... Website: www.bkacad.com Chapter 3 - Application Layer Functionalityand Protocols CCNA Exploration4. 0CCNA Exploration4. 0 DNS - ExampleHọc viện mạng Bách khoa - Website: www.bkacad.com FTPã The ... packet22DHCP client broadcasts a DHCPREQUEST packet33DHCP Server1 broadcasts a DHCPACK packet 44 DHCP ClientDHCP Server1 Overviewã Describe how the functions of the three upper OSI model ... resolution. ã Computer operating systems also have a utility called nslookup that allows the user to manually query the name servers to resolve a given host name. This utility can also be used to...
... Bách khoa - Website: www.bkacad.com Chapter 2 - Communicating over the Network CCNA Exploration4. 0CCNA Exploration4. 0 End Devices and their Role on the Network ã The network devices that people ... compatible with other networks. ã The Open System Interconnection (OSI) reference model released in 19 84 was the descriptive network model that the ISO created. ã It provided vendors with a set of standards ... mng Bỏch khoa - Website: www.bkacad.com Getting the Data through the Internetworkã Explain how labels in encapsulation headers are used to manage communication in data networksHọc viện mạng...
... khoa - Website: www.bkacad.com Chapter 1 - Living in a Network Centric World CCNA Exploration4. 0CCNA Exploration4. 0Học viện mạng Bách khoa -Website: www.bkacad.com Networking Career Opportunitiesã ... experiences, or e-learning.ã Online courses can contain voice, data, and video, and are available to the students at any time from any place.Học viện mạng Bách khoa - Website: www.bkacad.com The ... Instant Messaging– Weblogs (blogs)– Wikis– Podcasting– Collaboration ToolsHọc viện mạng Bách khoa - Website: www.bkacad.com– Collaboration Tools A Fault Tolerant Network Architectureã Packet...
... lightweight, flexible, small diameter, which allows it to fit into small spaces. The connectors, RJ -45 plugs: easy to install.ã Fiber-optic cables: contain a thin glass fiber. Crimps or sharp bends...
... pairs. Each wire pair signals in full duplex, doubling the 500 Mbps to 1000 Mbps.ã 1000BASE-T uses 4D-PAM5 line encoding to obtain 1 Gbps data throughput. Layer 2 addressing and its Impact on ... Network Operation and PerformanceNetwork Layerã Network layer (Layer 3) addresses, such as IPv4 addresses, provide the ubiquitous, logical addressing that is understood at both source and...
... viện mạng Bách khoa - Website: www.bkacad.com Chapter 8 - OSI Physical Layer CCNA Exploration4. 0CCNA Exploration4. 0Học viện mạng Bách khoa - Website: www.bkacad.com Characteristics & ... Operates in the 2 .4 GHz frequency band, speed up to 54 Mbps. Devices implementing this standard therefore operate at the Học viện mạng Bách khoa - Website: www.bkacad.com 54 Mbps. Devices implementing ... speed up to 54 Mbps, small coverage area; less effective at penetrating building structures. Not interoperable with the 802.11b and 802.11g standards.ã IEEE 802.11b - Operates in the 2 .4 GHz frequency...
... Website: www.bkacad.com Follow Data Through an Internetwork 49 Học viện mạng Bách khoa - Website: www.bkacad.com Framing- Role of the Trailer 34 ã Data Link layer protocols add a trailer to the end ... destination.Học viện mạng Bách khoa - Website: www.bkacad.com Follow Data Through an Internetwork 44 Học viện mạng Bách khoa - Website: www.bkacad.com Data Link Layer Protocols- The Frame38Học ... full-duplex link.Học viện mạng Bách khoa - Website: www.bkacad.com Placing Data on the Media 14 ã Regulating the placement of data frames onto the media is known as media access control.ã...
... Semester 4 Skills Based Final – Part 1 Router Configuration Student Training – Frame Relay Scenario – (60 pts) HeadQuartersMainOfficeSerial202.168.10.0/ 24 172.50.1.0/ 24 HQ NetworkS0/.1(DCE)S0/.2E0S1Frame ... 255.255.255. 248 Subnet Address of This Subnet or Wire Range of Host Addresses For this subnet Broadcast Address of This Subnet CCNA Semester 4 - Skills Based Final Exam - Student ... traffic is permitted. 4 pt/ Points Scored : (items above are correct or not, no partial points) ______________ Semester 4 Skills Based Final – Part 2 Subnet Exercise Student Training (20 pts)...
... SummaryHọc viện mạng Bách khoa - Website: www.bkacad.com 45 Chapter 4 - OSI Transport Layer CCNA Exploration version 4. 0CCNA Exploration version 4. 0 Flow ControlWhen datagrams arrive too quickly ... indicator. When this indicator is received, the sender can resume the segment transmission. Labs 44 Học viện mạng Bách khoa - Website: www.bkacad.com Managing TCP SessionsHọc viện mạng Bách ... indicator to the sender to stop sending data. Học viện mạng Bách khoa - Website: www.bkacad.com 40 sender to stop sending data. When the receiver can handle additional data, the receiver sends...
... Port Number17Port NumberWell Known or Registered Port Number Registered Ports (Numbers 10 24 to 49 151)Assigned to user processes or applications. Non-common applications. Client: TCP destination ... User Datagram Protocol ClientSEQ=1,001 – 2,000Web ServerSEQ=2,001 – 3,000SEQ=3,001 – 4, 000SEQ =4, 001 – 5,000ACK=2,001 Window=7,000SEQ=1 – 1,000SEQ=6,001 –7,000SEQ=5,001 – 6,000Web ... received before retransmission timer expiresReceive buffers are increasing, less bits to process. 44 Step 1: Client sends ISN, SEQ=8563 (last four digits) Transport Layerwww.cisco.comTCP Segment7...
... because I like it; it’s a beautiful language3. because I work with the foreigners in my company 4. to graduate 5. to understand how English people think and feel HINTS FOR TEACHERSo Real ... Please to meet you, Mr. and Mrs. Tavares.Mr.& Mrs.Tavares: Nice to meet you, Tom. For what student level would you teach this conversation? TASK - INTRODUCING“Good evening. I’m Philip ... Laura Gordon and Brian Mani. Laura and Brian are independent management consultants…”For what student level would you teach this conversation? HINTS FOR TEACHERSEnhance Ss’ autonomy by…o...