4_3_3 Section 4 – Operations and Incident Response - 4.3 – Investigations- Log Management
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Questions and Answers

What type of information can be obtained from a log file on a switch?

  • Interface status and security information (correct)
  • Application setup information
  • File system details
  • Router updates

What type of attack is being blocked by the switch for 60 seconds?

  • Denial of Service (DoS)
  • TCP SYN flood
  • TCP SYN traffic (correct)
  • Authentication attack

What type of devices can provide feedback about network activity?

  • Switches, routers, firewalls, VPN concentrators, and other devices (correct)
  • Only routers and switches
  • Only firewalls and VPN concentrators
  • Only operating systems

What type of information can be collected from Windows operating system logs?

<p>Application, setup, system, forwarded events, and security events (C)</p> Signup and view all the answers

Why is it important to analyze log files from network devices?

<p>To identify potential security threats and network issues (D)</p> Signup and view all the answers

What type of issues may occur with VPN concentrators?

<p>Authentication issues (A)</p> Signup and view all the answers

Where can you find application log information in a Windows operating system?

<p>Event Viewer under Application log (A)</p> Signup and view all the answers

What type of information can you gather from security devices connected to your network?

<p>Information about network traffic flows (C)</p> Signup and view all the answers

What type of attacks can be identified from a web application firewall log?

<p>Cross-site scripting attacks and SQL injections (D)</p> Signup and view all the answers

What is the primary emphasis of this course?

<p>Security (B)</p> Signup and view all the answers

Where can you find log entries in a Linux operating system?

<p>/var/log (A)</p> Signup and view all the answers

What can you do with log files from different security devices?

<p>Correlate them with other log files (B)</p> Signup and view all the answers

What type of information can you gather from a web server log?

<p>Information about website access and errors (D)</p> Signup and view all the answers

What is the purpose of a SIEM (Security Information and Event Manager)?

<p>To consolidate log files from different security devices (A)</p> Signup and view all the answers

What type of information can you gather from a DNS server log?

<p>Information about DNS queries (B)</p> Signup and view all the answers

What can you learn from a firewall log?

<p>Information about traffic flows that have been allowed or blocked (A)</p> Signup and view all the answers

What can be viewed from the IP address of a request and many log files?

<p>The fully-qualified domain name of the request (A)</p> Signup and view all the answers

What can be done if a device is attempting to resolve a known malicious site?

<p>Block the attempt and identify the potentially infected device (C)</p> Signup and view all the answers

What information can be found in an authentication log file?

<p>The account name, source IP address, and authentication method used (C)</p> Signup and view all the answers

What is the purpose of correlating authentication log files with other log files?

<p>To identify the causes of authentication failures and potential security threats (B)</p> Signup and view all the answers

What is the purpose of a memory dump file?

<p>To resolve application problems and locate issues (A)</p> Signup and view all the answers

How can a memory dump file be created in Windows?

<p>Using the Task Manager to create a dump file (B)</p> Signup and view all the answers

What type of information can be viewed from Call Manager logs?

<p>Inbound and outbound call information and endpoint details (A)</p> Signup and view all the answers

What can be created from multiple log files to show authentication attempts across the network?

<p>A single report showing all authentication attempts (D)</p> Signup and view all the answers

What is a potential indicator of a brute force attack?

<p>Multiple failed authentication attempts from the same IP address (D)</p> Signup and view all the answers

What is a benefit of consolidating log files into a single SIEM?

<p>It allows for easier identification and analysis of security threats (B)</p> Signup and view all the answers

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