Free 800-150: Supporting Cisco Devices for Field Technicians Exam Questions and Answers
Supporting Cisco Devices for Field Technicians is exam 800-150, part of Cisco certifications. In Cisco's current scheme the first digit gives the level: 100 is entry, 200 associate, 300 the CCNP concentration exams, 350 the CCNP core exams that also qualify you for CCIE, 500 specialist and 700 the unproctored sales exams. Older codes such as 400-, 640- and 642- predate the February 2020 restructure, when every CCNA track was collapsed into one exam and CCNP moved to a core-plus-concentration model.
If you searched for 800-150 dumps, a 800-150 ExamTopics discussion or a free 800-150 PDF, this is the Supporting Cisco Devices for Field Technicians question bank: practice questions with verified answers and explanations, a timed 800-150 practice test and updates whenever Cisco changes the exam.
Last updated: October 30, 2026
- Exam code
- 800-150
- Provider
- Cisco
- Questions in our bank
- 1000+
- Free to read
- First 10, with answers
- Our test mode duration & pass mark
- 130 mins · 70%
- Verified answers
- Reviewed weekly
Recommended: Switch to Test Mode to start a practice test that simulates the real exam experience.
Question #1
What is the name of the protocol data unit (PDU) created when TCP encapsulates application data at the transport layer?
Correct answer: D
Explanation
TCP adds its header to application data and creates a segment. The segment is then encapsulated in a packet at the network layer and in a frame at the data link layer. Packet is the tempting choice because it is the Layer 3 PDU.
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Question #2
Which component of a Cisco UCS C-Series rack server with redundant power can be replaced while the server remains powered on?
Correct answer: A
Explanation
Power supply units in a redundant configuration are hot-swappable, so the server keeps running on the remaining unit. DIMMs, CPUs and the TPM require the server to be shut down and power disconnected before replacement.
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Question #3
Which protocol does an IPv6 host use to resolve the Layer 2 address of a neighbor on the same link?
Correct answer: B
Explanation
IPv6 replaces ARP with Neighbor Discovery Protocol, which uses ICMPv6 neighbor solicitation and neighbor advertisement messages to map IPv6 addresses to MAC addresses. ARP is used only with IPv4.
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Question #4
A technician must install a 10GBASE-T copper link of 80 m between two switches. Which UTP cable type supports this distance at 10 Gbps?
Correct answer: A
Explanation
Category 6a supports 10GBASE-T up to 100 m. Category 6 supports 10 Gbps only up to about 55 m, so it fails at 80 m. Category 5e and Category 3 are not suitable for 10GBASE-T at this distance.
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Question #5
An administrator must assign Webex Calling licenses and view the status of registered devices for several sites from one web-based portal. Which tool should the administrator use?
Correct answer: A
Explanation
Webex Control Hub is the cloud management portal for Webex services, including users, licenses and devices. Cisco Unified CM Administration, TMS and Meeting Management manage on-premises collaboration components.
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Question #6
A technician must copy an IOS XE image from a USB drive to the flash of a Catalyst 9300 switch. Which command completes the task?
Correct answer: B
Explanation
The copy command takes the source first and the destination second, so the USB file is the source and flash: is the destination. The reversed form copies from the switch to the USB drive, and the running-config and startup-config forms copy configuration data, not an image file.
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Question #7
Which NX-OS command displays the installed modules of a Nexus switch together with their operational status, such as active or ha-standby?
Correct answer: A
Explanation
show module lists each supervisor and line card with its model and status, including active and ha-standby for supervisors. show inventory lists part and serial numbers without that status, and show version reports software and hardware summary details.
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Question #8
Which task does a Cisco router perform FIRST when power is applied?
Correct answer: B
Explanation
The first step of the boot sequence is the power-on self-test, which checks the hardware before the bootstrap code locates and loads the IOS image. The startup-config is loaded last, after IOS is running, so it is the most common wrong choice.
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Question #9
A field technician replaces a failed Cisco IP phone that is powered by PoE from an access switch. Place the steps in the order the technician should perform them. A. Place a test call from the replacement phone B. Verify the replacement phone registers with the call controller C. Connect the replacement phone to the switch port with a patch cable D. Disconnect the Ethernet cable from the failed phone
Put the items in order, then reveal.
- 1.Drop here
- 2.Drop here
- 3.Drop here
- 4.Drop here
Correct answer: Disconnect the Ethernet cable from the failed phone; Connect the replacement phone to the switch port with a patch cable; Verify the replacement phone registers with the call controller; Place a test call from the replacement phone
Explanation
The failed phone is disconnected first, then the replacement is cabled to the PoE port and powers up. Registration with the call controller is confirmed before a test call, because a call cannot be placed from an unregistered phone.
