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100-490: Cisco Certified Technician Routing & Switching (RSTECH)
Cisco
Exam Questions:
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The Cisco Certified Technician Cisco Certified Technician Routing & Switching (RSTECH) (100-490) exam is a crucial certification for anyone aiming to advance their career in Cisco routing and switching. Our topic is your ultimate resource for 100-490 practice test shared by individuals who have successfully passed the exam. These practice tests provide real-world scenarios and invaluable insights to help you ace your preparation.
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Exam number: 100-490
Exam name: Cisco Certified Technician Routing & Switching (RSTECH)
Length of test: 90 minutes
Exam format: Multiple-choice and multiple-response questions.
Exam language: English
Number of questions in the actual exam: 60 questions
Passing score: Variable, typically around 750-850 out of 1000
Use the member-shared Cisco 100-490 Practice Test to ensure you’re fully prepared for your certification exam. Start practicing today and take a significant step towards achieving your certification goals!
Related questions
What does Cisco use for Return Materials Authorization tracking of field-replaceable parts?
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Which Windows-based text editor is preferred for working with a simple text document, such as a Cisco configuration?
Microsoft Word
Microsoft Notepad
Microsoft Access
Microsoft Excel
Explanation:
Microsoft Notepad is the preferred text editor for working with Cisco configuration files and other simple text documents for several reasons:
Plain Text Focus: Notepad is designed specifically for plain text editing. It does not add any formatting, hidden characters, or metadata that could interfere with the configuration file's structure.
Cisco Syntax Compatibility: Cisco configurations rely on specific syntax and spacing. Notepad preserves these elements accurately.
Universality: Notepad is a basic text editor included in all versions of Windows, ensuring accessibility and eliminating the need for additional software.
Why other options are not ideal:
Microsoft Word: Word is a word processor and includes formatting, fonts, and other features that are not compatible with Cisco configuration files. This formatting can corrupt the configuration.
Microsoft Access: Access is a database management system, not suited for text file editing.
Microsoft Excel: Excel is a spreadsheet application and adds its own structure and formatting that conflicts with configuration file formats.
What are two purposes of a USB thumb drive? (Choose two.)
to save the system log
to copy configuration files to and from a PC
to save router hardware information
to copy IOS images to and from a PC
to increase system memory size
Explanation:
USB thumb drives (also called flash drives) serve several practical purposes in networking:
File Transfer: They are excellent for transferring Cisco router or switch configuration files between the device and a PC. This allows you to back up configurations, easily restore configurations, or work with them offline.
IOS Image Storage: USB thumb drives are convenient for storing and transferring Cisco IOS images, especially when you need to upgrade or recover network devices.
Why other options are incorrect:
to save the system log: While you might temporarily store log files on a USB drive, routers and switches generally utilize internal memory or a remote syslog server for logging purposes.
to save router hardware information: Hardware inventory information obtained from commands like show inventory is often copied and pasted to text files, which can then be stored on a USB drive. However, the drive itself doesn't directly save or store this hardware information.
to increase system memory: USB drives are not designed to act as additional system memory (RAM) for a router or switch.
Which Xmodem option enhances error checking of an image copied to flash memory?
An Ethernet interface is up and the line protocol is down. What are two possible causes? (Choose two.)
Which protocol does TFTP typically use for transport?
RSVP
TCP
HTTP
UDP
Explanation:
TFTP, or Trivial File Transfer Protocol, is a simple protocol used for transferring files. Unlike other file transfer protocols, TFTP operates on top of the User Datagram Protocol (UDP), which is a connectionless protocol. This means that TFTP does not establish a persistent connection between the client and server, and it does not guarantee reliable delivery of packets, error checking, or correction.TFTP is typically used in scenarios where simplicity and minimal memory footprint are more critical than the need for reliable delivery, such as when booting a device over a network123.Reference:=Wikipedia,GeeksforGeeks,PyNet Labs
Which Xmodem option is used to enhance error checking of an image that is copied to flash memory?
-e
-r
-c
-x
Explanation:
The -c option in Xmodem file transfers is used to enable CRC (Cyclic Redundancy Check) for enhanced error checking. Here's why it's the correct answer:
Error Detection: CRC is a more robust error detection mechanism compared to the standard checksum method used in Xmodem. It provides greater reliability in identifying file corruption during the transfer.
Flash Memory: Since flash memory on a Cisco router or switch stores critical data like configuration files or the IOS image, ensuring the integrity of transferred files is crucial.
Why other options are incorrect:
-e, -r, -x: These are not standard Xmodem options for error checking purposes. While some implementations may have custom flags, they are not universally applicable.
Important Note: Xmodem is a legacy protocol that is often replaced by more reliable options like TFTP in modern Cisco devices. However, understanding Xmodem options is still relevant for certain cases or older equipment.
Xmodem overview: https://en.wikipedia.org/wiki/XMODEM
Cyclic Redundancy Check (CRC): https://en.wikipedia.org/wiki/Cyclic_redundancy_check
How are IPv6 addresses notated?
From the enable mode, which command loads the configuration during the password recovery process on a Cisco router?
Which device is able to be configured as a TFTP server?
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