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Exam Code: 100-490

Exam Name: Supporting Cisco Routing and Switching Network Devices

Updated: Sep 27, 2026

Number: 74 Q&As with Testing Engine

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Career Path

If you want to train yourself further in this field, the next certification to go for is the Cisco Certified Network Associate (CCNA) certification. While the CCT Routing & Switching was mostly fieldwork, the new CCNA takes it further by allowing you to support and configure networks by yourself. Overall, the CCNA validation is used as a benchmark for several companies to determine a minimum level of Cisco networking knowledge. So, adding this certification to your list of qualifications will open you up to more opportunities and job prospects in networking.

Prerequisites

The target audience for the 100-490 RSTECH exam and its Cisco Certified Technician Routing & Switching certification is those onsite support technicians who are seeking to gain technical competence in diagnosing, restoring, repairing, as well as replacing the major Cisco routing and switching network devices. There are no official prerequisites for taking this qualifying test, but before attempting it, the applicants should develop a solid understanding of the topics included in the exam syllabus.

Cisco 100-490 Exam Overview:

Certification Vendor:	Cisco
Exam Name:	Supporting Cisco Routing and Switching Network Devices
Exam Number:	100-490 RSTECH
Exam Duration:	90 minutes
Exam Format:	Multiple Choice Single Answer, Multiple Choice Multiple Answer
Real Exam Qty:	55-65
Available Languages:	Japanese, English
Passing Score:	Not publicly disclosed (approx. 800-850 / 1000 scale)
Certificate Validity Period:	3 years
Exam Price:	USD 125 (plus local taxes)
Recommended Training:	Supporting Cisco Routing and Switching Network Devices v3.0
Exam Registration:	Cisco Official Exam Page Pearson VUE Registration
Sample Questions:	Cisco 100-490 Sample Questions
Exam Way:	Online proctored or onsite at Pearson VUE test centers
Pre Condition:	No formal prerequisites; basic networking knowledge recommended
Official Syllabus URL:	https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/100-490.html

Cisco 100-490 Exam Syllabus Topics:

Topic	Details
Topic 1	Identify Cisco products by logo marking and model number Copy and paste a configuration file from to a router or switch
Topic 2	Describe hardware memory common terms and their use in Cisco routers and switches Describe an IPv4 and IPv6 address and subnet
Topic 3	Use and interpret the basic Cisco IOS Software commands Use the OSI and TCP IP models and their associated protocols to explain how data flows in a network
Topic 4	Identify and locate the serial number of Cisco products Describe the function of FTP, TFTP and PING
Topic 5	Describe the basic functionality and key differences of this hardware: LAN switch, router, and wireless access points
Topic 6	Identify and correct common network problems at Layers 1 and 2 Identify tools for hardware installation and replacement
Topic 7	Describe the location and process to change the configuration register parameter Describe the function of Telnet and SSH
Topic 8	Perform software upgrade or downgrade using TFTP, FTP, xmodem, tftpdnld, or USB Storage Identify and describe commonly used components
Topic 9	Perform password recovery on a Cisco device Describe the licensing process on different platforms

Reference: https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/100-490-rstech.html

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