or a container that is known to be made for objects saved in Amazon S3.

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  • Set up a CloudWatch Event rule to detect S3 object PUT operations and set the target to the ECS cluster with the increased number of tasks. Create another rule to detect S3 DELETE operations and set the target to the ECS Cluster with 1 as the Task count.

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An application is hosted in an AWS Fargate cluster that runs a batch job whenever an object is loaded on an Amazon S3 bucket. The minimum number of ECS Tasks is initially set to 1 to save on costs, and it will only increase the task count based on the new objects uploaded on the S3 bucket. Once processing is done, the bucket becomes empty and the ECS Task count should be back to 1.

Which is the most suitable option to implement with the LEAST amount of effort?

Set up a CloudWatch Event rule to detect S3 object PUT operations and set the target to a Lambda function that will run Amazon ECS API command to increase the number of tasks on ECS. Create another rule to detect S3 DELETE operations and run the Lambda function to reduce the number of ECS tasks.

Set up a CloudWatch Event rule to detect S3 object PUT operations and set the target to the ECS cluster with the increased number of tasks. Create another rule to detect S3 DELETE operations and set the target to the ECS Cluster with 1 as the Task count.

Set up an alarm in CloudWatch to monitor CloudTrail since the S3 object-level operations are recorded on CloudTrail. Create two Lambda functions for increasing/decreasing the ECS task count. Set these as respective targets for the CloudWatch Alarm depending on the S3 event.

Set up an alarm in CloudWatch to monitor CloudTrail since this S3 object-level operations are recorded on CloudTrail. Set two alarm actions to update ECS task count to scale-out/scale-in depending on the S3 event.

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