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  1. What does channel utilization measure in networking?
    a. The percentage of time a channel is occupied
    b. The total number of devices on a channel
    c. The data transfer rate of a channel
    d. The available bandwidth of a channel
    Answer: ainfo.huawei
  2. In Wi-Fi, what is typically considered a threshold for good user experience regarding channel utilization?
    a. Above 90%
    b. Below 60%
    c. Exactly 75%
    d. Above 80%
    Answer: binfo.huawei
  3. High channel utilization in Wi-Fi networks can result in which outcome?
    a. Increased throughput
    b. Network congestion
    c. Zero packet loss
    d. Improved latency
    Answer: binfo.huawei
  4. Channel utilization is calculated using which type of metric?
    a. Data rate to throughput ratio
    b. Channel busy time divided by measurement period
    c. Signal-to-noise ratio
    d. Packet error rate
    Answer: binfo.huawei
  5. Which of the following is not included in the calculation of Wi-Fi channel utilization?
    a. Transmit time
    b. Receive time
    c. Busy time
    d. Device MAC address
    Answer: dplasma-cloud
  6. What does a 100% channel utilization indicate?
    a. Channel is optimally used
    b. Channel is fully congested
    c. Minimum interference
    d. No traffic detected
    Answer: breddit
  7. If the channel utilization is too low, what can it signify for resource usage?
    a. Efficient resource usage
    b. Underutilized network resources
    c. Maximum congestion
    d. Overloaded AP
    Answer: binfo.huawei
  8. Which protocol is mentioned as impacting channel utilization by causing back-off on collision?
    a. TCP/IP
    b. CSMA/CA
    c. ARP
    d. DHCP
    Answer: breddit
  9. What metric expresses the ratio of actual data throughput to channel capacity?
    a. Channel Mixing
    b. Channel Utilization
    c. Channel Spreading
    d. Channel Allocation
    Answer: binet.omnetpp
  10. In IEEE 802.11 Wi-Fi, the busy channel time also counts time from which type of signals?
    a. Valid user data signals only
    b. Interference signals
    c. Beacon frames only
    d. Probe requests only
    Answer: binfo.huawei
  11. What network device usually measures channel utilization in WLANs?
    a. Client devices
    b. Switches
    c. Access Points
    d. Firewalls
    Answer: cinfo.huawei
  12. Poor channel planning typically results in what change to channel utilization?
    a. Decreases channel utilization
    b. Has no effect
    c. Increases channel utilization
    d. Stabilizes throughput
    Answer: cyoutube
  13. If multiple neighboring APs use the same channel, what occurs?
    a. Co-channel interference
    b. Increased throughput
    c. Better coverage
    d. Lower utilization
    Answer: ayoutube
  14. What value does channel utilization range between?
    a. 1-100
    b. 0-1
    c. 0-255
    d. 1-10
    Answer: binet.omnetpp
  15. Beacons sent by APs impact which networking metric?
    a. Channel utilization
    b. Network latency
    c. Signal-to-noise ratio
    d. Packet error rate
    Answer: ayoutube
  16. What type of network design aims to keep channel utilization at optimal levels?
    a. Static channel planning
    b. Dynamic channel planning
    c. Manual interference planning
    d. Fixed IP address assignment
    Answer: bekahau
  17. Which assignment strategy allows borrowing channels from neighboring cells?
    a. Fixed channel assignment
    b. Dynamic channel assignment
    c. Borrowing strategy
    d. Static assignment
    Answer: csanfoundry+1
  18. In dynamic channel assignment, who allocates the channel to a cell?
    a. The base station itself
    b. The client device
    c. The Mobile Switching Center (MSC)
