Computer scientists break the movement of information from raw electrical voltage changes to humanly readable information as a series of abstraction layers. Which of the following is one of these abstraction layers?
a. Voltage fluctutations
b. Changes in magnetic energy on the surface of a hard disk
c. Character sets
d. Binary streams
e. All of the above
e.
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Match each term with the correct statement below.
A. Enables a Windows Server 2008 server with DHCP services to detect the presence of a new workstation and assign an IP address to that workstation. B. Tables that are associated with partitions in a DNS server C. Used to provide fast queries because the results of each query are stored in RAM D. Enables IP communications to be secured through authentication certificates and by encrypting data E. Has only the bare necessities for DNS functions F. A resource record to enable a DNS server to quickly find an authoritative DNS server in a zone that is not on the DNS server G. Used to register NetBIOS computer names and map them to IP addresses for any systems that use NetBIOS name resolution H. Uses messages and other means to discover the physical addresses and much more about computers and routers on a network I. A range of contiguous addresses
________ are SNMP messages sent from the network device (agent) that also list the state of an MIB variable
A) Frames B) Envelopes C) Datagrams D) Traps
____ from Technology Pathways is a forensics data analysis tool. You can use it to acquire and analyze data from several different file systems.
a. Guidance EnCase b.NTI SafeBack c. DataArrest SnapCopy d. ProDiscover Basic
The relational model describes data using a standard tabular format; all data elements are placed in three-dimensional tables called relations, which are the logical equivalent of files.
Answer the following statement true (T) or false (F)