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The latest updated Cisco 100-490 Exam Practice Questions and Answers Online Practice Test is free to share from Lead4Pass (Q1-Q12)
QUESTION 1
What is the Windows-based program that executes the ping command to test network connectivity?
A. cmd
B. Find
C. Start
D. ipconfig
Correct Answer: A
QUESTION 2
At the interface configuration prompt, which command returns you to the main configuration prompt?
A. end
B. clear
C. quit
D. exit
Correct Answer: D
QUESTION 3
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
Correct Answer: D
Reference: https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceivermodules/data_sheet_c78-728110.html
QUESTION 4
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
Correct Answer: BE
QUESTION 5
Which command displays information about the carrier network, cell site, and available service?
A. show cellular unit network
B. show cellular unit radio
C. show cellular unit hardware
D. show cellular unit profile
Correct Answer: A
Reference: https://www.cisco.com/c/en/us/td/docs/solutions/Verticals/EE/IG-WAN/EE-WAN-IG/EE-WAN-IGch2.html
QUESTION 6
Which device is a DTE device?
A. CSU/DSU
B. router
C. cable modem
D. DSL modem
Correct Answer: B
QUESTION 7
Which two statements about a SmartJack are true? (Choose two.)
A. It provides signal conversion.
B. It acts as a concentration point for dial-in and dial-out connections.
C. It operates at Layer 2 of the OSI model.
D. It provides channel testing.
E. It regenerates the signal to compensate for signal degradation from line transmission.
Correct Answer: AE
QUESTION 8
Which Xmodem option is used to enhance error checking of an image that is copied to flash memory?
A. -e
B. -r
C. -c
D. -x
Correct Answer: C
QUESTION 9
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
Correct Answer: C
QUESTION 10
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
Correct Answer: C
QUESTION 11
Which command shows the status of power supplies and sensor temperatures?
A. show hardware
B. show module
C. show environment
D. show diag
Correct Answer: C
Reference: https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/n5k/commands/show-environment.html
QUESTION 12
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
Correct Answer: C
QUESTION 13
ESD is the sudden and momentary electric current that flows between two objects at different electrical potentials,
caused by direct contact or induced by an electrostatic field. Which three tools are used to avoid ESD? (Choose three.)
A. negative static bag
B. antistatic mat
C. ESD wrist strap
D. negative static mat
E. antistatic bag
F. latex gloves
Correct Answer: BCE
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