addressing the network ipv4

... assigned to networks by ISPs and within networks by administrators Determine the network portion of the host address and explain the role of the subnet mask in dividing networks Given IPv4 addressing ... www.bkacad.com 41 Testing the Network Layer • Describe the general purpose of the PING command, trace the steps of its operation in a network, and use the ping command to determine if the IP protocol is ... of a multi-layered network, address range, number of hosts in each network and the ranges for each network, create a network scheme that assigns addressing ranges to each network Refer to 6.5.6.1...

Ngày tải lên: 22/12/2013, 13:17

... assigned to networks by ISPs and within networks by administrators  Determine the network portion of the host address and explain the role of the subnet mask in dividing networks  Given IPv4 addressing ... Public 30 Testing the Network Layer  Describe the general purpose of the ping command, trace the steps of its operation in a network, and use the ping command to determine if the IP protocol is ... rights reserved Cisco Public 23 Determine the network portion of the host address and the role of the subnet mask  Observe the steps in the ANDing of an IPv4 host address and subnet mask © 2007 Cisco...

Ngày tải lên: 20/06/2014, 12:20

Ngày tải lên: 17/09/2012, 09:13

... with the network cable plant • Secure removable media • Harden network devices • Design network topologies Working with the Network Cable Plant • Cable plant: physical infrastructure of a network ... Securing the Cable Plant • Securing cabling outside the protected network is not the primary security issue for most organizations • Focus is on protecting access to the cable plant in the internal network ... access the internal network directly through the cable plant has effectively bypassed the network security perimeter and can launch his attacks at will Securing the Cable Plant (continued) • The...

Ngày tải lên: 17/09/2012, 10:43

... router… Khả kết nối SAN • Thuộc lớp thấp: phần bao gồm kết nối thuộc tầng datalink network • Giao diện Ethernet: Ethernet thường sử dụng để kết nối máy chủ với máy chủ máy chủ với máy trạm • Fibre ... trữ() • Ba phương thức hợp lưu trữ phổ biến nay: – Network- Attached Storage (NAS) – Redundant array of independent disks (RAID) – Storage Area Network (SAN) Các công ty muốn từ kỹ thuật lưu trữ ... trình ứng dụng Mối liên quan việc lưu trữ truyền thống Hợp việc lưu trữ • SAN (Storage Area Network) NAS (Network Attached Storage) hai cách để tổ chức lại hệ thống vào nguồn lưu trữ máy chủ lớn...

Ngày tải lên: 17/09/2012, 10:43

... sent to the HLR The HLR, in turn, forwards the triplets to the VLR, which uses them as input parameters for authentication and ciphering The Glossary provides a detailed description of the authentication ... which queries the HLR and then forwards the call to the MSC where the called party is currently located 4.3.2 The Relationship Between MSC and VLR The sum of the MSC areas determines the geographic ... scenario, the old VLR hands over the related data to the new VLR There are times when the new VLR has to request the subscriber’s HLR for additional data This question then arises: Does the HLR...

Ngày tải lên: 19/10/2013, 03:20

... Access Network A network attached to the trunk of a backbone network This type of connection usually requires a gateway or a router, depending on the types of networks that comprise the backbone network ... AppleTalk network s s EtherTalk, Apple’s implementation of the 10 megabit per second (Mbps) Ethernet architecture Two versions of EtherTalk exist The earlier one, EtherTalk Phase 1, is modeled on the ... can be used with either Ethernet or Token Ring cards (but not both at the same time or in the same network) Because the demand priority access method can be deterministic, the 100BaseVG/AnyLAN...

Ngày tải lên: 22/10/2013, 15:15

... doesn’t provide a true picture of the network, only the specific point under test Cost roadblocks Network operators don’t always see the value of VAMs until after they experience a E C H N O L O ... without exposing the other fiber to the risk of breaking and taking down service Many transmission equipment vendors build in performance monitoring functions into their equipment There is a mistaken ... alarms is done at the path terminating points within long haul or metro routes, making it difficult to locate the exact point of the problem VAMs located at strategic points in the network simplify...

Ngày tải lên: 22/10/2013, 18:15

... traffic The pattern is carried on the network or circuit under test, then test equipment at the receive point determines whether the transmission is successful (without errors) At this point, the ... luck, the CLEC can find the one or two prevent loss of business It people who are familiar with the gives the service provider equipment, then wait for them to go flexibility in choosing the test ... to the rear, the other to the front lems For example, an ILEC hands off OC-12 One approach is to (622-Mbit/sec) optical bandwidth to disconnect the connecan Internet service provider (ISP); the...

