21. Which tcpdump command outputs detailed packet information?
- sudo tcpdump -v any -iÂ
- sudo tcpdump -i any -v
- sudo tcpdump -i any -c 100
- sudo tcpdump -i any -n
22. Examine the following tcpdump output:
22:00:19.538395 IP (tos 0x10, ttl 64, id 33842, offset 0, flags [P], proto TCP (6), length 196) 198.168.105.1.41012 > 198.111.123.1.61012: Flags [P.], cksum 0x50af (correct), seq 169, ack 187, win 501, length 42
What is the source IP address?
- 22:00:19.538395
- 198.111.123.1
- 198.168.105.1
- 41012
23. Why is network traffic monitoring important in cybersecurity? Select two answers.
- It provides a method of classifying critical assets.
- It helps detect network intrusions and attacks
- It helps identify deviations from expected traffic flows.
- It provides a method to encrypt communications.
24. What information do packet headers contain? Select three answers.
- Protocols
- Payload data
- IP addresses
- Ports
25. Fill in the blank: Network protocol analyzers can save network communications into files known as a _____.
- protocol
- packet capture
- payload
- network packet
26. Which layer of the TCP/IP model does the Internet Protocol (IP) operate on?
- Internet
- Application
- Transport
- Network Access
27. Examine the following tcpdump output:
22:00:19.538395 IP (tos 0x10, ttl 64, id 33842, offset 0, flags [P], proto TCP (6), length 196) 198.168.105.1.41012 > 198.111.123.1.61012: Flags [P.], cksum 0x50af (correct), seq 169, ack 187, win 501, length 42
Which protocols are being used? Select two answers.
- TOS
- UDP
- IP
- TCP
28. What are some defensive measures that can be used to protect against data exfiltration? Select two answers.
- Utilize lateral movement
- Monitor network activity
- Deploy multi-factor authentication
- Reduce file sizes
Shuffle Q/A 3
29. Network protocol analyzer tools are available to be used with which of the following? Select two answers.
- Network interface card
- Internet protocol
- Graphical user interface
- Command-line interface
30. Which IPv4 header fields involve fragmentation? Select three answers.
- Flags
- Identification
- Type of Service
- Fragment Offset