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Which statement describes a characteristic of cloud computing?

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A business can connect directly to the Internet without the use of an ISP.
Devices can connect to the Internet through existing electrical wiring.
Investment in new infrastructure is required in order to access the cloud.
Applications can be accessed over the Internet through a subscription.

Which two Internet connection options do not require that physical cables be run to the building? (Choose two.)

cellular
dialup
satellite
DSL
dedicated leased line

What is a characteristic of circuit-switched networks?

A single message can be broken into multiple message blocks that are transmitted through multiple circuits simultaneously.
If all circuits are busy, a new call cannot be placed.
If a circuit fails, the call will be forwarded on a new path.

Circuit-switched networks can dynamically learn and use redundant circuits.

Requiring strong, complex passwords is a practice that supports which network security goal?

maintaining communication integrity
ensuring redundancy
ensuring data confidentiality
ensuring reliability of access

What two criteria are used to help select network media? (Choose two.)

the distance the media can successfully carry a signal
the environment where the media is to be installed
the cost of the end devices utilized in the network
the number of intermediary devices installed in the network
the types of data that need to be prioritized

Which statement describes a network that supports QoS?

Data sent over the network is not altered in transmission.
The fewest possible devices are affected by a failure.
The network provides predictable levels of service to different types of traffic.
The network should be able to expand to keep up with user demand.

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