Study with Cisco : 100-490 Exam Torrent as your best preparation materials

Updated: Jul 30, 2026

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Cisco 100-490 Exam Topics:

SectionWeightObjectives
Service-Related Knowledge26%- Locate and use a text editor such as, Notepad
- Locate and use the Windows command prompt
- Locate, configure, and use Terminal Emulation ( Tera Term, Putty)
- Configure networks settings for Ethernet port on laptop (IP address, subnet mask and default gateway) and establish a connection with Ethernet ports on Cisco equipment using correct cable
- Make a physical connection from laptop to Cisco console port
- Connect, configure, and verify operation status of a device interface
- Configure and use TFTP and FTP servers (TFTP d32/64, FIlezilla)
- Perform software upgrade or downgrade using TFTP, FTP, xmodem, tftpdnld, or USB Storage
- Manage configurations via the TCP/IP network
- Perform password recovery on a Cisco device
- Identify and correct common network problems at Layers 1 and 2
  • Serial or ether interface status
  • Ethernet layer 2 (full and half duplex, speed issues)
  • WAN serial loopback test (T1, 56K and Telco assisted loopback)
Cisco Equipment and Related Hardware20%- Identify the Cisco equipment including the Cisco Nexus 9000 Series, Nexus 7000 Series, Nexus 3000 Series, MDS 9000 Series, Catalyst 9000 Series, Catalyst 6800 Series, Catalyst 6500 E-Series, Catalyst 3850, 3650, 2960, 1000 Series and Meraki switches and Cisco 8000 Series, Cisco ASR 9000 Series, Cisco ASR 1000 Series, NCS 5500 Series ,NCS 5000 Series routers and Cisco 4000, 1100, 900, 800 Series Integrated Service routers.
- Identify Cisco products by logo marking and model number (including, but not limited to, locations on chassis, line card, module, or adapter)
- Identify Cisco Transceiver Modules
- Identify and locate the serial number of Cisco products (including, but not limited to, locations on chassis, line card, module, or adapter)
- Identify and describe commonly used components
- Describe hardware memory common terms and their use in Cisco routers and switches
- Identify the cabling on Cisco equipment
- Identify tools for hardware installation and replacement
- Identify the different loop-back plugs (RJ45 Ethernet, T1, 56K)
General Networking Knowledge25%- Use the OSI and TCP/IP models and their associated protocols to explain how data flows in a network
- Describe the basic functionality and key differences of this hardware: LAN switch, router, and wireless access points
- Differentiate between these Layer 2 technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, Serial, and Optical
- Describe LAN cabling
- Describe the function of CSU/DSU
- Describe Telco termination point
- Describe an IPv4 and IPv6 address and subnet
- Describe the function of FTP, TFTP and PING
- Describe the function of Telnet and SSH
Cisco IOS Software Operation29%- Describe the key role of Cisco IOS, IOS-XE, IOS-XR and NX-OS software
- Navigate between different operating modes
- Determine the current mode of a device
- Copy and paste a configuration file from/to a router or switch
- Use and interpret the basic Cisco IOS Software commands
- Describe the location and process to change the configuration register parameter
- Identify a configuration file from a Cisco device
- Describe the licensing process on different platforms
- Describe Bundle Mode/Install Mode IOS-XE

Cisco 100-490 Exam Overview:

Certification Vendor:Cisco
Exam Name:Supporting Cisco Routing and Switching Network Devices
Exam Number:100-490 RSTECH
Available Languages:English, Japanese
Real Exam Qty:55-65
Exam Price:USD 125 (plus local taxes)
Certificate Validity Period:3 years
Exam Format:Multiple Choice Single Answer, Multiple Choice Multiple Answer
Passing Score:Not publicly disclosed (approx. 800-850 / 1000 scale)
Exam Duration:90 minutes
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

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.

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

About 100-490 Exam

This exam will test your ability according to the skills needed for onsite support of Cisco routers, operating environments, and switches. Particularly, the CCT Routing and Switching certification is for those who plan to or are currently supporting Cisco devices, usually with the help of some upper-engineering support that can be received from the third-party maintainer field engineers. You should also go for this certification exam if you have technical experience and want to move into the field of networking. There are no specific prerequisites to take the official test, but you do need to learn the topics that will be covered in the final test.

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