Cloud Networking - Exam 1

Alejandro wants to set up a few more virtual machines to use the DHCP services that their cloud service provider offers. The CSP's site offers a number of higher-level categories in which to divide up their products. When configuring this service for his company's use, where should he most likely look?

 

Network components

Max has been hired as a consultant to help revamp the procedures that the IT department uses. He sees a lot of things that they are doing correctly, but sees that the information in the trouble tickets is severely lacking of detail. Which of the following systems would Max most likely recommend putting into place that could have been populated from ticket information if it had been there?

Knowledge base

Pedro is looking for internal and external clues as to what may be causing a problem that has been reported via their ticketing system. Which of the following steps is he currently on from the troubleshooting model?

Establish a theory of probable cause.

In order to make changes, Zara is creating a configuration management tool that uses a system that delivers XML messages to endpoints on multiple platforms. What sort of technologies is she employing?

API

The IT management team at Fictional Corp has determined that, given their expanded infrastructure, they should consider automating some of the settings and virtual machine deployments. They wish to leverage APIs for monitoring as well as managing the installation and setup of operating systems and software. Which of the following best characterizes the setting they aim to establish and use?

DevOps

John has received a ticket from the service desk describing an issue that a user is having with a cloud application. The ticket describes the issue that the user is having along with the answers to the probing questions that the service desk technician had asked. Which of the following is the next step in the troubleshooting model?

Establish a theory of probable cause.

A large telecom company currently has both wireless and landline operations and wants to divest itself of the landline division. However, a lot of the servers that run each separate division are located in the same data center. Before they sell off the landline division, they want to migrate the servers out of that data center. Which of the following would be the best and most cost-effective solution so that they can preserve the capital that they have on hand while not taking on any new debt?

Convert the servers to virtual machines and migrate them to a cloud service provider.

Aaron's manager is aware that businesses can build their own clouds inside of their current data centers. He has been entrusted with looking at technologies that could retain their data on-premises and make better use of the technology in their data centers. Which of the following items would Aaron suggest?

OpenStack

Creative Co. needs a new private cloud setup. However, they want their field workers who operate remotely to have access to the private cloud's resources. Which of the following solutions may Creative Co. put into practice to enable users to establish secure connections from their PCs across the Internet into the private cloud?

VPN

Janelle's company has adopted the CompTIA troubleshooting model as part of their standard operating procedures to use when troubleshooting issues. She sees the step listed as identify the problem. Which of the following should she do as part of that step?

Ask the user probing questions to determine whether any recent changes have been made.

Fictional Corp's vice president of sales has just returned from a conference where he learned about a great customer relationship management platform that he would like for the company to begin using. This platform doesn't require any investment in hardware, operating systems, or any other software, and only requires administration of user accounts and configuration of the types of data that it needs to store. Users would access it through their web browser, and the administration and maintenance tasks for the IT department would be minimal. Which of the following is the VP suggesting that the company use?

Public cloud

Carrie has just completed checking to make sure the system is now operating regularly after fixing a problem with a troublesome virtual machine. Which of the following should she complete as she closes the ticketing system's issue?

Document findings, actions, and outcomes.

Danny is looking at deploying a new application that requires root-level access to the server. He is currently researching the capabilities of various cloud service providers but is only finding one type of implementation that would meet the requirements set forth by the application developer. Which of the following types of cloud offerings is he most likely going to need?

IaaS

A social media organization has grown from its initial startup phase to being widely known within the United States. It has decided that it is time to broaden its horizons and see if it can grow its user base globally as well. They have plans to expand into Europe within the next 12 months. Which of the following should they become familiar with before they start marketing the platform to European users?

GDPR

A tiny startup firm has secured a round of investment to provide them with the resources they need to distribute their smartphone app to more devices. Instead of building its own data center, they have chosen to use a public cloud, but they still want to oversee as much of the infrastructure as it can to save capital expenses associated with the purchase of hardware. Which of the above service models will provide them the most power over the security of the platform they wish to create?

IaaS

Ted's job is to convert the organization's on-premises server architecture to a cloud-based system. He is aware that the company's data center's servers are still pretty young and have a ways to go before they need to be replaced. He is aware that security is a crucial consideration in all decisions, though. Which of the following is least likely to be taken into account when deciding how to prepare for secrecy in security?

