MCyber_Chap20N21

Which type of security data can be used to describe or predict network behavior?

• Alert
• Session
• Statistical
• Transaction

Answer explanation

Statistical data is created through the analysis of other forms of network data.

Conclusions from these analyses can be used to describe or predict network behavior.

Which Windows tool can be used to review host logs?

• Services
• Event Viewer
• Task Manager
• Device Manager

Answer explanation

Event Viewer in Windows can be used to review entries in various logs.

What are two popular SIEM platforms? (Choose two.)

• Splunk
• Netflow
• Tcpdump
• Cisco Umbrella
• Security Onion with ELK

Answer explanation

Security Information and Event Management (SIEM) is a technology that provides real-time reporting and long-term analysis of security events.

Two SIEM platforms used by organizations are Splunk and Security Onion with ELK.

What is a feature of the tcpdump tool?

• It records metadata about packet flows.
• It uses agents to submit host logs to centralized management servers.
• It can display packet captures in real time or write them to a file.
• It provides real-time reporting and long-term analysis of security events.

Answer explanation

The tcpdump command line tool is a packet analyzer that captures detailed packet protocol and content data.

It can display packet captures in real time or write them to a file.

Which type of data is used by Cisco Cognitive Intelligence to find malicious activity that has bypassed security controls, or entered through unmonitored channels, and is operating inside an enterprise network?

• Statistical
• Session
• Alert
• Transaction

Answer explanation

Cisco Cognitive Intelligence utilizes statistical data for statistical analysis in order to find malicious activity that has bypassed security controls, or entered through unmonitored channels (including removable media), and is operating inside the network of an organization.

What are two of the 5-tuples? (Choose two.)

• IPS
• Source port
• IDS
• ACL
• Protocol

Answer explanation

The components of a 5-tuple include a

1) Source IP address,

2) Port number,

3) Destination IP address ,

4) Port number,

5) Protocol in use.

Which statement describes the tcpdump tool?

• It is a command line packet analyzer.
• It is used to control multiple TCP-based applications
• It accepts and analyzes data captured by Wireshark.
• It can be used to analyze network log data in order to describe and predict network behavior.

Answer explanation

The tcpdump command line tool is a popular packet analyzer.

It can display packet captures in real time or write packet captures to a file.

Which Windows host log event type describes the successful operation of an application, driver, or service?

• Error
• Warning
• Information
• Success Audit

Answer explanation

Various Windows host logs can have different event types.

The Information event type records an event that describes the successful operation of an application, driver, or service

Which statement describes an operational characteristic of NetFlow?

• NetFlow collects basic information about the packet flow, not the flow data itself.
• NetFlow captures the entire contents of a packet.
• NetFlow flow records can be viewed by the tcpdump tool.
• NetFlow can provide services for user access control.

Answer explanation

NetFlow does not capture the entire contents of a packet.

Instead, NetFlow collects metadata, or data about the flow, not the flow data itself. NetFlow information can be viewed with tools such as nfdump and FlowViewer.

Which Windows log records events related to login attempts and operations related to file or object access?

• Setup logs
• Security logs
• Application logs
• System logs

Answer explanation

On a Windows host, security logs record events related to security, such as login attempts and operations related to file or object management and access.