A Virtual Private Network (VPN) that provides remote access to a corporate intranet or extranet over a shared infrastructure with the same policies as a private network. Access VPNs encompass analog, dial, ISDN, Digital Subscriber Line (DSL), mobile IP, and cable technologies to securely connect mobile users, telecommuters, or branch offices. The action of recording what a
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1. The part of the computer that stores data and program instructions that need to be instantly accessible to the CPU is the: a. Microprocessor b. RAM c. Hard Disk d. Peripheral 2. How many values can be represented by a single byte? a. 2 b. 8 c. 16 d. 64 e. 256 3. Which of the following statements is TRUE: a. Software is written to be compatible
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also in hexadecimal. Having a bigger address means it takes longer time to find the address and having it in hexadecimal makes it even tougher to figure out. IPv6 also supports IPsec, which supports better security while sending data across the TCP/IP Network. IPv6 is considered safer because of the IPsec where in IPv4, there are many compatibility issues and without having the IPsec enabled, it can be a security fault. IPv6 includes security-orientated functionality by default whereas the IPv4 does
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Address Resolution Protocol (ARP) is how network devices associate MAC addresses with IP Addresses so that devices on the local network can find each other. ARP is basically a form of networking roll call. ARP, a very simple protocol, consists of merely four basic message types: 1. An ARP Request. Computer A asks the network, "Who has this IP address?" 2. An ARP Reply. Computer B tells Computer A, "I have that IP. My MAC address is [whatever it is]." 3. A Reverse ARP Request (RARP). Same concept
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Homework Chapter 1 The Revolution Is Just Beginning 1) The term e-business refers to the digital enabling of transactions and processes involving an exchange of value across organizational boundaries. Answer: FALSE 2) Price discovery refers to the ability of merchants to segment the market into groups willing to pay different prices. Answer: FALSE 3) Personalization involves targeting marketing messages to specific individuals by adjusting the message based upon a consumer's preferences
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IP Addresses IP Addresses • IP Address – numerical label of a device IP Address numerical label of a device participating in a network • IPv4 32 bit x x x x IPv4 – 32 bit – x.x.x.x • IPv6 – 128 bit hex – x.x.x.x.x.x.x.x • Static vs. Dynamic • Address lease expiration, “sticky dynamic IPs” p , y y Internet Registries Internet Registries • ARIN – North America, part of the Caribbean, Sub‐Saharan Africa • RIPE – Europe, Middle East, parts of Africa and Asia • APNIC – Asia‐Pacific Asia Pacific
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Router(config)#hostname R1R1(config)#no ip domain lookupR1(config)#banner motd #Keep Out.#R1(config)#int fa0/1R1(config-if)#ip address 192.168.10.1 255.255.255.0R1(config-if)#no shutdownR1(config-if)#int s0/0/0R1(config-if)#ip address 10.1.1.1 255.255.255.252R1(config-if)#clock rate 64000R1(config-if)#no shutdownR1(config-if)#exitR1(config)#router ripR1(config-router)#version 2R1(config-router)#network 192.168.10.0R1(config-router)#network 10.0.0.0 | Router(config)#hostname R2R2(config)#no ip domain-lookupR2(config)#banner
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Abstract Networks are nowadays the core of modern communication. Computer or data network is a telecommunication network allowing computers to exchange data, files and also allow remote computing, that is, giving authorized users the ability to access information stored on other computers found on the same network. This exchange of data is carried through network links which are established between nodes using either cables or wireless media. Most information in computer networks is carried in packets
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Exam : 312-50 Title : Ethical Hacker Certified Ver : 02-23-2009 312-50 QUESTION 1: What is the essential difference between an 'Ethical Hacker' and a 'Cracker'? A. The ethical hacker does not use the same techniques or skills as a cracker. B. The ethical hacker does it strictly for financial motives unlike a cracker. C. The ethical hacker has authorization from the owner of the target. D. The ethical hacker is just a cracker who is getting paid. Answer: C Explanation: The ethical
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A SEMINAR REPORT ON | PACKET SNIFFER | SUBMITTED BY SUBMITTED ONKUNAL GOPAL THAKUR MAY 14,2010VISHAL SHIRGUPPIJUSTIN FRANCISSHAZIA ALIUNDER THE GUIDANCE OF MR. SUNIL SURVEFR. CONCEICAO RODRIGUES COLLEGE OF ENGINEERINGBANDRA(W)MUMBAI – 400 050 | CERTIFICATE This is to certify that, Mr. KUNAL GOPAL THAKUR , Mr. VISHAL SHIRGUPPI ,Mr. JUSTIN FRANCIS and Ms. SHAZIA ALI have completed their project on PACKET SNIFFER satisfactorily in partial fulfillment under
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