Updated Jan-2024 Premium WCNA Exam Engine pdf - Download Free Updated 102 Questions
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Protocol Analysis WCNA exam covers various topics related to network analysis, such as network protocols, packet analysis, network troubleshooting, and security. WCNA exam is designed to test the candidate's ability to use Wireshark effectively to analyze network traffic, identify network issues, and apply best practices for network security. WCNA exam consists of multiple-choice questions, hands-on lab exercises, and a practical exam that requires the candidate to analyze a network capture file and provide solutions to network issues. Passing the exam demonstrates that the candidate has a strong understanding of network analysis and is capable of using Wireshark to diagnose and troubleshoot network problems.
NEW QUESTION # 58
Some ICMP packets include portions of the original packet that triggered the ICMP response.
- A. False
- B. True
Answer: B
NEW QUESTION # 59
Null scans use legal TCP packet formats, but listen for illegally-formed TCP response packets.
- A. False
- B. True
Answer: A
NEW QUESTION # 60
Which term defines an alias name used in DNS responses?
- A. CNAME
- B. ALIAS
- C. HOST
- D. PTR
Answer: A
NEW QUESTION # 61
Which network problem may cause packet loss, queuing, or throttling of possible throughput maximums?
- A. an overloaded TCP connection table
- B. smaller packet sizes
- C. minimum receive window sizes
- D. congestion along a network path
Answer: D
NEW QUESTION # 62
The capture filter syntax for all FTPcommand and data channel traffic is tcp port 21.
- A. False
- B. True
Answer: A
NEW QUESTION # 63
IP routers strip off the MAC header of incoming packets and apply a new MAC header before forwarding the packet onto the next network.
- A. False
- B. True
Answer: B
NEW QUESTION # 64
By default, Wireshark will only dissect port 443 traffic as SSL/TLS traffic. If you are using another port for SSL/TLS communications, you must add that port number in the HTTP preferences setting for SSL/TLS ports.
- A. False
- B. True
Answer: B
NEW QUESTION # 65 
This packet shows the expanded TCP flags area. The display filter tcp.fiags.syn==1 && tcp.flags.ack==1 and the display filter tcp.fiags=0xi2 provide identicalfiltering results.
- A. False
- B. True
Answer: B
NEW QUESTION # 66
Wireshark can import CSV (comma separated value) format files for further analysis.
- A. False
- B. True
Answer: B
NEW QUESTION # 67
You may need to capture traffic at different points on the network to identify the location of packet loss.
- A. False
- B. True
Answer: B
NEW QUESTION # 68 
Which statement aboutthis color rule is correct?
- A. This color rule will generate a syntax error.
- B. This color rule is based on the BerkeleyPacket Filter (BPF) format.
- C. This color rule will be saved in the Branch Office #1 profile.
- D. This color rule must be placed under all other TCP color filters.
Answer: C
NEW QUESTION # 69
An unusually high number of RSTs or a high number of SYN/ACKs with no related data transfer is a strong indication that a TCP scan is underway.
- A. False
- B. True
Answer: B
NEW QUESTION # 70
Network congestion is defined as a condition that can cause packet loss or slow data transfer because the network itself cannot support the data transfer rate.
- A. False
- B. True
Answer: B
NEW QUESTION # 71
You are analyzing network traffic, but you only see ARP queries - you do not see any ARP responses. What could cause this situation?
- A. You are filtering on IP addresses for another network.
- B. Wireshark is not running in monitor mode.
- C. You have applied an ip filter to the traffic.
- D. You are connected to a switch port that is not spanned.
Answer: D
NEW QUESTION # 72
DNS responses contain four sections: Question, Answer RR, Authority RR and Additional RR.
- A. False
- B. True
Answer: B
NEW QUESTION # 73
Which statement about the TCP recovery process is true?
- A. Packet loss recovery is always started by the client.
- B. Retransmitted packets use the same sequence number as the original lost packet.
- C. TCP hosts attempt three retransmissions before terminating the connection.
- D. The window size field is used in the packet loss recovery process.
Answer: B
NEW QUESTION # 74
By default, Mergecap combinestrace files based on the order they are listed on the command-line.
- A. False
- B. True
Answer: A
NEW QUESTION # 75
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