2026 Updated Verified 800-150 Downloadable Printable Exam Dumps
The Ultimate Cisco 800-150 Dumps PDF Review
Cisco 800-150 Exam Syllabus Topics:
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NEW QUESTION # 27
Which command is used to determine if there is sufficient space in the memory of a device before installing a new Cisco IOS image?
- A. show flash:
- B. show storage
- C. show memory
- D. show file-system
Answer: A
Explanation:
Theshow flash:command is used todisplay the contents of the device's flash memory, which is where the Cisco IOS image is typically stored. By issuing this command, a technician can verify available space and determine whether there is enough capacity to accommodate a new IOS image before initiating an upgrade or image replacement process.
This command provides a detailed listing of files, their sizes, and the total and available memory space within the flash file system.
* show file-systemlists all available file systems but doesn't detail their content.
* show memoryshows runtime memory usage (RAM), not flash memory.
* show storageis not a standard IOS command.
Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Cisco IOS Software Basics
NEW QUESTION # 28
Which two results are achieved by briefly pressing the restore/reset button on a Cisco Meraki switch? (Choose two.)
- A. The management interface is cleared.
- B. The downloaded configuration is deleted.
- C. The device reboots.
- D. Cloud management is disabled.
- E. A full factory restore is performed.
Answer: A,C
Explanation:
On a Cisco Meraki switch, briefly pressing the restore/reset button (typically less than 5 seconds) triggers:
A reboot of the device (Option A)
Clearing of the local management interface settings (Option D), which may include temporary network information such as DHCP leases or local overrides.
To perform a full factory reset (Option B), the button must be held down for a longer duration, usually more than 10 seconds. Options C and E do not reflect standard reset behavior.
NEW QUESTION # 29
Which command is used to copy the startup configuration of a device to a USB file system when transferring files to a Cisco device?
- A. Router# copy startup-config tftp://[server_ip]/[destination_file]
- B. Router# copy usbflash0:[filename] startup-config
- C. Router# copy startup-config usbflash0:[filename]
- D. Router# copy running-config usbflash0:[filename]
Answer: C
Explanation:
To back up the startup configuration of a Cisco device to a USB drive, the commandcopy startup-config usbflash0:[filename]is used. This command copies the contents of the startup configuration file stored in NVRAM to a specified file on the USB flash drive. This is particularly useful for creating backups before performing upgrades or replacements.Option A:Copies the startup configuration to a TFTP server, not a USB drive.
* Option B:Attempts to copy from the USB drive to the startup configuration, which is the reverse of the desired operation.
* Option D:Copies the running configuration, not the startup configuration, to the USB drive.
Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Maintenance and RMA Procedures
NEW QUESTION # 30
Which term describes the physical range of radio frequency coverage provided by an access point in a wireless topology?
- A. Wireless LAN (WLAN)
- B. Basic Service Area (BSA)
- C. Wireless LAN Controller (WLC)
- D. Service Set Identifier (SSID)
Answer: B
Explanation:
In wireless networking, the Basic Service Area (BSA) refers to the physical area of radio frequency coverage provided by an access point (AP) in a Basic Service Set (BSS). The BSA defines the coverage area where wireless clients can connect to the network through the AP. The size and shape of a BSA depend on various factors, including the AP's transmit power, antenna type, and physical environment.
Option A, the Service Set Identifier (SSID), is the network name broadcast by the AP. Option C, Wireless LAN (WLAN), refers to the overall wireless network. Option D, Wireless LAN Controller (WLC), is a device that manages multiple APs in a network.
NEW QUESTION # 31
What must be considered when installing a new fan module in a fixed-configuration Cisco Nexus switch?
- A. The airflow direction must be consistent with other installed modules.
- B. The size of the fan module must match the power supply.
- C. Fan modules can be installed only when the switch is powered off
- D. The fan module must be from the same manufacturing batch as the others.
Answer: A
Explanation:
When installing a fan module in a Cisco Nexus fixed-configuration switch, it's crucial to ensure that the airflowdirection of the new fan matches the existing airflow configuration. Mismatched airflow directions can lead to inefficient cooling or even overheating of components, potentially affecting the performance or lifespan of the switch.
Cisco offers fan modules infront-to-backorback-to-frontairflow variants, and consistency is required for proper thermal management. These modules are also typically hot-swappable, meaning powering down the switch is not necessary.
Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Maintenance and RMA Procedures
NEW QUESTION # 32
Which step must be performed immediately after disconnecting the network cable when replacing an SFP transceiver module?
- A. Disconnect the SFP latch.
- B. Observe the port status LED.
- C. Reinstall dust plugs in the optical bores.
- D. Install the replacement SFP module.
Answer: C
Explanation:
After disconnecting the network cable from an SFP transceiver, theimmediate next step is to reinstall the dust plugsinto the optical bores. This action prevents contamination from dust or debris that can damage the optical interfaces or degrade performance.
It's important to protect the exposed optical port before handling the rest of the transceiver module. Dust plugs help maintain the integrity of the component until a new cable or module is connected.
Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Maintenance and RMA Procedures
NEW QUESTION # 33
What are the steps to mount a Cisco device in a rack?
- A. Mount in rack.
Install mounting brackets.
Ground the device. - B. Ground the device.
Install mounting brackets.
Mount in rack. - C. Install mounting brackets.
Mount in rack.
Ground the device. - D. Install mounting brackets.
Ground the device.
Mount in rack.
Answer: C
Explanation:
The correct sequence for mounting a Cisco device in a rack is:
* Install mounting brackets: Attach the appropriate rack-mount brackets to the sides of the device using the screws provided. This step prepares the device for secure installation in the rack.
* Mount in rack: Carefully place the device into the rack, aligning the brackets with the rack posts, and secure it using the appropriate rack-mount screws.
* Ground the device: After the device is securely mounted, connect the grounding wire to the chassis grounding point and then to the facility ground. This step ensures safety and compliance with electrical standards.
This sequence is recommended to ensure both the physical security of the device and the safety of personnel during installation.
Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Cisco Equipment and Related Hardware
NEW QUESTION # 34
What is the primary purpose of changing the configuration register when performing password recovery?
- A. To erase the entire configuration
- B. To ignore the startup configuration
- C. To unlock all user accounts
- D. To enable advanced debugging features
Answer: B
Explanation:
During password recovery on Cisco devices, the configuration register is modified to instruct the device to bypass the startup configuration stored in NVRAM. This allows administrators to access the device without being prompted for existing passwords. The standard procedure involves changing the configuration register value to 0x2142, which tells the device to ignore the startup configuration during the next boot. Once access is gained, the administrator can reset passwords and then restore the original configuration by resetting the configuration register to its default value, typically 0x2102.
NEW QUESTION # 35
What is a feature of Cisco Meraki switches that simplifies the replacement process?
- A. Offline configuration backup
- B. Cloud-based management
- C. Built-in configuration wizard
- D. Automatic hardware detection
Answer: B
Explanation:
Cloud-based management is a core feature of Cisco Meraki switches and significantly simplifies the device replacement process. When a failed switch is replaced:
The new hardware can be claimed in the Meraki dashboard.
The previously assigned configuration is automatically applied to the replacement device.
This eliminates the need for local reconfiguration and ensures continuity with minimal manual effort.
This centralized approach ensures that configurations are stored securely and consistently applied across devices.
NEW QUESTION # 36
Which operating system powers the Cisco Nexus series of switches and is optimized for modern data center deployments?
- A. IOS XR
- B. NX-OS
- C. IOS XE
- D. IOS
Answer: B
Explanation:
Cisco NX-OS is the operating system specifically developed for Cisco Nexus series switches, which are widely used in modern data centers. NX-OS is optimized for scalability, high availability, and virtualization features.
It differs from IOS and IOS XE (used in traditional routers and switches) and IOS XR (used in carrier-grade platforms). NX-OS includes advanced features such as Virtual Port Channels (vPC), FabricPath, and integrated Layer 2/3 capabilities tailored for data center networks.
NEW QUESTION # 37
Which pod-based deployment model provides the most flexibility and scalability in a modern data center topology?
- A. Spine-and-Leaf
- B. End of Row (EoR)
- C. Fabric Extender model
- D. Top of Rack (ToR)
Answer: A
Explanation:
TheSpine-and-Leafarchitecture is the preferredpod-based deployment modelin modern data centers because of itshigh scalability and flexibility. In this topology:
* Leaf switchesconnect to servers and act as the access layer.
* Spine switchesfunction as the core layer, interconnecting all leaf switches.
This non-blocking, highly redundant model supportspredictable latency, easy horizontal scaling, and load balancing, making it ideal for cloud-scale and virtualized environments.
