Advanced Computer Architecture MCQs with Answers
Practice important Advanced Computer Architecture MCQs with answers and explanations.
Chapter: 43
Q941:
Latency in a WAN is significantly higher than in a LAN due to:
A. More users
B. More switches and routers
C. Shorter distances
D. Faster processing
Correct Answer:
B
Chapter: 43
Q942:
The total latency can be calculated as:
A. Sender overhead + Time of flight + Transmission time + Receiver overhead
B. Sender overhead + Transmission time + Receiver overhead
C. Sender overhead + Time of flight + Message size
D. Receiver overhead + Time of flight + Bandwidth
Correct Answer:
A
Chapter: 43
Q943:
The formula for effective bandwidth is:
A. Effective bandwidth = Message size / Actual bandwidth
B. Effective bandwidth = Actual bandwidth / Message size
C. Effective bandwidth = Message size + Bandwidth
D. Effective bandwidth = Bandwidth / Message size
Correct Answer:
A
Chapter: 43
Q944:
Which type of cable is typically used for high-performance networking?
A. Twisted pair
B. Co-axial cable
C. Fiber optic cable
D. None of the above
Correct Answer:
C
Chapter: 43
Q945:
Fill in the blank: A host in a network is also called a ________.
A. Node
B. Server
C. Client
D. Router
Correct Answer:
A
Chapter: 43
Q946:
Fill in the blank: A checksum is used to detect errors in a ________.
A. Packet
B. Message
C. Signal
D. Protocol
Correct Answer:
A
Chapter: 43
Q947:
Fill in the blank: The ________ is the time for the first bit of a message to arrive at the receiver.
A. Time of flight
B. Latency
C. Transmission time
D. Sender overhead
Correct Answer:
A
Chapter: 43
Q948:
What happens if an acknowledgment does not arrive in time?
A. The message is discarded
B. The message is sent again
C. The message is altered
D. The connection is lost
Correct Answer:
B
Chapter: 44
Q949:
What does a modem stand for in data communication?
A. Modulation/Demodulation
B. Multi-Mode Data
C. Media Device
D. Modern Networking
Correct Answer:
A
Chapter: 44
Q950:
The data transfer rate depends on the quality of what medium?
A. Fiber optic
B. Telephone line
C. Wireless
D. Coaxial cable
Correct Answer:
B
Chapter: 44
Q951:
Which type of fiber optic cable has a small diameter and high data rate?
A. Multimode fiber
B. Single-mode fiber
C. Coaxial cable
D. Twisted pair
Correct Answer:
B
Chapter: 44
Q952:
Wavelength-Division Multiplexing (WDM) increases throughput by sending waves of different what?
A. Voltages
B. Frequencies
C. Wavelengths
D. Amplitudes
Correct Answer:
C
Chapter: 44
Q953:
Wireless transmission primarily uses what form to transfer data?
A. Electrical signals
B. Light signals
C. Electromagnetic waves
D. Sound waves
Correct Answer:
C
Chapter: 44
Q954:
The total amount of data from 20 magnetic tapes, each containing 40GB, is ______.
A. 600GB
B. 800GB
C. 1000GB
D. 1200GB
Correct Answer:
B
Chapter: 44
Q955:
The time taken to transmit data over a distance using twisted pair is calculated by which formula?
A. Data size / Data rate
B. Data rate / Distance
C. Data size + Data rate
D. Distance x Time
Correct Answer:
A
Chapter: 44
Q956:
In a shared medium, as the number of machines increases, the data transfer rate ______.
A. Increases
B. Decreases
C. Remains constant
D. Becomes unpredictable
Correct Answer:
B
Chapter: 44
Q957:
Which topology connects computers via a single shared medium?
A. Star
B. Ring
C. Bus
D. Switched
Correct Answer:
C
Chapter: 44
Q958:
The OSI model consists of how many layers?
A. 5
B. 6
C. 7
D. 8
Correct Answer:
C
Chapter: 44
Q959:
In packet switching, each packet has what crucial piece of information?
A. User ID
B. Destination address
C. Source code
D. Transmission speed
Correct Answer:
B
Chapter: 44
Q960:
Fragmentation reduces the delay in the network by doing what?
A. Increasing packet size
B. Dividing large packets
C. Encrypting data
D. Compressing packets
Correct Answer:
B