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4_1_5 Section 4 – Operations and Incident Response - 4.1 – Security Tools - Packet Tools

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Questions and Answers

What is the primary benefit of using Wireshark in network security?

To view and decode packets for network analysis (correct)
To configure network firewalls
To encrypt network data
To block malicious traffic

What type of networks can Wireshark capture information from?

Wireless networks only
Ethernet networks only
Virtual private networks only
Both ethernet and 802.11 wireless networks (correct)

What information can be obtained from packet capture using Wireshark?

Destination IP address and timestamp only
Source IP address and protocol only
Only packet sequence numbers
Source IP address, destination, protocol, and packet contents (correct)

Why is it important to capture packets in network security?

To document attacker activity on the network (D) Signup and view all the answers

What is the protocol referred to as 'simple service discovery protocol' in Wireshark?

SSDP (A) Signup and view all the answers

What can be done with each packet in Wireshark?

Select and view the packet details (C) Signup and view all the answers

What is the primary function of Wireshark?

To capture and analyze network packets (D) Signup and view all the answers

What is the advantage of saving captured packets in a file?

To have documentation for later reference (C) Signup and view all the answers

What is the purpose of tcpdump?

To perform protocol analysis from the command line (C) Signup and view all the answers

What is the benefit of using Tcpreplay?

To test security devices and firewall rules (A) Signup and view all the answers

Why might someone use Tcpreplay to test a firewall?

To see if the firewall allows or denies access to certain traffic (B) Signup and view all the answers

What is the advantage of using tcpdump over Wireshark?

tcpdump can be used from the command line (B) Signup and view all the answers

What type of traffic can be sent using Tcpreplay?

Any type of traffic captured using tcpdump or Wireshark (C) Signup and view all the answers

Why might someone use Tcpreplay to stress test a network device?

To test the device's performance under high traffic loads (A) Signup and view all the answers

What type of information is displayed when running tcpdump?

Decodes of network packets, including broadcasts and multicasts (C) Signup and view all the answers

What is the purpose of using elevated permissions when running tcpdump?

To ensure the ability to capture packets (C) Signup and view all the answers

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