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quot all risk quot form of property insurance burden of proof that particular loss is not covered is on insurer

CISSP Study Notes From CISSP Prep Guide

CISSP Study Notes From CISSP Prep Guide

Kĩ thuật Viễn thông

... PERILS" FORM OF PROPERTY INSURANCE: BURDEN OF PROOF THAT PARTICULAR LOSS IS COVERED IS ON INSURED 78 UNDER "ALL RISK" FORM OF PROPERTY INSURANCE: BURDEN OF PROOF THAT PARTICULAR LOSS IS NOT ... Remedies n Risk Reduction - implementation of controls to alter risk position n Risk Transference – get insurance, transfer cost of a loss to insurance n Risk Acceptance – Accept the risk, absorb loss ... organization Identification of Risk n Actual threat n Possible consequences n Probable frequency n Likely hood of event Risk Analysis n Identification of risks n Benefit - cost justification of counter...
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triển khai VPN nguồn mở Openswan

triển khai VPN nguồn mở Openswan

An ninh - Bảo mật

... (Access Control) Toàn vẹn phi kết nối (Connectioness Integrity) Xác thực nguồn gốc liệu (Data origin authenticaton) Hủy các gói dùng lại (Rejection of replayed packets) Bảo mật (Confidentiality) ... thiết lập một SA Trong payload Trong payload tham số DOI (Domain of Interpretation) DOI mà thỏa thuận sử dụng IPSec DOI một ví dụ ISAKMP có thể dùng phạm vi khác Tham số Situation định nghĩa sách ... type - DOI not supported - Situation not supported - Invalid Cookie - Invalid SPI - Invalid trasform IP - No Proposal Chosen Chỉ có một thông báo trạng thái ISAKMP định nghĩa Connected, với...
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CCNA Layer 2 Switching - Virtual Local Area Networks Lab Scenario

CCNA Layer 2 Switching - Virtual Local Area Networks Lab Scenario

Quản trị mạng

... that are members of VLAN is displayed This process continues until all STP information for all VLANs has been displayed Section - Configuring ISL Routing In this section, you will configure inter-VLAN ... STP information for all ports that are members of each VLAN, beginning with VLAN When all STP information for ports that are members of VLAN have been displayed, information for all ports that ... SwitchA# Note the Configuration revision number is even though on this switch four new VLANs have been created When a switch has been configured in VTP transparent mode, the configuration revision...
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Tài liệu Chapter 2 Internet Protocols ppt

Tài liệu Chapter 2 Internet Protocols ppt

Chứng chỉ quốc tế

... User Datagram Protocol(UDP) UDP 协议的最他特点是无连接(connectionless),即不可靠,因为它不与对方进行协商并连接,它 也不会给数据段标号,也不关心数据段是否到达接受方 Key Concepts of Host-to-Host Protocols 现在把 TCP 协议和 UDP 协议的一些特性做个比较: 1.TCP.协议在传送数据段的时候要给段标号;UDP ... 广播:发送给网络上所有节点 3.单播(unicast):发送给单独某个目标主机 4.多播:由 台主机发出,发送给不同网络的许多节点 Introduction to Network Address Translation(NAT) NAT 一般都操作在 Cisco router 上,用于连接 个网络,同时把私有地址翻译公有地址 一些 NAT 的种类以及特点: 1.静态 NAT(static NAT):本地地址和全局地址一一对应.这样的方式需要你拥有真正的 ... 5.Traceroute:根据 ICMP 协议信息来跟踪数据在网络上的路径,经过哪些跳 Address Resolution Protocol(ARP) 地址解析协议(ARP)用于根据 个已知的 IP 地址查找硬件地址.它把 IP 地址翻译成硬件地址 Reverse Address Resolution Protocol(RARP) RARP 协议用于把 MAC 地址翻译成 IP 地址 IP Addressing...
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Tài liệu Chapter7 Layer 2 Switching ppt

