Q3. Which layers of the OSI model does Wireshark capture data from?
Application and Presentation
Session and Transport
Physical, Data Link, Network, Transport, and sometimes Application
None, Wireshark only captures data from the network layer
Q4. What is a packet in Wireshark?
A network device used to route traffic
A type of encryption algorithm
A unit of data transmitted over a network
A graphical representation of network traffic
Q5. How do you filter captured packets in Wireshark?
By adjusting the network interface settings
By rearranging packets in the capture buffer
By using display filters based on specific criteria such as IP addresses, protocols, or port numbers
By changing the color scheme of the packet display
Q6. What is the purpose of Wireshark's "Follow TCP Stream" feature?
To send TCP packets to a different destination
To analyze UDP packet streams
To reconstruct and display the entire conversation between client and server for a specific TCP connection
To filter out TCP traffic from the capture
Q7. How do you save captured packets in Wireshark?
By exporting packets to an Excel spreadsheet
By printing packets directly from Wireshark
By saving the capture file in a supported format such as PCAP or PCAPNG
By copying and pasting packets into a text document
Q8. What is the purpose of Wireshark's "Expert Info" feature?
To provide tutorials and guides on network troubleshooting
To encrypt captured packets for secure transmission
To provide analysis and insights into potential network issues, such as packet retransmissions or protocol errors
To generate reports on network traffic trends
Q9. How do you analyze packet timing in Wireshark?
By measuring the physical distance between network devices
By analyzing the content of packet payloads
By examining the timestamps and delta times between captured packets
By adjusting the capture buffer size
Q10. What is a dissector in Wireshark?
A tool for capturing network traffic
A type of network switch
A plugin or module responsible for interpreting and analyzing specific network protocols, such as HTTP or TCP
A device used to boost signal strength in wireless networks
Q11. How do you analyze HTTP traffic in Wireshark?
By inspecting packet payloads for HTTP headers
By analyzing packet timing between HTTP requests and responses
By applying a display filter for the HTTP protocol or using Wireshark's "Follow TCP Stream" feature
By running a network speed test within Wireshark
Q12. What is Wireshark's "Packet List" pane used for?
To display network interface settings
To organize captured packets by source and destination IP addresses
To provide a chronological list of captured packets, including details such as source and destination addresses, protocols, and packet sizes
To visualize network traffic using graphical representations
Q13. How do you capture packets from a specific network interface in Wireshark?
By analyzing packet payloads for source and destination addresses
By adjusting the capture buffer size
By selecting the desired network interface from the capture options menu
By applying display filters for specific IP addresses
Q14. What is Wireshark's "Follow UDP Stream" feature used for?
To analyze TCP packet streams
To encrypt UDP packets for secure transmission
To reconstruct and display the entire conversation between client and server for a specific UDP connection
To filter out UDP traffic from the capture
Q15. What is Wireshark's "Conversations" feature used for?
To chat with other users on the network
To create voice and video calls
To display statistics and details about network conversations between hosts, including the number of packets exchanged, packet sizes, and protocols used
To synchronize captured packets with a remote server
Q16. How do you analyze DNS traffic in Wireshark?
By analyzing packet payloads for DNS server addresses
By adjusting the network interface settings
By applying a display filter for the DNS protocol or using Wireshark's "Follow UDP Stream" feature for DNS traffic
By running a ping test within Wireshark
Q17. What is
the purpose of Wireshark's "Protocol Hierarchy" feature?
To organize captured packets by their physical layer protocols
To generate a hierarchical diagram of network topologies
To provide a breakdown of captured packets by protocol type, showing the distribution and usage of different protocols within the captured traffic
To encrypt captured packets for secure transmission
Q18. How do you analyze SSL/TLS encrypted traffic in Wireshark?
By decrypting the packets using a built-in encryption key
By adjusting the capture buffer size
By configuring Wireshark to capture SSL/TLS keys or certificates and using them to decrypt the encrypted traffic
By filtering out SSL/TLS traffic from the capture
Q19. What is the purpose of Wireshark's "Expert Info" pane?
To display real-time network performance metrics
To provide suggestions for improving network security
To highlight potential network issues or anomalies detected during packet analysis, such as packet retransmissions or protocol errors
To visualize network traffic patterns using graphical representations
Q20. How do you analyze TCP window size in Wireshark?
By adjusting the network interface settings
By analyzing packet payloads for TCP header information
By examining the TCP window size field in TCP packet headers and analyzing its changes over time