ccna exploration 4 0 accessing the wan chapter 2 answers

... of DS0s –A T1 = 24 DSOs, –A T1C = 48 DSOs (or 2 T1s), and so on ƒ E1 : Outside North America, 32 DS0 units are multiplexed for E1 transmission at 2.048 Mb/s Trang 12Demarcation Point ƒ The ... –Data is encapsulated by the sending router –The frame is sent on a physical medium to the WAN –There are various ways to traverse the WAN, –The receiving router uses the same communications ... RS-232C interface that a computer uses to exchange data with a modem or other serial device •The DCE is the RS-232C interface that a modem or other serial device uses in exchanging data with the

Ngày tải lên: 05/07/2014, 03:20

... provided by the Cisco IPS 4200 series sensors This sensor identifies, classifies, and stops malicious traffic on the network ƒ Cisco NAC Appliance –The Cisco NAC appliance uses the network ... Assembling a security policy can be daunting The ISO and IEC have published a security standard document called ISO/IEC 27002 The document consists of 12 sections: –Risk assessment –Security policy ... Trang 11 Accessing the WAN – Chapter 4 Trang 2Objectives ƒ In this chapter, you will learn to: – Identify security threats to enterprise

Ngày tải lên: 05/07/2014, 03:20

... describes the interface between the DTE and the DCE –EIA/TIA-232 - This protocol allows signal speeds of up to 64 kb/s on a 25-pin D-connector over short distances It was formerly known as RS-232 The ... called ITU) ƒ 48 bytes of data per ATM cell –European community wanted 32 bytes of data per ATM cell –American community wanted 64 –Result: compromise! •(32 + 64) / 2 = 48 •thus, 48 bytes of ... formerly known as RS-232 The ITU-T V.24 specification is effectively the same –EIA/TIA-449/530 - This protocol is a faster (up to 2 Mb/s) version of EIA/TIA-232 It uses a 36-pin D-connector and

Ngày tải lên: 05/07/2014, 03:20

... tell the network how the frame should be routed –The frame uses DLCI 102 It leaves the router (R1) using Port 0 and VC 102 –At switch A, the frame exits Port 1 using VC 432 –This process of ... applies to the entire Frame Relay interface Trang 19Local Management Interface (LMI) ƒ The 10-bit DLCI field supports 1,024 VC identifiers: 0 through 1023 –The LMI extensions reserve some of these ... because the number of links required increases dramatically –The issue is not with the cost of the hardware, but because there is a theoretical limit of less than 1,000 VCs per link In practice, the

Ngày tải lên: 05/07/2014, 03:20

... –access-list 2 deny 192.168.10.1 –access-list 2 permit 192.168.10.0 0.0.0.255 –access-list 2 deny 192.168.0.0 0.0.255.255 –access-list 2 permit 192.0.0.0 0.255.255.255 If packets are not permitted, they ... 192.168.22.0 0.0.0.255 – R1(config)# access-list 10 permit 192.168.23.0 0.0.0.255 – R1(config)# access-list 10 permit 192.168.24.0 0.0.0.255 – R1(config)# access-list 10 permit 192.168.25.0 ... 192.168.25.0 0.0.0.255 – R1(config)# access-list 10 permit 192.168.26.0 0.0.0.255 – R1(config)# access-list 10 permit 192.168.27.0 0.0.0.255 – R1(config)# access-list 10 permit 192.168.28.0 0.0.0.255

Ngày tải lên: 05/07/2014, 03:20

... specifies the channel widths (bandwidths of each channel) •DOCSIS 1.0: 200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, •DOCSIS 2.0: 6.4 MHz – MAC layer: Defines a deterministic access method (time-division ... time, •The remote user, for example, then downloads his email from the mail server at 10.10.0.5, and downloads a document from the Archive at 10.2.3.4 Next, without exiting the tunnel, the remote ... http://www.pcta.com/news/walson.php?PHPSESSID=bad26d0ac5fd 8e02fb67d0d5045a6fab Trang 1212 What is a Cable System? ƒ The “cable” in cable system refers to the coaxial cable that carries radio frequency (RF) signals across the network

Ngày tải lên: 05/07/2014, 03:20

... When traffic from PC1 is destined for the web server at 209.165.201.1, router R2 must translate the address In this case, IP address 209.165.200.226 is used as the inside global address for PC1 Outside ... Trang 1© 2006 Cisco Systems, Inc All rights reserved Cisco Public Accessing the WAN – Chapter 7 Trang 2© 2006 Cisco Systems, Inc All rights reserved Cisco Public Objectives Trang 3© 2006 Cisco ... In the figure, assume that an ISP has been configured to provide select customers with IP addresses from the 209.165.201.0 / 27 range The ouput confirms the assigned address Trang 15© 2006

