Attackers frequently use ACK scans to circumvent a firewall or other filtering tools. During a NULL scan, all packet flags are enabled. The most recent versions of Nessus Server and Client are compatible with Windows, Mac OS X, FreeBSD, and the vast majority of Linux variants.
<h3>What is ack scan ?</h3>
- ACK scans are used to identify hosts or ports that have been blocked or are resistant to other types of scanning. An attacker uses TCP ACK segments to learn about firewall or ACL configuration.
- Attackers probe our router or send unsolicited SYN, ACK, and FIN requests to specific UDP/TCP ports.
- TCP ACK Scan sends an ACK message to the target port to determine whether or not it is filtered.
- On unfiltered ports, a RST reply packet will be sent for both open and closed ports. Filtered ports will either generate no response or generate an ICMP reply packet with an unreachable destination.
- The TCP ACK scanning technique attempts to determine whether a port is filtered by using packets with the ACK flag set.
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Answer:
Ribbon
Explanation:
I would want to believe that this question is asking us about the outlined area in the image attached below. The ribbon consists of the main tabs you see when you open up your Word document by default. They include the home, insert, page layout, in that order, all the way upto the view tab. The main tabs are split into groups and these groups are further split into command options that help users complete a task. If you want to, you can minimize the ribbon and remain with the tab names only by hitting CTRL + F1
Answer:
Project teams do smaller portions of the entire project in small sprints.
Teams can interact to handle different steps simultaneously if needed.
Documentation is still required to keep everybody on track. This documentation allows teams to keep control over what version of the project they are working on and how the project has changed along the way.
As an approach to rapid development, the focus is on development rather than planning, enabling teams to start work more quickly.
hope this helps you
:)
I'd say D: Wrong, because transporting information is what a network does, and the Transport Layer is at the heart of that layer.
Transport layer is truly at the heart of the OSI model. Its main function is to transfer application data from the source to destination. This layer provides a reliable end-to-end communication service and transfers data for the user layers above it, as well as shielding the rest of the layers below from details like message error and flow control functions. If packets get destroyed or lost during transmission, it is in the best interest of Megan to check the transport layer. Transport layer ensures that whenever something like this happens, packets must be re-transmitted.
Answer:
ZeroDivisionError
ValueError
Explanation:
ZeroDivisionError occurs when you attempt to divide a number by 
.
ValueError occurs when the argument passed into a function holds the wrong value. In this case, the string is not numeric which cannot be passed into the float() function.
Hope this helps :)
