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[Hardware] 800-150 exam practice material & 800-150 study training pdf & 800-150 on

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【Hardware】 800-150 exam practice material & 800-150 study training pdf & 800-150 on

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Cisco 800-150 Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 2
  • 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 3
  • 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.

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Cisco Supporting Cisco Devices for Field Technicians Sample Questions (Q16-Q21):NEW QUESTION # 16
Which command prompt commands provide the most thorough network diagnostic information when troubleshooting connectivity issues between a Windows PC and a Cisco device?
  • A. netstat -a
    netsh wlan show interfaces
    ipconfig /release
    ipconfig /renew
  • B. nslookup
    arp -a
    route print
  • C. ping
    tracert
    netstat
  • D. ipconfig /all
    ping
Answer: D
Explanation:
When diagnosing network connectivity issues between a Windows PC and a Cisco device, the combination of ipconfig /all and ping commands provides comprehensive information:
ipconfig /all: Displays detailed IP configuration information, including IP addresses, subnet masks, default gateways, DNS servers, and MAC addresses for all network adapters. This information is crucial for verifying correct network settings.
ping: Tests the reachability of a host on an IP network and measures the round-trip time for messages sent from the originating host to a destination computer. It's a fundamental tool for checking connectivity between devices.
While other commands like netstat, tracert, nslookup, arp -a, and route print provide valuable information, ipconfig /all and ping are typically the first and most informative commands used in initial troubleshooting steps.

NEW QUESTION # 17
How must the power to a system with dual power supplies on aCisco Nexus switch be connected?
  • A. Connect both power supplies to a single power source.
  • B. Connect each power supply to a separate power source.
  • C. Connect the primary power supply to the main source and the secondary to a backup generator.
  • D. Connect both power supplies to a power distribution unit with built-in redundancy.
Answer: B
Explanation:
In a Cisco Nexus switch withdual power supplies, the recommended method is toconnect each power supply to a separate power source(Option C). This ensures power redundancy and fault tolerance.
If one power source fails (e.g., due to a power outage or circuit failure), the switch can continue operating uninterrupted using the second power source. Connecting both to a single source (Option D) defeats the purpose of redundancy.
Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Cisco Equipment and Related Hardware

NEW QUESTION # 18
What is the primary purpose of changing the configuration register when performing password recovery?
  • A. To erase the entire configuration
  • B. To enable advanced debugging features
  • C. To unlock all user accounts
  • D. To ignore the startup configuration
Answer: D
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 # 19
Which protocol should be analyzed when troubleshooting call quality between IP phones?
  • A. RTP
  • B. SCCP
  • C. SIP
  • D. H.323
Answer: A
Explanation:
When addressing call quality issues between IP phones, theReal-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.
* Latencyelays 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.
Incontrast:
* 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.
* H.323:An older protocolsuite for multimedia communication, encompassing both signaling and media, but less commonly used in modern IP telephony.Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Troubleshooting Methodologie

NEW QUESTION # 20
Which command is used to download a copied configuration file from a TFTP server to merge it with the running configuration of a replacement Cisco device?
  • A. copy tftp: running-config
  • B. merge tftp: running-config
  • C. load tftp: running-config
  • D. copy tftp: startup-config
Answer: A
Explanation:
The command copy tftp: running-config is used to retrieve a configuration file from a TFTP server and merge it with the current running configuration of a Cisco device. This operation is additive, meaning it integrates the new configuration commands into the existing running configuration without removing any pre-existing commands unless explicitly overridden.
This method is particularly useful when restoring configurations to a replacement device, as it allows for the seamless integration of necessary settings without disrupting the current operational state.
In contrast, using copy tftp: startup-config would overwrite the startup configuration file, which could lead to unintended consequences upon the next device reload. The options load tftp: running-config and merge tftp: running-config are not valid Cisco IOS commands.

NEW QUESTION # 21
......
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