22 June, 2022

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Total 76 questions Full Exam Access

Question 1

You have just provisioned a new VPC a with a CIDR block of 172.16.12.0/24. The entire CIDR block is fully utilised by subdividing it into 6 subnets, we will refer to these as Subnet1 through to Subnet6.
The first 2 subnets (Subnet1 and Subnet2) are the same size. The last 4 subnets (Subnet3, Subnet4, Subnet5, Subnet6) are also the same size. Subnet5 is half the size of Subnet2. The address space as occupied by the first two subnets is contiguous, as is the address space occupied by the last 4 subnets. Within Subnet3 AWS reserves the address 172.16.12.129 for the VPC router. Select the correct IP address reserved by AWS for DNS in the Subnet2.

172.16.64.1

172.16.64.65

172.16.12.66

172.16.12.64

Question 2

In the context of CloudFront RTMP Distribution, the Adobe Flash Media Server _____ file specifies which domains can access media files in a particular domain.

accessdomain.JSON

crossdomain.xml

accessdomain.xml

crossdomain.JSON

Question 3

Which other AWS service is used to track ‘Related Events’ within the Configuration Item?

AWS WAF

SQS

AWS CloudTrail

Question 4

You have been tasked with migrating your company’s proprietary massively large dataset sorting application to AWS. The application currently runs on 4 highly spec’d servers that are in a cluster arrangement and runs 24x7, with the average CPU utilisation across any 24hr period being approx 85% - the migration of this cluster once up and running on AWS is expected to run similarly. The servers shuffile data internally and between themselves. Your company’s financial performance is entirely dependent on the speed at which it can sort your customers datasets, that is the faster a sorted result can be returned the better your company’s bottom line. Of the choices presented below, select the optimal network configuration that will ensure the best financial results for your company.

Disable Jumbo Frames to ensure better data throughput between instances

Enable Jumbo Frames to ensure better data throughput between instances

Create an autoscaled group of c4.8xlarge instances - with min 1 and max 4 - this will ensure your operational costs a minimal

Configure a CloudWatch Alarm to add more CPUs to the instances when average cluster CPU utilisation breaches 85%

Question 5

Considering your knowledge of both the OSI and TCP/IP models - select the following statement which you consider to NOT be true.

The TCP/IP Application layer maps to 2 of the OSI Layers

The top layer in the OSI model is named the Application layer

The TCP/IP Application layer maps to 3 of the OSI Layers

The top layer in the TCP/IP model is named the Application layer

Question 6

Imagine you are using AWS Direct Connect with just one connection from your router to the AWS Direct Connect router. If your connection becomes unavailable, the communication with AWS cloud is lost. What is the best method to prevent this from happening?

AWS Direct Connect neither provides BGP nor provides the failover.

AWS Direct Connect recommends to have the same configuration set up in a multi AZ zone to prevent such loss in connections.

AWS Direct Connect recommends that you request and configure two dedicated connections to AWS either using BGP Multipath (Active/Active) connection or the failover (Active/Passive) connection.

AWS Direct connect does not have a provision to prevent the situation but when you design the system, it is recommended to request a back-up instance to which the traffic can be re-routed.

Question 7

What is the maximum size of a response body that Amazon CloudFront will return to the viewer?

Unlimited

5 GB

100 MB

20 GB

Question 8

Fill in the blanks: One of the basic characteristics of security groups for your VPC is that you ______ .

can specify allow rules, but not deny rules

can specify deny rules, but not allow rules

can specify allow rules as well as deny rules

can neither specify allow rules nor deny rules

Question 9

By default, all AWS accounts are limited to EIPs, because public (IPv4) Internet addresses are a scarce public resource.

Question 10

Each custom AWS Config rule you create must be associated with a(n) AWS _____ , which contains the logic that evaluates whether your AWS resources comply with the rule.

Lambda function

Configuration trigger

EC2 instance

S3 bucket

Question 11

You can use the ______ command of the AWS Config service CLI to see the compliance state for each AWS resource of a specific type.

describe-compliance-by-resource

get-compliance-details-by-config-rule

describe-compliance-by-config-rule

get-compliance-details-by-config-rule

Question 12

You are the AWS cloud architect and have been tasked with designing an appropriate subnetting design for your production VPC. Your production VPC requires secure communications back to the corporate private network. Quality of Service (QoS) is very important 24x7 for this particular connection, as real-time data is passed continually backwards and forwards between your on-prem bioinformatics enterprise application, and the number crunching servers deployed in the cloud. Any potential latency incurred on this connection will have a direct impact on the company's ability to attract investors and expansion into new markets. Select the correct network configuration that best facilitates your company's continued growth plans.