Tài liệu Chapter7 Layer 2 Switching ppt

Chứng chỉ quốc tế

... 接口下,另外要注意打开接口 Configuring Interface Description 配置描述信息,在接口配置模式下使用 description 命令,1900 下的描述信息不能使用空格键, 如下: 1900(config)#int e0/1 1900(config-if)#description Cisco_VLAN 1900(config-if)#int f0/26 1900(config-if)#description ... 开始变黄.假如你的 console 线缆接好了的话,POST 开始显示菜单,如下: user(s) now active on Management Console User Interface Menu [M] Menus [K] Command Line [I] IP Configuration Enter Selection:K CLI session with the switch is ... number Switch(config)#line vty 15 Switch(config-line)#login Switch(config-line)#password noko Switch(config-line)#line Switch(config-line)#login Switch(config-line)#password noco Switch(config-line)#exit...
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Tài liệu Nortel VPN Router Configuration — Tunneling Protocols pptx

Tài liệu Nortel VPN Router Configuration — Tunneling Protocols pptx

Quản trị mạng

... Internet connection is up, the remote user launches a second connection that specifies a connection to a VPN Router Instead of a telephone number to establish the link, the second connection uses ... care and discretion Customer uses with its own similar information that it does not wish to disclose, publish or disseminate Customer will ensure that anyone who uses the Software does so only in ... on- demand connections 13 Set the Keepalive (on- demand connections) parameter Keepalive (on- demand connections) has a default of disabled Enabling this allows for a quicker detection of lost connectivity...
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Tài liệu Lab 11.2.4 Protocol Inspector, TCP and HTTP doc

Tài liệu Lab 11.2.4 Protocol Inspector, TCP and HTTP doc

Quản trị mạng

... Reflection How did this lab help to visualize the TCP protocol in action? _ ... _ 2-2 CCNA 1: Networking Basics v 3.0 – Lab11.2.4 Copyright  2003, Cisco Systems, Inc ...
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Tài liệu Chapter 4: Configuring Layer 1 and Layer 2 Features docx

Tài liệu Chapter 4: Configuring Layer 1 and Layer 2 Features docx

Quản trị mạng

... AT8/1/0 SONET 9/0/0 • SigType NA NA NA NA Mode/QL NA/Dis Sync/Dis NA/Dis NA/Dis Prio 251 1 QL_IN NA NA NA NA ESMC Tx Dis Dis Dis Dis ESMC Rx Dis Dis Dis Dis You can use show network-clocks synchronization ... synchronization Symbols: En - Enable, Dis - Disable, Adis - Admin Disable NA - Not Applicable * - Synchronization source selected # - Synchronization source force selected & - Synchronization source ... mutually exclusive Configuring Synchronous Ethernet on the Cisco 7600 Router with ES+ Line Card This section describes how to configure SyncE for Cisco 7600 Router SyncE is implemented on Cisco...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Cross Layer PHY-MAC Protocol for Wireless Static and Mobile Ad Hoc Networks" pot

Báo cáo khoa học

... reduction of the number of collisions The goal is not only to lower the number of collisions, but also to save energy If we reflect on the reason why messages collide, it becomes clear that this is ... if a retransmission occurs but the noise level is low, a collision is not necessarily the reason of the failed transmission There exists a high probability that the transmission of the packet failed, ... mobile conditions, (iv) verification of the importance of the transmission failure history by tuning the χ value The goal of the second scenario is the investigation of the behavior of the considered...
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BÁO CÁO ĐỀ TÀI CÔNG NGHỆ MẠNG LAYER 2 VPN

BÁO CÁO ĐỀ TÀI CÔNG NGHỆ MẠNG LAYER 2 VPN

Quản trị mạng

... liên quan đến việc thiết lập AToM Pseudowire, Nontargeted LDP Session Targeted LDP Session Nontargeted LDP Session: thiết lập thông qua LDP Basic Discovery Router PE Router P kết nối trực tiếp ... Session: thiết lập thông qua LDP Extended Discovery Router PE Nó gọi Targeted LDP Session chúng gửi định kì tin Targeted Hello cho Targeted LDP Session phân phối nhãn Pseudowire Đối với Cisco ... backbone MPLS bên cạnh thích hợp với việc vận chuyển traffic lớp AToM cung cấp giải pháp nhằm tận dụng MPLS backbone để vận chuyển traffic lớp mà không cần phải xây dựng lúc hai mạng chạy song song...
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Module 7- Lesson 2 IGMP and Layer 2 issues ppsx

