A+ V14 Network Interface Cards and Modems Quiz

1. A cable modem operates over which type of network infrastructure?

Public switched telephone network

Cable television network

Wireless cellular network

Fiber optic backbone only

2. A computer with a faulty NIC driver would most likely experience which issue?

Inability to connect to the network

Reduced monitor refresh rate

Slower hard drive performance

Overheating CPU

3. Which of the following is NOT a type of network modem?

Cable modem

DSL modem

Thermal modem

Fiber modem

4. In networking, what does the acronym NIC stand for?

Network Interface Card

Network Internet Connection

Network Identification Code

Network Interface Controller

5. What is the typical maximum cable length for 100BASE-TX Ethernet?

100 meters

185 meters

500 meters

1000 meters

6. Which modem technology provides the fastest speeds over standard telephone lines?

V.34

V.90

V.92

V.44

7. A NIC's MAC address is used to identify devices on which network layer?

Physical layer

Data link layer

Network layer

Transport layer

8. What does PoE stand for in network technology?

Power over Ethernet

Protocol over Extension

Port over Equipment

Packet over Exchange

9. Which OSI layer does a NIC primarily operate at?

Layer 1 (Physical)

Layer 2 (Data Link)

Layer 3 (Network)

Layer 4 (Transport)

10. What is the maximum theoretical speed of 802.11ac wireless standard?

54 Mbps

300 Mbps

1.3 Gbps

10 Gbps

11. What is the primary function of a network interface card (NIC)?

Convert digital data into signals for network transmission

Store temporary network data in cache

Amplify electrical signals from the router

Manage power distribution to network devices

12. Which connector type is used for modern Gigabit Ethernet connections?

RJ-11

RJ-45

DB-9

USB Type-C

13. What is the function of a NIC driver?

Communicate between the OS and the network hardware

Increase network signal strength

Filter malicious network packets

Monitor bandwidth usage

14. Which of the following is a wireless NIC standard operating at 5 GHz?

802.11b

802.11g

802.11a

802.11n only

15. What does PXE stand for in network boot scenarios?

Pre-Execution Environment

Peripheral Exchange Extension

Preboot eXecution Environment

Protocol eXchange Engine

16. Which type of modem is used for high-speed internet over telephone lines?

V.92 modem

Cellular modem

Fiber optic modem

Coaxial modem

17. What is the maximum data rate for a Fast Ethernet (100BASE-TX) connection?

10 Mbps

100 Mbps

1000 Mbps

10000 Mbps

18. Which connection type allows a NIC to operate at full duplex?

Dial-up modem

Gigabit Ethernet

Wireless 802.11b

Serial connection

19. What does a modem do in a network connection?

Modulates and demodulates analog and digital signals

Routes data packets between networks

Encrypts data for secure transmission

Compresses data to reduce bandwidth usage

20. Which of the following is a standard for Ethernet over twisted pair cabling?

802.11ac

802.3

802.15

802.16