IS 355 Exam 1

A network can have both analog and digital segments. True or False

True

Hyperconnectivity refers to always being online and connected.

True or False

True

With real-time communications, message delivery does not depend on the recipient being available to receive the message. True or False

False

Which of the following cloud service models is designed to support application development?

Infrastructure as a Service (IaaS)

Platform as a Service (PaaS)

Software as a Service (SaaS)

Anything else as a Service (AaaS)

Platform as a Service (PaaS)

Of the following, which is the most convenient method of communicating simple messages quickly?

Text messaging

Face-to-face meetings

Video conferencing

Telephone conversation

Text messaging

Dhruv is a network engineer. He wants to move much of his organization's data center infrastructure to the cloud. He wants maximum control over the infrastructure without the capital expenses involved in setting up and maintaining that infrastructure. Which of the following is the best solution for Dhruv?

Public cloud

Private cloud

Platform as a Service (PaaS)

Anything else as a Service (AaaS)

Private cloud

Which protocol requests and assigns IP addresses on a network?

Internet Protocol (IP)

Dynamic Host Configuration Protocol (DHCP)

Session Initiation Protocol (SIP)

Voice over IP (VoIP)

Dynamic Host Configuration Protocol (DHCP)

Internet of Things (IoT) autonomy can move some administrative decisions into programs that do not need human interaction. True or False

True

Internet Protocol version 6 (IPv6) makes it easier to aggregate subnets using routing prefixes.

True or False

True

In the workplace, a message sender chooses a delivery method, such as email, instant messaging, or text messaging. Then the sender selects the appropriate recipient and composes a message. Which of the following is not true regarding this approach?

1)Not all message senders fully understand the impact of their delivery method decisions.

2)This approach requires that every message sender understand the communication process and make the best delivery decision.

3)Reliable communications methods still require senders to monitor sent messages for errors or potentially missing messages.

4)Most communication methods require that the sender know the recipient to send a message.

3. Reliable communications methods still require senders to monitor sent messages for errors or potentially missing messages.

When users access applications in the cloud, the wide area network (WAN) limits overall application performance. True or False

True

Biometric records are an example of personally identifiable information (PII). True or False

True

Technology and unified communications (UC) solutions can help small office/home office (SOHO) businesses solve the following challenges, except:

make them equal to an enterprise business.

provide a professional appearance.

level limited resources.

reach new customers.

make them equal to an enterprise business.

Frequent traveler cards with radio frequency identification (RFID) technology enable travelers to use the same card as the hotel room key.

True or False

True

Carl works for a government agency. As part of a business impact analysis, he is evaluating what business functions are critical to his agency's ability to remain operational after a disaster. Which of the following aspects of the agency's network would most significantly affect business continuity after a hurricane or flood?

High availability

Network security

Hosting infrastructure

Bandwidth

High availability

The overall procurement process for government agencies follows the request for proposal (RFP) model. True or False

True

Your enterprise business has offices in the United States, Spain, and Japan. Which of the following is a communication challenge your company faces?

Holding meetings with people who work in different time zones

Maintaining employee service records in all locations

Ensuring that workers in all locations receive the same benefits

Ensuring employees have the latest tools to communicate effectively

Holding meetings with people who work in different time zones

A communication solution project has several steps. Skipping one of the steps will likely result in a solution that falls short of the expected functionality and will probably waste resources. Which step is not crucial to the project?

Define the scope of work.

Assign resources and time expectations to each work unit.

Keep track of issues during plan execution and address them in the future.

Monitor the solution to ensure it meets the organization's goals.

Keep track of issues during plan execution and address them in the future.

Government agencies emphasize a customer service model in which they normally are in touch directly with their customers, while enterprises tend to focus more on mandates and budget limitations. True or False

False

One communication challenge for government agencies is meeting an increasing number of requirements with shrinking budgets.

True or False

True

A hybrid network topology is a network that contains several different topologies. True or False

True

A protocol stack is how software operates at different layers of the OSI model. True or False

True

Whereas redundancy is the ability to recover from a failure, resiliency means that there are multiple ways to carry out a task. True or False

False

For some devices and software, multiple OSI model layers are combined and, in some cases, layers may be omitted. True or False

True

Networks are subject to a maximum distance or path length due to signal attenuation. True or False

True

On a circuit-switched network:

transmission delay or latency can be high.

many conversations share the same network connections and use more of the network's capacity.

collisions and congestion are not issues.

communications are inexpensive.

collisions and congestion are not issues.

Of the following, what is the easiest way to interconnect two networks?

Gateway