chapter 9 exam ccna security

chapter 9 exam ccna security

• 3634 Reviews

(5) Packet filtering: The device selectively controls and operates data flows ( packets ) entering and leaving the network . It is usually to filter packets from the external network to the internal network. Users can set a series of rules to specify which types of data packets are allowed ( or denied ) to flow into ( or flow out ) the internal network. (3) Master the IP binding function of the firewall . A Tftp server is established on the UDP/69 port , and an attack propagation thread is started, and the attack address is randomly generated to attack. In addition, when the virus attacks, it will first search for the IP address of the subnet for nearby attacks. Trend; Of course, there are Trojan horses that occupy ports below 1024 , but these ports are commonly used ports. Occupying these ports may cause system abnormalities. In this case, Trojan horses will be easily exposed. Some may know Trojan occupied port, perhaps often scan these ports, but now the Trojans are modified to provide port function, there is no time to scan 65 536 ports. Figure 8.4 Personal FTP site Windows 98 : In the compressed package Win98_35.cab , unzip it to find Riched20.dll and copy it to the SYSTEM directory. Application , issuance and use of personal digital certificates The NDIS library provides a series of interface functions for the miniport driver. The miniport driver can use these functions to establish a connection between the host and the network, and can also use these functions to intercept data. 2. Confidentiality (4) Click the "Configure real-time monitoring" hyperlink. CGI (Common Gateway Interface) is a common gateway interface. It is with the server Web server with another engagement,chapter 9 exam ccna security, in response to interactive requests the remote user. It allows the user to select a language, such as C / C ++ , VB and other programming, provide for the capability information exchange between the server and the remote browser. 6.5.1 Installation and configuration of Rising antivirus software If both network users transmitting confidential information use a symmetric key cryptosystem ( such as DES) , both (1) Download RS_klez.exe, a special virus-killing version of the Rising anti-virus software cover letter series . This section mainly describes the solution to the modification of the web page registry. Firewall comparison of various properties are shown in Table . 5 - . 5 . (4) Remove sharing. After being invaded by Nimda virus, some new shares will pop up in the system, such as the sharing of C drive, D drive, etc., and their sharing attributes should be removed. London · Ed Lehmann (Len Adleman) named it as a computer virus (Computer viruses) , and formally proposed at the weekly computer security seminar, 8 experts after hours VAX11 / 750 running on a computer system, the first Yi virus experiment is successful, a week later approved for 5 demo experiments to verify the existence of computer viruses on the experiment. 6) Perform dynamic site monitoring 2) The basic principle of monitoring in LAN (3) Master the functions and realization of each module of the firewall. Signing process verification process ip address outside 192.168.50.3 255.255.255.0 eCertCA/PKI supports a complete PKI certification architecture ( chain of trust ) and blacklist management and issuance mechanism. Let's learn some noun concepts first. In order to meet the needs of the development of information security and draw on a series of relevant international standards , China has also formulated the classification criteria for computer information systems. China divides the operating system into five levels, namely, user independent protection level, system audit protection level, security mark protection level, structured protection level, and access verification protection level. This . 5 levels difference Table 2 - . 1 .

Free Download Dumps Demo & Study Tools

Latest Cisco CCNA 200-301 Dumps

If you want to pass the first exam successfully, the next you must take a serious look! All of our dumps are verified by IT certified experts. Our Latest Cisco CCNA 200-301 Dumps contains all the real topics of the day. What is our goal? To help you pass the exam successfully! You can trust us completely, and we will definitely not let you down. You can find us at anytime because we are willing to serve you guys !

Come on! Do your wisely decision!