Question: Which of the following network topologies uses a central hub or switch to which all computers connect?
Answer Choices:
A. Ring
B. Mesh
C. Star
D. Bus
Answer: C. Star
Question: Which device connects multiple networks and determines the best path for data?
Answer Choices:
A. Switch
B. Router
C. Hub
D. Bridge
Answer: B. Router
Question: Which protocol is used to assign IP addresses automatically to devices on a network?
Answer Choices:
A. DNS
B. DHCP
C. FTP
D. HTTP
Answer: B. DHCP
Question: Which term indicates a network’s theoretical capacity to transmit the maximum quantity of data in a certain time period?
Answer Choices:
A. Latency
B. Speed
C. Frequency
D. Bandwidth
Answer: D. Bandwidth
Question: What is attenuation?
Answer Choices:
A. An increase in a signal’s frequency over time
B. A gain in signal strength that is required for transmission
C. A decrease in a signal’s frequency over time
D. A loss of signal strength that occurs during transmission
Answer: D. A loss of signal strength that occurs during transmission
Question: Which term refers to a signal wave position with respect to a reference position?
Answer Choices:
A. Frequency
B. Phase
C. Period
D. Magnitude
Answer: B. Phase
Question: Which type of signals are denoted by square waves?
Answer Choices:
A. Radio signals
B. Optical signals
C. Digital signals
D. Analog signals
Answer: C. Digital signals
Question: Which advantage does digital signaling have compared to analog signaling?
Answer Choices:
A. With digital signaling, information is prevented from being layered.
B. With digital signaling, information is less susceptible to destruction by noise.
C. With digital signaling, waves cannot be decomposed into simpler signals.
D. With digital signaling, continuous signal variations prevent data loss.
Answer: B. With digital signaling, information is less susceptible to destruction by noise.
Question: What is one advantage of twisted-pair cables compared to other networking cables?
Answer Choices:
A. They are easy to handle and install.
B. Data transmission rates are high.
C. They are able to transmit signals over long distances.
D. They are highly stable under high loads.
Answer: A. They are easy to handle and install.
Question: What is one benefit of coaxial cables compared to twisted-pair cables?
Answer Choices:
A. They are physically thinner and have a lighter weight.
B. They are cheaper to install over long distances.
C. They are less sensitive to electromagnetic interference.
D. They require no special tools or connectors to install.
Answer: C. They are less sensitive to electromagnetic interference.