comptia security certification study guide pdf

... vs Quantitative Risk Assessment Management’s Response Certification and Accreditation Trang 11Certification and Accreditation GuidelinesCertification and Accreditation Process The Key Concept: ... subcomponents: Trang 27Cryptosecurity: Cryptosecurity is the component that ensures thatcryptosystems are sound and being used properly Transmission Security: Transmission security measures protect ... Options from Windows Local Security Settings Access Control Lists Trang 19Access ControlAccess Control Types Bell–LaPadula Security Model Acceptable Use Policy Additional Security Policies Human

Ngày tải lên: 10/09/2021, 12:50

... switches available in the marketplace that offers enhanced features These elements bring improved security, services, and capabilities that were unseen in basic switches that were available in previous ... switch SuMMAry oF ExAM oBJECTIvES Switches can provide an array of features that can enhance the security and functionality of a network At its most basic level, a switch is a network device that ... are connected using a single network link, Trunking Protocols may be used to provide connectivity Security features like port authentication can be used to require a client to authenticate to a

Ngày tải lên: 04/07/2014, 13:21

... equipment provider without a full understanding of security fundamentals to implement a wireless network, without a solid background in how security is accom- plished, you will never be able ... threats to both wired and wireless  networks provides a solid understanding in the basics of security principles and allows the network administrator to fully assess the risks associated with ... create a DoS situation for the network. Configuring Windows Client Computers for Wireless Network Security Windows XP and Vista provide support for 802.1x protection on  wireless networking connections.

Ngày tải lên: 04/07/2014, 13:21

... subnetting Work through the examples in this chapter and make up some of your own If you have a study buddy, you can help each other by testing your knowledge of this crucial topic Tables 7.17, ... ■ ■ Number of Addresses There are plenty of addresses for most inter-nal networking needs ■ ■ Security Private addresses are not routable on the Internet The translation from private to public ... conserving (and documenting) your address space Use DHCP whenever possible and when it is not a security risk Always ensure that you consider future growth in the way of acquisitions and mergers,

Ngày tải lên: 04/07/2014, 13:21

... you are troubleshooting a remote device like a router or a switch, you can use SSH for better security whenever required. Trang 2 computers to exchange files in various formats (text, graphic ... questions to ask (and of whom) vary according to the situation, but the following can serve as a guideline to get you started:: Exactly what task were you trying to perform when the problem ■ ■

Ngày tải lên: 04/07/2014, 13:21

... printing protocol (IPP), 268 Internet protocol (IP) See IP Internet protocol security (IPsec), 193, 416 Internet security systems (ISSs), 391 Internet service providers (ISPs), 107 Internetwork, ... Telegraph (CCITT), 111 Content filtering, 404 Content switches, 156–157, 163 Convergence, 99, 107 of security, 125 Copper cabling, 63–64 preparing, 64–66 Credit card adapters, 108 Crossover cable, ... 204–206, 209–211, 214 Half-duplex, 63, 90 transmission, 609 Hardware, 3, 9–11 address See MAC address security devices, 386–405, 467–468 Hardware compatibility list (HCL), 118 Hardware loopback adapter,

Ngày tải lên: 04/07/2014, 13:20

... Trang 2CompTIA Network+ Certification Study Guide Trang 3This page intentionally left blankTrang 4CompTIA Network+ Certification Study Guide Exam N10-004 2E Robert J Shimonski ... Data CompTIA Network+ certification study guide / Robert J Shimonski [et al.] — 2nd ed p cm Includes index ISBN 978-1-59749-429-8 (pbk : alk paper) 1 Computer networks—Examinations—Study guides ... Syngress Publishing, Inc Elsevier, Inc 30 Corporate Drive Burlington, MA 01803 CompTIA Network+ Certification Study Guide Copyright © 2009 by Elsevier, Inc All rights reserved Printed in the United

Ngày tải lên: 04/07/2014, 13:20

... with years of experience will have found a few shortcuts and may have gotten lazy in terms of security For example, the user may use easy-to-remember passwords that are easy to guess In such ... such as installing unapproved software or accessing restricted data It is also important to setup security on a network so users can only access what they need to perform their job This minimizes ... an environment with a trusting atmosphere, accidents happen and problems arise Setting up proper security can prevent avoidable incidents from occuring. Trang 2first binary computer Zuse continued

Ngày tải lên: 04/07/2014, 13:20

... step in creating a site-to-site VPN is selecting the security pro-tocols to be used Common propro-tocols associated with VPN transmission security are PPTP, L2TP, SSH, and IPSec PPTP and L2TP ... Site-to-Site vpNs A common mistake that network security professionals make is setting up a site-to-site VPN, then disregarding other types of security Access control (such as Windows NTFS permissions) ... need to perform their job As such, peer-to-peer networks are generally used in situations where security isn’t a major concern, as in the case of some home networks or small businesses Client/Server

Ngày tải lên: 04/07/2014, 13:20

... These char-acteristics define your network and will affect a wide variety of elements including security, media, and other features that make up your network as a whole ExAM oBJECTIvES FAST TrACK ... and by connecting them to a hub (which is cheaper than a router) using network cabling Being that security isn’t an issue, P2P networks are ideal in these situations My company wants to connect ... hackers can access the data being transmitted using wireless Should this be a concern? Network security should always be a concern Data being A: transmitted using wireless technology can be

