Exam 21: Network Basics for Digital Investigators

Mobile telephones can be used to locate the person using them.

Another name for a hub is:

When a Windows system connects to a shared folder on another Windows machine on the Internet, which of the following protocols are used?

Which of the following is a Layer 2 address?

Which of the following is a wireless protocol?

Air is a network (Layer 3) medium for transmitting data.

A switch prevents eavesdropping on a network.

Ethernet uses which of the following technologies?

Individuals who can access the physical layer have unlimited access to all of the data on the network unless it is encrypted.

The OSI reference model divides Internets into seven layers. Choose the correct order, by layer.

Child pornographers are connecting to the home networks of innocent individuals via insecure wireless access points. How can this help or hinder a digital investigation?

In Figure 21.13, identify each layer and describe its purpose.

It is possible to reconstruct events surrounding a crime scene using only evidence on networks when the subject's hard drive is not available.

MAC addresses are uniquely associated with an NIC whereas IP addresses can be changed.

Capturing network traffic at the physical layer gives investigators access to application layer data such as web pages viewed and images downloaded.

An understanding of networks helps with which of the following:

A hub joins hosts at the physical level whereas a switch joins them at the__________ layer.

An understanding of networks is only necessary for investigating computer intrusions and Denial Of Service attacks.

TCP addresses can be used to track down an offender.

TCP connections only carry data in one direction.