...Training We can provide user training for the users, by teaching them how to create strong password, which are memorable. Then after that impose strict security to ensure that whatever is taught must be carried out. Like performing night checks going around desks to look for any papers with password lying around. Can also impose military style in the office where passwords are treated the same way as the the data is. We can also teach them the possible attacks that they could face if they do not choose a strong password, where users would want their account to be compromised? Even running ecommerce, there are ways to teach the users and administrators. Asking administrators to impose password to be at least eight digits long, have at least 1 upper case character and also a symbol to increase the complexity of the password. The password must pass the necessary requirements in order to be registered into the system. While storing in the database, can hash the password, thus the password can never be reversed. We can have a phrase of Four score and seven years ago, our Father which forms 4s&7yaoF. Having a mnemonic password is also recommended when giving users training, because this password does not exist in password cracking dictionary. The phrase can also help them to use different characters such as uppercase or lowercase, punctuations in their passwords. So even when you try to social engineer a user about their password, the user can tell you that their password is “Four...
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...IP Addressing Scenario Unit 1 Exercise 1 ITT Technical Institute Floyd Washington Jr. April 4, 2015 When setting up a network that will consist of many host computers, one of the first things that an administrator must do is to determine what class of networks that they must administer to a given business. This is the point where every administrator must know how to implement classful and classless IP addressing. A classful network is a network addressing architecture used in the internet from 1981 until the introduction of Classless Inter-Domain Routing (CIDR) in 1993. Classful IP addressing divides the addtess space on the internet into five address classes. Each class is coded in the first four bits of the address. Today the classful network concepts remain in play only limited scope of the default configuration parameters. There are 32 bits contained in any IPv4 IP address. A Class A network has eight bits in the network number field and 24 bits in the rest of the field and covers a range of 0-126 in the leading field. There are 128 Class A networks with 16,777,216 hosts capability per network. The range of the Class A networks are 0.0.0.0 to 127.255.255.255. A Class B network has 16 bits in the network number field and has 16 bits in the rest of the fields and covers a range from 128.0.0.0 to 191.255.255.255. There are 16,385 Class B networks and each network has the capability of having 65,536 network hosts. A Class C network has 24bits in the network number...
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...NT1330-Unit 2 Exercise 1 DNS Scenario Dear junior IT, Thank you for contacting me regarding your questions, and trust that I will do my best to help you. From what I understand, you work at two branch offices, and have been given the responsibility of discovering where to place an Active-Directory Integrated DNS server. You also have some question of what type DNS server would best meet your company’s needs. First let’s begin with the smaller branch supporting perhaps five user/workstations, with an unusually slow network. The question with such a small branch isn’t really about what kind of DNS server you need, but do you need a DNS server at all. If there is a very high level of file/data sharing, then yes perhaps you could benefit from a server, but configured in a secondary zone, such as an ADI. However, if there is not enough file/data sharing to really warrant the presence of the server, an ADI server could potentially slow down an already sluggish system. Now let’s move on to the second, much larger branch supporting around thirty users. You stated that this branch has a much better network connectivity than its smaller counterpart. In this case, I would recommend a DNS server set up in the primary zone. The primary zone is the primary source of information within this zone. I would also further suggest moving your servers from the smaller branch to your larger branch. All files from the smaller branch could be accessed via a “VPN” remote link. This would allow...
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...is the goal and their next target is the top of rack switch. This type of organization maintains dozens of racks or more should pay attention to what these big cloud players are doing. The potential exists for significant savings as SDN allows data centers to move away from single source hardware to the commodity based pricing we see with servers. The second factor to consider is the size of an organization’s network; which indicates data center with near or above 1,000 active IP addresses as a candidate for SDN. This is true majorly for those addresses that are assigned to virtual machines. The controllers will become a new line item in the IT budget to expect virtual machine vendors to control the switch, rack, and core as the single unit with their software....
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...Administrative Control versus Trust Unit 8 Exercise 1 ITT Technical Institute Floyd Washington Jr. May 21, 2015 As an administrator you must set up guidelines over a network to prevent the malicious intent of bad users. This is why the administrator must implement Administrative Control. Administrative Controls are the policies, guidelines, procedures and standards that protect the overall integrity of the company’s computer network. This is when the company’s IT Professionals take every precaution possible to ensure that their computer network is secure and free of viruses that can cause the network to crash. Administrative control is one thing, but too much control can hurt a business in many ways. Too much control over a company’s network can restrict user from attaining much needed information. Therefore, an administrator must allow some users in the company full use of the company’s network without any restrictions. As a network administrator you must choose the people carefully that you allow full access to your company’s network. They must have solid instructions for the sites they are to visit. Administrative controls can have a great influence on the decision making of the entire company workforce. Without Administrative controls there can and probably will be serious liabilities formed against the company you work for. Most computer networks today will require that users use an authentication process, which means that the network is password and PIN protected...
