MCQs

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Which primary function does a Network Interface Controller serve in a cloud server?
a. Data encryption
b. Formatting files
c. Facilitating network connectivity
d. Executing application code
Answer: c. Facilitating network connectivitywatelectronics+2
In virtualized cloud environments, what does a virtual NIC enable?
a. Direct CPU access
b. Application debugging
c. Resource sharing for virtual machines
d. Hardware replacement
Answer: c. Resource sharing for virtual machinesuninets+1
What unique identifier is assigned to every NIC?
a. IP address
b. MAC address
c. DNS name
d. Domain ID
Answer: b. MAC addresstechtarget+2
Which protocol most commonly relies on NICs to frame and transmit data in cloud networks?
a. HTTP
b. DNS
c. Ethernet
d. SMTP
Answer: c. Ethernetjumpcloud+1
Which component in a NIC is responsible for buffering incoming and outgoing data?
a. Connector port
b. Processor/controller
c. Physical Layer
d. Memory
Answer: d. Memoryuninets
What advantage do SmartNICs provide in cloud data centers?
a. Increase cable length
b. Packet processing offloading from CPUs
c. Reduce physical security
d. Simplify wifi configuration
Answer: b. Packet processing offloading from CPUstechtarget
Which physical connector is most common for wired Ethernet NICs in cloud hardware?
a. HDMI
b. RJ-45
c. USB-C
d. VGA
Answer: b. RJ-45watelectronics+1
In cloud infrastructure, which network speed rating is least typical for NICs in high-end servers?
a. 10 Mbps
b. 1 Gbps
c. 10 Gbps
d. 40 Gbps
Answer: a. 10 Mbpstechtarget
What role does the NIC play in cloud security?
a. Stores firewall rules
b. Encrypts data transmissions and supports authentication
c. Compresses backup files
d. Installs antivirus
Answer: b. Encrypts data transmissions and supports authenticationuninets+1
Which protocol is used by NICs for authentications in secure environments?
a. FTP
b. Password Authentication Protocol
c. UDP
d. POP3
Answer: b. Password Authentication Protocoltechtarget
What mode can NICs operate in to capture all network traffic for monitoring?
a. Broadcast mode
b. Promiscuous mode
c. Filter mode
d. Passive mode
Answer: b. Promiscuous modejumpcloud+1
What function is performed by the NIC processor/controller?
a. Converts data signals
b. Measures device temperature
c. Runs OS updates
d. Tracks software licenses
Answer: a. Converts data signalsuninets
Which MAC address property ensures network uniqueness?
a. Changeable by user
b. Static and unique to hardware
c. Shared by all servers
d. Configured by ISP
Answer: b. Static and unique to hardwarewatelectronics+1
How is error detection handled by NICs?
a. Firewall screening
b. Cyclic redundancy check (CRC) algorithms
c. Wireless transmission
d. Biometric scanning
Answer: b. Cyclic redundancy check (CRC) algorithmsjumpcloud+1
What is the impact of interrupt support in NIC architecture?
a. Increases disk read speed
b. Notifies CPU efficiently about data arrival or completion
c. Stores backup files
d. Runs applications
Answer: b. Notifies CPU efficiently about data arrival or completionjumpcloud+1
In cloud infrastructure, NICs that use direct memory access (DMA) offer what benefit?
a. Schedules operating system updates
b. Access memory locations directly without CPU intervention
c. Encrypts all application data
d. Improves auditing speed
Answer: b. Access memory locations directly without CPU interventiontechtarget+1
What aspect of NICs directly affects cloud service performance?
a. Number of LEDs
b. Data transmission speed rating
c. Power supply voltage
d. External monitor connections
Answer: b. Data transmission speed ratinguninets+1
When assessing cloud network capacity, what traffic aspect is NOT typically considered?
