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Cisco 800-150 Exam Questions
- Topic 1: Networking Foundations: This section of the exam measures the skills of a Network Engineer and covers the basic building blocks of computer networking. It explains different types of networks like local area networks and wireless networks, and introduces lightweight wireless LANs. It describes the layers of communication models like the OSI model and TCP/IP stack, and explains how data moves across networks. It also discusses the physical cabling used in networks, such as Ethernet and fiber optics. Students will learn about network switching, IP addressing, subnetting, and routing at Layer 3. The section also introduces Cisco’s campus network devices, data center switches, UCS servers, and collaboration devices, describing their roles and functions in the network.
- Topic 2: Common Service Tasks and Tools: This section of the exam measures the skills of a Technical Support Engineer and focuses on tasks commonly needed to manage Cisco devices. It explains how devices boot up, introduces common Cisco IOS commands, and identifies tools for file management. It shows how to confirm physical connections, remotely access devices, and connect to the console port. It also covers how to capture the status of a device, recover passwords, and replace devices by using proper tools. Students are also taught how to find serial numbers on Cisco equipment to assist with support and maintenance activities.
- Topic 3: Cisco Software: This section of the exam measures the skills of a Network Engineer and discusses Cisco’s software systems and licensing. It explains the difference between IOS install and bundle modes and gives an overview of different licensing models. Students learn how to manage Cisco software images, including backing up, transferring, and installing images via FTP, TFTP, or USB. It also covers how to handle configuration files to keep devices running properly and ensure smooth upgrades or replacements.
- Topic 4: Cisco Infrastructure and Collaboration Infrastructure: This section of the exam measures the skills of a Collaboration Engineer and focuses on Cisco infrastructure devices, endpoints, and collaboration technologies. It introduces network devices, collaboration endpoints like IP phones and video systems, and explains on-premises collaboration deployments using tools like Cisco Unified Communications Manager. It also covers how video systems integrate into collaboration environments and highlights Cisco’s cloud services for enterprise communication, including Webex Meetings, Webex Teams, and hosted collaboration solutions.
- Topic 5: Cisco Hardware Replacement: This section of the exam measures the skills of a Technical Support Engineer and teaches how to safely and correctly replace Cisco hardware. It explains safety procedures such as creating safe work zones and handling electrostatic discharge. Students learn the step-by-step processes to replace a wide range of Cisco devices, from switches and routers to firewalls, UCS servers, and collaboration endpoints. It also covers configuring Cisco NX-OS software, including understanding operating modes, boot procedures, and password recovery, and introduces Cisco collaboration endpoint solutions like IP phones and video systems.
- Topic 6: Cisco UCS and Data Center Architecture: This section of the exam measures the skills of a Data Center Engineer and introduces Cisco’s UCS and data center solutions. It explains the devices found in a data center, including switches, UCS servers, and director switches, and describes different server deployment models. Students will also learn about virtualization components like virtual machines, hypervisors, cloud computing concepts, and deployment models. The section covers how Cisco UCS devices fit into campus networks, edge locations, and data centers, and explains the key components and connections used in UCS architecture.
Free Cisco 800-150 Exam Actual Questions
Note: Premium Questions for 800-150 were last updated On Aug. 26, 2026 (see below)
Why is the midplane-free design of the X9508 Modular Chassis significant in the context of Cisco UCS X-Series compute node replacement?
The Cisco UCS X9508 Modular Chassis, part of the UCS X-Series architecture, is designed without a midplane, which marks a major shift from previous UCS models. The midplane-free design is critical because:
Direct front-to-rear airflow is made possible without obstruction.
This airflow architecture enhances thermal efficiency, especially important during compute node replacements or upgrades.
It allows modules to communicate via side-plane connectors, which are located on the sides rather than a fixed midplane.
This architecture:
Simplifies mechanical design
Reduces cooling complexity
Improves modularity and accessibility
Why the other options are incorrect:
A . Hot-swapping is supported, but not because of midplane-free design---it's a UCS standard feature.
C . Upgrades to faster interconnects are enabled by side-plane I/O, not by midplane absence alone.
D . Power efficiency is a broader chassis feature, not specifically driven by the midplane design.
What is the primary purpose of backing up the endpoint configuration prior to replacing the device?
Backing up the configuration of a network device before replacement is a critical step to ensure business continuity and minimize downtime. The primary purpose of this backup is to restore the existing settings onto the new device, ensuring that it operates identically to the one being replaced.
This process includes preserving interface configurations, routing protocols, access control lists, and other essential parameters. By restoring the backed-up configuration to the new device, network administrators can quickly reintegrate it into the network infrastructure without the need for manual reconfiguration, thereby reducing the risk of errors and service disruptions.
Options A, B, and C do not align with the primary objective of configuration backups in the context of device replacement.
Which protocol should be analyzed when troubleshooting call quality between IP phones?
When addressing call quality issues between IP phones, the Real-time Transport Protocol (RTP) is the primary protocol to analyze. RTP is responsible for the actual transmission of voice data during a call, and its performance directly impacts call quality.
Key factors affecting RTP and, consequently, call quality include:
Packet Loss: Missing packets can lead to audio gaps.
Jitter: Variations in packet arrival times can cause choppy audio.
Latency: Delays in packet delivery can result in noticeable lag.
Analyzing RTP streams allows technicians to identify these issues and implement appropriate Quality of Service (QoS) measures to mitigate them.
In contrast:
SIP (Session Initiation Protocol): Handles call setup, modification, and teardown but not the media stream.
SCCP (Skinny Client Control Protocol): A Cisco proprietary protocol for signaling, not media transport.
Which two devices are most commonly used in a WAN environment? (Choose two.)
In the context of Wide Area Networks (WANs), the key objective is to connect geographically separated networks using service provider infrastructure. The FLDTEC course emphasizes that WAN environments typically involve devices that can handle different physical transmission mediums and protocols.
Modems:
Modulate and demodulate analog signals to digital signals.
Used in WAN environments to connect over analog lines like DSL or leased lines.
Essential for interfacing between digital routers and analog telephone networks.
Optical Fiber Converters:
Also known as media converters, they are used to convert electrical signals to optical signals (and vice versa) for fiber transmission.
Common in WAN scenarios where long-distance high-speed transmission over fiber is required.
Incorrect Options:
A . Hubs: Obsolete Layer 1 devices used in LANs, not suitable for WANs.
D . Network Interface Cards (NICs): Used in end devices for LAN connectivity.
E . Wireless Access Points: Typically used in WLANs within local premises, not WAN infrastructure.
This aligns with Cisco's WAN architecture fundamentals as highlighted in FLDTEC under ''Cisco Equipment and Related Hardware.''
What must be considered when installing a new fan module in a fixed-configuration Cisco Nexus switch?
When installing a fan module in a Cisco Nexus fixed-configuration switch, it's crucial to ensure that the airflow direction 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 in front-to-back or back-to-front airflow variants, and consistency is required for proper thermal management. These modules are also typically hot-swappable, meaning powering down the switch is not necessary.
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