DNSSEC on a BIG-IP is used to provide authoritative answers for DS and DNSKEY records as well as signing answers (RRSIG records) obtained from authoritative sources (GSLB‚ DNSX‚ or an LB pool). GSLB This allows a DNS admin to filter out certain domain names within an authoritative zone and load-balance the answers to pools of available (monitored) A/AAAA addresses. The TTL is set to 0 such that the answer is not cached by a resolver‚ however‚ this does increase the amount of traffic being directed
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For the first section of this Mid Term‚ I will describe the fields in the IP version 4 (IPv4) packet header. (What is the structure (each field) of an IPv4 packet?). The first field is a 4-bit version field. Next we have a 4-bit Internet Header Length (IHL) that tells the number of 32-bit words in the IPv4 header. The next field is an 8-bit Type of Service (ToS) field. This technology was never fully implemented so new technology has been developed to utilize this portion of the header. It
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802.11 a/b/g/n-The collective name for the IEEE 802.11 standards for local wireless networking‚ which is the technical name for Wi-Fi. AES-An encryption standard used by WPA2 and is currently the strongest encryption standard used by Wi-Fi. Alternate IP address-When configuring TCP/IP in Windows‚ the static IP address that Windows uses if it cannot lease an IP address from a DHCP server. Anycast address-Using TCP/IP version 6‚ a type of IP address used by routers and identifies multiple destinations
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new initiative called “Operation In Our Sites.” Between June 30‚ 2010‚ and February 14‚ 2011‚ ICE seized 112 domain names associated with Internet piracy. Domain name seizures are an innovative use of civil forfeiture proceedings authorized under criminal copyright law. Domain name registrars redirected traffic from the seized domains to a government website explaining that the domain name had been seized by ICE pursuant to a warrant issued by a Federal court. However‚ the sites remain online and
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SIM: A subscriber identity module (SIM) on a removable SIM card securely stores the service-subscriber key (IMSI) used to identify a subscriber on mobile telephony devices (such as mobile phones and computers). A SIM card contains its unique serial number‚ internationally unique number of the mobile user (IMSI)‚ security authentication and ciphering information‚ temporary information related to the local network (also temporary local id that has been issued to the user)‚ a list of the services the
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When you plan your Domain Name System (DNS) servers‚ it is important to do the following: Perform capacity planning‚ and review server hardware requirements. Determine how many DNS servers you need and their role in your network. When you consider the number of DNS servers to use‚ decide which servers will host primary and secondary copies of zones. Also‚ if you are using Active Directory Domain Services (AD DS)‚ determine whether the server computer will perform as a domain controller or as
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How To Install and Configure a DHCP Server in a Workgroup in Windows Server 2003 Article ID: 323416 - View products that this article applies to. System TipThis article applies to a different version of Windows than the one you are using. Content in this article may not be relevant to you. Visit the Windows 7 Solution Center This article was previously published under Q323416 Expand all | Collapse all On This Page SUMMARY This step-by-step article describes how to configure a new Windows Server
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Backup and Recovery IT388-01 Routing & Switching I November 17‚ 2008 Backup and Recovery 1. Describe the four-step process to locate and load the IOS. The four step process to locate and load the Internetwork Operating System‚ or IOS‚ is known as the boot sequence. These are the steps that a router must follow in order to bring the device into an operational status. The first step is known as POST. POST is a ROM based program that runs whenever the device is booted up. This is where
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GRADUATE SCHOOL OF TECHNOLOGY NERUL‚ NAVI MUMBAI. DEPARTMENT OF COMPUTER ENGINEERING SEM: -V1 BRANCH:-CE ADVANCE COMPUTER NETWORK LIST OF PROGRAMS PROGRAM NO. 1 STUDY OF NETWORK COMMANDS PROGRAM NO. 2 IMPLEMENT CLIENT SERVER PROGRAM USING SOCKET PROGRAMMING PROGRAM NO. 3 INSTALLATION OF SQUID PROXY SERVER PROGRAM NO. 4 INSTALLATION OF POSTFIX MAIL SERVER PROGRAM NO. 5 INSTALLATION OF HTTPD WEB SERVER PROGRAM NO. 6 INSTALLATION OF DNS SERVER PROGRAM NO. 7 INSTALLATION OF DHCP SERVER
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CHAPTER 7 Q1) What does the shell ordinarily do while a command is executing? What should you do if you do not want to wait for a command to finish before running another command? A1) The shell goes to “sleep” until the command has been processed. You can run a program in the background‚ which will allow you to run more than one at a time. Q3) What is a PID number? Why are these numbers useful when you run process in the background? Which utility displays the PID numbers of the commands
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