a. Network traffic from the cloud to the NIC
b. Network traffic through ISP to local NIC
c. Network traffic at the application layer
d. Network traffic to/from the NIC at the server
Answer: c. Network traffic at the application layersanfoundry
Why are virtual NICs important in cloud virtual machines?
a. Enable local storage access
b. Provide network connectivity as if physical
c. Manage cloud billing
d. Identify cloud providers
Answer: b. Provide network connectivity as if physicalwatelectronics+1
What feature of NICs is most critical for high-availability cloud applications?
a. Color of connector
b. Reliability and redundancy in hardware interface
c. Preloaded user accounts
d. Desktop transparency
Answer: b. Reliability and redundancy in hardware interfacetechtarget+1
Which layer does the NIC operate at in the OSI reference model?
a. Application layer
b. Network layer
c. Physical layer
d. Presentation layer
Answer: c. Physical layeruninets+1
Which security risk is associated with physical NICs in cloud data centers?
a. Data interception through wire taps
b. OS update failures
c. Incomplete device drivers
d. Cloud billing errors
Answer: a. Data interception through wire tapswatelectronics+1
What type of NIC offers better portability in cloud environments?
a. Wired NIC
b. Wireless NIC
c. Firewire NIC
d. Modular NIC
Answer: b. Wireless NICwatelectronics+1
Which cloud-specific benefit do virtual NICs support?
a. Manual IP address assignment
b. Rapid provisioning and scaling of network interfaces
c. Direct hardware swapping
d. Installing device-specific OS
Answer: b. Rapid provisioning and scaling of network interfaceswatelectronics+1
What is a disadvantage of using wired NICs in cloud environments?
a. High cost
b. Lack of portability compared to wireless NICs
c. Inability to support VLANs
d. Only operates on Linux
Answer: b. Lack of portability compared to wireless NICsuninets+1
Which management approach do cloud platforms use for NIC configuration?
a. Manual cable changes
b. Software orchestration for allocation, bandwidth, and security
c. Installing physical cards on each VM
d. Direct user interaction
Answer: b. Software orchestration for allocation, bandwidth, and securityinterviewkickstart+1
How does NIC buffering improve cloud network performance?
a. Increases battery life
b. Manages data flow for smooth transmission
c. Enhances video streaming only
d. Compresses large files
Answer: b. Manages data flow for smooth transmissiontechtarget+1
In cloud data centers, NICs with multiple ports are used to:
a. Increase desktop space
b. Facilitate bandwidth aggregation and redundancy
c. Format hard drives
d. Serve HTTP requests directly
Answer: b. Facilitate bandwidth aggregation and redundancytechtarget+1
Which cloud storage protocol relies on NICs for native command conversion?
a. XAM
b. RIM
c. VIM
d. All of the above
Answer: c. VIMbyjus
What does a NIC do when an incoming frame is corrupted?
a. Passes to software for correction
b. Discards frame and relies on protocol for retransmission
c. Stores in backup
d. Erases MAC address
Answer: b. Discards frame and relies on protocol for retransmissionjumpcloud+1
Which capability allows NICs to authenticate cloud users?
a. Packet redirection
b. Password Authentication Protocol
c. RAID installation
d. BIOS control
Answer: b. Password Authentication Protocoltechtarget
SmartNICs differ from standard NICs by:
a. Having larger connectors
b. Offloading network and security tasks from CPU
c. Using more copper wires
d. Operating at lower speeds
Answer: b. Offloading network and security tasks from CPUtechtarget
For cloud-hosted web servers, why is a high-speed NIC essential?
a. It supports server cooling
b. It enables fast data transmission and reduces latency
c. It cleans malware
d. It runs backups
Answer: b. It enables fast data transmission and reduces latencyuninets+1
Which NIC function controls access to a cloud network segment?
a. Access control lists (ACLs)
b. DHCP setup
c. VLAN tagging
d. IPv6 tunneling
Answer: a. Access control lists (ACLs)interviewkickstart+1
Why is NIC compatibility with system bus type important in cloud servers?