If the company were to deploy a private cloud, what kind of uptime requirements would the system need in order to meet the SLAs?

Teddy recently got a call from a user who said that after Teddy repaired one problem with a cloud-based program a few hours ago, another section of the application is now malfunctioning. He most likely skipped which of the following phases in the troubleshooting model?

Verify full system functionality, and, if applicable, implement preventive measures.

Timothy is in charge of keeping track of how effectively the company's apps are running both on their internal private cloud and on the cloud service provider. The IT department had committed to making sure that the services were available to varying degrees based on their criticality when the apps were first established. He must thus consult the paperwork for each of those services in order to understand how they need to be functioning. Which document is Timothy probably alluding to?

SLA

For the company he works for, Eddie's virtual machine is currently the only web server in use. Eddie wants to deploy a second web server to assist handle the increased website traffic and handle some of the queries. Which of the following innovations, in addition to the second web server, should Eddie consider implementing?

Load balancer

A data center held by Business Management Inc. is used to run numerous internal applications. They want to shift their email to a cloud service provider to guarantee that mail would still be sent in the event of Internet connection failures. They also want to use a single directory service so they don't have to create duplicate user accounts for the internal and external platforms. Which of the ensuing service categories most closely matches Business Management Inc.'s needs?

Hybrid cloud

A small business has made the decision to host its website in-house in its server room since they have the extra capacity. But periodically, for a few days at a time, their website becomes extremely popular, making it entirely inaccessible to all users. Which of the following could help them with their issue?

Cloud bursting

Instead of outsourcing the infrastructure to a third -party provider, Craig wants to establish a computer infrastructure that would enable developers within his organization to build apps on a platform that is mostly hosted internally. He does, however, desire simple access to AWS goods. Craig might utilize which of the following to do this.

Eucalyptus

A tiny company decided to host its website internally in its server room because they have the extra space. However, their website occasionally experiences high popularity spikes that render it completely inaccessible to all users for a few days at a time. Which of the following might aid them in solving their problem?

Cloud bursting

Sharon has just finished probing her way through a virtual machine that has been causing problems on the company's private cloud looking for clues as to what might be causing those problems. She has a theory of what could be causing the problem. What is the next step that she should perform if she is following the CompTIA troubleshooting model?

Test the theory to determine cause.

In its data center, Fictional Corp. currently makes use of a private cloud. The CTO has asked the cloud team to create a hybrid cloud as soon as feasible after learning more lately about hybrid cloud solutions and their advantages. Which of the following categories of cloud services ought they to begin considering incorporating into their system?

Public

Mark is considering installing a new application that needs server root access. He is currently looking into the possibilities of other cloud service providers, but so far, he has only found one kind of implementation that would satisfy the application developer's specifications. Which of the aforementioned cloud service packages is he most likely to require?

IaaS

The merger of Fictional Corp. and Widgets Inc is now underway. They both utilize several cloud service providers to offer their staff the many apps they require to do their tasks. The firms' IT departments have been charged with combining their IT infrastructures. Combining the directory services for the two organizations so that all users are in a single sizable LDAP database is one of the first things they are considering. Due to the complexity of the deployed apps, switching from one cloud service provider to another is now not an option. Which of the following best characterizes the kind of infrastructure they will have once they have connected all the infrastructures?

Multi-cloud

Multiple internal applications are run via a data center owned by Fictional Corp. To ensure that mail is still delivered in the event of Internet connection outages, they wish to move their email to a cloud service provider. In order to avoid having to generate duplicate user accounts on the internal and external systems, they also wish to use a single directory service. Which of the following service categories best fits Fictional Corp's requirements?

Hybrid cloud

Bonnie has been charged with doing an investigation of the firewall infrastructure at her workplace. The company employs a lot of employees who work remotely from their homes in addition to having several office sites spread out around the United States. She discovers that a large number of the current firewalls are no longer maintained by the manufacturer and has persuaded the corporation to set aside some funds to acquire a replacement. Which of the following options may she suggest in their place?

FWaaS

A user calls into the service desk stating they're having a problem accessing a particular cloud application. The service desk technician asks them some probing questions to see if there have been any changes to their local computer and what they were doing when it stopped working. Which step of the troubleshooting model describes the step that the process is currently at?

Identify the problem.

