When writing shellcodes, you must avoid _________________ because these will end the string.
Answer(s): A
The null character (also null terminator) is a character with the value zero, present in the ASCII and Unicode character sets, and available in nearly all mainstream programming languages. The original meaning of this character was like NOP — when sent to a printer or a terminal, it does nothing (some terminals, however, incorrectly display it as space). Strings ending in a null character are said to be null-terminated.
On wireless networks, SSID is used to identify the network. Why are SSID not considered to be a good security mechanism to protect a wireless networks?
Answer(s): B
The SSID IS constructed to identify a network, it IS NOT the same as the MAC address and SSID’s consists of a maximum of 32 alphanumeric characters.
What is the problem with this ASP script (login.asp)? <% Set objConn = CreateObject("ADODB.Connection") objConn.Open Application("WebUsersConnection") sSQL="SELECT * FROM Users where Username=? & Request("user") & _ "?and Password=? & Request("pwd") & "? Set RS = objConn.Execute(sSQL) If RS.EOF then Response.Redirect("login.asp?msg=Invalid Login") Else Session.Authorized = True Set RS = nothing Set objConn = nothing Response.Redirect("mainpage.asp") End If %>
Network Intrusion Detection systems can monitor traffic in real time on networks.Which one of the following techniques can be very effective at avoiding proper detection?
If the default fragmentation reassembly timeout is set to higher on the client than on the IDS then the it is possible to send an attack in fragments that will never be reassembled in the IDS but they will be reassembled and read on the client computer acting victim.
What is Cygwin?
Cygwin is a Linux-like environment for Windows. It consists of two parts: A DLL (cygwin1.dll) which acts as a Linux API emulation layer providing substantial Linux API functionality. A collection of tools which provide Linux look and feel. The Cygwin DLL works with all non-beta, non "release candidate", ix86 32 bit versions of Windows since Windows 95, with the exception of Windows CE.
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