IT 205 Week 4 Week Four Knowledge Check

**********************************************
IT 205 Entire Course Link
https://uopcourses.com/category/it-205/
**********************************************
IT 205 Week 4 Week
Four Knowledge Check

Week 4 Knowledge Check

The material presented
below is not meant to be a comprehensive list of all you need to know in the
content area. Rather it is a starting point for building your knowledge and
skills. Additional study materials are recommended in each area below to help
you master the material.

Personalized Study Guide Results 

Score
15 / 15






Concepts


Mastery


Questions





Telecommunications
Networks


100%


·        
1
·        
2
·        
3




Networking
Technologies


100%


·        
4
·        
5
·        
6




The Internet


100%


·        
7
·        
8
·        
9




Wireless
Technologies


100%


·        
10
·        
11
·        
12




Cellular
Technologies


100%


·        
13
·        
14
·        
15




Concept: Telecommunications Networks




Mastery


100%


Questions


·        
1
·        
2
·        
3




Materials on the concept


  • Review Summary

  • 6.1. Telecommunications and Networking in Today’s Business World

  • Physical Transmission Media

  • 6.4. The Wireless Revolution





1.

What are the principal components of a telecommunications network?

·        
A.

Computers, client–server devices, and smart phones

·        
B.

Voice or data computers, network interfaces, and transmission
medium

·        
C.

Modems, transmission links, and wireless access points

·        
D.

TCP/IP software, modems, and transmission links





2.

What are the key technologies used in today’s telecommunications
networks?

·        
A.

The increased use of the Internet, circuit switching, and fiber
optics

·        
B.

The increased use of smart phones, wi-fi, and metro Ethernet

·        
C.

Metro Ethernet, wi-fi, and cloud computing

·        
D.

Packet switching; voice, data, and video networks; and TCP/IP





3.

What transmission media are used in most telecommunications
networks?

·        
A.

DSL lines, wi-fi, fiber optic cable, and telephone lines

·        
B.

LANs, MANs, and WANs

·        
C.

Fiber optic cable, coaxial copper cable, and twisted-pair copper
cable

·        
D.

Ethernet, TCP/IP, and wi-fi



Concept: Networking Technologies




Mastery


100%


Questions


·        
4
·        
5
·        
6




Materials on the concept


  • Technology

  • Review Summary

  • 6.1. Telecommunications and Networking in Today’s Business World

  • Physical Transmission Media

  • 6.4. The Wireless Revolution





4.

What are the principal components of a data communications
network?

·        
A.

Physical devices, transmission links, and software

·        
B.

TCP/IP software, modems, and transmission links

·        
C.

Modems, transmission links, and wireless access points

·        
D.

Mainframe computers, client/server devices, and smart phones





5.

What are the key technologies used in contemporary data
communications networks?

·        
A.

The Internet, circuit switching, and fiber optics

·        
B.

Client/server computing, packet switching, and the TCP/IP protocol

·        
C.

Metro Ethernet, wi-fi, and cloud computing

·        
D.

Smart phones, wi-fi, and metro Ethernet protocol





6.

What transmission media are used in data communications networks?

·        
A.

DSL lines, wi-fi, and fiber optic cable

·        
B.

LANs, MANs, and WANs

·        
C.

Wireless, fiber optic cable, and twisted-pair copper cable

·        
D.

Ethernet, TCP/IP, and wi-fi



Concept: The Internet




Mastery


100%


Questions


·        
7
·        
8
·        
9




Materials on the concept


  • 6.3. The Global Internet

  • Internet Services and Communication Tools

  • Internet Services

  • Telecommunications, the Internet, and Wireless Technology

  • 6.1. Telecommunications and Networking in Today’s Business World





7.

How does the Internet operate?

·        
A.

The Internet uses unique addresses to identify computers, enabling
them to exchange data on a global basis.

·        
B.

The World Wide Web enables the Internet to determine where
searches should be performed on a global basis.

·        
C.

The world’s largest and most widely used network, the Internet,
uses address permissions to connect functions.

·        
D.

The Internet uses the client/server model and the TCP/IP to
deliver connectivity





8.

What Internet-based services are used by most people today?

·        
A.

E-mail, newsgroups, instant messaging, file transfer, and
accessing web pages

·        
B.

E-mail, voice over IP, bandwidth, and video conferencing

·        
C.

E-mail, Ethernet, interactive video, and video over IP

·        
D.

E-mail, TCP/IP links and accessing web pages, ME, and back-end
systems





9.

Which of the following best represents how Internet technology
helps a company operate?

·        
A.

A company’s website creates and communicates with the business.

·        
B.

Customers communicate about a company’s products from its website.

·        
C.

The Internet communicates with a company to establish a
professional image.

·        
D.

The Internet helps a company communicate with its customers,
suppliers, and employees



Concept: Wireless Technologies




Mastery


100%


Questions


·        
10
·        
11
·        
12




Materials on the concept


  • Wireless Computer Networks and Internet Access

  • Review Summary

  • RFID and Wireless Sensor Networks

  • Radio Frequency Identification (RFID)

  • Bluetooth





10.

What are the leading standards for wireless computer networks?

·        
A.

Bluetooth, wi-fi, and GSM

·        
B.

Bluetooth, wi-fi, and 3G

·        
C.

Bluetooth, wi-fi, and WiMax

·        
D.

Bluetooth, wi-fi, and 4G





11.

How can radio frequency identification (RFID) technology be used
to improve inventory control and distribution operations?

·        
A.

RFID tracks the shipments of goods while in transit.

·        
B.

RFID helps a company see where sales are greatest for each item in
inventory.

·        
C.

RFID helps a company see what stock is stored in warehouses or on
retail store shelves.

·        
D.

RFID tracks where customers are buying specific products





12.

How is Bluetooth (802.15) wireless communications technology
typically used today?

·        
A.

Technology automatically pairs devices whenever they are docked
near another Bluetooth station.

·        
B.

Wireless devices communicate with each other and can operate
without user intervention.

·        
C.

Wireless devices provide compatibility among all power outlet
devices.

·        
D.

Wireless devices support a robust quality-of-service featuring
both voice and data



Concept: Cellular Technologies




Mastery


100%


Questions


·        
13
·        
14
·        
15




Materials on the concept


  • Cellular Systems

  • 6.4. The Wireless Revolution





13.

What are the advantages of code division multiple access (CDMA)
cellular technology versus global systems for mobile communication (GSM)?

·        
A.

CDMA is less expensive to build, more efficient in its use of
bandwidth and provides higher throughput.

·        
B.

CDMA is the technology used by the largest carriers including
Verizon and T-Mobile and it minimizes roaming costs when connecting to a
different carrier.

·        
C.

CDMA is more expensive to build but it offers support for
simultaneous voice and data.

·        
D.

CDMA supports international roaming and a better web browsing
experience





14.

What is the primary advantage of 4G cellular networks versus 3G
cellular networks?

·        
A.

Simultaneous voice and data

·        
B.

Location–based services

·        
C.

Speed of data transmission

·        
D.

Web-browsing including video





15.

What is the primary advantage of GSM when considering the purchase
of a cell phone or smart phone?

·        
A.

Support for voice and data communications

·        
B.

The SIM card to activate a new device

·        
C.

Efficient use of wireless spectrum

·        
D.

International roaming capability

Powered by