Patrick manages the cloud services that are used by a small hospital system. He knows that there are a lot of laws and regulations out there that pertain to storing PII that are different from other industries. Which of the following sets of laws and regulations is he specifically thinking of that do not apply to other industries?

HIPAA

A holiday ornament manufacturer sees traffic increase to their website in a couple of months leading up to the holiday, but then it tapers off and is very low for the rest of the year. Which of the following benefits of cloud computing might they be the most interested in for this use?

Elasticity

Which of the following steps of the troubleshooting model, if not done, could potentially cause users to experience new issues or problems with a system?

Verify full system functionality, and, if applicable, implement preventive measures.

Fictional Corp. is looking at solutions for their new CRM system for the sales department. The IT staff already has a fairly heavy workload, but they do not want to hire any additional IT staff. In order to reduce the maintenance burden of the new system, which of the following types of CRM should they choose to meet these needs?

SaaS

Jana is trying to optimize the cloud infrastructure of her organization for availability. She wants to ensure that the virtual machines that normally use a certain amount of memory can use more physical memory up to a predefined level in cases of heavy workloads. Which of the following features should she look at configuring?

Bursting

Omari is configuring the CPUs for his company's VMs that handle sales. There are a total of 32 VMs that need support, and Omari is using quad-core processor CPUs. To reduce lagging for the customers, the company has decided to disable SMT on the CPUs. How many CPUs does Omari need to configure to accomplish this?

8

Fictional Corp has decided to migrate much of its on-premises data center to a cloud service provider to take advantage of some of the benefits of cloud computing. The most important benefit they found was the ability to expand and grow (or shrink) as needed without any delay due to shipping and installing the hardware required for an on-premises data center. Which common cloud terms were the most important factor in their decision?

Elasticity

Fictional Corp is building a private cloud in their data center. They want to ensure extra resources are available if a server fails. Which of the following technologies might they build their cloud upon?

Cluster

Juan is implementing automation processes into some of the cloud infrastructures that his organization uses. Which of the following terms best describes the design, development, and optimization of these automation tools?

Orchestration

Frank is configuring a virtual machine that will reside on a CSP's infrastructure that will eventually need multiple terabytes of storage for data. However, he decides to only configure it with one terabyte in the beginning and then provision more disk space as necessary. Which of the following is the most likely reason for his decision?

Cost

Fictional Corp has built a private cloud in its data center. That data center is in a region of the country that is prone to earthquakes. They want to ensure the company can continue operating if a major earthquake hits and knocks out the power and Internet services. Which of the following strategies should they implement?

Disaster recovery

Robert is troubleshooting the containers his company uses to run some of its applications. He decides to set a constant flow of traffic to the service to avoid service slowdowns. What is this an example of?

rate limiting

Brian has built a private cloud in his company's data center. He has just racked up a server and turned it on for the first time. Which of the following extensions might he see that he should ensure are enabled in the UEFI/BIOS setup before continuing to install the operating system and configure the server to be part of the private cloud? (Choose two.)

• A. Intel-V

• B. VT-x

• C. AMD-V

• D. AV-x

B & C

There have been multiple performance issues with the virtual machines that reside on one of the hosts in the data center at Fictional Corp. After a bit of research, it is discovered that during peak hours, they are all concurrently trying to use all the vCPUs that have been configured for them. Which of the following was set too high in this configuration?

Overcommitment ratio

Wayne has received reports from users that several web applications are running very slowly at times. He is analyzing the virtual machine they reside on and sees that it is maxing out its resources on a regular basis. Which of the following cloud features should he configure so that more resources would be available on demand?

Elasticity

Greg is deploying a new application that will originally have 1 terabyte of disk space allocated to storing user files. However, since it is a new application, he is unsure how quickly the disk space may fill up and need to grow to accommodate new files. Which of the following cloud features should he ensure is configured correctly so as not to cause any errors to be displayed to users about the storage space being full?

Auto-scaling

Fictional Corp has just finished migrating several servers from an on-premises data center to a cloud service provider (CSP). However, users are now complaining that they are running much slower than before. Which of the following would NOT be a contributing factor as to why they seem slower?

Amount of disk space provisioned for virtual machines at the CSP

Maria would like to recommend a serverless computing solution to her customer. What is one advantage of serverless?

