ITN Modules 1-3

During a routine inspection, a technician discovered that software that was installed on a computer was secretly collecting data about websites that were visited by users of the computer. Which type of threat is affecting this computer?

• DoS attack​

• identity theft

• spyware

• zero-day attack

Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators?

• Internet

• extranet

• intranet

• extendednet

A large corporation has modified its network to allow users to access network resources from their personal laptops and smart phones. Which networking trend does this describe?

• cloud computing

• online collaboration

• video conferencing

• bring your own device

What is an ISP?

• It is an organization that enables individuals and businesses to connect to the Internet.

• It is a protocol that establishes how computers within a local network communicate.

• It is a standards body that develops cabling and wiring standards for networking.

• It is a networking device that combines the functionality of several different networking devices in one.

An employee at a branch office is creating a quote for a customer. In order to do this, the employee needs to access confidential pricing information from internal servers at the Head Office. What type of network would the employee access?

• a local area network

• an extranet

• the Internet

• an intranet

Answer explanation

Intranet is a term used to refer to a private connection of LANs and WANs that belongs to an organization. An intranet is designed to be accessible only by the organization’s members, employees, or others with authorization.

Which statement describes the use of powerline networking technology?

• New “smart” electrical cabling is used to extend an existing home LAN.

• A device connects to an existing home LAN using an adapter and an existing electrical outlet.

• A home LAN is installed without the use of physical cabling.

• Wireless access points use powerline adapters to distribute data through the home LAN.

Answer explanation

Powerline networking adds the ability to connect a device to the network using an adapter wherever there is an electrical outlet.​ The network uses existing electrical wiring to send data. It is not a replacement for physical cabling, but it can add functionality in places where wireless access points cannot be used or cannot reach devices.​

A networking technician is working on the wireless network at a medical clinic. The technician accidentally sets up the wireless network so that patients can see the medical records data of other patients. Which of the four network characteristics has been violated in this situation?

• fault tolerance

• scalability

• security

• Quality of Service (QoS)

• reliability

Answer explanation

Network security includes protecting the confidentiality of data that is on the network. In this case, because confidential data has been made available to unauthorized users, the security characteristic of the network has failed.

What type of network traffic requires QoS?

• email

• on-line purchasing

• video conferencing

• wiki

Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)

• VTY interface

• console interface

• Ethernet interface

• boot IOS mode

• privileged EXEC mode

Answer explanation

Access to the VTY and console interfaces can be restricted using passwords. Out-of-band management of the router can be restricted in both user EXEC and privileged EXEC modes.

Which interface allows remote management of a Layer 2 switch?

• the AUX interface

• the console port interface

• the switch virtual interface

• the first Ethernet port interface

Answer explanation

In a Layer 2 switch, there is a switch virtual interface (SVI) that provides a means for remotely managing the device.