Which smart home wireless technology has an open standard that allows up to 232 devices to be connected?
Correct answer(s):
- Z-Wave
Topic
Introduction to Computer Studies
Practice related MCQ quizzes and improve step by step.
Quizzes in Introduction to Computer Studies
Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services?
Correct answer(s):
- UTM
Which type of server would be used to keep a historical record of messages from monitored network devices?
Correct answer(s):
- syslog
A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows?
Correct answer(s):
- The data flow is being tracked based on the source port number that is used by each application.
Which well-known port number is used by the DHCP (client) protocol?
Correct answer(s):
- 68
A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network?
Correct answer(s):
- DSL modem
Which type of connection to the Internet is capable of the fastest transfer rates?
Correct answer(s):
- fiber
Which device provides wireless connectivity to users as its primary function?
Correct answer(s):
- access point
Which pairs of wires change termination order between the 568A and 568B standards?
Correct answer(s):
- green and orange
Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
Correct answer(s):
- 802.11n
What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
Correct answer(s):
- application, transport, internet, network access
What is a characteristic of a WAN?
Correct answer(s):
- It connects multiple networks that are geographically separated.
What is a common function of a proxy server?
Correct answer(s):
- to store frequently accessed web pages on the internal network
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
Correct answer(s):
- switch
How many devices can a Bluetooth device connect to simultaneously?
Correct answer(s):
- 7
A network specialist has been hired to install a network in a company that assembles airplane engines. Because of the nature of the business, the area is highly affected by electromagnetic interference. Which type of network media should be recommended so that the data communication will not be affected by EMI?
Correct answer(s):
- fiber optic
When would a printer be considered a network host?
Correct answer(s):
- when it is connected to a switch
Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)
Correct answer(s):
- RFI
- EMI
Which two devices are commonly powered by PoE? (Choose two.)
Correct answer(s):
- access point
- IP phone
A customer is considering a multipurpose device to create a home network. Which three devices are usually integrated into a multipurpose network device? (Choose three.)
Correct answer(s):
- switch
- router
- wireless access point