Latest Upload Cisco 100-490 PDF Question: Supporting Cisco Routing and Switching Network Devices & Pass 100-490 Test

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Free PDF Quiz Cisco - 100-490 - The Best Supporting Cisco Routing and Switching Network Devices PDF Question

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Cisco 100-490 Exam covers a range of topics, including network fundamentals, network access, IP connectivity, IP services, security fundamentals, automation and programmability. These topics are essential for anyone working in IT support and network administration roles, as they cover the foundational knowledge and skills required to support Cisco network devices.

Cisco 100-490 exam is a certification test that evaluates candidates' knowledge in supporting Cisco routing and switching network devices. It covers a variety of topics, including network fundamentals, security fundamentals, and automation and programmability. Candidates who pass the exam will have a deeper understanding of these topics and will be able to demonstrate their expertise in supporting Cisco routing and switching network devices.

Cisco Supporting Cisco Routing and Switching Network Devices Sample Questions (Q56-Q61):

NEW QUESTION # 56
Which two commands identify the serial number of a Cisco router? (Choose two.)

A. show version
B. show archive
C. show environment
D. show inventory
E. show run

Answer: A,D

NEW QUESTION # 57
Which type of transceiver module is used for 40 Gigabit Ethernet connectivity?

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

Answer: D

Explanation:
Section: Cisco Equipment and Related Hardware
Explanation/Reference: https://www.cisco.com/c/en/us/products/interfaces-modules/40-gigabit-modules/ index.html#:~:text=The%20Cisco%20QSFP%20BiDi%20transceiver,10%20Gigabit%20Ethernet%20fiber%
20infrastructure

NEW QUESTION # 58
Which command returns the user to the main configuration prompt from the interface configuration prompt?

A. exit
B. end
C. quit
D. clear

Answer: A

Explanation:
The command that returns the user to the main configuration prompt from the interface configuration prompt is exit. When you are in interface configuration mode on a Cisco device and you want to return to the global configuration mode, you use the exit command. If you want to go all the way back to privileged EXEC mode, you would use the end command or press Ctrl-Z1.

NEW QUESTION # 59
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. latex gloves
D. ESD wrist strap
E. negative static mat
F. antistatic bag

Answer: B,D,F

Explanation:
Electrostatic Discharge (ESD) poses a significant risk to delicate electronic components. Here's why the correct answers are essential tools for ESD protection:
Antistatic Mat: Provides a grounded surface to work on, dissipating static buildup from your body and the components you're handling.
ESD Wrist Strap: When connected to a grounding point (often on the antistatic mat), this strap creates an electrical path to safely discharge static electricity from your body.
Antistatic Bag: These special bags are designed to shield sensitive components from static charge, crucial for storing and transporting electronic parts.
Why other options are incorrect:
Negative static bag, negative static mat: These terms don't exist in standard ESD protection practices. The focus is on creating a grounded environment to neutralize static charges.
Latex gloves: While they offer insulation, they can actually generate static electricity, increasing the risk of ESD damage.

NEW QUESTION # 60
Which command shows the status of power supplies and sensor temperatures?

A. show diag
B. show environment
C. show hardware
D. show module

Answer: B

Explanation:
The show environment command in Cisco devices is used to display the status of the system's environment, including power supplies and sensor temperatures. This command provides a comprehensive overview of the environmental conditions affecting the device, such as temperature readings and power supply status.
Option A, show hardware, is not specific to power supplies and sensor temperatures. Option B, show module, displays information about the network modules installed in the device but not the environmental conditions. Option D, show diag, is used for diagnostic purposes and does not specifically provide the status of power supplies and sensor temperatures.
Therefore, the correct answer is C, show environment, which is the command that specifically shows the status of power supplies and sensor temperatures in Cisco devices12.
Reference:
Cisco Community discussions on power supply details1.
Cisco documentation on Environmental Monitoring and Power Management2.

NEW QUESTION # 61
......

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