It is more convenient since the customer doesn't have manage the server.

Carolyn is considering using containers for her network instead of VMs. Choose two of the major advantages of using containers instead of VMs?

• A. They use only the parts of the OS needed for the application.

• B. They are significantly less expensive than VMs.

• C. They allow more users to work simultaneously.

• D. They allow the use of more applications than VMs.

A & D

Ned is working on implementing an open-source container management service because it has some orchestration features that his organization would really benefit from. Which of the following is a possible solution he may be working with?

Kubernetes

Dione is managing the containers her company uses to support various applications. She has written the code for an application and defined its variables and dependencies. Where will she store this information?

In a docker image file

Roz configures new virtual machines in the company's private cloud. She knows that the virtual machines need a total of 512 GiB of memory. However, the physical machine she's deploying them to only has 256 GiB installed. When configured correctly, which of the following technologies could allow her to deploy the virtual machines to this hardware?

Overcommitment ratio

Sarika is considering using serverless computing to operate some of the applications needed in her company's network. She needs to describe this concept quickly to her team as they try to make the decision. Which of the following best describes serverless computing?

FaaS

Khalil is designing the configuration for his VMs and has determined it must handle 24 threads simultaneously. How many CPUs are needed if each has a quad-core processor with SMT enabled?

3

Anna is trying to determine how to organize the virtual machines at the university where she works. There are 30 VMs that are all located at the main campus that must run high-speed applications. Which placement group should she choose for these VMs?

cluster

A company is employing a virtual desktop infrastructure (VDI) for its employees who work at the office some days and at client sites on other days. The user requests a setup where they can save files on their virtual desktop to revisit later. What kind of setup will be appropriate?

Persistent instance

Chris has discovered a technique for assisting with memory allocation that he can configure on some of his virtualized systems. Using this method, a driver is installed on each of a host's virtual machines. This driver enables the host to control a bogus process on the virtual machine, causing the VM to allocate memory to that process. Rather than using the memory that has been allocated to the process, the host can assign it to another virtual machine so that it can use it instead. Which of the following best describes the memory reclamation process that Chris is thinking about using?

Ballooning

Henry has just been hired as a security engineer and has been tasked with analyzing the cloud infrastructure that the company uses. Which of the following might Henry be concerned about if he discovers that critical data is being stored in that environment?

Shared compute

Darren has been using Kubernetes for container management with the deployments his company has been using on the Google Cloud Platform. However, he is now being told that the company is going to be migrating to a different container management platform with Azure and AWS. Which of the following tools might he need to learn to make this transition and start deploying applications on the new platform?

Docker Swarm

Your organization's legal department has requested that you audit the licenses you are using for the operating system your organization uses. As you start analyzing the on-premises cloud systems, you need to ensure that you have the correct number of licenses. Which of the following should you ensure to count on the machine?

The number of CPU cores

Brice is working on a plan to move some or all of his company's network to VMs. He is concerned about the cost effectiveness, however, and wants to make sure the VM instances are only used where feasible. Which factor should have the least impact on the total cost of moving to VMs?

The volume of ingress traffic

Tiffany is considering the use of an instance template for use with her company's VMs. What is the major advantage of using an instance template?

• A. They allow variation in the instances to be done more easily.

• B. They provide more security to the network.

• C. They ensure every instance is configured in the same way.

• D. They allow data to be transferred more rapidly.

C & D

Fictional Corp has multiple monitoring systems in place to report various events that occur as soon as they happen. However, they have also tried to design the infrastructure so that it can withstand and compensate for these failures and outages and allow the system to still function so that the users do not notice the failure. Which of the following terms could be used to describe the theory they used when designing their infrastructure?

Resiliency

Margaret has designed an application and the underlying systems that it resides on to have a five-nine uptime or 99.999%. Which of the following techniques has she implemented?

High availability

Selma is determining what type of network connection to use for her corporation's web server VMs. Which connection mode should she use to connect these servers to the rest of the network?

bridged mode

Fictional Corp wants to start migrating a bunch of internal applications to a CSP. However, they are in a rural area, and their only connection option is a T1. However, they know that the move would save them money in electrical expenses and reduce the maintenance burden of monitoring and controlling the various firewalls and other related equipment. Which of the following will likely be the biggest hurdle for them?

