Wireshark Certified Network Analyst WCNA Real Dumps Questions

1. UDP is a connection oriented protocol

2. What is the use of HTTP GET method?

3. Which of the following interfaces can not be used as a capture interface in Wireshark?

4. Wireshark can decrypt SSL traffic without any decryption key.

5. Wireshark can decode NetFlow Packets

6. What is the purpose of Network Analysis?

7. Choose a troubleshooting task performed by a Network Analyst?

8. Which interface is showing traffic as per below image of Wireshark software?

9. Which link should be tapped to access and monitor a network?

10. What is the purpose of installing a tap in the network?

11. Automatic packet capture to one or more files feature is available in Wireshark

12. Choose a correct filter expression to filter packets with source port 21 for below image

13. Identify the capture filter for ipv4 address 192.168.0.104

14. Mark the capture filter for HTTP traffic

15. What should be the correct capture filter for ‘non HTTPS & non POP3 traffic’ to/from www.google.com?

16. There is a filter expression for displaying packets having IP address 192.168.0.104 with TCP Port 80, find the masked/hidden operator for applied filter expression in below image:-

17. What is the use of ARP protocol in the network?

18. Which function in Wireshark provides the summary of IPv4 and IPv6 packets?

19. Which of the following attributes does not belong to TCP?

20. What is the purpose of using Display Filters in Wireshark?

21. What is the significance of || operator in a display filter expression in Wireshark?

22. The speed for TCP is faster than UDP

23. Where can you find this information in Wireshark which is shown in below image?

24. Identify an Application layer protocol in the below image

25. What is the role of RTP protocol?

26. Identify a private IP in this image

27. Which UDP Port in below image belongs to user traffic of a VoIP session?

28. Choose a display filter expression for the packets displayed in the below image

29. Identify the protocol in the below image which allows Internet users and network devices discover websites using human-readable hostnames, instead of numeric IP addresses.

30. What is the transport layer protocol and port used by Telnet?

31. Where can you find ‘Expert Information’ function in Wireshark?

32. If the Client initiates the Data connection, the FTP connection is

33. Layer 4 port for RTP is fixed

34. What is the type of IP addresses in the below image?

35. Session Description Protocol belongs to which layer?

36. Ethertype 0x86dd belongs to which type of packets?

37. What is the destination MAC address in below image:

38. What signaling protocol is used by Skype?

39. What is the purpose of DHCP Protocol?

40. What is the HTTP error code for ‘forbidden’?

41. What is the usual TCP header size?

42. Where we can find URI for a VoIP call?

43. HTTPS is a layer ------ Protocol?

44. Where can we do protocol specific settings in Wireshark?

45. What is the purpose of IP?

46. Where can we find the details of malformed packets in Wireshark?

47. Where can we find the details of Dropped Packets in Wireshark?

48. What Time Display Formats are available in Wireshark?

49. HTTPS is supported over UDP

50. What size of address space is supported by IPv6?

51. What's the terminal based Wireshark called?

52. TCP Splicing involves recomputing checksum

53. What does Type 5 indicate in below image?

54. What is the impact of congestion in a network?

55. What is a network baseline?

56. What can be the length of payload for packet no. 19 in below image?

57. Which capture mode can be used to limit the maximum disk usage by keeping the latest captured data?

58. Each fragment of a fragmented IP Packet has different identification value.

59. Which of the following is not a part of Wireshark's command line tools?

60. How many handshakes are involved while establishing a TCP connection?

61. This OS fingerprinting includes sending traffic to the system in question.

62. What are unassigned IP addresses also called?

63. Specify the count of Bytes for an unknown protocol from the below image.

64. Active OS Fingerprinting can be done with Wireshark.

65. This is a key parameter for TraceRoute, Identify this parameter.

66. Which protocol is used by Traceroute?

67. Wireshark can be setup on a Cisco Router

68. What is the default protocol used by linux traceroute program?

69. Which pane of Wireshark displays information in the HEX and ASCII format for each packet?

70. How many layers are there in TCP/IP model?

71. SSH is layer 4 Protocol

72. The performance of Wireshark capture is directly proportional to size of the packets.

73. There is no impact of packet loss and jitter on the quality of a VoIP call.

74. Which of the following is not a type of HTTP response codes?

75. Choose a correct syntax for filtering and displaying a TCP packet having word "string"

76. Which method is used by Wireshark to detect TCP re-transmission?

77. Slow start was implemented to optimize TCP performance as it relates to

78. TTL is a field in IPv4, what is the corresponding field to TTL in IPv6?

79. DDoS attacks and HTTP Flood are characterized by a SYN flood

80. Which IP addresses are routed on the internet?