Free Cisco 100-490 Practice Test & Real Exam Questions

Exam Code/Number: 100-490
Exam Name/Title: Supporting Cisco Routing and Switching Network Devices
Certification Provider: Cisco
Corresponding Certification: CCT Routing and Switching

Exam Questions: 74
Updated On: Sep 08, 2026

Question #9

Refer to the exhibit.

Which two statements about the hardware components are true? (Choose two.)

A. 2 is an RJ-45 to USB Type A console cable.

B. 3 is a USB Type A port.

C. 3 is a USB 5-pin mini USB Type B port.

D. 1 is a USB Type A port.

E. 2 is a USB 5-pin mini USB Type B to USB Type A console cable.

Discussion 0

Correct Answer: C,E Vote an answer

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Question #10

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. Telnet is preferred over SSH for security reasons.

C. A Telnet network management connection is dropped when a router reboots.

D. SSH uses the well-known TCP port 23 for its communication.

E. Telnet is a protocol that provides a secure remote access connection to network devices.

Discussion 0

Correct Answer: A,C Vote an answer

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Question #11

Which command returns the user to the main configuration prompt from the interface configuration prompt?

A. clear

B. end

C. exit

D. quit

Discussion 0

Correct Answer: C Vote an answer

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Question #12

Which command displays a list of file systems that are available on Cisco devices?

A. show version

B. show file system

C. show directory

D. show memory

Discussion 0

Correct Answer: B Vote an answer

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Question #13

Which two features are associated with single-mode fiber-optic cable? (Choose two.)

A. has higher attenuation that multimode fiber

B. consists of a single strand of glass fiber

C. carries a higher bandwidth that multimode fiber

D. operates over less distance than multimode fiber

E. costs less than multimode fiber

Discussion 0

Correct Answer: B,C Vote an answer

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Question #14

From the enable mode, which command loads the configuration during the password recovery process on a Cisco router?

A. copy startup-config running-config

B. configure terminal

C. copy running-config startup-config

D. load_helper

Discussion 0

Correct Answer: A Vote an answer

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Question #15

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

A. subscriber

B. crossover

C. Lucent

D. multidimension

E. rollover

Discussion 0

Correct Answer: A,C Vote an answer

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Question #16

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

A. Keepalives are not being received by the local device.

B. There is a Layer 2 mismatch in the encapsulation type.

C. The Ethernet interface has been manually disabled.

D. The Ethernet cable might not be attached properly.

E. There is a speed or duplex mismatch with the remote device.

Discussion 0

Correct Answer: B,E Vote an answer

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