* Top of Rack (ToR)andEnd of Row (EoR)are physical cabling layouts that do not inherently provide the same level of architectural scalability.
* Fabric Extender modelsextend switch ports but depend on upstream switches for intelligence, limiting flexibility.
Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Cisco Equipment and Related Hardware
NEW QUESTION # 38
A technician must quickly identify multiple Cisco switches in a rack without powering them on. Where should the technician look for serial numbers on the device?
- A. Front panel near the status LEDs
- B. Rear panel near the power supplies
- C. Top surface of each switch
- D. Bottom surface of each switch
Answer: B
Explanation:
The serial number for Cisco switches is typically found on a label located on the rear panel near the power supplies. This positioning allows technicians to quickly access identification information even when the device is not powered on.
This label is essential for inventory tracking, RMA procedures, and registration for support. Serial numbers are not typically placed on the top or bottom surfaces for devices mounted in a rack, as those areas are less accessible.
NEW QUESTION # 39
What is the purpose of the packages.conf file in Install mode on Cisco IOS XE Software supported switches?
- A. It is used to extract the bin file during the installation process.
- B. It is a subdirectory in flash memory where individual software packages are stored.
- C. It contains the entire bundled software image in a single file.
- D. It determines which software packages need to be loaded and in what order during boot up.
Answer: D
Explanation:
InInstall mode, thepackages.conffile plays a crucial role in the boot process of Cisco IOS XE Software. It specifies the list of software packages to be loaded and the sequence in which they should be initialized during system startup. This file ensures that all necessary components are correctly loaded, providing a modular and flexible approach to software management.
Contrary to the other options:
* Thepackages.conffile does not extract the bin file; it references already extracted packages.
* It does not contain the entire bundled image; that's characteristic of Bundle mode.
* While it resides in the flash memory, it is not a subdirectory but a configuration file.
Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Cisco IOS Software Basics
NEW QUESTION # 40
Drag and drop the Cisco UCS components from the left onto the corresponding functionalities on the right.
Answer:
Explanation:
NEW QUESTION # 41
What is the first action that must be taken before removing a standby supervisor module from a Cisco MDS
9700 Series Switch?
- A. Put themodule into out-of-service mode.
- B. Perform a manual failover to the standby supervisor.
- C. Disconnect all network interface cables.
- D. Shut down the entire switch.
Answer: A
Explanation:
In theFLDTEC course, the process for removing or replacing asupervisor module- especially thestandby supervisor- in a modular switch like theCisco MDS 9700is clearly outlined. Cisco documentation states:
"Before removing a standby supervisor module, it must first be placed into out-of-service mode using the CLI command system no supervisor <slot-number> or via the appropriate management interface." This action ensures the systemacknowledges the supervisor is no longer participating in redundancy, allowing a safe and controlled removal without impacting system operations.
Why not the other options?
* A. Shut down the entire switch# Not required; MDS switches are built for high availability and allow hot-swap operations.
* C. Disconnect all network interface cables# This applies to line cards or interfaces, not to supervisor removal specifically.
* D. Perform a manual failover# Failover is requiredwhen removing the active supervisor, not the standby one.
NEW QUESTION # 42 
Refer to the exhibit. Which component is highlighted on the Cisco I/O module image?
- A. fan module LED
- B. fixed port
- C. captive screw
- D. chassis connections LED
Answer: D
Explanation:
The highlighted component on the Cisco I/O module is the chassisconnections LED, which indicates the status of connectivity between the I/O module and the chassis.
In the exhibit, the orange arrow points to asmall rectangular LED indicatorlocated to the left side of the I/O module (Cisco UCS-IOM-2304). This specific LED isnot aligned with the ports, fans, or screws, which helps identify it correctly.
Chassis connections LED (B)is responsible for indicating thestatus of uplink/downlink communication between the I/O module and the chassis.
* Greenusually indicates a healthy link.
* Amberoroffmay indicate a problem or no connection.
Why the other answers are incorrect:
* A. Captive screw# These are at the far corners, not where the arrow points.
* C. Fan module LED# This IOM doesn't have user-visible fan LEDs atthe front face.
* D. Fixed port# These are the large rectangular SFP ports clearly visible in the middle, not near the arrow.
This identification is important whentroubleshooting chassis-to-IOM connectivityor verifyingmodule status LEDsduring field maintenance.
NEW QUESTION # 43
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