100-490 Online Practice Questions and Answers

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

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

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

A. SFP+

B. GBIC

C. QSFP+

D. XFP

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.

Which two commands set the configuration register value? (Choose two.)

A. rommon>confreg 0x2102

B. router(config)#confreg 0x2102

C. rommon>config-register 0x2102

D. router(config)#configuration-register 0x2102

E. router(config)#config-register 0x2102

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

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

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

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

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

C. The Ethernet interface has been manually disabled.

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

E. The Ethernet cable might not be attached properly.

Which command initiates the copying of a Cisco IOS image to a Cisco device?

A. copy tftp nvram

B. copy tftp flash

C. copy flash tftp

D. copy xmodem flash

Which command initiates the transfer of a Cisco IOS image over IP from ROMMON?

A. Xmodem

B. copy tftp: flash:

C. copy flash: tftp:

D. tftpdnld