Friday Unit 2 Labs 2.1 2.1.1 These elements are necessary for allowing the device to communicate and send and receive properly with other devices. Without one of the elements the network would stop working. 2.1.2 TCP/IP protocols 2.1.3 SNMP‚ TCP/IP‚ Telnet‚ and FTP 2.1.4 TCP/IP protocols transferred wirelessly. 2.1.5 n/a Review 1. A network device is usually built in to the computer. A peripheral device is a device connected to the computer 2. I would limit the number due to security
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OSPF only supports equal cost load sharing Historical Information of OSPF: In the early days of TCP/IP‚ the RIP became the standard protocol for routing within Internet Systems because of ease of use. RIP had two big things going for it: it was simple and easy to use‚ and it was included in the popular Berkeley Standard Distribution (BSD) of UNIX starting in 1982. Most organizations using TCP/IP started out with relatively small networks‚ and were able to use RIP with some degree of success. However
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‘skip-networking’ command? You may even have services that are listening on a TCP port but don’t need to be. Database servers such as MySQL are often used in conjunction with Apache‚ and are frequently set up to coexist on the same server when used in this way. Connections that come from the same machine that MySQL is installed on use a domain socket in the filesystem for communications. Therefore‚ you don’t need to have MySQL listening on a TCP socket. To do this‚ you can either use the --skip-networking command-line
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customer dial-up access to the Internet‚ since IP packets cannot be transmitted over a modem line on their own‚ without some data link protocol. Two encapsulated forms of PPP‚ Point-to-Point Protocol over Ethernet (PPPoE) and Point-to-Point Protocol over ATM (PPPoA)‚ are used most commonly by Internet Service Providers (ISPs) to establish a Digital Subscriber Line (DSL) Internet service connection with customers. A PPP Network Control Protocol (NCP) for IP The IP Control Protocol (IPCP) is responsible
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counter by our Intrusion detection systems but can be block by our firewall and Intrusion prevents systems. We will fortify our application securities as well with the implementation of a strong access control list. This is an outline we will Use TCP/IP and IPsec filters for defense in depth. Configure IDS to prevent information disclosure through banner grabbing. Use IDS that can be configured to pick up foot printing patterns and reject suspicious traffic. You can put tight constraints on user
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this situation? Answer: a. Standard Edition 4. Your company has a Web server and sometimes when the network administrator uses tools to test the Web server by IP address there is no response from the server. Which of the following might be the problem? Answer: a. The Web server is set up with dynamic addressing and so its IP address changes periodically. 5. _____ enables a Windows Server 2008 system to run more than one program at the same time. Answer: d. Multitasking 6. Which
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the significance of the TCP‚ 3-Way Handshake for applications that utilize TCP as a transport protocol? Which application in your protocol capture uses TCP as a transport protocol? The significance of the TCP‚ 3-Way Handshake for applications that utilize TCP as a transport protocol is to ensure a connection is made before transmitting data such as SSH and HTTP. FTP‚ Telnet‚ HTTP‚ HTTPS‚ SMTP‚ POP3‚ IMAP‚ SSH use TCP as a transport protocol. 4. How many different source IP host addresses did you
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achieved by utilizing file sharing will allowing that company to dictate who has access to what information on the network. I would also suggest printer sharing‚ which will allow the company to dictate who has access to the printer. I would also utilize TCP/IP Protocols; which are the rules that allow computers to connect to one another and that enable computers and peripheral devices to exchange information. 2. You are the network administrator for a company that has a peer-to-peer network. How
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defines well known services (ports). (TCP/UDP) (source and dest port) -Network: provides logical addressing (IP address)/finds the best path to a destination (source ip and des t ip) -Data link: provides physical addressing (MAC) and ensures data is error free (source and dest MAC) -Physical: provides access to the cable/electrical signals that represent ones and zeros TCP/IP stack -Application: Telnet‚ FTP‚ SMTP‚ DNS‚ RIP‚ SNMP -Transport:TCP/UDP -Internet: IP‚ ARP‚ IGMP‚ ICMP -Network access:
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shows the use of ss command. 1. List all connections The output contains all tcp‚ udp and unix socket connection details. We are piping the output to less so that the output is scrollable. 2. Filter out tcp‚udp or unix connections To view only tcp or udp or unix connections use the t‚ u or x option. The "t" option alone reports only those connections that are "established" or CONNECTED". It does not report the tcp sockets that are "LISTENING". The “a” option tells ss to report both "CONNECTED"
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