Provision a Direct Connect connection - between your service provider's data center and the AWS region that your cloud compute resources exist in . Configure just a Private VirtualInterfac

As this is a Direct Connection, a Virtual Private Gateway is not required

Configure a site-to-site layer 2 software router using OpenVPN within your VPC and ensure that QoS enabled - this is a secure and cheap option

Configure a site-to-site layer 3 software router using OpenVPN within your VPC and ensure that QoS enabled - this is a secure and cheap option

Provision a Direct Connect connection - between your existing service provider's data center and the AWS region that your cloud compute resources exist i

Configure a Virtual Private Gateway and Private Virtual Interface

Question 13

You can use the _____ command of the AWS Config service CLI to see the compliance state of each of your rules.

get-compliance-details-by-resource

describe-compliance-by-config-rule

get-compliance-details-by-config-rule

describe-compliance-by-resource

Question 14

When an AWS Config rule is triggered a JSON object known as an AWS Config Event is created. This object contains another JSON string in its _____ parameter, which describes the event that
triggered the rule.

resultToken

eventLeftScope

invokingEvent

configRuleName

Question 15

What is the maximum number of CloudTrails that you can create per AWS region?

Question 16

When an AWS Config rule is triggered a JSON object known as an AWS Config Event is created. This object contains a(n) ______ attribute, which is a JSON-formatted set of key/value pairs the receiving AWS Lambda function processes as part of its evaluation logic.

inputParameters

invokingEvent

ruleConfiguration

mappingTemplate

Question 17

A user is having data generated randomly based on a certain event. The user wants to upload that data to CloudWatch. It may happen that event may not have data generated for some period due to randomness. Which of the below mentioned options is a recommended option for this case?

For the period when there is no data, the user should not send the data at all

The user must upload the data to CloudWatch as having no data for some period will cause an error at CloudWatch monitoring

For the period when there is no data the user should send the value as 0

For the period when there is no data the user should send a blank value

Question 18

In AWS, which service provides a reliable and inexpensive way to backup and archive CloudTrail log files?

Amazon Archiver

Amazon Glacier

AWS Storage Gateway

Amazon Elastic Block Store

Question 19

You would like to automate the monitoring of changes in the configurations of your AWS resources and respond programmatically to configurations of only a certain type. To do this, you could use Amazon ______ as the endpoint for the Amazon SNS topics that generate messages from AWS Config.

Kinesis

Simple Email Service (SES)

Simple Storage Service (S3)

Simple Queue Service (SQS)

Question 20

Does Amazon VPC support multicast or broadcast?

Yes, both.

It doesn't support any of them.

Multicast yes, Broadcast no.

Both, but only outside Amazon VP

Question 21

An unfortunate situation has just come to your attention. A business critical application with
sensitive data running on-prem will run out of storage disk space in 24hrs. This business critical application is dependent a very large set of routes - required for integration with other system. You make a quick but well informed decision to migrate this application quickly to AWS. You are able to quickly launch a new VPC and within it equivalent infrastructure to re-home the application. In order to complete the replication of application data and ensure the application remains operational
beyond the next 24hrs, select the best implementation.

Within the new VPC - establish a Direct Connect connection with max 10Gbps port speed for data replicatio

Establish a 802.1Q VLAN and configure a Virtual Private Gateway and Private Virtual Interface, and ensure Jumbo Frames is enabled.

Within the new VPC - deploy a Virtual Private Gateway, Customer Gateway, and establish a new IPsec VPN Connection with BGP dynamic routing

Within the new VPC - deploy a Virtual Private Gateway, Customer Gateway, and establish a new IPsec VPN Connection with static routing, and ensure Jumbo Frames is enabled.

Within the new VPC - deploy a software based virtual router (for example a Cisco CSR). Configure with dual ENIs (external and internal), create and attach an EIP to the external ENI, Configure and setup IPsec VPN tunnels, and ensure Jumbo Frames is enabled.

Question 22

A user is running a batch process on EBS backed EC2 instances. The batch process launches few EC2 instances to process hadoop Map reduce jobs which can run between 50 – 600 minutes or
sometimes for even more time. The user wants a configuration that can terminate the instance only when the process is completed. How can the user configure this with CloudWatch?

Configure a job which terminates all instances after 600 minutes

It is not possible to terminate instances automatically

Set up the CloudWatch with Auto Scaling to terminate all the instances

Configure the CloudWatch action to terminate the instance when the CPU utilization falls below 5%

Question 23

A user has enabled detailed CloudWatch monitoring with the AWS Simple Notification Service. Which of the below mentioned statements helps the user understand detailed monitoring better?

SNS cannot provide data every minute

There is no need to enable since SNS provides data every minute

SNS will send data every minute after configuration

AWS CloudWatch does not support monitoring for SNS

Question 24

In the context of Amazon CloudFront Actions, you use the ______ when specifying APIs in IAM policies.

object names

class names

entity names

action names

Question 25

An AWS CloudTrail log file provides the identity and source IP address of the API caller, and a time of the API call, request parameters, and _____ .

response elements

event selectors

port alarms

destination buckets

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Total 76 questions Full Exam Access