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[2023] WCNA PDF Questions - Perfect Prospect To Go With Actual4dump Practice Exam
NEW QUESTION # 37
What is the purpose of creating Wireshark profiles?
- A. customize Wireshark for more efficient analysis in specific environments
- B. create a manageable database of packets for use in third-party programs
- C. create a customized method of name resolution
- D. discover and test RSA keys for traffic decryption
Answer: A
NEW QUESTION # 38
Which traffic characteristic is often seen when analyzing database applications that transfer individual records across the network?
- A. multicast responses
- B. separate connections for each record
- C. small packet sizes
- D. large delays between transmissions
Answer: C
NEW QUESTION # 39
Null scans use legal TCP packet formats, but listen for illegally-formed TCP response packets.
- A. True
- B. False
Answer: B
NEW QUESTION # 40
Which function provides host name-to-IP address resolution services?
- A. DNS
- B. ICMP
- C. SNMP
- D. ARP
Answer: A
NEW QUESTION # 41
Display filters areapplied to decrease the time required to identify the cause of poor network performance, unusual network traffic patterns or other traffic of interest.
- A. True
- B. False
Answer: A
NEW QUESTION # 42
Columns can be reordered by dragging them into their new positions directly in the Packet List pane.
- A. True
- B. False
Answer: A
NEW QUESTION # 43
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 connected to a switch port that is not spanned.
- B. You have applied an ip filter to the traffic.
- C. Wireshark is not running in monitor mode.
- D. You are filtering on IP addresses for another network.
Answer: A
NEW QUESTION # 44 
The image depicts eight files that are part of a file set.
- A. True
- B. False
Answer: A
NEW QUESTION # 45
The gratuitous ARP process is not required if a host is configured with a static IP address.
- A. True
- B. False
Answer: B
NEW QUESTION # 46
Which statement about TCP sequence and acknowledgment numbering is correct?
- A. The sequence number always increments by 1 for each data packettransmitted.
- B. Both sides of a TCP connection must agree on an Initial Sequence Number value.
- C. Starting Sequence Numbers cannot be larger than 65,535 because this is a 2-byte field.
- D. The Acknowledgment Number field indicates the next sequence number expected from the other side of the connection.
Answer: D
NEW QUESTION # 47
When you apply a display filter, the Status Bar indicates the total number ofpackets captured and the packets displayed.
- A. True
- B. False
Answer: A
NEW QUESTION # 48
Network analysis is oftenconsidered 'electronic surveillance' or 'wiretapping* and may be illegal.
- A. True
- B. False
Answer: A
NEW QUESTION # 49
Both sides of a TCP connection must negotiate a common receive window size value.
- A. True
- B. False
Answer: B
NEW QUESTION # 50
If a DHCP client does not receive an acknowledgment before the expiration of the rebinding time, the DHCP client must release its IP address and send a DHCP broadcast tolocate a DHCP server or Relay Agent.
- A. True
- B. False
Answer: A
NEW QUESTION # 51 
This TCP Round Trip Time graph indicates thehighest round trip latency time seen in this trace file is 1 millisecond.
- A. True
- B. False
Answer: B
NEW QUESTION # 52
You can identify compromised hosts that are communicating with Command and Control (C&C) servers by capturing traffic close to the network egress point and filtering on the IP addresses of the suspect C&C servers.
- A. True
- B. False
Answer: A
NEW QUESTION # 53 
Which statement about this traffic is correct?
- A. This is a TCP port scan.
- B. A firewall is blocking the SYN packets from reaching the desired host.
- C. The SYN packets are sent from asingle source port number.
- D. The responses to the SYN packets should only have the RST bit set.
Answer: A
NEW QUESTION # 54
ICMP is used as a messaging system for errors, alerts,and general notifications on an IP network.
- A. True
- B. False
Answer: A
NEW QUESTION # 55 
This is a DNS inverse query packet used to resolve an IP address to a host name.
- A. True
- B. False
Answer: B
NEW QUESTION # 56
The capture filterport 67 would capture all DHCP traffic seen by Wireshark.
- A. True
- B. False
Answer: B
NEW QUESTION # 57
How do you determine which Profile is in use while you are capturing traffic?
- A. Right-click on the Packet Summary pane.
- B. Examine the Wireshark Title Bar.
- C. Open the Preferences | Interface information.
- D. Lookin the Status Bar Profile column.
Answer: D
NEW QUESTION # 58
POP requests consist of a Request Command and Request Parameter.
- A. True
- B. False
Answer: A
NEW QUESTION # 59
RTP provides transport functions for real-time data such as audio, video or simul-ation data overmulticast or unicast network services.
- A. True
- B. False
Answer: A
NEW QUESTION # 60
A TCP Acknowledgment Numberfield that is never incremented by a host after the TCP handshake indicates that no data is being received by that host.
- A. True
- B. False
Answer: A
NEW QUESTION # 61
Wireshark's Export feature can be used to identify HTTP objects and reassemble them into their original format.
- A. True
- B. False
Answer: A
NEW QUESTION # 62
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