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...shows the server split when the number of users exceeds the value of Umax. The servers are identified by their local hosts. The following table is generated by having Umax = 20 for each server. Hence, when the 21st user enters the group in a server, the user is automatically allocated to the next server. (i.e.) The users from 1 to 20 are present in the server 1 with the local host 8180 and the next incoming users are directed to the next server identified with the local host 8280. Similarly, when the users leave from the group dynamically the servers balances their load dynamically by merging with the other servers having less number of users. The Fig.3 shows the variation in time for communicating the information to various numbers of users in a secured manner. From the Table 3, it is clear that the time varies proportionally to the increase in the number of users. In this paper a Master key management algorithm is proposed and a key tree is generated by the users at the leaf nodes. The loads of the key server are balanced with split and merge server approach such that performance...
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...ESET NOD32 Antivirus Enjoy Safer Technology ESET NOD32 is an award-winning antivirus that helps you explore online securely trusted by over 110 million users worldwide. This antivirus is able to detect all types of threats like viruses, rootkits, ransomware, spyware, and worms and can neutralize them. It also provides protection against evading detection of antivirus and illegitimate websites trying to access your sensitive information. ESET NOD32 Antivirus protects your PC by the following way; Safer Internet to Enjoy Antivirus and Antispyware protect against online and offline threats and prevents malware from spreading and Anti-Phishing protects your privacy from the attempts by fake websites to get access to your sensitive information like usernames, password or banking information etc. Exploit Blocker blocks attacks especially designed to evade antivirus detection and eliminates lock screen and ransomware. It also protects against attacks on web browsers, PDF readers and other applications, including Java-based software It scans memory to detect malware and neutralize them as well as speed up scans by whitelisting safe files and proactively stop unknown malware based on its behavior comparing with the cloud-based reputation system. ESET NOD32 Antivirus carries on scanning while downloading files as well as Idle-State Scanning helps in-depth scans when the computer is idle detecting potential threats before the damage by them. ESET NOD32 prevents unauthorized copying...
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...blocked it from installing on the computer. o Intrusion Prevention Systems- Intrusion Prevention systems would also help prevent certain type of files being installed on the computer. These would include .exe and any other files extensions that were set in the system. o No administrative access on computers for users. Any extra access needed will need a separate logon. o 2 factor authentication- User name and password are easy to bypass and hack. A token with a code that changes every x number of minutes along with a user name and password would make it more difficult for an attacker even if they were able to get the users password. o Strong password policy – Minimum 8 characters, 1 Number, 1 Capital, 1 Special character, no repeating characters. Change every 60 days, Cannot use same password more than 1 time every 6 months. A...
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...The Master has to take care of the failure of the tablet server. In case the tablet server loses its exclusive lock, it sends a request for the same to the master. The master then tries to find out the reason for the loss of the lock. It might have happened due to termination of the tablet server too. In such a case the master decides on killing the tablet server and adding to the list of unassigned tablets. This tablet again becomes available for future use. The master can terminate itself too, after the chubby session expires. As mentioned earlier, this is one more of the trait of the system which makes it self-sustaining and self-reliable. Networking failures are also avoided by this function of the master. During the start of the system, the master is very much similar to a blank slate. It needs to acquire a complete knowledge of the entire system and the extent to which it can spread or expand. This it has to take a few steps at the start, prior to the execution of the addressing. - Similar to the lock of the tablet servers, the master acquires a lock which prevents duplication instantiations of the master. - It gains a knowledge of the active servers in the chubby, so that it can have a list of the same. - As an extension of the above the master finds the number of tablets that are already assigned to a server, so as to get an information about the remaining capacity of each server. - The master also iterates through the list of tablets to find out which of them have been...
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...must have contacted this node previously or have received a message from other nodes. • The routing table structure is modified to store the trust value for each entry of source to destination when receiving a positive of a node that is not a selfish node. From the receiver point of view a perfect malicious node will always provide wrong information. In this case, the malicious node, in order to send wrong information must know the state of each node. • AODV sends request to update the routing path at regular intervals. Hence, at regular intervals, source node is going to have multiple paths each with its trust value from which one with the maximum trust is selected it can transmit this information to it so, from that moment on, both nodes store information about this positive (or negative) detections. Therefore, a node can become aware about selfish nodes directly (using its watchdog) or indirectly, through the collaborative trans-mission of information that is provided by other nodes. • A node detects a selfish node using its watchdog, it is marked as a positive, and if it is detected as a non selfish node, it is marked as a negative. The method to handle RREP packet is changed to update the route entry when new path is received with greater trust than current trust value to send RREQ packet to destination every time thereby disabling the mechanism to initiate RREP packet at intermediate nodes. Behavior of malicious nodes is modeled from the receiver perspective, which...
