CompTIA SY0-201 Security+ Exam Guide phần 3 ppsx

... - 33 - attack basis for SHA-1 can produce collisions in SHA-256 as well since they are similar algorithms. The SHA standard does have two longer versions, however. SHA -38 4 SHA -38 4 is ... example, were all of the employee’s rights protected? An actual example pertains to the rights of privacy regarding employees’ e-mail messages. As the number of cases involving employers exa...

Ngày tải lên: 10/08/2014, 10:21

... financial institutions, for example, require that certain security measures be taken. Other standards may be set by the organization to meet its own security goals. Guidelines are SY0 - 201 ... - 18 - recommendations relating to a policy. The key term in this case is recommendation— guidelines are not mandatory steps. Procedures are the step-by-step instructions on how to implement...

Ngày tải lên: 10/08/2014, 10:21

... Unguided Media Electromagnetic waves have been transmitted to convey signals literally since the inception of radio. Unguided media is a phrase used to cover all transmission media not guided ... ability to examine the data traffic the host was generating and receiving. Most HIDS focus on the log files or audit trails generated by the local operating system. On UNIX systems, the exam...

Ngày tải lên: 10/08/2014, 10:21

... in IT testing and certification tools, www.testking.com - 1 - CompTIA SY0-201 Security+ Exam Guide Version 2.0 SY0 - 201 Leading the way in IT testing and ... Cable 2. UTP/STP 3. Fiber 4. Unguided Media vi. Security Concerns for Transmission Media 1. Physical Security vii. Removable Media 1. Magnetic Media 2. Optical Media 3. Electronic...

Ngày tải lên: 10/08/2014, 10:21

... covered. Invisible ink placed on a document hidden by innocuous text is an example of a steganographic message. Another example is a tattoo placed on the top of a person’s head, visible only when ... allows the receiver of the software to verify from where the software actually came. Class 3 A Class 3 certificate can be used by a company to set up its own CA, which will allow it to c...

Ngày tải lên: 10/08/2014, 10:21

... organization for individual certificates and for the service of maintaining these certificates. Some examples of public CAs are VeriSign (including GeoTrust and thawte), Entrust, and Go Daddy. One ... precautions and procedures the outsourced CAs provide, and the surrounding legal issues need to be examined before this type of agreement is made....

Ngày tải lên: 10/08/2014, 10:21

... Routers operate by examining each packet, looking at the destination address, and using algorithms and tables to determine where to send the packet next. This process of examining the header ... of deciding whether a packet is allowed to enter the network. With ACLs, it is also possible to examine the source address and determine whether or not to allow a packet to pass. This allows ......

Ngày tải lên: 10/08/2014, 10:21

... in the interest of promoting better security for everyone. Information is also gathered through examination and forensic analysis, often after a major incident has already occurred and information ... SY0 - 201 Leading the way in IT testing and certification tools, www.testking.com - 1 03 - this nature is usually begun before the hardware and software of the organization is kn...

Ngày tải lên: 10/08/2014, 10:21

... or game, for example. Once it has been copied and is inside the system, the Trojan will perform its hidden purpose with the user often still unaware of its true nature. A good example of a ... the agents, the attacker can have a flood of messages sent against the targeted system. Figure 13- 3 illustrates a DDoS network with agents and handlers. Backdoors and Trapdoors Backdoors wer...

Ngày tải lên: 10/08/2014, 10:21

... wires for xDSL connections are pins 3 and 4, respectively, on the 6-pin connector, or 2 and 3 on a 4-pin connector. Figure 7 -3 illustrates this concept. Figure 7 -3 RJ-11 Connector When in doubt, ... PPPoA- 837 ! boot-start-marker boot-end-marker ! memory-size iomem 5 Example 6-6 CPE Router Configuration for DSL Access with PPPoA (Continued) 150x01x.book Page 138 Monday, June 18, 200...

Ngày tải lên: 14/08/2014, 14:20