Ngày tải lên: 05/07/2014, 03:20

... topology, with the hubs of the stars linked to form the region •interconnect the regions to form the core of the WAN – Regions could be geographic, connecting between three and 10 areas, and the hub ... than the common LAN bandwidth –The charges for link provision are the major cost element, therefore the WAN implementation must aim to provide maximum bandwidth at acceptable cost Trang 24Steps ... 24Steps in WAN Design these are the steps for designing or modifying a WAN: ƒ Step 1 Locate LANs - Establish the source and destination endpoints that will connect through the WAN ƒ Step 2 Analyze

Ngày tải lên: 05/07/2014, 03:20

... Scenario 238 Task 1: Prepare the Network 240 Task 2: Perform Basic Router Configurations 240 Task 3: Secure Access to Routers 240 Task 4: Secure Access to the Network 242 Task 5: Logging Activity ... Errors 274 Task 3: Document the Corrected Network 274 Task 4: Clean Up 282 Packet Tracer Skills Integration Challenge 283 Task 1: Configure Routing 284 Task 2: Configure OSPF Authentication 284 Task ... Challenge 400 Task 1: Apply Basic Configurations 402 Task 2: Configure PPP Encapsulation with CHAP 402 Task 3: Configure Dynamic and Default Routing 403 Task 4: Configure Routers Using DHCP 403 Task

Ngày tải lên: 28/02/2019, 15:45

... Loopback1 172.20.0.1 YES manual up up Loopback2 172.30.0.1 YES manual up up Serial0 192.168.1.2 YES NVRAM up up 172.16.10.0/24 lo1 172.16.20.0/24 lo2 172.16.30.0/24 lo3 172.16.40.0/24 lo4 Trang ... Loopback1 C 172.30.0.0/16 is directly connected, Loopback2 C 192.168.1.0/24 is directly connected, Serial0 172.16.10.0/24 lo1 172.16.20.0/24 lo2 172.16.30.0/24 lo3 172.16.40.0/24 lo4 Trang 32Static ... 172.0.0.0 255.0.0.0 serial1 RouterB(config)#ip route 160.0.0.0 240.0.0.0 serial1 C 172.16.2.0 is directly connected, Serial0 C 172.16.3.0 is directly connected, FastEthernet0 C 192.168.1.0/24

Ngày tải lên: 18/03/2014, 14:20

... edge router to the ISP network – When a router has only one other router to which it is connected This condition is known as a stub router – Using command: ip route 0.0.0.0 0.0.0.0 {exit Interface, ... working Trang 40Static Routes with Ethernet Interfaces• Ethernet interfaces and ARP If a static route is configured on an Ethernet link – If the packet is sent to the next-hop router then the destination ... Trang 1Chapter 2-Static RoutingCCNA Exploration 4.0 Trang 2• Define the general role a router plays in networks. • Describe the directly connected networks, different

Ngày tải lên: 06/07/2014, 06:44

... the OSI Layer 1 and Layer 2 requirements: – Physical layer - For data signals that the cable operator can use, DOCSIS specifies the channel widths (bandwidths of each channel) as 200 kHz, 400 ... continually on the move. Trang 27Broadband Wireless• The most common standards are included in the IEEE 802.11 wireless local area network (WLAN) standard, which addresses the 5 GHz and 2.4 GHz public ... (unlicensed) spectrum bands • The 802.11n standard is a proposed amendment that builds on the previous 802.11 standards by adding multiple-input multiple-output (MIMO). • The 802.16 (or WiMAX) standard

Ngày tải lên: 06/07/2014, 09:29

... (21-22/7/2017), công nhận các chương trình Thái 4.0 và NÔNG NGHIỆP 4.0 ở Thái Lan Trang 192 Khái niệm và xuất xứ của nông nghiệp 4.01) Nông nghiệp 1.0 Đầu thế kỷ 20, tốn sức lao động, NS thấp Nền NN đòi ... vừa tham quan NN4.0 sôi động ở Anh Quốc (Tháng 6/2017);Dr Pichet, Viện trưởng Viện Cây trồng lượng thực và Cây Năng lượng tái tạo, Bangkok vừa cùng dự họp ở Cần Thơ (21-22/7/2017), công nhận ... Hiệu quả của mô hình smart agriculture (4.0)Urban farming, waste management expert  Published on March 11, 2017 LikeDoubling the income of farmers by 2022 via precision agriculture and urban