Ngày tải lên: 10/12/2013, 16:15

... Devices and their Role on the Network • The network devices that people are most familiar with are called end devices These devices form the interface between the human network and the underlying ... www.bkacad.com The Internet – A Network of Networks • • • A global mesh of interconnected networks (internetworks) meets these human communication needs The Internet is created by the interconnection of networks ... describe network functionality Describe the role of each layer in two recognized network models: The TCP/IP model and the OSI model Describe the importance of addressing and naming schemes in network...

Ngày tải lên: 12/12/2013, 14:15

... from one end of the fiber to another (see Figure 1) By improving the bend radius of optical fiber, light entering the core is effectively reflected by the cladding back into the core Instead ... ten times the outside diameter of the jacketed cable or 1.5" (38 mm), whichever is greater This new breed of flexible singlemode optical fiber has the potential to significantly reduce these minimum ... impact on network performance For purposes of accuracy, ADC uses the term “reduced bend radius,” because this title best describes what the product actually delivers This paper will discuss the proper...

Ngày tải lên: 21/12/2013, 07:17

... Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited without ... permission Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited without ... permission Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited without...

Ngày tải lên: 22/12/2013, 21:16

... Mac's —will the connecting to the Internet GEM IN THE ROUGH Networking Without the Network In a pinch, you can connect two Macs without any real network at all You can create an Ethernet connection ... showing the icons for all the computers on the local network Double-click the one you want, enter the account password, if necessary, and you're in Whether you've set up your own wireless network ... your menulet, choose Create Network Make up a name for your little private network, and then click OK On the second Mac, choose Join Network, enter the same private network name, and click Join...

Ngày tải lên: 21/01/2014, 04:20

... the same whether wireless VoIP is being used or not; therefore, they are outside the scope of this paper It may seem counterintuitive to think that the way you configure the AP could affect the ... through its current AP and to the new AP through the wired LAN Once the handset authenticates to the new AP, it then stores the PMK that is created during 802.1X/EAP authentication (PMK caching) ... wired LANs Perhaps the most important concept to understand is that going from an Ethernet (802.3) network to a Wi-Fi (802.11) network only affects the lowest two layers of the network From layer...

Ngày tải lên: 24/01/2014, 09:20

... underneath shows the rim of the mirror, which raises the mirror’s center of mass The lower mass increases resonance frequency The mass of the circular mirror is about twice the mass of the perforated ... slight turns Sliders positioned on the torso of the robot actuate legs External forces applied to the sliders pull on the microhinged tethers These forces represent the minimum force requirement for ... the original system Furthermore, the reduced-order model can also be used for other analysis and synthesis of the original system Applying these reduced-order techniques to the 11,706-order micromirror...

Ngày tải lên: 25/01/2014, 13:20

... Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited without ... permission Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited without ... permission Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited without...

Ngày tải lên: 27/01/2014, 11:20

... about: their experiences as a child, the parent’s hopes and expectations for the child’s future, and the parent’s relationship with other people The therapist observes and gives feedback on the ... assistance The services, as with the other mental health consultation programs, focused on improving the capacity of the caregivers and improving their relationships with each other and the children ... not meet the standard in providing adequate services to meet the “physical and mental well-being” of the children under their care.13 Only two states rated mental health for the children they served...

Ngày tải lên: 12/02/2014, 19:20

Ngày tải lên: 21/02/2014, 08:20

... share their views and queries on the case Tutors should guide students to focus the discussion on the most relevant elements of the case Please keep in mind that the main objective of the session ... describe the reproductive and anthropometric profiles of women Analyze with the team the relevance of the maternal clinical record (MCR) Analyze with the team the characteristics of the reproductive ... deficiencies Therefore much more attention should be paid to the nutritional needs of girls, adolescents and young women, in order to strengthen their overall health, protect them from the cumulative...

Ngày tải lên: 05/03/2014, 15:20

... Not Installed in the Translation Table? • Verify that: – The configuration is correct – There are not any inbound access lists denying the packets from entering the NAT router – The access list ... the NAT router – The access list referenced by the NAT command is permitting all necessary networks – There are enough addresses in the NAT pool – The router interfaces are appropriately defined ... Router(config-if)#ip nat inside • Marks the interface as connected to the inside Router(config-if)#ip nat outside • Marks the interface as connected to the outside © 2002, Cisco Systems, Inc All...

Ngày tải lên: 06/03/2014, 15:20