NWC204

During a routine inspection, a technician discovered that software that was installed on a computer was secretly collecting data about websites that were visited by users of the computer. Which type of threat is affecting this computer?

• DoS attack​

• identity theft

• zero-day attack

• spyware

Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators?

• Internet

• extendednet

• intranet

• extranet

A large corporation has modified its network to allow users to access network resources from their personal laptops and smart phones. Which networking trend does this describe?

• bring your own device

• online collaboration

• cloud computing

• video conferencing

What is an ISP?

• It is a networking device that combines the functionality of several different networking devices in one.

• It is an organization that enables individuals and businesses to connect to the Internet.

• It is a standards body that develops cabling and wiring standards for networking.

• It is a protocol that establishes how computers within a local network communicate.

In which scenario would the use of a WISP be recommended?

• a farm in a rural area without wired broadband access

• an apartment in a building with cable access to the Internet

• an Internet cafe in a city

• any home with multiple wireless devices

What characteristic of a network enables it to quickly grow to support new users and applications without impacting the performance of the service being delivered to existing users?

• accessibility

• reliability

• quality of service

• scalability

A college is building a new dormitory on its campus. Workers are digging in the ground to install a new water pipe for the dormitory. A worker accidentally damages a fiber optic cable that connects two of the existing dormitories to the campus data center. Although the cable has been cut, students in the dormitories only experience a very short interruption of network services. What characteristic of the network is shown here?

• security

• integrity

• scalability

• quality of service (QoS)

• fault tolerance

What are two characteristics of a scalable network? (Choose two.)

• grows in size without impacting existing users

• is not as reliable as a small network

• easily overloaded with increased traffic

• suitable for modular devices that allow for expansion

• offers limited number of applications

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

• dedicated leased line

• DSL

• dialup

• satellite

• cellular

What type of network must a home user access in order to do online shopping?

• an intranet

• the Internet

• an extranet

• a local area network