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Cisco 100-490 Online Practice Questions and Exam Preparation

100-490 Exam Details

  • Exam Code
    :100-490
  • Exam Name
    :CCT Routing & Switching (RSTECH)
  • Certification
    :CCT Routing & Switching
  • Vendor
    :Cisco
  • Total Questions
    :60 Q&As
  • Last Updated
    :Dec 07, 2025

Cisco 100-490 Online Questions & Answers

  • Question 41:

    Which Cisco CPAK 100GBASE module supports Multimode Fiber cable?

    A. Cisco CPAK-100G-CWDM4
    B. Cisco CPAK-100G-LR4
    C. Cisco CPAK-100G-ER4L
    D. Cisco CPAK-100G-SR4

  • Question 42:

    Which command sends an echo request packet to the target host and then waits for an echo response message?

    A. echo
    B. access
    C. ping
    D. connect

  • Question 43:

    Which command initiates the copying of a Cisco IOS image to a Cisco device?

    A. copy tftp nvram
    B. copy tftp flash
    C. copy flash tftp
    D. copy xmodem flash

  • Question 44:

    What is the line speed of a DS0 in North America?

    A. 16 kbps
    B. 32 kbps
    C. 64 kbps
    D. 128 kbps

  • Question 45:

    Which two pairs of LAN Ethernet devices use an RJ-45 straight-through cable? (Choose two.)

    A. switch-to-switch
    B. switch-to-router
    C. switch-to-hub
    D. router-to-router
    E. switch-to-server

  • Question 46:

    From the enable mode, which command loads the configuration during the password recovery process on a Cisco router?

    A. load_helper
    B. configure terminal
    C. copy running-config startup-config
    D. copy startup-config running-config

  • Question 47:

    Which device is a DTE device?

    A. CSU/DSU
    B. router
    C. cable modem
    D. DSL modem

  • Question 48:

    Which type of Cisco console cable is used to connect a laptop to the console port on a Cisco router?

    A. straight-through
    B. fiber
    C. crossover D. rollover

  • Question 49:

    Which two Cisco Nexus 3400 Series switches support 400-Gbps Ethernet ports? (Choose two.)

    A. Cisco Nexus 34180YC
    B. Cisco Nexus 34200YC-SM
    C. Cisco Nexus 3432D-S
    D. Cisco Nexus 3408-S
    E. Cisco Nexus 3464C

  • Question 50:

    Which layer of the OSI model defines how data is formatted for transmission and how access to the physical media is controlled?

    A. presentation
    B. data link
    C. network
    D. transport

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