ITC583 Midterm

True or False? A key advantage of cloud solutions is a pay-as-you-go model.

True

True or False? Within the cloud, companies normally pay only for the resources they consume.

True

_____________ is a term used to describe the set of tools and websites that allow users to publish content to the web without the direct use of HTML.

Web 2.0

A _____ cloud is normally owned by a specific entity (company) for its own use or by customers.

private

True or False? For years, network developers and administrators have represented the Internet within drawings as a cloud.

True

An example of an infrastructure as a service (IaaS) solution is:

All of these are correct.

Users typically access software as a service (SaaS) solutions using a:

web browser.

_____________ defines the ability of a site or application to use additional resources on demand.

Scalability

A common cloud deployment model is:

All of these are correct.

True or False? A disadvantage of software as a service (SaaS) solutions is a perception about data security. Some users are afraid to store data in the cloud.

True

Which of the following is an advantage of software as a service (SaaS) solutions?

All of these are correct.

_____________ is the name of the Google's platform as a service (PaaS) solution.

Google App Engine

Which of the following is an advantage of platform as a service (PaaS) solutions?

All of these are correct.

A _____________ is a collection of services joined to create an overall solution.

mashup

_____________ solutions provide a collection of hardware and software resources that developers can use to build and deploy applications within the cloud.

Platform as a service (PaaS)

Many software as a service (SaaS) solutions are __________, which means that behind the scenes customers may share computing resources.

multitenant

Which of the following is a characteristic of mainframe computer systems?

All of these are correct.

_____________ is an application development methodology with which developers create solutions by integrating one or more web services.

Service-oriented architecture (SOA)

Which of the following is a disadvantage of platform as a service (PaaS) solutions?

All of these are correct.

Companies currently use software as a service (SaaS) providers for which of the following solutions?

All of these are correct.

MFA is an acronym for:

multifactor authentication.

Which of the following is an advantage of OpenID?

All of these are correct.

To handle high-traffic web requests, sites use a technique known as _____________ to share the requests across multiple servers.

load balancing

Which of the following is an advantage of identification as a service (IDaaS)?

None of these is correct.

Which of the following is an advantage of single sign-on (SSO)?

All of these are correct.

To reduce user-identification management costs, companies are now moving to ___________ solutions.

identification as a service (IDaaS)

Which of the following is an advantage of an infrastructure as a service (IaaS) solution?

All of these are correct.

____________ describes the technologies and protocols that combine to enable a user to bring security credentials across different security domains (different servers running potentially different operating systems).

Federated identity management (FIDM)

Which of the following leads to the high costs of operating an IT data center?

All of these are correct.

A(n) _____________ solution makes all of the computing hardware resources available, and the customers, in turn, are responsible for installing and managing the systems, which they can normally do, for the most part, over the Internet.

infrastructure as a service (IaaS)

Which of the following is not a disadvantage of cloud-based storage?

Reliability

Which of the following is a way to access cloud-based data storage?

All of these are correct.

True or False? Microsoft OneDrive is an example of cloud-based storage.

True

Advantages of cloud-based storage include which of the following?

All of these are correct.

True or False? Google Bytes is Google's Cloud-based storage is typically faster than local PC storage.

False

True or False? A cloud-based file system allows users or applications to directly manipulate files that reside on the cloud.

True

True or False? The cloud is changing healthcare by making available secure storage within which people can store their medical records and prescriptions from a variety of medical devices.

True

Most cloud-based backup facilities provide which of the following capabilities?

All of these are correct.

______________ is an open-source project, the goal of which is to support reliable, scalable distributed computing.

Apache Hadoop

Which of the following is not an advantage of cloud-based database systems?

Performance

______________ is the process of two or more people working together to achieve a result (a goal).

Collaboration

True or False? The cloud provides team members with a variety of tools with which they can collaborate.

True

True or False? The IM text-based interaction provided one of the web's early forms of
collaboration.

