100-490 Online Practice Questions and Answers

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

Which command shows the status of power supplies and sensor temperatures?

A. show hardware

B. show module

C. show environment

D. show diag

Which Cisco CPAK 100GBASE module supports Multimode Fiber cable?

A. Cisco CPAK-100G-CWDM4

B. Cisco CPAK-100G-LR4

C. Cisco CPAK-100G-ER4L

D. Cisco CPAK-100G-SR4

Which two commands identify the serial number of a Cisco router? (Choose two.)

A. show run

B. show inventory

C. show environment

D. show version

E. show archive

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 bits represent the boot field in the configuration register value?

A. highest two bits

B. lowest two bits

C. highest four bits

D. lowest four bits

Which type of memory stores the decompressed form of Cisco IOS Software and the running configuration?

A. flash

B. ROM

C. NVRAM

D. DRAM

What is the default operating mode when you initially log in to a router?

A. user EXEC

B. global configuration

C. privileged EXEC

D. ROM monitor

When you deploy Cisco Catalyst 3850 Series switches, which two modes of operation can you choose from?

A. Active mode and Standby mode

B. Install mode and Bundle mode

C. Boot mode and Run mode

D. Exec mode and User mode

Which type of Cisco console cable is used to connect a laptop to the console port on a Cisco router?

A. straight-through

B. fiber

C. crossover

D. rollover

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

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

Which method is the fastest way to recover a software version that supports a USB flash port on a Cisco device?

A. tftp command

B. xmodem transfer command

C. copy command with USB memory

D. copy tftp flash: command

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

Which router port is used for dial-in access to the router for CLI management purposes and does not usually pass normal network traffic?

A. Fast Ethernet

B. channelized serial

C. AUX

D. Gigabit Ethernet