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  1. Home
  2. Cisco Certification
  3. 100-490 Exam
  4. Cisco.100-490.v2025-04-05.q61 Dumps
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Question 21

Which type of port is used to connect a laptop to an Ethernet port on a Cisco router?

Correct Answer: C
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Question 22

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

Correct Answer: C
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
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Question 23

Which two Cisco Nexus 3400 Series switches support 400-Gbps Ethernet ports? (Choose two.)

Correct Answer: C,D
Reference:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3400s/sw/922/interfaces/ configuration/guide/b_Cisco_Nexus_3400_NX-OS_Interfaces_Configuration_Guide_922/ b_Cisco_Nexus_3400_NX-OS_Interfaces_Configuration_Guide_9z_chapter_010.html
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Question 24

An Ethernet interface is up and the line protocol is down. What are two possible causes? (Choose two.)

Correct Answer: A,C
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Question 25

Which two ports on a laptop are used to gain console access to a Cisco switch? (Choose two.)

Correct Answer: A,B
To gain console access to a Cisco switch, two types of ports on a laptop can be used: DB-9 and USB. The DB-9 port is a traditional serial port that is often used with a DB-9 to RJ-45 console cable to connect to the switch's console port1. However, as modern laptops may not have a DB-9 port, a USB to Serial adapter can be used instead, which creates a virtual COM port that can be used to connect to the switch1. The USB port can also be used directly if the switch has a USB console port, which is common on newer Cisco devices. These ports allow for direct physical connection to the switch for configuration and management purposes. Reference := Access the CLI via PuTTY using a Console Connection on 300 and 500 Series Managed Switches - Cisco, How to connect Switch with console port - Cisco Learning Network
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