Ngày tải lên: 19/11/2017, 10:44

... Technology 202 12.3 Industrial Applications of AR 204 12.3.1 Maintenance 204 12.3.2 Assembly 207 12.3.3 Collaborative Operations 208 12.3.4 Training 210 12.4 Conclusion 212 References ... 63 4.2.1 IMPULS—Industrie 4.0 Readiness (2015) 63 4.2.2 Industry 4.0/Digital Operations Self-Assessment (2016) 65 4.2.3 The Connected Enterprise Maturity Model (2016) 66 4.2.4 Industry ... 218 13.2.1 Stereolithography 219 13.2.2 3DP 219 Trang 1213.2.3 Fused Deposition Modeling 21913.2.4 Selective Laser Sintering 220 13.2.5 Laminated Object Manufacturing 220 13.2.6

Ngày tải lên: 06/05/2020, 10:55

... devices were in use in 2017, up 31 percent from 2016, and this will likely reach 20.4 billion by 2020 Total spending on IoTendpoints and services will reach almost $2tn in 2017, with two-thirds ... human 60% of the participants thought technological level really affected the Reliability andthey chose number 8 to 10 for the answer, the rest 40% chose number 3 to 7 (28% for 3-5 and12% for ... for 6 and 7) The vast majority of the answers (roughly 90%) agreed that the more automatic thetechnology is, the more accurate the accounting They chose between number 8 and 10 The connectivity

Ngày tải lên: 10/07/2020, 07:23

... devices were in use in 2017, up 31 percent from 2016, and this will likely reach 20.4 billion by 2020 Total spending on IoTendpoints and services will reach almost $2tn in 2017, with two-thirds ... human 60% of the participants thought technological level really affected the Reliability andthey chose number 8 to 10 for the answer, the rest 40% chose number 3 to 7 (28% for 3-5 and12% for ... for 6 and 7) The vast majority of the answers (roughly 90%) agreed that the more automatic thetechnology is, the more accurate the accounting They chose between number 8 and 10 The connectivity

Ngày tải lên: 10/07/2020, 07:23

... khoa - Website: www.bkacad.com Chapter 2 - Communicating over the Network CCNA Exploration 4. 0CCNA Exploration 4. 0 End Devices and their Role on the Network • The network devices that people ... Devices and their Role on the Network • Intermediary devices to provide connectivity and to work behind the scenes to ensure that data flows across the network. • These devices connect the individual ... research, the ISO created a network model that helps vendors create networks that are compatible with other networks. • The Open System Interconnection (OSI) reference model released in 19 84 was the...

Ngày tải lên: 12/12/2013, 14:15

... running the FTP daemon (FTPd). • The client establishes the first connection to the server on TCP port 21 . The client establishes the second connection to the server over TCP port 20 . • The file ... Functionalityand Protocols CCNA Exploration 4. 0CCNA Exploration 4. 0 DNS - Example Học viện mạng Bách khoa - Website: www.bkacad.com FTP • The File Transfer Protocol (FTP) is another commonly used Application ... request message to a server, the HTTP protocol defines the message types the client uses to request the web page and also the message types the server uses to respond. The three common message...

Ngày tải lên: 12/12/2013, 14:15

... affecting the success of communication include: – The quality of the pathway between the sender and the recipient – The number of times the message has to change form – The number of times the message ... Networks Học viện mạng Bách khoa - Website: www.bkacad.com Chapter 1 - Living in a Network Centric World CCNA Exploration 4. 0CCNA Exploration 4. 0 Học viện mạng Bách khoa - Website: www.bkacad.com Networking ... readressed – The number of other messages being transmitted simultaneously on the Học viện mạng Bách khoa - Website: www.bkacad.com – The number of other messages being transmitted simultaneously on the...

Ngày tải lên: 12/12/2013, 14:15

... www.bkacad.com Speed and Types of Ports/Interfaces • The speed : 10/ 100 / 100 0 Mbps. Can increased speeds without replacing the devices. • The number and type of ports: – Just enough ports for ... Contains the intermediary devices - hubs, switches, routers, and data service units (DSUs) - that tie the network together. These devices provide the transitions between the backbone cabling and the ... connect the telecommunication rooms with the work areas, 90 meters max. Backbone Cabling, or vertical cabling • To connect the telecommunication rooms to the equipment rooms, where the servers...

Ngày tải lên: 22/12/2013, 13:17