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800-150최신업데이트버전공부문제 & 800-150최신버전덤프샘플문제
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Cisco 800-150 시험요강:
주제
소개
주제 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.
주제 2
- 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.
주제 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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최신 Cisco Certified Field Technician (CCT) 800-150 무료샘플문제 (Q30-Q35):
질문 # 30
How many bits are borrowed from the default host portion of the address to create subnets in a Class B network with a subnet mask 255.255.255.0?
- A. 8 bits
- B. 3 bits
- C. 3 bits
- D. 5 bits
정답:A
설명:
In a Class B network, the default subnet mask is 255.255.0.0, which allocates:
* 16 bits for the network portion
* 16 bits for the host portion
When the subnet mask is changed to255.255.255.0, it becomes:
* 24 bits for the network portion
* 8 bits for the host portion
This indicates that8 bitshave been borrowed from the host portion to create additional subnets. Borrowing bits allows for the division of the original network into smaller sub-networks, enhancing organization and security within the network.
Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Cisco IOS Software Basics
질문 # 31
Which two settings are standard Cisco console connections when configuring a terminal emulator to connect to the console port of a Cisco switch? (Choose two.)
- A. Flow control: Hardware
- B. Data bits: 8
- C. Speed (baud rate): 9600
- D. Parity: Even
- E. Stop bits: 2
정답:B,C
설명:
When configuring a terminal emulator (such as PuTTY, Tera Term, or HyperTerminal) to connect to the console port of a Cisco switch, the standard settings are as follows:
* Speed (baud rate): 9600This is the default transmission speed for Cisco console ports, ensuring compatibility across various devices.
* Data bits: 8This setting specifies that each character transmitted consists of 8 data bits, which is standard for most serial communications.
* Parity: NoneNo parity bit is used, meaning there is no additional error-checking bit appended to each character.
* Stop bits: 1One stop bit indicates the end of a character transmission.
* Flow control: NoneNo flow control is employed, allowing continuous data transmission without hardware or software-based pausing.
Therefore, optionsC (Speed: 9600)andD (Data bits: 8)are correct. Options A (Stop bits: 2), B (Flow control:
Hardware), and E (Parity: Even) deviate from the standard settings and may result in communication issues if configured.
Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Device Configuration and Verification
질문 # 32
Which layer of the OSI model provides error detection and defines how access to the media is controlled?
- A. Presentation layer
- B. Physical layer
- C. Data link layer
- D. Network layer
정답:C
설명:
The Data Link Layer (Layer 2) of the OSI model is responsible for node-to-node data transfer and plays a crucial role in error detection and media access control. It ensures that data frames are transmitted to the correct device on a local network segment.
This layer is divided into two sublayers:
* Logical Link Control (LLC):Manages frame synchronization, flow control, and error checking.
* Media Access Control (MAC):Controls how devices on the network gain access to the medium and permission to transmit data.
Together, these sublayers ensure reliable data transmission by detecting and possibly correcting errors that may occur in the Physical Layer. They also manage how devices share the transmission medium, preventing collisions and ensuring orderly communication.
Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Cisco IOS Software Basics
질문 # 33
Refer to the exhibit. Which replaceable components are highlighted on the three different series of Cisco UCS servers?
- A. fan modules
- B. GPU sockets
- C. power supplies
- D. storage modules
정답:A
설명:
The highlighted components in all three Cisco UCS server models (5108 B-Series Blade Server Chassis, X9508 X Series Modular Server Chassis, and C225 M6 Rack Server) are fan modules, which are field- replaceable units responsible for cooling the system.
The highlighted components in the images correspond tocooling fans- these are essential for maintaining optimal thermal conditions within each Cisco UCS server type.Here's a breakdown of what's visible in each:
* Cisco UCS 5108 B-Series Blade Server Chassis: The highlighted vertical rectangular components are fan modules, which provide high-efficiency airflow for the densely packed blades.
* Cisco UCS X9508 X-Series Modular Server Chassis: The front-facingfan traysare clearly marked, used to cool the modular nodes and shared infrastructure.
* Cisco UCS C225 M6 Rack Server: The highlighted components on the side of the motherboard are alsofan modules, directly responsible for cooling the CPU, memory, and other internal components.
These fans arefield-replaceable units (FRUs)and are routinely accessed by technicians during preventive maintenance or fault replacement.
질문 # 34
Which term describes the physical range of radio frequency coverage provided by an access point in a wireless topology?
- A. Basic Service Area (BSA)
- B. Service Set Identifier (SSID)
- C. Wireless LAN (WLAN)
- D. Wireless LAN Controller (WLC)
정답:A
설명:
In wireless networking, theBasic 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.
Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) - Wireless Device Support
질문 # 35
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