Connecting to the Internet | Quiz with Answers

1. The rate at which a dial-up connection can send data across a telephone wire is known as a _____ rate. 
  baud
  data
  transfer
  voice 

Answer - baud

Explanation - A baud rate is equivalent to bits per second.

2.  A T3 consists of _____ T1 lines.

  1

  24

  28

  100

Answer - 28 

Explanation - A T3 is just 28 multiplexed T1 lines.

3. FTTP stands for _______. 

  Fiber to the Premises

  Fiber to the People

  Fiber Telephone Total Package

  File Transfer Telephone Protocol   

Answer - Fiber to the Premises

Explanation - FTTP is a technology that uses fiber to bring an internet connection to a building or home. 

4. A traditional wireless network involving access points that all have wired connections is known as a(n) _______. 

  LAN

  WLAN

  WAN

  ad-hoc network   

Answer - WLAN

Explanation - A WLAN is the term for a traditional wireless network.

5. Modems communicate data by using which method?

  Light pulses

  Radio frequency

  Electric charges

  Audible wavelengths  

Answer -  Audible wavelengths 

Explanation - Phone lines were developed to transmit sound. Modems transfer data through audible wavelengths.

6. Digital Subscriber Line (DSL) is the only Internet connection option available for a small office in the middle of nowhere. Which type will provide speeds above 1.544 megabits per second?

  High Bit-rate Digital Subscriber Line (HDSL)

  Digital Subscriber Line Access Multiplexer (DSLAM)

  Asymmetric Digital Subscriber Line (ADSL)

  Symmetric Digital Subscriber Line (SDSL) 

Answer -  High Bit-rate Digital Subscriber Line (HDSL)

Explanation - 

7. Which connection technology uses what is known as a CMTS?

  Cable Internet

  Dial-up

  Digital Subscriber Line

  Fiber optic 

Answer - Cable Internet

Explanation - The Cable Modem Termination System (CMTS) connects lots of different cable connections to an ISPs core network.

8. Which solution eliminates the need for dedicated high-speed WAN connections between sites?

  T-carrier technology

  Asynchronous Transfer Mode (ATM)

  Point-to-point VPN

  Cable broadband  

Answer - Point-to-point VPN

Explanation -  A point-to-point VPN utilizes the Internet to create a more private high-speed link without the need for dedicated WAN technology. 

9. Television broadcasts were originally delivered by using which technology?

  Ethernet

  Coaxial cable

  Broadband

  Wireless  

Answer - Wireless

Explanation - Television has historically moved in the opposite direction of networking as broadcasts were sent and received with antennas.

10.  The more accurate name for a modem used for a DSL connection is a ______.

  POTS

  DSLAM

  CMTS

  ONT

Answer - DSLAM

Explanation - A DSLAM is the proper name for a DSL modem.

11. A section of the radio spectrum that’s been agreed upon to be used for certain communications is known as a _______.

  frequency band

  channel

  collision domain

  wireless LAN 

Answer - frequency band

Explanation - Different locales might have different frequency bands defined.

12.  WPA2 uses a key that's ____ bits long.

  64

  128

  256

  512

Answer - 256

 Explanation - 256-bit keys are pretty difficult to break. 

13. Cable Internet access can be described with which feature?

  Central Office (CO) connection

  Shared bandwidth

  Dedicated bandwidth

  Wireless transmissions  

Answer - Shared bandwidth

Explanation - Shared bandwidth means multiple users use the same connection. With cable Internet, many users (like in a city block) use the same line back to the ISP.

14. An Internet connection problem for customers is found to be outside a carrier's regional office. As a result, which area needs troubleshooting?

  Core network

  Wide Area Network (WAN)

  Local loop

  Demarcation point 

Answer - Local loop  

Explanation - A local loop is the portion of a network between a customer's demarcation point and the carrier or ISP facility.

15. In which wireless configuration type do nodes communicate directly with each other, rather than with an access point?

  Mesh network

  2.4Ghz

  Ad-hoc

  802.11b 

Answer - Ad-hoc

Explanation - In an ad-hoc network, all nodes communicate and transmit directly to each other.  

16. What Internet system, that still exists today, was built during the early days of dial-up networking?

  Bulletin Board System

  World Wide Web

  Broadband

  USENET 

Answer - USENET

Explanation - USENET is an early online system that was created to exchange messages.

17. How many simultaneous phone conversations can a T1 line carry?

  20

  24

  23

  28 

Answer - 24

Explanation - A T1 is a dedicated communication line that can carry both data and voice.

18. Television broadcasts were originally delivered by using which technology?

  Ethernet

  Wireless

  Broadband

  Coaxial cable

Answer - Wireless

Explanation - Television has historically moved in the opposite direction of networking as broadcasts were sent and received with antennas.

19. What two benefits are a result of configuring a wireless mesh network? Check all that apply.

Performance

Range

Ad-hoc configuration

WiFi protected setup

 

Answer - Performance and Range

Explanation - Performance increases when access points are configured in a mesh where all points are connected to each other. Range increases when access points are configured in a mesh where all points are connected to each other.

 20. A T1 consists of _____ telephone channels.
  1
  24
  28
  100 

Answer - 24

Explanation - A T1 uses 24 telephone channels to send data.

21. The original and flawed wireless security protocol is known as _____.
  WEP
  WPA
  MAC filtering
  VPN 

Answer - WEP

Explanation - WEP is not very secure and has been mostly phased out.

22. Another name for cellular networking is ______ networking.
  wide area
  organic
  computer
  mobile 

Answer - mobile

Explanation - Depending on where you're from, one term or the other may be more common.

23. An 802.11 frame contains a number of fields. Which field describes the version of 802.11 that is being used?
  Duration
  Address
  Frame control
  Sequence control 

Answer  - Frame control

Explanation - The frame control field contains a number of subfields to describe the frame and processing. This includes the version of 802.11 being used.

24. How many simultaneous phone conversations can a T1 line carry?

  24
  20
  23
  28  

Answer  - 24

Explanation - A T1 is a dedicated communication line that can carry both data and voice.

25. What are two characteristics of a 5Ghz band wireless network? Check all that apply.

Short range

Long range

Slow speeds

Fast speeds

Answer -   short range and Fast speed

Explanation - A wireless network that operates with a 5Ghz frequency offers greater speeds than that of a 2.4Ghz network. 

26. Cat5 and Cat6 cabling refer to which reference model layer?
  Transport
  Data link
  Physical
  Presentation  

Answer - Physical 

Explanation - Physical media, like cables, provide connectivity and are associated with the physical layer.

27. Which value once represented a very popular modem baud rate that was used with dial-up connections?
  1970
  14400
  110
  1990  

Answer - 14400

Explanation - While not commonly used today, dial-up still exists. 14400 (14.4k) baud was a popular baud (speed) rate.