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What does a single-channel architecture (SCA) in cloud wireless networking utilize?
a. Multiple frequency bands
b. Only one RF channel and BSSID
c. Spread spectrum transmission
d. Multiple controllers
Answer: bcontroleng
What is a common use case for single-channel architecture in cloud computing environments?
a. Simple file storage
b. Latency sensitive applications like voice/video
c. High-compute batch processing
d. Cold storage archiving
Answer: bcontroleng
In SCA, who manages the roaming process for clients?
a. The client device itself
b. The edge router
c. The central WLAN controller
d. The main internet gateway
Answer: ccontroleng
What is a significant advantage of SCA over multi-channel architectures?
a. Unlimited bandwidth
b. No need for wireless networking
c. Reduced latency during roaming
d. Lower equipment costs
Answer: ccontroleng
A primary downside of SCA in cloud computing is:
a. Co-channel interference is common
b. Single point of failure at the controller
c. Higher data transfer speeds
d. Reduced latency
Answer: bcontroleng
Which of the following best describes a situation where SCA is not suitable?
a. Mission-critical process control
b. Small office Wi-Fi
c. Non-essential guest internet access
d. Cloud-native storage provisioning
Answer: acontroleng
What does BSSID stand for in single-channel architectures?
a. Broadband Service Set Identifier
b. Basic Service Set Identifier
c. Binary Session Service Identifier
d. Bit Synchronized Set ID
Answer: bcontroleng
What happens if the central WLAN controller fails in an SCA deployment?
a. Only one AP disconnects
b. The entire SCA network goes down
c. Users experience faster roaming
d. Backup controllers continue operation
Answer: bcontroleng
Which wireless protocol’s default channel access (CSMA/CA) is not designed for SCA?
a. Ethernet
b. Wi-Fi (IEEE 802.11)
c. Bluetooth
d. Zigbee
Answer: bextremenetworks
The main design goal of Single-Channel Architecture is to:
a. Eliminate RF spectrum usage
b. Simplify channel management and roaming
c. Increase the cost of AP infrastructure
d. Improve mobile carrier billing
Answer: bcontroleng
Which of the following networks is most likely to suffer from co-channel interference?
a. SCA
b. MCA (Multi-Channel Architecture)
c. Both equally
d. Neither
Answer: bextremenetworks
In cloud environments, SCA can provide benefits for:
a. Voice-over-IP (VoIP) traffic
b. DNSSEC lookups
c. GPU-accelerated computing
d. Large-scale cold storage
Answer: acontroleng
Which topology is associated with multi-channel architectures, but not SCA?
a. Mesh topology
b. Star topology
c. Hub-and-spoke
d. Direct attached
Answer: acontroleng
What kind of application would likely NOT benefit from SCA?
a. Delay-tolerant file transfers
b. Voice calling
c. Real-time gaming
d. Video conferencing
Answer: acontroleng
What is a direct impact of SCA on client device mobility?
a. Increased disconnects
b. Seamless roaming
c. Requirement to re-authenticate at every AP
d. No effect
Answer: bcontroleng
SCA centralizes management on:
a. Every AP independently
b. Distributed edge gateways
c. A unified WLAN controller
d. The client
Answer: ccontroleng
What is a potential security consideration in SCA networks?
a. Difficulty enforcing unified firewall policies
b. All network traffic funneled through one controller
c. Reduced authentication strength
d. Random BSSID assignment
Answer: bcontroleng
SCA is less scalable than MCA primarily due to:
a. Frequency reuse limits
b. Controller capacity and single channel bandwidth
c. Lack of controller monitoring
d. Redundant hardware requirements
Answer: bextremenetworks+1
An advantage of SCA for IT operations is:
a. More AP configurations required
b. Unified channel reduces manual tuning
c. Direct AP-to-AP bridging
d. Expensive network hardware
Answer: bcontroleng
Which is NOT a feature of Single-Channel Architecture?
a. All APs operate on the same channel
b. Seamless client handoff
c. Multiple BSSIDs per AP
d. Central controller management
Answer: cextremenetworks+1
Which type of cloud deployment is most likely to use SCA for its internal Wi-Fi?
a. Public cloud datacenters
b. Private enterprise environments with high mobility needs
c. Cloud backup storage nodes
d. Edge cloud microservices
Answer: bcontroleng
In SCA, the same channel is used for:
a. Differentiating APs
b. All APs in the environment
c. Only backup APs
d. Isolated network segments
Answer: bextremenetworks+1
Roaming in SCA networks is managed without:
a. The client device being aware
b. Need for RF spectrum
c. Physical hardware
d. Any central algorithm
Answer: acontroleng
The SCA approach is less suitable for:
a. Small environments
b. Mission-critical, high-availability public wireless networks
c. Office floor roaming support
d. Midsized enterprise wireless
Answer: bdigitalocean+1
One major risk in single-channel deployments:
a. APs can be overloaded with too many channels
b. A single controller outage can bring down the whole network
c. Multiple controllers share load automatically
d. Native SCA networks have built-in redundancy
Answer: bcontroleng
A core design aspect of single-channel that benefits IT troubleshooting is:
a. Uniform channel for all APs
b. Automatic channel hopping
c. Distributed configuration databases
d. In-band interference analytics
Answer: acontroleng
In a comparison of SCA and MCA, which is generally more complex for configuration and monitoring?
