100-490 Online Practice Questions and Answers
Which command shows the status of power supplies and sensor temperatures?
A. show hardware
B. show module
C. show environment
D. show diag
Refer to the exhibit. Which two statements about the hardware components are true? (Choose two.)
A. 2 is an RJ-45 to USB Type A console cable.
B. 3 is a USB Type A port.
C. 3 is a USB 5-pin mini USB Type B port.
D. 1 is a USB Type A port.
E. 2 is a USB 5-pin mini USB Type B to USB Type A console cable.
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 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 port on a laptop is used to connect to an Ethernet port on a Cisco switch?
A. DVI
B. RJ-11
C. DB-9
D. RJ-45
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
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
Which type of port is used to connect a laptop to an Ethernet port on a Cisco router?
A. rollover
B. fiber
C. straight-through
D. crossover