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Question #10
Which Cisco-proprietary protocol does Cisco Unified Communications Manager use to control Cisco IP phones?
Correct answer: C
Explanation
SCCP is the Cisco-proprietary signaling protocol between Cisco UCM and its phones. MGCP and H.323 are standards-based and are used mainly with gateways, and RTCP only reports on media streams.
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Discussion
Explain your reasoning, not just the letterOther Cisco certifications
- 200-301: Cisco Certified Network Associate (CCNA) (opens in a new tab)
- 350-401: Implementing Cisco Enterprise Network Core Technologies (ENCOR) (opens in a new tab)
- 350-701: Implementing and Operating Cisco Security Core Technologies (opens in a new tab)
- 350-501: Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) (opens in a new tab)
- 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) (opens in a new tab)
- 350-601: Implementing and Operating Cisco Data Center Core Technologies (DCCOR) (opens in a new tab)
- 200-901: DevNet Associate (DEVASC) (opens in a new tab)
- 350-801: Implementing Cisco Collaboration Core Technologies (CLCOR) (opens in a new tab)
- 300-415: Implementing Cisco SD-WAN Solutions (ENSDWI) (opens in a new tab)
- 400-007: Cisco Certified Design Expert v3.0 (opens in a new tab)
- 200-201: Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS) (opens in a new tab)
- 300-101: CCNP Implementing Cisco IP Routing (ROUTE v2.0) (opens in a new tab)
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FAQ
Learn More: https://www.cisco.com/site/us/en/learn/training-certifications/certifications/index.html
- Q1: What is the 800-150: Supporting Cisco Devices for Field Technicians exam?
- A: 800-150: Supporting Cisco Devices for Field Technicians is a Cisco certification exam. Judging by the questions in our bank, it concentrates on cisco, replacement, switch, installing and nexus.
- Q2: What topics does the 800-150: Supporting Cisco Devices for Field Technicians exam cover?
- A: Questions in our 800-150: Supporting Cisco Devices for Field Technicians bank cluster around cisco, replacement, switch, installing, nexus, c-series, replacing and rack. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for 800-150: Supporting Cisco Devices for Field Technicians?
- A: Work through the 800-150: Supporting Cisco Devices for Field Technicians practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real 800-150: Supporting Cisco Devices for Field Technicians exam questions?
- A: They are drawn from officially released past questions and from community members who have sat 800-150: Supporting Cisco Devices for Field Technicians. Answers are verified and updated weekly.
- Q5: Where do I register for the 800-150: Supporting Cisco Devices for Field Technicians exam?
- A: Register through Cisco directly. Exampractice is not affiliated with Cisco and does not administer the exam.
- Q6: Is there a free 800-150: Supporting Cisco Devices for Field Technicians sample?
- A: Yes. Every 800-150: Supporting Cisco Devices for Field Technicians page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are Cisco Certification Exams?
- A: Cisco Certification Exams validate your expertise in using and managing Cisco networking and IT solutions. These certifications demonstrate your proficiency in designing, implementing, and troubleshooting Cisco-based networks and systems, covering areas such as routing and switching, security, wireless, data center, and collaboration.
- Q8: Why should I pursue Cisco Certification?
- A: Cisco Certification enhances your professional credibility, showcasing your skills and knowledge in Cisco technologies. This can lead to better job opportunities, higher salaries, and career advancement in networking and IT industries.
- Q9: What are the benefits of Cisco Certification?
- A: Benefits include recognition as a certified networking professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest Cisco technologies and best practices.
- Q10: Who should take Cisco Certification Exams?
- A: Network engineers, system administrators, IT professionals, and anyone involved in designing, implementing, and managing network solutions using Cisco products should consider these certifications to validate their expertise and advance their careers.
- Q11: What types of Cisco Certification Exams are available?
- A: Cisco offers various certification paths, including:
- Q12: How do I prepare for Cisco Certification Exams?
- A: Preparation can include official Cisco training courses, study guides, practice exams, online tutorials, and hands-on experience with Cisco networking equipment and solutions.
- Q13: Where can I take Cisco Certification Exams?
- A: Cisco Certification Exams can be taken at authorized Pearson VUE testing centers worldwide or online, providing flexibility to fit your schedule and location.
- Q14: How do Cisco Certifications impact my career?
- A: Cisco Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in networking and IT.
- Q15: Are there any prerequisites for Cisco Certification Exams?
- A: Some exams may have prerequisites, such as foundational knowledge or prior certifications. Check the specific requirements for each certification path on the Cisco website.
- Q16: How often do I need to recertify for Cisco Certifications?
- A: Cisco Certifications typically require recertification every three years to ensure that certified professionals stay updated with the latest networking technologies and industry practices.



