25 December, 2019

[Dec-2019-25] Far Out AWS-Certified-Advanced-Networking-Specialty Preparation Exams

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Total 76 questions Full Exam Access

Question 1

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 2

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 3

Which element of AWS Config can be used to help maintain internal and external compliance controls?

Configuration Item

Configuration Recorder

Configuration Streams

Config Rules

Question 4

A user has created a VPC with CIDR 20.0.0.0/16 with only a private subnet and VPN connection using the VPC wizard. The user wants to connect to the instance in a private subnet over SSH. How should the user define the security rule for SSH?

The user can connect to a instance in a private subnet using the NAT instance

The user has to create an instance in EC2 Classic with an elastic IP and configure the security group of a private subnet to allow SSH from that elastic IP

Allow Inbound traffic on port 22 from the user’s network

Allow Inbound traffic on port 80 and 22 to allow the user to connect to a private subnet over the internet

Question 5

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 6

A user is trying to send custom metrics to CloudWatch using the PutMetricData APIs. Which of the below mentioned points should the user needs to take care while sending the data to CloudWatch?

The size of a request is limited to 128KB for HTTP GET requests and 64KB for HTTP POST requests

The size of a request is limited to 40KB for HTTP GET requests and 8KB for HTTP POST requests

The size of a request is limited to 16KB for HTTP GET requests and 80KB for HTTP POST requests

The size of a request is limited to 8KB for HTTP GET requests and 40KB for HTTP POST requests

Question 7

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 8

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 9

You are your company’s AWS cloud architect. You have created a VPC topology that consists of 3
VPCs. You have a centralised VPC (VPC-Shared) that provides shared services to the remaining 2 departmental dedicated VPCs (VPC-Dept1 and VPC-Dept2). The centralised VPC is VPC peered to both of the departmental VPCs, that is a VPC peering connection exists between VPC-Shared and VPC-Dept1, and a VPC peering connection exists between VPC-Shared and VPC-Dept2. Select the correct option from the list below.

Network traffic is possible between VPC-Shared instances and VPC-Dept1 and VPC-Dept2 instances as long as the appropriate routes and security groups are in place, but only for communication that is initiated from VPC1-Shared instances as the default peering bi-directional communication flag has been disabled.

Instances within VPC-Dept1 can communicate directly with instances in VPC-Shared, as long as the appropriate routes and security groups are in place, and vice versa regardless of who initiates communication

All network communication remains blocked between all VPCs until the respective peering bidirectional communication flags are set to the appropriate setting that allows traffic to flow.

Question 10

Use _____ to get more visibility into the health of your AWS Elastic Beanstalk application and take appropriate actions in case of hardware failure or performance degradation.

Amazon Elastic Beanstalk command line

Amazon EC2 log files

Amazon CloudWatch

Amazon Load balancing

Question 11

To connect to public AWS products such as Amazon EC2 and Amazon S3 through the AWS Direct Link, which step is NOT required?

Provide public IP address (/31) for each Border Gateway Protocol (BGP) session.

Allocate a Private IP address to your network in 172.x.x.x range.

Provide the public routes that you will advertise over Border Gateway Protocol (BGP).

Provide a public Autonomous System Number (ASN) that you own or a private one to identify your network on the Internet.

Question 12

An AWS Config rule can be set to be evaluated if a certain set of resources undergoes a configuration change. The set of resources to which the rule applies can be restricted by the rule's ______ , which can include a combination of a resource type and a resource ID, for example.

trigger

domain

manifest

scope

Question 13

Which of the following does not configure Amazon CloudFront cache behaviors to forward cookies to an origin for web distributions?

Origin server

AWS CLI

Amazon EMR

Amazon S3

Question 14

To get started using AWS Direct Connect, in which of the following steps do you configure Border Gateway Protocol (BGP)?

Complete the Cross Connect

Verify your Virtual Interface

Create a Virtual Interface

Submit AWS Direct Connect Connection Request

Question 15

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 16

You can use the ______ page of the AWS Config console to look up resources that AWS Config has discovered, including deleted resources and resources that are not currently being recorded.

snapshot listing

configuration history

resource inventory

resource database

Question 17

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.

invokingEvent

mappingTemplate

ruleConfiguration

inputParameters

Question 18

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 19

A user is collecting 1000 records per second. The user wants to send the data to CloudWatch using a custom namespace, Which of the below mentioned options is recommended for this activity?

Aggregate the data with statistics, such as Min, max, Average, Sum and Sample data and send the data to CloudWatch

Send all the data values to CloudWatch in a single command by separating them with a comm

CloudWatch will parse automatically

It is not possible to send all the data in one cal

Thus, it should be sent one by on

CloudWatch will aggregate the data automatically

Create one csv file of all the data and send a single file to CloudWatch

Question 20

After setting an AWS Direct Connect, which of the following cannot be done with an AWS Direct Connect Virtual Interface?

You can delete a virtual interface; if its connection has no other virtual interfaces, you can delete the connection.

You can change the region of your virtual interface.

You can create a hosted virtual interface.

You can exchange traffic between the two ports in the same region connecting to different Virtual Private Gateways (VGWs) if you have more than one virtual interface.

Question 21

A user is trying to understand the detailed CloudWatch monitoring concept. Which of the below mentioned services does not provide detailed monitoring with CloudWatch?

AWS Route53

AWS EMR

AWS ELB

AWS RDS

Question 22

To directly manage your CloudTrail security layer, you can use ______ for your CloudTrail log files.

SSE-S3

SCE-KMS

SCE-S3

SSE-KMS

Question 23

Within the TCP/IP model what is the name of the Packet Data Unit (PDU) used between Transport Layers for communication between sender and receiver

Frames

Packets

Data

Segments

Question 24

AWS Config flags a resource as ______ if a resource violates any conditions of an AWS Config rule that it evaluates on the resource in question.

corrupted

noncompliant

invalid

misconfigured

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Total 76 questions Full Exam Access