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...1. The primary source of information that should be considered to modify the service environment to ensure visual affirmation in the area is determining what cultures or ethnic groups does the facility serve. This source of information will allow for them to appropriately create a visual affirmation in the area by appealing to the patients/clients/customers they are serving. 2. My view of the decision that more Jamaican members are not necessary since they already have two African Americans on the board is that this is not the best decision for the healthcare facility to make. It is also not a good business decision. It is important to have an organization of a diverse group of board members, staff, and providers. Two out of 15 African Americans will not represent or stand out (another word) as a diverse organization when the facility serves a significant number of Jamaica patients. Therefore, more Jamaican descent board members or people from an African descent are needed to adequately represent the population being served. As a result, the healthcare facility will better interact and connect with their patients, increase organization success, and patients will notice that the organization strives to meet their culture and health needs. 3....
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...AD FSMO Role Management: Alternate Methods Dear Junior Admin. Well it seems you have a complicated decision on your mind “what tool for the job?” I have decided its best for you to decide on your own which tools you prefer to work with, although I can ease the pain of the decision by providing insight on each of the tools you have at your fingertips. DCDIAG – is a command line tool that analyzes the state of domain controllers in a forest and shows any problems to help with trouble shooting. There are many useful commands with this tool, much too many to include in this simple letter, but there are plenty of locations on line that provide the commands with descriptions for use. NTDSUTIL – is another command line tool that manages facilities for Active Directory Domain Services (AD DS) and the lightweight version (AD LDS). This tool can be used for database maintenance of AD DS, control and manage single master operations, and remove metadata left by domain controllers that had been improperly uninstalled. This tool has many commands that would cause this letter to become undesirably long so Google is your best bet to find them with descriptions. MMC Snap-ins – is a graphical interface that hosts administrative tools for managing your networks, special tools can be created here for administrative tasks. It basically allows you to build your own tools with the standard user interface. This tool will probably be your best bet to begin with, but don’t shy...
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...non-efficient and these challenges can’t be instantly applied in Vehicular ad-hoc networks (VANETs). Present day challenges for VANETS are [12]: 1. Eminently disparate vehicular networks: The logical relation across distinct wireless networking automations under a time fluctuating network topology is very convoluted in particular for quality of service, routing, node addressing and security. These particulars would require coexistence of numerous different wireless networks in order to provide universal access to broadband services. 2. Data administration and depot: This approach maps to the extensive vehicular networks that will develop massive amount of dispersed data. Therefore, it must be hoarded in some particular way using...
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...1. FUS AC test fixture boxes packed ship to APL, Elizabeth confirmed no tag needed. 2. ITS2-LG01-FL open crate, all test equipment uninstalled move to PTE lab and the cabinet sent to scrap. 3. Contact with Elizabeth to release the hardware and still waiting for • AC test station and DB Server before to ship to TraceLogix. 4. Work with Weiliang on FUS rack for SJ testing and installed. 5. AC test station. • RGM-TL02-W7 is 100% completed. • Received the Agilent N5171B came back this week, installed to RGM SJ rack and preliminary for couple SKU’s testing is passed. Will continue sanity test sometime next week. • Contact with Elizabeth to release the rack before ship to TraceLogix. She has DB Server-9RU tagged#100 01582. • Contact with SIMCO for Agilent Signal Generator calibration quote. IRP Submit •...
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...Aaron Battaglia NT1330 UNIT 2. EXERCISE 1. DNS SCENARIO It is not required to put a DNS server in such a small location for only five users and snail like network connectivity doesn’t justify the amount of money it would cost to install a server(s) in that area. One exception would be if there is a great amount of file sharing, or other information that would need to be accessed daily by other spots on the network. This sometimes but rarely happens but we could have a situation where we put it in the in the server but we set it up as a secondary or Active Directory Integrated zone type. I recommend installing the servers in the location where you have 30 users and fast internet connection. You could do this also, try storing all the files from either location in the bigger office, and in the smaller location you could remote connect through Virtual Private Network. When we do this all the information from the smaller sight is stored off site. The sight with five users can be run with a cheap router and the server that has thirty users at the office will be set up as the primary zone; since this is utilizing the fast internet connection and has more users this is our MAIN BASE which you can call home. =) If you were to run Domain Name System on domain controllers there are Active Directory Integrated zones and Active Directory Integrated zones. In classical Domain Name Systems the zone data is stored in text files which sit on the Hard Drive; which of course is protected...
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