cisco 100-490 online test

Supporting Cisco Routing & Switching Network Devices

What students need to know about the 100-490 exam

  • Total 61 Questions & Answers

Question 1 Topic 1

Topic 1
Which protocol does TFTP typically use for transport?

  • A. RSVP
  • B. TCP
  • C. HTTP
  • D. UDP
Answer:

D

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Question 2 Topic 1

Topic 1
What is the correct IPv6 address notation?

  • A. 2001:0DB8::/128
  • B. 2001:0DB8:0::
  • C. 2001:0DB8::1:1:1:1:1
  • D. 2001:0DB8:130F:0000:0000:7000:0000:140B
Answer:

D

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Question 3 Topic 1

Topic 1
Which two statements about Telnet and SSH are true? (Choose two.)

  • A. SSH is a protocol that provides a secure remote access connection to network devices.
  • B. SSH uses the well-known TCP port 23 for its communication.
  • C. A Telnet network management connection is dropped when a router reboots.
  • D. Telnet is a protocol that provides a secure remote access connection to network devices.
  • E. Telnet is preferred over SSH for security reasons.
Answer:

A C

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Question 4 Topic 1

Topic 1
Which address facilitates the routing of packets over an IP network?

  • A. physical
  • B. transport
  • C. network
  • D. MAC
Answer:

C

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Question 5 Topic 1

Topic 1
Which two IPv4 addresses can be assigned to a host computer? (Choose two.)

  • A. 255.255.255.255
  • B. 10.1.1.20
  • C. 0.0.0.0
  • D. 192.168.10.15
  • E. 292.10.3.4
Answer:

B D

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Question 6 Topic 1

Topic 1
What are two components of a WAN connection? (Choose two.)

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

A B

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Question 7 Topic 1

Topic 1
Which device is a DTE device?

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

B

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Question 8 Topic 1

Topic 1
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
Answer:

B

Explanation:
Reference: https://itcertzone.wordpress.com/2011/01/24/the-seven-layers-of-the-osi-
model/#:~:text=Layer%202%3A%20The%20Data%20Link,reliable%20delivery%20of%20the%20data.
Topic 2, Cisco Equipment and Related Hardware

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Question 9 Topic 2

Topic 2
Which command shows the status of power supplies and sensor temperatures?

  • A. show hardware
  • B. show module
  • C. show environment
  • D. show diag
Answer:

C

Explanation:
Reference: https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/n5k/commands/show-environment.html

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Question 10 Topic 2

Topic 2
What are two standard fiber-optic connectors? (Choose two.)

  • A. Lucent
  • B. rollover
  • C. subscriber
  • D. multidimension
  • E. crossover
Answer:

A C

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