Cisco 200-201 Practice Test - Questions Answers, Page 13

Theuser-agentHTTP header field is used in forensics to identify the type of browser used. It contains a characteristic string that allows network protocol peers to identify the operating system and browser of the web-server.This information is crucial in forensic analysis as it can provide insights into the client's environment1.

The Uniform Resource Identifier (URI) is used to identify specific resources on the internet, including files. In the context of HTTP GET requests, the URI specifies the path to the file being requested.

Traffic tapping involves replicating network traffic and sending it to a separate port where it can be analyzed without affecting the original traffic flow. This allows security analysts to monitor and analyze traffic for potential threats without the risk of blocking legitimate traffic.

Deep packet inspection (DPI) is a sophisticated method of examining the content of data packets as they pass through a network checkpoint, including both the header and the data payload. DPI is typically performed at the application layer of the Open Systems Interconnection (OSI) model.This allows the inspection process to evaluate the actual content of the packets, not just the header information, enabling the identification of various types of threats and the enforcement of network policies1.

Inline traffic interrogation analyzes traffic in real time and has the ability to prevent certain traffic from being forwarded Traffic mirroring doesn't pass the live traffic instead it copies traffic from one or more source ports and sends the copied traffic to one or more destinations for analysis by a network analyzer or other monitoring device

https://docs.microsoft.com/en-us/troubleshoot/windows-server/performance/windows-registry-advanced-users

Packet number 2318 is the one that contains a file that is extractable within Wireshark.This can be determined by the information provided in the packet details, which typically includes an HTTP GET request indicating the retrieval of a file, such as an image or document1.

The regex[az]+matches one or more lowercase letters from a to z.The plus sign (+) indicates that the preceding character set[az]can appear one or more times, thus matching strings of only lowercase letters1.

Network Address Translation (NAT) is the technology that allows a single IP address to send and receive traffic for multiple devices by modifying the IP header.NAT remaps one IP address space into another, enabling multiple devices to use a single public IP address to send and receive packets through the Internet2.