True

Which of the following is an advantage of cloud-based virtual meetings?

All of these are correct.

Which of the following is an advantage to using a social-media tools for collaboration?

All of these are correct.

True or False? Most web-based collaboration applications today support computer-based and handheld devices.

True

True or False? Cloud-based collaboration tools support and enhance work-from-home environments.

True

Which of the following is not an advantage of wikis for shared content?

Because any member can edit the content, errant content can occur.

Which of the following is an advantage of cloud-based calendar management systems?

All of these are correct.

Which of the following is a question one should ask about collaboration tools?

All of these are correct.

Which of the following is not an advantage of virtual memory?

Using virtual memory is faster than using physical random access memory (RAM).

True or False? IBM, more than 50 years ago, had a virtual operating system that allowed a mainframe computer to run multiple copies of the same or different operating systems.

True

Which of the following is not an advantage of blade servers?

he use of blade servers is mandated by the Green Computing Initiative.

______________ uses hardware and software to create the illusion that two or more entities are present when there is only one physical entity in existence.

Virtualization

General guidelines for "green computing" include which of the following?

All of these are correct.

True or False? Server computers originally required their own chassis, disk, power supply, and fan. Servers consumed considerable power, took up considerable space, and generated considerable heat within the data center.

True

True or False? HyperWindows is Microsoft's desktop virtualization solution.

False

Which of the following is an advantage of desktop virtualization?

All of these are correct.

True or False? Using virtualization, we can make one server appear to be many, a desktop computer appear to be running multiple operating systems simultaneously, a network connection appear to exist, or a vast amount of disk space or a vast number of drives to be available.

True

True or False? Within a virtual server, each operating system is installed on top of the hypervisor, which essentially manages each operating system's execution and resource use.

True

True or False? Most cloud-service providers have state-of-the-art data centers that include fire suppression systems, backup power generators, and strong physical security measures.

True

A ___________________ is a hacker attack on a site, the goal of which is to consume system resources so that the resources cannot be used by the site's users.

denial-of-service attack

True or False? A distributed-denial-of-service (DDoS) attack employs single dedicated computer to attack a target site.

False

Which of the following poses a security risk to cloud-based providers?

All of these are correct.

True or False? The best defense against a packet-sniffing attack is to use secure (encrypted) connections.

True

True or False? Because of their financial advantage, cloud-based solution providers may be better positioned to recruit and hire trained system specialists.

True

Which of the following is a security advantage of a cloud-based provider?

All of these are correct.

True or False? By using colocated, replicated hardware and software, cloud-solution providers reduce many threats to IT resources.

True

The term __________ is used when a cloud-based storage device overwrites (wipes) a file's contents when a file is deleted.

data wiping

True or False? The most difficult challenge for a company to defend itself against is a malicious employee.

True

True or False? Rather than simply store a file on one drive, the RAID system stores the data across several drives.

True

Common components of a service-level agreement (SLA) include which of the following?

All of these are correct.

True or False? A disaster recovery plan (DRP) identifies risks to a company and ways to mitigate those risks.

True

Assume a device manufacturer tests 100 devices. The first device fails at 100 hours. The last device fails at 200 hours. What is the device mean time between failure (MTBF)?

10,000 hours

____________ describes the policies, procedures, and actions taken by an organization to ensure the availability of critical business functions to employees, customers, and other key stakeholders.

Business continuity

A(n) ___________________ provides users with a few minutes of battery backup power so the users can save their work and shut down their systems in an orderly way.

uninterruptible power supply (UPS)

True or False? A disgruntled employee can harm a company by launching a computer virus, changing or deleting files, or exposing system passwords.

True

True or False? Many data centers have diesel-powered generators to produce power in the event of a long-term outage.

True

True or False? Database replication creates two live copies of databases on separate servers. If one database fails, the other can immediately take over operations.

True

True or False? A device's mean time between failure (MTBF) rating provides an estimate of how long the device should last.

True