Ngày tải lên: 04/07/2014, 13:20

... costly. Remember that physical security is important and that in high security areas, more drastic and expen- sive methods are also available to add new levels of security, if needed, such as ... different types of cabling to meet the security needs outlined in policies or regulations. In other situations, such as a small office home office (SOHO), security may be a minor issue. Because ... should try to establish what the security needs are before installation begins. In determining the kind of cable you’ll install, you will also need to be aware of security issues that are inherent

Ngày tải lên: 04/07/2014, 13:20

... perform a single function and others perform a variety of functions, from routing data to applying security filters As networking devices become more complex, they also become more versatile, in ... complex devices, such as a firewall, which is responsible for controlling traffic and applying security features NETworK dEvICES Network devices are components of a network that are required ... previous chapters These network devices provide functionality such as connectivity to physical media, security features, and the ability to connect to resources outside of the local area network (LAN)

Ngày tải lên: 04/07/2014, 13:21

... destination by using the best route Security Integration As reports of hacking, viruses, worms, and other attacks on networks become commonplace in the news, the need for security in network devices ... Convergence of security Just as devices are including more and more features in them that make other devices obsolete or unnecessary to a network, devices are also including more security features ... a network, which can work with existing devices to protect your LAN and its data Choosing which security measures to implement can be challenging, as there is an increasing number of products

Ngày tải lên: 04/07/2014, 13:21

... but are the most popular and must be understood to pass the wireless objectives on the Network certification exam overview of wireless Communication in a wireless Network Wireless networks, like ... information to get you to the point where you can understand FHSS and DHSS Make sure that you study the next sections carefully. Frequency hopping spread spectrum As the name implies, FHSS works ... is defined at the MAC layer is particularly noteworthy and has significant consequences for the security of wireless net-works This means that data at the higher levels of the OSI model, particu-larly

Ngày tải lên: 04/07/2014, 13:21

... Transport Layer Security Wireless Transport Layer Security (WTLS) is an attempt by the WAP Forum to introduce a measure of security into WAP The WTLS Protocol is based on the Transport Layer Security ... security, other mechanisms should be utilized such as authentication, access control, password protection, and virtual private networks (VPNs) Despite its flaws, WEP still offers a level of security ... 802.11 standard should overcome many of the limitations of the original security options and should make WEP more appealing as a security solution Additionally, as WLAN technology gains popularity

Ngày tải lên: 04/07/2014, 13:21

... choose their security solutions The latest and greatest security technology can be installed and 3 should still work with the existing infrastructure You can respond quickly to security issues ... Wireless provides convenience and mobility, but also poses massive security challenges for network admin-istrators, engineers, and security administrators Secu-rity for 802.11 networks can be broken ... identified by username, not by the MAC addresses of the devices This design not only enhances security, but also streamlines the process of authentication, authorization, and accountability

Ngày tải lên: 04/07/2014, 13:21

... techniques to begin an attack on the network Note Keep in mind that the most popular wireless network security scanning tools are Ethe-real, NetStumbler, AiroPeek, and Kismet This will help you to analyze ... wireless transmis-sion, has highlighted the art of spoofing as a real threat to wireless network security Some well-publicized weaknesses in user authentication using WEP have made authentication ... duration of the attack Creating a hijacked AP DoS requires additional tools that can be found on many security sites Many apartments and older office buildings are not prewired for the high-tech networks

Ngày tải lên: 04/07/2014, 13:21

... security on a Windows XP Professional computer is outlined in Exercise 5.1 Trang 2Configuring Windows Client Computers for Wireless Network Security 217ExErcisE 5.1 Enabling WEP and 802.1x security ... 5.15 Configuring 802.1x Security. Trang 4Configuring Windows Client Computers for Wireless Network Security 219FIGurE 5.16 Windows Vista Network Icon. For increased security, ensure that the ... your wireless network offline CoNFIGurING wINdowS ClIENT CoMpuTErS For wIrElESS NETworK SECurITy Wireless LAN security is provided through a myriad of solutions Some of these mechanisms are internal

Ngày tải lên: 04/07/2014, 13:21

... is attached This decreases the amount of unnecessary traffic on the network and also increases security. Layer 3 switches operate at the network layer and are really a specialized type of router ... Protocol (UDP) headers They can provide access control lists (ACLs) to filter traffic for better security and are able to control bandwidth allocation for load balancing purposes Some routers also

Ngày tải lên: 04/07/2014, 13:21

... scalability of multicast routing ■ ■ The ■ ■ anycast address A streamlined header ■ ■ Improved security (security extension headers, integrated data ■ ■ integrity) Better performance (aggregation, ... header ■ ■ Trang 7Routing header■ ■ Fragment header ■ ■ Authentication header (AH) ■ ■ Encapsulating Security Payload header ■ ■ There is not much you need to master about IPv6 for the Network exam ... skill that will be used throughout your career in Information Technology and throughout many other certification exams, not just the Network exam Take the time to understand this information thoroughly

Ngày tải lên: 04/07/2014, 13:21