100-490 Online Practice Questions and Answers

Which device is a DTE device?

A. CSU/DSU

B. router

C. cable modem

D. DSL modem

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 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 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 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

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.

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

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

TFTP is a simple protocol for transferring files, such as a Cisco IOS or configuration file, from one device to another. Which device can be configured as a TFTP server?

A. Cisco Content Engine

B. modem

C. Cisco router

D. CSU/DSU

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