    d. Neighboring AP
    Answer: csanfoundry
  19. What is the drawback of dynamic channel assignment?
    a. Decreased channel utilization
    b. Increased probability of blocked calls
    c. Increased computational load
    d. Lower overall throughput
    Answer: cscribd+1
  20. Which network environment is more susceptible to high channel utilization issues?
    a. Rural
    b. Dense urban deployments
    c. Satellite
    d. Point-to-point
    Answer: byoutube
  21. Which factor most influences channel utilization in Wi-Fi environments?
    a. SSID selection
    b. Channel width
    c. MAC address filtering
    d. DHCP server settings
    Answer: byoutube
  22. What effect does increasing the number of Wi-Fi clients on the same channel have?
    a. More efficient data transfer
    b. Higher chance of collisions
    c. Lower latency
    d. Stronger signal strength
    Answer: breddit
  23. Channel utilization can be used to monitor what kind of network performance?
    a. Only wired networks
    b. Both wired and wireless networks
    c. Only satellite links
    d. Only cloud networks
    Answer: binet.omnetpp
  24. Channel utilization statistic is typically observed over which period?
    a. Last 0.1 seconds or last 100 packets
    b. Last 10 minutes only
    c. Only during system boot
    d. Only during AP initialization
    Answer: ainet.omnetpp
  25. Increasing channel utilization beyond 80% often leads to what impact?
    a. Smooth performance
    b. Network queuing and delay
    c. Improved SNR
    d. Increased storage speed
    Answer: binfo.huawei
  26. Which of the following is used to approximate throughput in channel utilization measurements?
    a. Source packet length
    b. IO local port number
    c. Channel transmission interval
    d. Network protocol version
    Answer: cinet.omnetpp
  27. On an Ethernet network, which interface property directly impacts channel utilization?
    a. Bitrate
    b. MAC address
    c. DNS server
    d. Firmware version
    Answer: ainet.omnetpp
  28. Which of the following does NOT directly affect channel utilization?
    a. Channel width
    b. Number of clients
    c. DHCP scope
    d. Co-channel interference
    Answer: cyoutubeinfo.huawei
  29. Which protocol uses listen-before-transmit mechanism, affecting channel utilization?
    a. CSMA/CD
    b. ARP
    c. IPsec
    d. SNMP
    Answer: ayoutube
  30. In wireless networks, what is a main contributor to increasing channel utilization besides user data?
    a. Probe requests
    b. VLAN tagging
    c. MAC filtering
    d. Burst transmission
    Answer: ayoutube
  31. Which type of multiplexing affects channel utilization?
    a. TDM (Time Division Multiplexing)
    b. FDM (Frequency Division Multiplexing)
    c. CDM (Code Division Multiplexing)
