setup and troubleshooting LAN and WAN. Experienced with security testing tools. • CISCO IP Phones with CISCO Call Manager. Alcatel Lucent IP Phone system with Omini Vista. • Hands on expertise in configuring MS Exchange mail servers‚ IIS‚ DNS‚ DHCP and Terminal Servers‚ Remote Access & Remote installation. • Knowledge & hands on skills with MS SQL Database installation‚ configuration and administration. Experienced in report generation using Crystal Reports. • Anti Virus solutions using Symantec
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PERMITER DEFENSE STRATEGIES – NETWORK SEGMENTS In order to effectively defend the internal network‚ any security personnel charged with this responsibility should first consider the perimeter. Basically‚ the perimeter is the network boundaries‚ the frontier where data flows in from (and out to) other network segments (Mosson‚ 2009). Segments of a network are joined by routers‚ switches‚ hubs‚ bridges and gateways (Cole‚ Krutz and Conley‚ 2005). There are a number of general strategies used to
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grow with the company while minimizing end user impact while changes were implemented. Exhibit 2 depicts the current business network infrastructure configuration which supports 100 employees and supporting services including Active Directory‚ DNS‚ DHCP‚ and file sharing for single sign-on convenience‚ security and simplified network management. As business growth continues to outpace existing network capabilities‚ a new network design must be implemented that is both scalable and ensures the
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subnet my IP belongs to. Default Gateway 191.168.1.1 Network software uses this when my IP does not match any routes on routing chart. Physical Address 90-48-9A-7D-89-02 Is what is used to represent in the form of a binary number for the address bus. DHCP Server 191.168.1.1
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31 Days Before Your CCNA Exam Second Edition Allan Johnson Cisco Press • 800 East 96th Street • Indianapolis‚ Indiana 46240 USA 31 Days Before Your CCNA Exam A Day-by-Day Review Guide for the CCNA 640-802 Exam Second Edition Allan Johnson Copyright® 2009 Cisco Systems‚ Inc. Published by: Cisco Press 800 East 96th Street Indianapolis‚ IN 46240 USA All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means‚ electronic or mechanical
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Linux operating system and will access resources‚ as well as share resources‚ with HACKD‚ LLC.’s Microsoft Active Directory domain. The domain consists of several Windows Server 2012 R2 servers running various services (Microsoft Active Directory‚ DNS‚ DHCP‚ web services‚ printing and file services). HACKD‚ LLC. also has around 500 client operating system desktops/laptops that run Windows 7 and Windows XP. There is a mix of desktop and laptop systems. Current Desktop/Laptop Configuration for Windows
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currently using. Command: ________________________________________________________ IP address: ________________________________________________________ 2. Find the IP address of the computer you are currently using‚ plus MAC address‚ plus whether DHCP is turned on. Command: _________________________________________________________ Answer: _________________________________________________________ 3. Display the host name of the computer. Command: __________________________________________________________
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Fill in the Blank: 1). The most widely used IP addressing scheme is IPv4. 2). The most recent and largest address space IP addressing scheme is IPv6. 3). To distribute IP addresses automatically‚ a network administrator would configure the DHCP service. 4). The first attempt at breaking up IP address space used 4 bytes to provide address ranges of different sizes. 5). Prior to introduction of the Domain Name System‚ computers used Host to map human-readable names to IP address. 6). A 192
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reserved by ICANN 4. Identify the port numbers for the following applications. a. Telnet – 23 b. HTTP – 80 (Hypertext Transfer Protocol) c. FTP – 20‚ 21 (File Transfer Protocol) d. DNS – 53 (Domain Name Server) e. DHCP – 67‚ 68 (Dynamic Host Control Protocol) 5. Define the purpose of a connection oriented protocol. Give an example. i. Establishes the network connection‚ manages the data transfer‚ and terminates the connection. I. Connection Oriented
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UMUC Frederick MD Network Proposal The network IP addressing scheme for the Frederick MD building should be designed to ease network management. A well thought out network subnet design enables administrators to quickly locate computers by IP address by building floor and room‚ and whether the computer is a server‚ a student computer‚ staff computer or instructor’s computer. A proper subnet design will also minimize broadcast traffic that decreases network performance‚ by reducing
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