100-490 Online Practice Questions and Answers

What are two components of a WAN connection? (Choose two.)

A. CSU/DSU

B. router

C. bridge

D. hub

E. switch

Which device is a DTE device?

A. CSU/DSU

B. router

C. cable modem

D. DSL modem

Which two pairs of LAN Ethernet devices use an RJ-45 straight-through cable? (Choose two.)

A. switch-to-switch

B. switch-to-router

C. switch-to-hub

D. router-to-router

E. switch-to-server

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

A. 16 kbps

B. 32 kbps

C. 64 kbps

D. 128 kbps

Which type of memory stores the configuration of a router or switch by default?

A. RAM

B. ROM

C. NVRAM

D. flash

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

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

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

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

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

What is the Windows-based program that executes the ping command to test network connectivity?

A. cmd

B. Find

C. Start

D. ipconfig

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

What is the primary method for recovering or upgrading a Cisco network device system image?

A. USB storage

B. FTP

C. the tftpdnld command

D. the xmodem command

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