CHFI - Chapter 7 (Network Forensics)
Practice Questions with 100% Verified
Solutions
The Data link layer in the OSI model maps to which layer in the TCP model? - ✔✔Network
This TCP layer contains protocols such as Internet Protocol (IP), Internet Control Message
Protocol (ICMP), Address Resolution Protocol (ARP), Internet Group Management
Protocol (IGMP), - ✔✔Internet
This TCP layer contains protocols such as Frame Relay, SMDS, Fast Ethernet, SLIP,
PPP, FDDI, ATM, Ethernet, ARP, etc - ✔✔Network
This TCP layer uses many protocols, among which Transmission Control Protocol (TCP) and
User Datagram Protocol (UDP) are the most widely used. TCP is preferable in case of
reliable connections, while UDP can handle non-reliable connections. - ✔✔Transport
This NIST standard is the primary source of recommended security controls for
Federal agencies. - ✔✔NIST SP 800-53
This Act requires financial institutions—companies that offer consumers financial products or
services such as loans, financial or investment advice, or insurance—to protect their
customers' information against security threats. - ✔✔GLBA / Gramm-Leach-Bliley Act
, This NIST publication, An Introductory Resource Guide for Implementing the Health Insurance
Portability and Accountability Act (HIPAA) Security Rule, lists HIPAA-related log
management needs. - ✔✔NIST SP 800-66
This is a proprietary information security standard for organizations that handle
cardholder information for the major debit, credit, prepaid, e-purse, ATM, and POS cards.
- ✔✔The Payment Card Industry Data Security Standard (PCI DSS)
Logs instituted after an incident has commenced do not qualify under which exception? - ✔✔the
business records exception
This is a technique used to assign a new meaning for relating a set of events that occur in a
fixed amount of time. - ✔✔Event correlation
This technique refers to missing events related to systems that are downstream of a failed system.
It avoids the events that cause the system to crash or fail. - ✔✔Event masking
After the data is gathered, it must be formatted again from different log formats to a single
or polymorphic log that can be easily inserted into the database. What is this process called?
- ✔✔Normalization
This correlation method checks and compares all the fields systematically and intentionally
for positive and negative correlation with each other to determine the correlation across one or
multiple fields. - ✔✔Automated Field Correlation
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