Module 7- Lesson 2 IGMP and Layer 2 issues ppsx

Quản trị mạng

... IGMP is enabled on interface Current IGMP version is CGMP is disabled on interface IGMP query interval is 60 seconds IGMP querier timeout is 120 seconds IGMP max query response time is 10 seconds ... access group is not set Multicast routing is enabled on interface Multicast TTL threshold is Multicast designated router (DR) is 1.1.1.1 (this system) IGMP querying router is 1.1.1.1 (this system) ... IGMP Version Running Determining which IGMP version is running on an interface rtr-a>show ip igmp interface e0 Ethernet0 is up, line protocol is up Internet address is 1.1.1.1, subnet mask is 255.255.255.0...
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tìm hiểu cách phòng chống tấn công layer 2 trên nền tảng switch router cisco

tìm hiểu cách phòng chống tấn công layer 2 trên nền tảng switch router cisco

Công nghệ thông tin

... cơng layer2 switch/ cisco ̀ ̀ 50 Tài liệu tham khảo  Cisco Systems, Inc., Configuring Port Security: http://cisco.com/en/US/products/hw/switches/ps4324/products_configuration_gu ide_chapter09186a008019d0de.html ... cisco ̀ ̀ 47 Switch(config)# ip arp inspection vlan vlan_id Cho phep DAI mơt VLAN hoăc ́ ̣ ̣ phạm vi VLAN [,vlan_id] Cho phep DAI mơt giao diên va ́ ̣ ̣ ̀ Switch(config-if)# ip arp inspection ... ide_chapter09186a008019d0de.html  Cisco Systems, Inc., Understanding and Configuring DHCP Snooping: http://cisco.com/en/US/partner/products/hw/switches/ps663/products_configurati on_ guide_chapter09186a00800dde9f.html#30724...
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BÁO CÁO THỰC TẬP-MỘT SỐ PHƯƠNG THỨC TẤN CÔNG LAYER 2

BÁO CÁO THỰC TẬP-MỘT SỐ PHƯƠNG THỨC TẤN CÔNG LAYER 2

Cao đẳng - Đại học

... ITU-T ( International TelecommunicationUnion-Telecommunication - Standardization Sector), trước Uỷ ban cố vấn điện thoại điện tín quốc tế - CCITT ( Consultative Committee for International Telegraph ... ethernet: kiểu ISL (Inter Switch Link) Cisco chuẩn 802.1q IEEE Cấu trúc gói tin đóng theo kiểu ISL (Inter Switch Link) có dạng: 35 Hình 2.2: Cấu trúc đóng gói ISL Trong chuẩn ISL Cisco dùng đến ... nối vào môi trường truyền dẫn Các vùng phân chia gọi collision domain.Chức switch vận chuyển frame lớp qua lại collision domain Các collision domain gọi đoạn mạng LAN (LAN segment) Để vận chuyển...
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CCNA Lab - Solution Rev1.0 Layer 2 Switching

CCNA Lab - Solution Rev1.0 Layer 2 Switching

Công nghệ thông tin

... RX Only : None TX Only : None Both : None Source VLANs : RX Only : None TX Only : None Both : 13,23 Source RSPAN VLAN : None Destination Ports : Fa1/0/4 Encapsulation : Native Ingress : Disabled ... : None Dest RSPAN VLAN : None Task 2.11: 3550-CE6(config)# monitor session destination interface Fa0/18 3550-CE6(config)# monitor session source remote vlan 123 10 This product is individually ... 3750-M-CE4(config)#monitor session source vlan 13 , 23 3750-M-CE4(config)#monitor session destination interface fastEthernet 1/0/4 ! 3750-M-CE4#sho monitor detail Session Type : Local Session Source...
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Một số giải pháp nâng cao chất lượng hệ thống switch layer 2 ở viễn thông hà nội

