Notes in VUW Second Year::NWEN243

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Status	Last Update	Fields
Published	10/22/2024	What is the lowest-level definition of a network?
Published	10/22/2024	In a network, what is the term for devices that are connected?
Published	10/22/2024	In a network, what is the physical medium connecting devices called?
Published	10/22/2024	Provide an example of a basic network.
Published	10/22/2024	How are whole numbers represented in computers?
Published	10/22/2024	How many bits are used to represent a character in ASCII?
Published	10/22/2024	Between ASCII and Unicode, which encoding scheme uses more bits, and why?
Published	10/22/2024	How is text represented in computers using ASCII?
Published	10/22/2024	How is text represented in computers using Unicode?
Published	10/22/2024	How are images stored in a computer?
Published	10/22/2024	How many bits per pixel are typically used in a BMP image?
Published	10/22/2024	Which image format uses lossy compression?
Published	10/22/2024	Which image format uses lossless compression?
Published	10/22/2024	What does Pulse Code Modulation (PCM) represent in terms of audio?
Published	10/22/2024	How is video data represented in computers?
Published	10/22/2024	What is transmitted by the physical layer of a network?
Published	10/22/2024	What is the process of converting bits into signals called?
Published	10/22/2024	What is the process of converting signals back into bits called?
Published	10/22/2024	Why is synchronization important in bit transmission?
Published	10/22/2024	What does synchronization do in bit transmission?
Published	10/22/2024	What is the process of converting data bits into signals for transmission?
Published	10/22/2024	What is the process of converting signals back into data bits?
Published	10/22/2024	What type of device is responsible for modulation and demodulation in a network?
Published	10/22/2024	Why do we use modulation in data transmission?
Published	10/22/2024	What does Pulse Amplitude Modulation (PAM) directly modulate?
Published	10/22/2024	What is the main downside of Pulse Amplitude Modulation (PAM)?
Published	10/22/2024	What does Frequency Shift Keying (FSK) depend on for modulation?
Published	10/22/2024	What is Phase Shift Keying (PSK) used to modulate?
Published	10/22/2024	What is bandwidth in networking?
Published	10/22/2024	What does throughput measure in networking?
Published	10/22/2024	Name two ways to increase throughput in a network.
Published	10/22/2024	What is attenuation in signal transmission?
Published	10/22/2024	What causes delay distortion in a network?
Published	10/22/2024	What is interference in signal transmission?
Published	10/22/2024	What is the effect of fading on signal transmission?
Published	10/22/2024	What is propagation delay in networking?
Published	10/22/2024	What two factors affect propagation delay?
Published	10/22/2024	What is the relationship between bandwidth and latency?
Published	10/22/2024	What is a guided medium in networking?
Published	10/22/2024	What is an unguided medium in networking?
Published	10/22/2024	How does frequency relate to wavelength in transmission?
Published	10/22/2024	What is the difference between synchronous and asynchronous transmission?
Published	10/22/2024	Which type of transmission uses a shared clock signal?
Published	10/22/2024	Which type of transmission uses start and stop bits?
Published	10/22/2024	What is a parity check used for in networking?
Published	10/22/2024	What does a cyclic redundancy check (CRC) detect?
Published	10/22/2024	What technique allows a receiver to detect and correct errors without retransmission?
Published	10/22/2024	What does MAC stand for in networking?
Published	10/22/2024	What is the function of a MAC address in networking?
Published	10/22/2024	Why do nodes on the same network need a MAC address?
Published	10/22/2024	What is access mediation in networking?
Published	10/22/2024	What is the purpose of access mediation in a shared communication medium?
Published	10/22/2024	What does CSMA/CD stand for in networking?
Published	10/22/2024	What does CSMA do in Ethernet networking?
Published	10/22/2024	What does CD do in CSMA/CD?
Published	10/22/2024	What happens when a collision is detected in CSMA/CD?
Published	10/22/2024	How does CSMA/CD handle collisions after detection?
Published	10/22/2024	Why doesn't CSMA/CD work well in wireless networks?
New Card	10/21/2024	How do micro-services scale differently compared to monolithic applications?
New Card	10/21/2024	What is "Serverless" Computing?
New Card	10/21/2024	What is a Byzantine Error?
New Card	10/21/2024	What are the 3 primary characteristics of Cloud Computing?
New Card	10/21/2024	What happens if when demand is less than capacity?
New Card	10/21/2024	What happens if when demand is MORE than capacity?
Removal Requested	10/22/2024	TEST
New Card	10/21/2024	Test 2
Published	10/22/2024	How does Pulse Code Modulation convert analog signals to digital?
Published	10/22/2024	How is audio data stored in MP3 format?
Published	10/22/2024	What is quantization error in audio data conversion?
Published	10/22/2024	What is modulation in bit transmission?
Published	10/22/2024	Why is modulation necessary?
Published	10/22/2024	What is demodulation in bit transmission?
Published	10/22/2024	What is a modem, and what does it do?
Published	10/22/2024	What are four methods of modulation?
Published	10/22/2024	What is Pulse Amplitude Modulation (PAM)?
Published	10/22/2024	What is Frequency Shift Keying (FSK)?
Published	10/22/2024	What is Phase Shift Keying (PSK)?
Published	10/22/2024	What is Quadrature Amplitude Modulation (QAM)?
Published	10/22/2024	What is bandwidth?
Published	10/22/2024	What is throughput?
Published	10/22/2024	How can throughput be increased?
Published	10/22/2024	What is a symbol in the context of data transmission?
Published	10/22/2024	What are some factors that limit throughput?
Published	10/22/2024	What is Link Latency (Propagation Delay)?
Published	10/22/2024	What affects Link Latency?
Published	10/22/2024	What is asynchronous transmission?
Published	10/22/2024	How does asynchronous transmission achieve synchronization?
Published	10/22/2024	Where is asynchronous transmission commonly used?
Published	10/22/2024	What is synchronous transmission?
Published	10/22/2024	How is synchronization maintained in synchronous transmission?
Published	10/22/2024	Why is synchronous transmission faster than asynchronous transmission?
Published	10/22/2024	What are the two main types of transmission media?
Published	10/22/2024	What is wired (guided) transmission media?
Published	10/22/2024	What is wireless (unguided) transmission media?
Published	10/22/2024	What does the physical layer in networking do?
Published	10/22/2024	What processes are involved in the physical layer?
Published	10/22/2024	What are the key operational properties of the physical layer?
Published	10/22/2024	What is bit-error rate (BER)?
New Card	10/22/2024	Which Type of Virtual Machine (Hypervisor) is this?
New Card	10/22/2024	What is Vertical Scaling?
New Card	10/22/2024	What is Horizontal Scaling?
New Card	10/22/2024	Which Type of Virtual Machine (Hypervisor) is this?
New Card	10/22/2024	What is the formula for calculating average number of failures (AFR)
New Card	10/22/2024	What is the equation for calculating the probability of a failure occuring before MTBF?
Status	Last Update	Fields