a. SCA
b. MCA
c. Both are identical
d. Not applicable
Answer: bextremenetworks+1
How does SCA help with seamless wireless handoffs?
a. By using advanced encryption
b. Clients always stay associated with one BSSID
c. Broadcasting multiple SSIDs
d. Automatically increasing transmission power
Answer: bcontroleng
SCA is ideal for environments where what is critical?
a. Channel diversity
b. Seamless, low-latency handoff
c. Maximum bandwidth per client
d. Isolated network segments
Answer: bcontroleng
A main technical limitation of SCA is:
a. Limited by single channel’s total bandwidth
b. Unable to encrypt traffic
c. Excess of broadcast domains
d. Poor signal penetration
Answer: aextremenetworks+1
What is required to scale SCA networks for increased client density?
a. Add more frequency channels
b. Upgrade controller and careful AP placement
c. Enable auto channel selection
d. Use dual-band radios
Answer: bcontroleng
Why is SCA not widely deployed in large public venues?
a. High costs and single point of failure
b. Seamless handoff drawbacks
c. Requires high client skill level
d. Incompatibility with enterprise standards
Answer: acontroleng
The central controller in SCA is responsible for:
a. Assigning separate channels to every AP
b. Controlling AP operation and handoffs
c. Managing cloud storage encryption
d. Providing public IP addresses
Answer: bextremenetworks+1
In SCA, co-channel interference between APs is generally:
a. Common
b. Eliminated due to single channel management
c. Not addressed at all
d. Caused by dual-band operation
Answer: bextremenetworks+1
In terms of operational simplicity, SCA most affects:
a. Channel planning tasks
b. Encryption management
c. Licensing agreements
d. Government compliance
Answer: aextremenetworks+1
Which of these is an example drawback of SCA for cloud datacenter wireless?
a. Simplified network segmentation
b. Reduces the potential bandwidth ceiling
c. Distributed authentication ease
d. Minimal roaming delays
Answer: bextremenetworks+1
If a device roams from one end of an SCA-based area to the other, it:
a. Must change channels repeatedly
b. Stays on the same channel managed by the controller
c. Loses connectivity mid-roam
d. Experiences network isolation
Answer: bextremenetworks+1
In which cloud deployment model is SCA most likely inferior to Multi-Channel Architecture?
a. Single-tenant SaaS portal
b. Large, high-density multi-tenant IaaS datacenter
c. Campus research lab
d. Centralized management office
Answer: bextremenetworks+1
The SCA method is best aligned with organizations prioritizing:
a. Maximum throughput for each user
b. Seamless mobility and simplified management
c. Minimizing hardware costs
d. Isolated wireless silos per floor
Answer: bcontroleng
When is a multi-channel strategy preferred over single-channel in cloud networking?
a. When high scalability and fault tolerance are required
b. Environments with low mobility
c. Single-application Wi-Fi needs
d. Regulatory requirements for single BSSID
Answer: aamnic+3
The main reason SCA is not common in mission-critical process control is:
a. It doesn’t support WPA3
b. Single point of network failure at the controller
c. Excessive co-channel interference
d. Complexity of device roaming
Answer: bdigitalocean+1
What type of roaming occurs in SCA?
a. Device manages handoff between APs
b. APs broadcast roaming requests
c. Roaming is invisible to the device, controller handles it
d. Clients authenticate on every move
Answer: ccontroleng
SCA is most effective in which scenario?
a. Highly mobile office with frequent wireless handoffs
b. Static, low-mobility desktop environment
c. Wireless mesh for rural broadband
d. Field-deployed cellular networks
Answer: aextremenetworks+1
The total system bandwidth in SCA is defined by:
a. Aggregate bandwidth of all channels
b. Bandwidth of the single channel in use
c. Number of APs in deployment
d. Bandwidth divided by number of controllers
Answer: btestbook+1
Which feature of MCA does SCA NOT typically support?
a. Channel selection to reduce interference
b. Seamless mobility between APs
c. Centralized controller management
d. Uniform BSSID for the network
Answer: aextremenetworks
In terms of backup, single-channel controller failure is best addressed by:
a. Redundant controllers with failover
b. Increasing AP count
c. Adding more channels
d. Using distributed mesh management
Answer: acontroleng
What is a fundamental principle of SCA related to RF channels?
a. Assigns every AP a unique channel
b. All APs share a single RF channel
c. Uses frequency hopping per client
d. Operates only on 5GHz spectrum
Answer: bextremenetworks+1
What is a usual approach to increase fault tolerance in SCA?
a. Deploy additional channels
b. Implement controller redundancy
c. Isolate APs by VLANs
d. Assign clients to secondary SSIDs
Answer: bcontroleng
What happens to latency for roaming devices in SCA compared to MCA?
a. Increased due to frequent handoffs
b. Reduced due to controller-managed seamless roaming
c. Unchanged between architectures
d. Only affected by AP count
Answer: bextremenetworks+1
For a cloud provider planning high-density user scenarios, SCA limitations include:
a. No support for layer 3 networking
b. Bandwidth limitation of single channel and controller dependency
c. Inability to encrypt traffic end to end
d. Requirement for device-based roaming
Answer: bdigitalocean+2

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