Cisco 100-490 Supporting Cisco Routing and Switching Network Devices v3.0 Online Training
Cisco 100-490 Online Training
The questions for 100-490 were last updated at Oct 22,2025.
- Exam Code: 100-490
- Exam Name: Supporting Cisco Routing and Switching Network Devices v3.0
- Certification Provider: Cisco
- Latest update: Oct 22,2025
Question #1
Which protocol does TFTP typically use for transport?
- A . RSVP
- B . TCP
- C . HTTP
- D . UDP
Question #2
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
Question #3
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.
Question #4
Which address facilitates the routing of packets over an IP network?
- A . physical
- B . transport
- C . network
- D . MAC
Question #5
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
Question #6
What are two components of a WAN connection? (Choose two.)
- A . CSU/DSU
- B . router
- C . bridge
- D . hub
- E . switch
Question #7
Question #8
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
Question #9
Which command shows the status of power supplies and sensor temperatures?
- A . show hardware
- B . show module
- C . show environment
- D . show diag
Question #10
What are two standard fiber-optic connectors? (Choose two.)
- A . Lucent
- B . rollover
- C . subscriber
- D . multidimension
- E . crossover
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