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Which network device’s CPU primarily handles packet forwarding and routing?
a. Router
b. Switch
c. Firewall
d. Load balancer
Answer: a. Routerobkio+1
Excessive CPU usage in servers during peak network traffic can result in which issue?
a. Reduced bandwidth
b. High latency
c. Disk failure
d. Increased throughput
Answer: b. High latencydesigngurus+1
What CPU hardware feature allows simultaneous processing of multiple network data streams?
a. Single-core processing
b. Multi-core architecture
c. BIOS caching
d. Serial execution
Answer: b. Multi-core architecturewikipedia+1
When a switch is overwhelmed by broadcast traffic, which CPU resource is stressed?
a. GPU
b. Application cache
c. Process scheduler
d. Control plane CPU
Answer: d. Control plane CPUcsgtechnologies+1
In network firewalls, high CPU consumption is commonly caused by:
a. Deep packet inspection
b. DHCP lease allocation
c. ARP requests
d. MAC filtering
Answer: a. Deep packet inspectionobkio+1
Which monitoring tool metric best detects CPU bottlenecks in network performance?
a. CPU temperature
b. CPU utilization percentages
c. RAM usage statistics
d. Network bandwidth charts
Answer: b. CPU utilization percentagesdesigngurus+1
Why does packet switching technology require CPU cycles in routers?
a. To allocate IP lease times
b. To execute routing algorithms
c. To display network maps
d. To detect viruses
Answer: b. To execute routing algorithmsyoutubel-p+1
What CPU function is used at kernel boot to prepare for network traffic?
a. Allocating packet buffers
b. Formatting storage disks
c. Loading browser cache
d. Assigning device labels
Answer: a. Allocating packet buffersgeeksforgeeks+1
Which CPU subsystem handles interrupts from network devices?
a. Arithmetic Logic Unit
b. SoftIRQ process
c. RAM controller
d. GPU accelerator
Answer: b. SoftIRQ processdev+1
High CPU utilization on a load balancer generally signals:
a. Memory leak
b. Overloaded traffic distribution
c. BIOS malfunction
d. Firmware update
Answer: b. Overloaded traffic distributioncsgtechnologies+1
In network security appliances, continuous malware scanning is most likely to cause:
a. Disk read errors
b. CPU spike events
c. Link speed degradation
d. User account lockout
Answer: b. CPU spike eventsobkio+1
When a network-attached storage (NAS) device is accessed by multiple users, the CPU usage often:
a. Drops to zero
b. Remains unaffected
c. Increases
d. Depends on disk size
Answer: c. Increasesobkio
What is the primary reason for CPU bottlenecks during distributed system computations?
a. Insufficient memory
b. Overloaded processor cores
c. Hardware failure
d. Network cable issues
Answer: b. Overloaded processor coresgeeksforgeeks+1
Which of the following techniques helps reduce CPU bottlenecks in network servers?
a. Upgrading graphics card
b. Optimizing application algorithms
c. Disabling antivirus software
d. Reducing RAM usage
Answer: b. Optimizing application algorithmsgeeksforgeeks+1
Using parallel processing for packet handling in network devices will:
a. Release CPU cores
b. Increase memory requirement
c. Distribute CPU load
d. Disable network ports
Answer: c. Distribute CPU loadcmu+2
What is the effect of cache thrashing in multi-core network CPUs?
a. Performance improves
b. Increased off-chip traffic
c. Reduced packet loss
d. Enhanced memory access
Answer: b. Increased off-chip trafficwikipedia+1
Which device relies on CPU cycles to process incoming wireless connections?
a. Wireless Access Point
b. Smart TV
c. USB hub
d. Barcode scanner
Answer: a. Wireless Access Pointobkio
Network performance monitoring tools measure CPU usage because:
a. CPU load directly affects packet processing speed
b. CPU usage tracks disk errors
c. CPU load controls network cable quality
d. CPU metrics set server BIOS options
Answer: a. CPU load directly affects packet processing speedcsgtechnologies+1
What type of congestion in network switches can spike CPU activity?
a. VLAN misconfiguration
b. DNS cache errors
c. Firmware rollback
d. Link layer address conflict
Answer: a. VLAN misconfigurationobkio
If a VoIP gateway’s CPU usage is consistently high, what is a probable cause?
a. Large volumes of calls
b. Excess RAM modules
c. Slow DNS queries
d. Static IP assignment
Answer: a. Large volumes of callsobkio
The process of kernel network stack optimization primarily aims to:
a. Reduce frequent interrupt context switches
b. Increase graphical rendering speed
c. Limit user logins
d. Update date/time records
Answer: a. Reduce frequent interrupt context switchesusenix+1
Which technique is most effective for diagnosing network-related CPU spikes?
a. Real-time CPU usage monitoring
b. Manual log entry
c. Hardware RAM testing
d. Recabling network switches
Answer: a. Real-time CPU usage monitoringdesigngurus+1
The CPU in network appliances may experience bottlenecks when:
a. Memory access speeds exceed CPU speeds
b. CPUs run at low frequencies
c. Packet inspection tasks intensify
d. Packet switching is disabled
Answer: c. Packet inspection tasks intensifygeeksforgeeks+1
In a virtualized network, which factor most influences VM CPU usage?
a. Resource contention
b. BIOS version
c. Network cable type
d. MAC address pool size
Answer: a. Resource contentionobkio
What is a recommended mitigation for CPU bottlenecks in high-traffic network servers?