Một số giải pháp nâng cao chất lượng hệ thống switch layer 2 ở viễn thông hà nội

Thạc sĩ - Cao học

... độ người tiêu dùng, theo quan điểm tổ chức kiểm tra chất lượng Châu Âu – European Organisation For Quality Control: “Chất lượng sản phẩm lực sản phẩm dịch vụ thoả mãn nhu cầu đòi hỏi người sử dụng” ... vụ đáp ứng tốt vượt mong đợi họ (Czepiel, 1990) Parasuraman, Zeithaml, Berry, (1985) mô tả chất lượng dịch vụ kỹ tổ chức đáp vượt mong đợi khách hàng Sasser, Olsen, & Wyckoff (1978) (dẫn theo ... vụ đáp ứng tốt vượt mong đợi họ (Czepiel, 1990) Parasuraman, Zeithaml, Berry, (1985) mô tả chất lượng dịch vụ kỹ tổ chức đáp vượt mong đợi khách hàng Sasser, Olsen, & Wyckoff (1978) (dẫn theo...
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Layer 3 MPLS VPN Enterprise Consumer Guide Version 2

Layer 3 MPLS VPN Enterprise Consumer Guide Version 2

Quản trị mạng

... migration, it is assumed that you have completed the task of actually choosing a service provider that meets the needs of your enterprise As part of making this decision, you now have a good idea of ... Enterprise Consumer Guide Version OL-8851-01 25 Connecting to an MPLS/VPN Service Provider One of the advantages of using the same AS for every site is that it reduces the chance of AS collisions ... prevention must be disabled This is typically done by requesting that the SP adjust the AS PATH through the use of the as-override command This is illustrated in Figure 13, where PE-2 is configured...
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Introduction to Fluke Protocol Inspector 2

Introduction to Fluke Protocol Inspector 2

Quản trị mạng

... the resulting window The one piece of new information is the Speed: showing the NIC transmission rate Click on the Frame Size Distribution button to see a distribution of the size frames being ... Application layer conversations The following is an example of the Network Layer (IP/IPX) conversations buttons, the first is the VLAN button that shows network Of the next two traffic on VLANs ... buttons, you will notice that some are muted-meaning that the feature is not appropriate under current circumstances or in some cases not supported on the educational version Note: There is a...
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Tài liệu Chapter 3 - Application Layer Functionalityand Protocols CCNA Exploration 4.0 docx

Tài liệu Chapter 3 - Application Layer Functionalityand Protocols CCNA Exploration 4.0 docx

Quản trị mạng

... the destination device Compression of the data in a manner that can be decompressed by the destination device Encryption of the data for transmission and the decryption of data upon receipt by ... general networking context, any device that responds to requests from client applications is functioning as a server A server is usually a computer that contains information to be shared with ... (FTP) is another commonly used Application layer protocol FTP was developed to allow for file transfers between a client and a server An FTP client is an application that runs on a computer that is...
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Tài liệu Lab Exercise 2 - Inter-VLAN Routing and Multi-layer Switching pdf

Tài liệu Lab Exercise 2 - Inter-VLAN Routing and Multi-layer Switching pdf

Quản trị mạng

... configuration from lab exercise b Configure and address a sub-interface for each VLAN http://www.certificationzone.com/studyguides /?Issue=36&IssueDate=05-01-2001&CP= 11/06/01 CertificationZone ... If any pings fail, something is not right in your configuration Wait 256 seconds for all flows to age out of the MLS cache on the switch Start a continuous stream of pings between PC-2 and PC-3 ... Router(config)#int fa 0/0.1 Router(config-subif)#ip access-group 101 http://www.certificationzone.com/studyguides /?Issue=36&IssueDate=05-01-2001&CP= 11/06/01 CertificationZone Page of Router(config-subif)#int...
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