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 21:

    What are two components of a WAN connection? (Choose two.)

    A. CSU/DSU
    B. router
    C. bridge
    D. hub
    E. switch

  • Question 22:

    Which set of steps best describes how to assign a static IP address to the Ethernet port on a computer?

    A. From the Network and Sharing Center, click Internet Protocol (TCP/IP), and follow the New Connection Wizard instructions.
    B. From the Network and Sharing Center, click Change adapter, then double-click a local area connection. Select Internet Protocol (TCP/IP) > Properties > Use the Following Address, and then configure the IP information.
    C. Click Start. Enter cmd and click OK. Enter the IP address XXX.XXX.XXX.XXX.
    D. From the Network and Sharing Center, double-click Local Area Connection. Select Properties > iPass Protocol (IEEE 802.1x) > Properties > Static IP.

  • Question 23:

    Which command provides detailed information about the components that are installed on a router, such as the model, PID, and serial number?

    A. show chassis
    B. show items
    C. show inventory
    D. show router

  • Question 24:

    What does Cisco use for Return Materials Authorization tracking of field-replaceable parts?

    A. product number
    B. serial number
    C. RMA number
    D. FRU number

  • Question 25:

    Which type of transceiver module is used for 40 Gigabit Ethernet connectivity?

    A. SFP+
    B. GBIC
    C. QSFP+
    D. XFP

  • Question 26:

    Which bits represent the boot field in the configuration register value?

    A. highest two bits
    B. lowest two bits
    C. highest four bits
    D. lowest four bits

  • Question 27:

    From a Windows command prompt, which command displays the local IP address of a computer?

    A. ipconfiguration
    B. ip configuration
    C. ipconfig
    D. ip config

  • Question 28:

    Which method is the fastest way to recover a software version that supports a USB flash port on a Cisco device?

    A. tftp command
    B. xmodem transfer command
    C. copy command with USB memory
    D. copy tftp flash: command

  • Question 29:

    Which type of memory stores the decompressed form of Cisco IOS Software and the running configuration?

    A. flash
    B. ROM
    C. NVRAM
    D. DRAM

  • Question 30:

    The pins on an RJ-45 cable plug are numbered from 1 through 8. When the metal pins of the plug are facing toward you, pin 1 is the leftmost pin. Which two sets of pins are looped on an RJ-45 56K loopback plug? (Choose two.)

    A. pins 2 and 7 B. pins 2 and 8
    C. pins 2 and 5
    D. pins 1 and 7
    E. pins 1 and 4

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