Bandwidth limitations

Vikal decides to use a hypervisor that is installed directly into the firmware of his servers at his publishing company. What kind of hypervisor has he installed?

Type 1 hypervisor

Kim is trying to keep the containers used to support the applications being used by her 80 employees from being overloaded with traffic. She decides to configure the containers to only accept a maximum of 60 requests for work at any one time. What term describes the strategy she is using?

concurrency control

Frederick is trying to deploy several virtual machines to a new private cloud that his company has just built in their data center. He knows that he needs to configure the virtual machines to have multiple vCPUs, but he also knows that the number of vCPUs needed outnumbers the actual number of total logical cores available on the physical servers. Which of the following might describe one of the concepts he could implement in this scenario?

Overcommitment ratio

Niles manages his company's private cloud. His manager wants to start taking advantage of the benefits that the resources of a cloud service provider can offer. However, upon starting to try and get his company's local Active Directory to authenticate users on the public cloud resources, he can't seem to get it working. Which of the following is the most likely issue?

Platform integration issue

One of the virtual machines on the CSP they use, which runs a couple of the company's apps, has had a new update implemented by George. He checked everything again, compared the outcomes to the original, authorized request, and decided the alteration was effective. What action should George take after that?

Change documentation

Bill is trying to create a new web application to replace an existing system that is becoming outdated. The old application has been modified a number of times and the code has become rather convoluted over time, so he has decided to start over. However, the application that it is replacing needs to be usable 24 hours a day, 7 days a week, 365 days per year with as little downtime as possible. Which of the following would be the type of system Bill is trying to create by adding in redundancy wherever he can?

High availability

The goal of Fictional Corp. is to investigate its data center's systems to ascertain how they function under typical circumstances and to estimate what resources would need to be placed on a cloud service provider if they were to make that transfer. Which of the following accurately sums up the documents that Fictional Corp. wants to review?

Baselines

When Daphne tries to sign into the cloud-based email system used by her work, an error notice appears. The credit card that is stored on file appears to have expired after entering into the administrative portal. Which of the following appears to be the problem?

Licensing outage

Fictional Corp. has grown exponentially over the first few years of its existence. Until now it had been using commercial off-the-shelf software. They've decided to create a development team and need to decide what the best method of development management is. Which of the following are the two most common methods that they might choose from?

• A. Flexible

• B. Agile

• C. Stream

• D. Waterfall

B & D

Startup Widgets Inc. wants to control its own hardware and software. They do not have that much time set up in their timetable even though they are aware that finding land on which to build their own data center might take several months. Which of the following would enable them to create their own private cloud using their own hardware and have the option to move into their own data center if necessary?

Colocation

Fictional Corp. is in need of a cloud service provider. They have whittled down their options to two CSPs that might satisfy their technical requirements after taking into account a number of factors. Which action might they additionally think about doing before committing to any agreements or opening an account on such platforms?

Have the various agreements reviewed by the legal department.

Frasier is comparing the logs from the firewall to the logs on the web server after a security incident. He is trying to correlate the events, but it appears that the traffic took several minutes to reach the web server from the firewall for each of the various attempts. Which of the following could be the issue?

Time synchronization

Applications and data from Fictional Corp.'s on-premises physical servers are now being transferred to a cloud service provider. Although they successfully transferred the application code, they still need to move the servers that host the underlying database. Which of the following might provide the most risk when moving database servers?

Data integrity

Jason is working on a Saturday afternoon and has determined that a newly discovered vulnerability affects a group of servers that contain critical data for the company. The operating system manufacturer released a fix overnight, but the company's change management processes require approval before patching any of the systems. Which group could possibly give Jason approval on a weekend outside of their normally scheduled meetings?

ECAB

Jan has just migrated a virtual machine from the company's private cloud to the cloud service provider his company uses. He wants to see how the system responds as well as compare the original and new baselines. What type of testing should he perform?

Performance testing

Jeff has recently started working as a systems administrator at Fictional Corp. He is informed that one of his duties would be overseeing the company's data center's backup procedures for on-premises systems. He is told about documentation that he should use to make sure that everything is done correctly. What type of documentation was he referred to?

SOPs

The creation, upkeep, and retirement of the programs that Fictional Corp. develops and employs internally are overseen by a procedure. Which of the following statements most accurately sums up this oversight and procedure?