a. Ensures correct network card installation and maximum bandwidth
b. Reduces bacterial growth
c. Generates random passwords
d. Runs third-party applications
Answer: a. Ensures correct network card installation and maximum bandwidthwatelectronics+1
Multiple virtual NICs assigned to a VM can help:
a. Segregate network traffic for multi-tenant security
b. Slow down internet
c. Reduce CPU power
d. Share antivirus
Answer: a. Segregate network traffic for multi-tenant securityuninets
In cloud networking, NIC driver software is updated to:
a. Add more ports physically
b. Maintain compatibility and security
c. Convert RAM to cache
d. Change MAC addresses automatically
Answer: b. Maintain compatibility and securityuninets+1
Which NIC type is preferred for cloud environments requiring mobility?
a. Wired NIC
b. Wireless NIC
c. Serial NIC
d. Optical NIC
Answer: b. Wireless NICwatelectronics+1
NICs can support which advanced cloud protocol for secured transmission?
a. SSL/TLS
b. SMTP
c. Telnet
d. RARP
Answer: a. SSL/TLStechtarget
The primary purpose of the NIC media access control (MAC) address is to:
a. Control operating system updates
b. Uniquely identify a device on the network
c. Encrypt storage media
d. Assign cloud billing
Answer: b. Uniquely identify a device on the networkuninets+1
Which hardware feature in a NIC improves cloud communication speed?
a. Higher bandwidth rating and low-latency controller
b. More colorful casing
c. Internal hard drive
d. Wireless adapter only
Answer: a. Higher bandwidth rating and low-latency controllertechtarget+1
Error detection in NICs is implemented using:
a. CRC (Cyclic Redundancy Check)
b. NAT routing
c. SSL certificate validation
d. URL filtering
Answer: a. CRC (Cyclic Redundancy Check)jumpcloud+1
What is one way cloud providers increase network performance with NICs?
a. Reduce cable shielding
b. Use multiple NICs per server for load balancing
c. Disable Ethernet
d. Assign duplicate MAC addresses
Answer: b. Use multiple NICs per server for load balancinguninets+1
Firmware upgrades on NICs in cloud hosts are important because:
a. Add more connectors
b. Remove built-in security
c. Fix vulnerabilities and improve compatibility
d. Slow down networking
Answer: c. Fix vulnerabilities and improve compatibilitytechtarget+1
Which NIC property is vital for cloud failover implementations?
a. Support for redundancy and rapid reconfiguration
b. Standard LED count
c. Pre-set user logins
d. Preinstalled antivirus
Answer: a. Support for redundancy and rapid reconfigurationuninets+1
Which network medium do most high-speed server NICs use?
a. Fiber optic cables
b. Serial cables
c. Coaxial
d. USB extension
Answer: a. Fiber optic cablestechtarget+1
Multi-port NICs are used in large cloud deployments mainly to:
a. Connect external monitors
b. Aggregate bandwidth and enable network redundancy
c. Backup external HDDs
d. Manage cloud billing
Answer: b. Aggregate bandwidth and enable network redundancyuninets+1
Which aspect of NICs enables secure end-to-end transmission in cloud architectures?
a. Support for encryption protocols
b. Built-in cloud OS
c. Voice recognition
d. Touch ID
Answer: a. Support for encryption protocolstechtarget
In cloud computing, what is a universal benefit of virtual NICs?
a. Allows quick migration and cloning of VM network configurations
b. Increases desktop wallpaper options
c. Installs games easily
d. Prevents device overheating
Answer: a. Allows quick migration and cloning of VM network configurationsuninets
The NIC controller’s role in cloud server hardware is to:
a. Perform OS updates
b. Manage the encoding and transmission of network data signals
c. Limit CPU voltage
d. Run virtual machines directly
Answer: b. Manage the encoding and transmission of network data signalswatelectronics+1

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