Best Quality Cisco 100-490 Test Questions Online

NEW QUESTION 1
Which type of physical connector does a Gigabit Ethernet port typically use?

• A. RJ-9
• B. RJ-45
• C. DB-25
• D. RJ-11

Answer: B

NEW QUESTION 2
Which command displays information about the carrier network, cell site, and available service?

• A. show cellular unit network
• B. show cellular unit radio
• C. show cellular unit hardware
• D. show cellular unit profile

Answer: A

NEW QUESTION 3
Which two statements about a SmartJack are true? (Choose two.)

• A. It provides signal conversion.
• B. It acts as a concentration point for dial-in and dial-out connections.
• C. It operates at Layer 2 of the OSI model.
• D. It provides channel testing.
• E. It regenerates the signal to compensate for signal degradation from line transmission.

Answer: AE

NEW QUESTION 4
What are two purposes of a USB thumb drive? (Choose two.)

• A. to save the system log
• B. to copy configuration files to and from a PC
• C. to save router hardware information
• D. to copy IOS images to and from a PC
• E. to increase system memory size

Answer: BD

NEW QUESTION 5
Which set of steps best describes how to assign a static IP address to the Ethernet port on a computer?

• A. From the Network and Sharing Center, click Internet Protocol (TCP/IP), and follow the New Connection Wizard instructions.
• B. From the Network and Sharing Center, click Change adapter, then double-click a local area connectio
• C. Select Internet Protocol (TCP/IP) > Properties > Use the Following Address, and then configure the IP information.
• D. Click Star
• E. Enter cmd and click O
• F. Enter the IP address XXX.XXX.XXX.XXX.
• G. From the Network and Sharing Center, double-click Local Area Connectio
• H. Select Properties > iPass Protocol (IEEE 802.1x) > Properties > Static IP.

Answer: B

NEW QUESTION 6
Which command sends an echo request packet to the target host and then waits for an echo response message?

• A. echo
• B. access
• C. ping
• D. connect

Answer: C

NEW QUESTION 7
Which address facilitates the routing of packets over an IP network?

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

Answer: C

NEW QUESTION 8
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. ESD wrist strap
• D. negative static mat
• E. antistatic bag
• F. latex gloves

Answer: BCE

NEW QUESTION 9
At the interface configuration prompt, which command returns you to the main configuration prompt?

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

Answer: D

NEW QUESTION 10
Which two commands are valid for copying a saved configuration to RAM? (Choose two.)

• A. copy startup-config running-config
• B. copy running-config startup-config
• C. copy tftp running-config
• D. copy running-config tftp
• E. copy tftp startup-config

Answer: AC

NEW QUESTION 11
Which command provides detailed information about the components that are installed on a router, such as the model, PID, and serial number?

• A. show chassis
• B. show items
• C. show inventory
• D. show router

Answer: C

NEW QUESTION 12
What is the line speed of a DS0 in North America?

• A. 16 kbps
• B. 32 kbps
• C. 64 kbps
• D. 128 kbps

Answer: C

NEW QUESTION 13
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

NEW QUESTION 14
Which two features are associated with single-mode fiber-optic cable? (Choose two.)

• A. consists of a single strand of glass fiber
• B. has higher attenuation that multimode fiber
• C. carries a higher bandwidth that multimode fiber
• D. costs less than multimode fiber
• E. operates over less distance than multimode fiber

Answer: AC

NEW QUESTION 15
Which two pieces of information are displayed when you use the show ip interface brief command? (Choose two.)

• A. Layer 2 address
• B. keepalive
• C. Layer 3 address
• D. encapsulation type
• E. interface status

Answer: CE

NEW QUESTION 16
The colored wires at one end of a cable are in reverse sequence to the colored wires at the other end of the cable. Which cable does this configuration describe?

• A. rolled
• B. crossover
• C. coaxial
• D. straight-through

Answer: B

NEW QUESTION 17
From the enable mode, which command loads the configuration during the password recovery process on a Cisco router?

• A. load_helper
• B. configure terminal
• C. copy running-config startup-config
• D. copy startup-config running-config

Answer: D

NEW QUESTION 18
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: AC

NEW QUESTION 19
Cisco NX-OS has added the ability to use which type of custom scripting to help manage user networks?

• A. C++
• B. Collective
• C. SQL
• D. Python

Answer: D

NEW QUESTION 20
Which two pieces of information about a neighboring device are displayed when you use the CLI command show cdp neighbor? (Choose two.)

• A. platform
• B. uptime
• C. device ID
• D. Cisco IOS Software version
• E. IP address

Answer: AC

NEW QUESTION 21
Which two Cisco Nexus 3400 Series switches support 400-Gbps Ethernet ports? (Choose two.)

• A. Cisco Nexus 34180YC
• B. Cisco Nexus 34200YC-SM
• C. Cisco Nexus 3432D-S
• D. Cisco Nexus 3408-S
• E. Cisco Nexus 3464C

Answer: CD

NEW QUESTION 22
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