Application life cycle management

Several scripts from Fictional Corp. may be copied and pasted into the platform of their cloud service provider to construct new virtual machines with unique requirements. One of the admins checks to make sure everything was configured properly after running one of the scripts, only to discover that certain things weren't. Which of the following is most likely to be the problem?

Template misconfiguration

As the new development manager of Widget Co., Frank was just hired. He was hired because he suggested that he could put innovative techniques into practice, such as one where modifications are introduced in little doses every 24 hours. He advised the team members to conduct some research because some of them don't entirely comprehend it. What search phrase would they use to get the details they require to learn more about this approach?

Continuous delivery

With the help of a dashboard application, Jeff can quickly view all of the virtual machines that are part of his cloud architecture. He observes that one of the systems has a memory use percentage of 95 percent. Which of the following testing modalities may have been disregarded for that system?

Load testing

Kathryn has been given the responsibility of moving a number of on-premises apps from the company's data center servers to a cloud service provider. She has transferred photos from the local systems to the CSP's platform as part of the process, and she now wants to do some tests to see how well the environment grows as demand rises. Which of the following statements most accurately sums up the testing she is conducting at this point in the migration?

Load testing

Martin has been tasked with identifying any holes in the organization's cloud infrastructure and producing a report that will be given to top management. He is not to really try to take advantage of any of the vulnerabilities to see how much they could compromise the system. Which of the following is the request made to Martin?

Vulnerability testing

A huge Fortune 500 firm wants to transfer 5 petabytes of data to a cloud service provider from its data center, which is packed with servers. According to some projections, transferring all of this data to a cloud service provider may take years. Which of the following would the business most likely need to take into account in order to finish this relocation quickly?

Offline transfer

Faith has been given the responsibility of moving as many systems as she can to the cloud. Although she has a list of the systems that the IT department is aware of, she has overheard staff members discussing additional systems that are not on her list. Which of the following statements best sums up the systems she still needs to learn more about?

Shadow IT

One of the sales managers has requested improvements to one of the online programs his team uses from the development team. The development team manager told him that although he had made several excellent proposals, they couldn't be implemented without following the prescribed procedure. What should the development manager request from the sales manager?

Change request

One of the internal company-developed cloud apps has received updates from Cara. She opened the internal tracking program and noticed that the change evaluation stage had just been completed. What stage of the change management process should it be at right now?

Change implementation

Robert has just finished putting into effect a change that the change advisory board has authorized. Which of the following should be done as the next action once the modification has been implemented?

Change review

The chief technology officer of an organization just returned from a technology conference where he learned about a set of best practices that many other organizations have put into place to help them be more efficient with their operations. Some of the topics covered by these best practices include change management and systems that store maintenance and configuration information for systems. He has determined that he wants everyone in his organization trained and up to speed on at least the foundational level of knowledge of these practices. What is the topic that the managers in IT should begin looking for training on?

ITIL

Fictional Corp. has previously had a release schedule where changes were released into production on the first and third Saturday of every month. However, it has been suggested that it would be more efficient to push the changes to production as soon as the code has passed testing. Which of the following methodologies is being suggested?

Continuous deployment

Fictional Corp. has been using its current cloud service provider for the past year. They have been mostly happy with the service provided up until about a month ago when various virtual machines started becoming unavailable for hours at a time. The CSP has a guarantee of a 99.999 percent uptime, which means they should only have about 5.26 minutes of downtime per year. Which of the following defines the guarantee the CSP is not meeting?

SLA

Bob has submitted a modification request, which will need to be examined at the following regular meeting to decide whether or not it should be carried out. Which of the following groups is in charge of examining this modification and approving it or rejecting it?

CAB

On the platform used by his company's cloud service provider, Kevin has developed a web application that will be housed there. However, the database for the application must be located in the data center of the organization, which has a private cloud. Which of the following during connection testing could be the main worry?

Latency

Thomas has the responsibility of automating as many processes as he can. He starts working on the first system he is aware would substantially benefit from automation. What should he do first before putting the automation into place?

Design a workflow.

A social video sharing platform has grown quite popular in the United States and has decided to expand to Europe. They want to open a second data center there as part of their expansion. Which of the following is perhaps one of the biggest pieces of the expansion that they want to consider a part of the data storage strategies?

Legal restrictions