a. Implement horizontal scaling
b. Remove disk drives
c. Reduce packet header size
d. Disable multicore processing
Answer: a. Implement horizontal scalingdesigngurus+1
When monitoring CPU load in network devices, a sudden spike usually suggests:
a. High concurrent traffic or complex tasks
b. Peripheral device failure
c. Router firmware updates
d. IP address exhaustion
Answer: a. High concurrent traffic or complex taskscsgtechnologies+1
CPU cache in a network device ensures:
a. Fast access to frequently processed data
b. Secondary storage backup
c. Time synchronization between networks
d. External device polling
Answer: a. Fast access to frequently processed datal-p+1
What is the main benefit of distributing network workload across multiple CPU cores?
a. Enhanced multitasking and throughput
b. Low device power usage
c. Reduced screen brightness
d. Disabled ASCII encoding
Answer: a. Enhanced multitasking and throughputcmu+1
Kernel network stack inefficiencies are amplified in containerized overlays because of:
a. Elevated interrupt rates
b. Reduced RAM
c. Excessive DNS queries
d. Disabled multicore support
Answer: a. Elevated interrupt ratesdev+1
Monitoring CPU usage on network monitoring appliances is critical for:
a. Supporting intensive real-time analysis
b. Automatic OS updates
c. Default firewall rule creation
d. Managing color display
Answer: a. Supporting intensive real-time analysisobkio
A spike in CPU usage in edge network devices typically occurs during:
a. Intense data transfer
b. Slow power cycling
c. USB device polling
d. IP fragmentation
Answer: a. Intense data transferobkio
Load balancers use CPU resources for:
a. Distributing network traffic across servers
b. Formatting local disk drives
c. Assigning IPv6 addresses
d. Generating user authentication codes
Answer: a. Distributing network traffic across serverscsgtechnologies+1
Which network device utilizes CPU for voice packet processing?
a. VoIP gateway
b. Modem
c. Patch panel
d. Power supply unit
Answer: a. VoIP gatewayobkio
Network switches suffer high CPU usage in which scenario?
a. Broadcast storms
b. Single user connection
c. Scheduled maintenance
d. BIOS activation
Answer: a. Broadcast stormscsgtechnologies+1
The CPU’s role in network data flow management includes:
a. Moving data between registers, cache, and memory
b. Assigning device passwords
c. Creating web server logs
d. Encrypting business files
Answer: a. Moving data between registers, cache, and memorygeeksforgeeks+1
Which CPU function directly manages hardware interrupts from NICs?
a. Interrupt Controller
b. BIOS Manager
c. GPU Processor
d. Boot Loader
Answer: a. Interrupt Controllerdev
Deep packet inspection on a firewall most likely increases:
a. CPU usage
b. RAM temperature
c. Cable wear
d. GPU render time
Answer: a. CPU usagecsgtechnologies+1
What practice helps monitor and address network CPU saturation?
a. Using resource allocation policies
b. Frequent logging out of users
c. Automatic power cycling
d. Network cable replacement
Answer: a. Using resource allocation policiescmu+1
Network appliances often show high CPU usage when:
a. Scanning for network intrusions
b. RAID configuration changes
c. BIOS upgrades
d. IP reservation
Answer: a. Scanning for network intrusionsobkio
Which feature allows a network CPU to respond to urgent hardware events?
a. Handling interrupts
b. Updating device drivers
c. Assigning MAC addresses
d. Loading browser cache
Answer: a. Handling interruptsgeeksforgeeks+1
CPU bottlenecks in networking can be mitigated by:
a. Upgrading to more cores or parallel processing
b. Disabling NIC interrupt requests
c. Reducing system RAM
d. Unplugging switches
Answer: a. Upgrading to more cores or parallel processingwikipedia+2
The role of DMA (Direct Memory Access) with respect to CPU in network stack:
a. DMA helps transfer packet data efficiently, reducing CPU burden
b. DMA controls BIOS updates
c. DMA formats hard drives
d. DMA sends emails automatically
Answer: a. DMA helps transfer packet data efficiently, reducing CPU burdendev
What is the primary reason for network latency during CPU congestion?
a. Delayed packet processing
b. Wireless interference
c. GPU overuse
d. Static routing
Answer: a. Delayed packet processingcsgtechnologies+1
Packet switching efficiency in networking is influenced by CPU performance because:
a. Routing decisions and table lookups require CPU cycles
b. Cable quality affects CPU load
c. RAM size sets switch speed
d. BIOS version determines protocol
Answer: a. Routing decisions and table lookups require CPU cyclesuobabylon+1
What system metric signals a CPU-related performance bottleneck in networking hardware?
a. High CPU utilization
b. Low drive speed
c. High screen brightness
d. Extensive BIOS logs
Answer: a. High CPU utilizationdesigngurus+1
Which technique is essential for reducing unnecessary CPU load during network operations?
a. Caching frequently used data
b. Disabling network ports
c. Limiting user passwords
d. Removing device drivers
Answer: a. Caching frequently used datal-p+2
Kernel network stack parallelization is most critical in:
a. Container-based network overlays
b. Legacy BIOS environments
c. Offline server rooms
d. Copper cable installations
Answer: a. Container-based network overlaysusenix+1
Multi-core CPU architecture in networking allows:
a. Simultaneous execution of packet processing tasks
b. Sequential database updates
c. Manual cable swapping
d. Restriction of ARP requests
Answer: a. Simultaneous execution of packet processing taskswikipedia+1
The CPU pipeline in network devices is designed to:
a. Increase instruction throughput
b. Limit display resolution
c. Format solid-state drives
d. Synchronize user clocks
Answer: a. Increase instruction throughputexamradar+1
A consistently high CPU load in a network server suggests:
a. Potential bottleneck due to processing demand
b. Improved connection speed
c. Lower device utilization
d. Reduced memory error rates
Answer: a. Potential bottleneck due to processing demandgeeksforgeeks+2

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