    d. All of the above
    Answer: dexamradar+1
  32. An overloaded access point will show which channel utilization value range?
    a. 0-10%
    b. 10-30%
    c. 60-100%
    d. 40-60%
    Answer: cplasma-cloud+1
  33. Channel utilization can help diagnose which wireless problem?
    a. Hardware compatibility issues
    b. Interference and congestion
    c. Outdated firmware
    d. Broken cables
    Answer: byoutubecisco+1
  34. In which frequency band is it often harder to find an unused channel?
    a. 2.4 GHz
    b. 5 GHz
    c. 60 GHz
    d. 1.8 GHz
    Answer: ayoutube
  35. Which elements are typically displayed in a channel utilization trend chart?
    a. Percentage utilization over time
    b. Number of DHCP leases
    c. Authentication logs
    d. Device firmware version
    Answer: aarubanetworking.hpe
  36. Channel utilization is most critical for which type of applications?
    a. Latency-sensitive applications
    b. Bulk backup
    c. Offline storage
    d. Archived files
    Answer: ainfo.huawei
  37. An increase in which measurement directly raises channel utilization?
    a. Idle time
    b. Busy time
    c. Packet error rate
    d. ACK time
    Answer: bplasma-cloud
  38. Channel utilization is used by network engineers to do what?
    a. Monitor overall network health
    b. Plan resource allocation
    c. Troubleshoot congestion
    d. All of the above
    Answer: dcisco+1youtube
  39. Channel utilization is not a “higher-is-better” metric because:
    a. It must be minimized for good user experience
    b. High utilization can cause latency and network congestion
    c. It is always optimal above 90%
    d. It reflects only idle time
    Answer: binfo.huawei
  40. During periods of network contention, channel utilization often shows:
    a. Rapid spikes
    b. Consistent flat lines
    c. No change from baseline
    d. Decreased throughput
    Answer: aarubanetworking.hpe
  41. For proper channel utilization analysis, which simulator tool is useful?
    a. INET with OMNeT++
    b. Wireshark only
    c. iperf3 only
    d. VMware
    Answer: ainet.omnetpp
  42. In wireless simulation, the measured utilization expresses usage for:
    a. All network devices combined
    b. Each pair of interfaces separately
    c. Routers only
    d. Internet backbone
    Answer: binet.omnetpp
  43. Channel utilization below 60% typically results in:
    a. Good user experience
    b. Severe congestion
    c. High packet loss
    d. Inefficient spectrum usage
    Answer: ainfo.huawei
  44. Which kind of network can experience channel utilization bottlenecks due to beacon frames?
    a. Wi-Fi networks
    b. Wired Ethernet networks
    c. Optical fiber networks
    d. MPLS backbone networks
    Answer: ayoutube+1
  45. Dynamic adjustment of channel width is intended to:
    a. Optimize channel utilization
    b. Increase interference
    c. Allow static allocation
    d. Reduce security risks
    Answer: aekahau
  46. Channel utilization impacts which of the following most directly?
    a. Throughput and latency
    b. Routing table size
    c. Firewall rules
    d. Encryption method
    Answer: asciencedirect+1
  47. In a given measurement, how is utilization expressed numerically?
    a. As a fraction or percentage
    b. As an access point count
    c. As a MAC address range
    d. As bandwidth in MB/s
    Answer: aplasma-cloud+1
  48. Which situation can artificially inflate channel utilization values?
    a. Environmental interference
    b. Device firmware update
    c. VLAN hopping
    d. Network address translation
    Answer: aplasma-cloud+1
  49. What is a best practice for maintaining optimal channel utilization?
    a. Regularly scan for congested channels
    b. Decrease AP transmit power
    c. Disable dynamic frequency selection
    d. Use only static IP addresses
    Answer: aekahauyoutube
  50. In channel utilization reporting, which of the following are primary factors included?
    a. Transmit, receive, busy, and idle time
    b. VLAN ID, channel number, device name
    c. Route metric, firmware version, log files
    d. Authentication, encryption, power level
    Answer: aplasma-cloud+1

 

  1. https://info.support.huawei.com/info-finder/encyclopedia/en/Channel+Utilization.html
  2. https://support.plasma-cloud.com/hc/en-us/articles/12710618586141-Channel-Utilization
  3. https://www.reddit.com/r/networking/comments/axtk1b/understanding_channel_utilization/
  4. https://inet.omnetpp.org/docs/showcases/measurement/utilization/doc/index.html
  5. https://www.youtube.com/watch?v=x3xqGNVII08
  6. https://www.ekahau.com/blog/channel-planning-best-practices-for-better-wi-fi/
  7. https://www.sanfoundry.com/wireless-mobile-communications-questions-answers-channel-assignment-strategies/
  8. https://www.sciencedirect.com/topics/computer-science/channel-utilization
  9. https://www.scribd.com/document/504518023/EC6801-unit-2-MCQ
  10. https://www.youtube.com/watch?v=vLgY4uxhqJI
  11. https://examradar.com/bandwidth-utilization-multiplexing-and-spreading-mcq-data-communication-and-networking/
  12. https://www.scribd.com/document/454690202/CH-6-Bandwidth-Utilization-Multiplexing-and-Spreading-Multiple-Choice-Questions-and-answers-MCQ-PDF-Data-communication-and-networking-pdf
  13. https://www.youtube.com/watch?v=FQYD5UAs654
  14. https://community.cisco.com/t5/wireless/channel-utilization/td-p/2716667
  15. https://arubanetworking.hpe.com/techdocs/Archived/AOS-8/ArubaOS_85_Web_Help/Content/arubaos-solutions/spectrum-analysis/chan-util-tren.htm
  16. https://www.sciencedirect.com/topics/computer-science/network-utilization
  17. https://testbook.com/question-answer/maximum-channel-utilization-in-case-of-pure-aloha–5fc20c3b1d0bae815c873157
  18. https://www.sanfoundry.com/computer-networks-mcqs-multiplexing/
  19. https://testbook.com/objective-questions/mcq-on-flow-control–5eea6a0939140f30f369d910
  20. https://www.youtube.com/watch?v=peyV_almEl0

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