200-401 Online Practice Questions and Answers

What are the two most relevant factors in determining the class of administration that is required to maintain the telecommunications infrastructure? (Choose two.)

A. the size of the infrastructure

B. the complexity of the infrastructure

C. the age of the infrastructure

D. the industry that the infrastructure supports

E. the physical environment of the infrastructure

According to the Purdue Reference Model, at which layer would you perform manufacturing operations and control?

A. Level 0

B. Level 1

C. Level 2

D. Level 3

E. Level 4

An administrator has connected devices to an industrial switch and, for security reasons, wants the dynamically learned MAC addresses from the address table added to the running configuration. What must be done to accomplish this?

A. Enable port security and use the keyword sticky.

B. Set the switchport mode to trunk and save the running configuration.

C. Use the switchport protected command to have the MAC addresses added to the configuration.

D. Use the no switchport port-security command to allow MAC addresses to be added to the configuration.

Exhibit:

Refer to the exhibit. An industrial ruggedized network device needs to be installed in the place of the icon labeled Network Device to accommodate a leased line attachment to the Internet. Which network device and interface configuration meets the minimum requirements for this installation?

A. a router with two Ethernet interfaces

B. a switch with two Ethernet interfaces

C. a router with one Ethernet and one serial interface

D. a switch with one Ethernet and one serial interface

E. a router with one Ethernet and one modem interface

Which option best describes a mechanical, ingress, climatic, chemical and electromagnetic environment that is classified as M3 I3 C3 E3?

A. the highest quality

B. office environment

C. severe

D. serviced by multiple cable segments

What are two symptoms of duplex mismatch? (Choose two.)

A. Ping does not return from one direction versus the other direction.

B. Communication is slow and locks up.

C. Speed is seen equally slow in both directions.

D. The half-duplex side sees frame sequence errors or runt frames.

E. The full-duplex side sees CRC errors.

What is the leading cause of fiber-optic link failure?

A. contaminants

B. crushed fiber

C. poor testing practices

D. bad connectors

Exhibit:

Refer to the exhibit. The output that is shown is generated at an industrial switch. Which three statements are true? (Choose three.)

A. All ports will be in a state of discarding, learning, or forwarding.

B. Thirty VLANs have been configured on this switch.

C. The bridge priority is lower than the default value for spanning tree.

D. All interfaces that are shown are on shared media.

E. All designated ports are in a forwarding state.

F. This switch must be the root bridge for all VLANs on this switch.

What is a reason to use user EXEC mode on an industrial switch?

A. to verify commands that you have entered

B. to change terminal settings

C. to configure VLAN parameters

D. to configure parameters that apply to the entire switch

How does the optical time domain reflectometer use "backscattered" light to make measurements?

A. It uses pulses to locate and test for sheath faults, damaged conductors, loose connectors, splices, bridge taps, split pairs, and other problems.

B. It performs wiremapping to measure that all pins are correctly connected.

C. It correlates the returned light pulses with a location in the fiber.

D. It measures light-pulse width to measure that all pins are correctly connected.