Wireshark Certified Network Analyst WCNA Real Dumps Questions

The Wireshark Certified Network Analyst WCNA exam proves your in-depth knowledge of TCP/IP and network/protocol analysis for troubleshooting communications, network optimization, network forensics, and security. Try to use the WCNA real dumps questions as the preparation materials now. With all the most current WCNA exam dumps, get the precise answers to the questions with reasonable strategies and decide your accurate capacity. Get prepared using the most straightforward approach of Wireshark Certified Network Analyst WCNA dumps and make sense of the theme inside your genuine WCNA exam questions.

Read Wireshark Certified Network Analyst WCNA Free Demo Questions Below

1. UDP is a connection oriented protocol

True

False

2. What is the use of HTTP GET method?

To send data to a server to create/update a resource

To request data from a specified resource

To collect data from managed devices on IP networks.

Used for electronic mail transmission

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

Bluetooth

Ethernet

Wifi

HDMI

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

True

False

5. Wireshark can decode NetFlow Packets

True

False

6. What is the purpose of Network Analysis?

To identify performance problems

To locate security breaches

Both A & B

None of the above

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

Analysis

Verifying the configuration

Upgrade system networks

All of the above

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

Local Area Connection 9

Bluetooth Network Connection

Ethernet

None of the above

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

Link between two routers

Link between routers and monitoring probe

Link between switch and Network Packet Broker

Link between two monitoring probes

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

Filtering of the traffic

Mirrors the traffic

Provides copy of the network traffic without compromising network integrity

Load balance the traffic

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

True

False

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

udpsrcport ==21

tcpsrcport = 21

udpdst port == 21

tcp.srcport == 21

13. Identify the capture filter for ipv4 address 192.168.0.104

ip == 192.168.0.104

ip.dst == 192.168.0.104

host 192.168.0.104

ip6 192.168.0.104

14. Mark the capture filter for HTTP traffic

http

tcp.port == 80

udpport ==80

tcp port http

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

not https && not pop3 and www.google.com

not https and not pop3 and www.google.com

not port 443 and not port 25 and host www.google.com

not port 443 and not port 110 and host 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:-

or

and

&&

==

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

responsible for gathering various information required for internet communication.

mapping of an IP address to the underlying Ethernet address.

routing protocol for Internet Protocol (IP) networks.

communications protocol between two routers directly without any host or any other networking in between.

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

Analyze

Capture

Telephony

Statistics

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

Rearranges data packets in the order specified

Flow Control

Used by VOIP

Error checking and error recovery

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

Capture desired packets only

Show desired packets only

None of the above

Both A & B

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

And

Not

or

Equal to

22. The speed for TCP is faster than UDP

True

False

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

TCP Stream Graphs

Expert Information

Colorize Packet List

Colorize conversation

24. Identify an Application layer protocol in the below image

BT-uTP

Skype

GVSP

All of the above

25. What is the role of RTP protocol?

Carries signaling packets

Carries user packets

Initiates session between two endpoints

Controls multimedia communication sessions

26. Identify a private IP in this image

192.168.10.116

74.125.8.41

195.178.174

None of the above

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

60977

5060

Both A & B

None of the above

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

sip.method == "ACK"

sip.method == invite

sip.Method == "INVITE"

sip ==INVITE

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.

DNS

TCP

ARP

None of the above

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

TCP 100

UDP 23

UDP 25

TCP 23

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

Analyze

Tools

Statistics

Capture

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

Active

Passive

Can be Active or Passive

None of the above

33. Layer 4 port for RTP is fixed

True

False

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

IPv4

IPv6

IPv4 & IPv6 mixed

None of the above

35. Session Description Protocol belongs to which layer?

Network Layer

Application Layer

Presentation Layer

Transport Layer

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

IPv6

IPv4

ARP

GRE

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

ff02::16

08:00:27:0b:17:ba

33:33:00:00:00:16

Fe80::3831:dca3:3317:c4f7

38. What signaling protocol is used by Skype?

SIP

RTP

Proprietary

None of the above

39. What is the purpose of DHCP Protocol?

To send error messages and operational information indicating success or failure when communicating with another IP address.

Dynamic assignment of an IP address and other network configuration parameters.

Transfer of computer files between a client and server on a computer network.

Clock synchronization between computer systems over packet-switched, variable-latency data networks.

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

400

500

403

402

41. What is the usual TCP header size?

3 Bytes

20 Bytes

64 Bytes

10 Bytes

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

SIP Packets

RTP Packets

SDP Packets

STUN Packets

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

3

5

7

6

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

Preferences

Configuration Profiles

Protocol Hierarchy

Conversations

45. What is the purpose of IP?

Establishes the Internet

control traffic on the internet

to send and relay an email message between email servers.

decides how data gets from one place to another on the Internet

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

View

Tools

Capture

Expert Information

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

Endpoints

Capture file properties

Conversations

IPv4 statistics

48. What Time Display Formats are available in Wireshark?

Date and Time of the Day

Time of Day

Seconds since beginning of Capture

All of the above

49. HTTPS is supported over UDP

True

False

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

32 Bit

64 Bit

128 Bit

100 Bit

51. What's the terminal based Wireshark called?

Webshark

Terminalshark

Dshark

Tshark

52. TCP Splicing involves recomputing checksum

True

False

53. What does Type 5 indicate in below image?

Echo Reply

Destination Unreachable

Redirect

Alternate Host Address

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

Data Packet Loss

Blocking of new connections

Deterioration of network service quality

All of the above

55. What is a network baseline?

Packet capture during abnormal network conditions

Packet capture during normal network conditions

Both A & B

None of the above

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

46 bytes

32 bytes

39 bytes

93 bytes

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

Single temporary file

Single named file

Multiple files, continuous

Multiple files, ring buffer

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

True

False

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

DXCap

Capinfos

Dumpcap

Editcap

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

5

3

1

6

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

Passive

Active

Both A&B

None of the above

62. What are unassigned IP addresses also called?

Black IP addresses

Dim IP addresses

Unlighted IP addresses

Dark addresses

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

201

304

4

15495

64. Active OS Fingerprinting can be done with Wireshark.

True

False

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

DSCP

TTL

Flags

None of the above

66. Which protocol is used by Traceroute?

ICMP

UDP

TCP

All of the above

67. Wireshark can be setup on a Cisco Router

True

False

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

ICMP

HTTP

IP

None of the above

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

Packet List

Packet Details

Packet Bytes

None of the above

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

4

5

7

8

71. SSH is layer 4 Protocol

True

False

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

True

False

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

True

False

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

1xx Informational

5xx Server Error

6xx User Error

3xx Redirection

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

Packet contains string

tcp contains string

tcp equals string

tcp packet contains string

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

Sequence and Acknowledgment Numbers

Windows size shifts

Delta time delay

Hop counts

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

Error rate

Congestion control

Latency

Bandwidth

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

Time to expire

Time to die

Hop limit

Hop along

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

True

False

80. Which IP addresses are routed on the internet?

Private IP address

Public IP address

loopback address

None of the above

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