Revision De Conceptos
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This document contains questions and answers about networking concepts such as binary, hexadecimal, subnetting, electricity, components, cabling, and odds and ends. Some key points covered include: - Converting between binary, hexadecimal, and decimal numbering systems - Subnet masks and how they are used to create subnets and allocate addresses - Protocols used for routing, email, and other network functions - Properties of direct and alternating current - Characteristics of MAC and IP addresses - Ethernet cabling types and standards - Estimating file transfer times based on file size and bandwidth
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d) OSPF V2 and OSPF v3 for single area are used as the routing protocols. Save your work as
Q1_OSPF.pkt.
e) Explain the differences between next-hop static route, directly connected static route and a fully
specified static route. Which one is better? Why? Put your answer in answer.txt.
f) What is the administrative distance for a directly connected staic route? Put your answer in
answer.txt.
All PCs should be able to talk to each other using IPv4 and IPv6.
Question 2 (10 marks)
After 2 years of trial, USQ College decided to use the standard OSPF protocol for muti-area. Each
building will be one area. The connecting router R0 will be the only device in the backbone area.
The logical network diagram of USQ College is shown below:
Address scheme for USQ College is the same as in Question 1.
Implement the network using Packet Tracer. You must use router 2911, switch 2960 and OSPF as the
routing protocol. Save your work as Q2_OSPF_multi.pkt.
All PCs should be able to talk to each other using IPv4 and IPv6.
Question 3 (15 marks)
Given the following network topology:
All switches will be using fastethernet ports (bandwidth 100,000 Kbit) only.
The partial outputs of show interface command for each router are shown below:
R1#show int g0/0
GigabitEthernet0/0 is up, line protocol is up (connected)
Internet address is 200.200.1.254/24
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
R1#show int s0/0/0
Serial0/0/0 is up, line protocol is up (connected)
Internet address is 200.200.2.1/24
MTU 1500 bytes, BW 64 Kbit, DLY 20000 usec,
R2#show int s0/0/1
Serial0/0/1 is up, line protocol is up (connected)
Interne.
40G 100G gigabit ethernet technology overview
The document discusses the development of 40 Gigabit Ethernet and 100 Gigabit Ethernet standards. It notes that in 2006, the IEEE determined these faster speeds were needed - 40 Gbps for computing and 100 Gbps for network aggregation. The IEEE formed a task force in 2008 to develop these standards. Key aspects included preserving the Ethernet frame format while supporting faster speeds over fiber and copper cable. The physical coding sublayer implements a multilane distribution scheme to help meet engineering challenges, distributing data across multiple "lanes" to support various interface widths.
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- How Ethernet frames are forwarded over different link types, including the basic components of an Ethernet link and different cable types like UTP, multimode fiber, and single-mode fiber.
- The format of common Ethernet frames and the purpose of the fields in an Ethernet header, such as the destination/source MAC addresses and Ethernet type field.
Ethernet_Networks
This document discusses Ethernet networking concepts and technologies. It provides an overview of the history and development of Ethernet, including the ALOHA network and the development of Ethernet II and IEEE 802.3 standards. The key differences between Ethernet II and IEEE 802.3 are described, such as frame formats, transceiver issues, and topological support. Manchester encoding is explained as a method used in Ethernet to detect transmission errors. Details are also given about the datalink layer, address formats, and the various 10 Mbps Ethernet specifications defined by IEEE 802.3.
CCNA 200-301 Chapter 2-Fundamentals of Ethernet Lans.pptx
This document provides an overview of Ethernet LANs, including:
- The different types of Ethernet standards based on speed and cable type, from 10 Mbps to 10 Gbps Ethernet.
- How Ethernet frames are forwarded over different link types and the basic components of an Ethernet link.
- Details on building physical Ethernet LANs with both unshielded twisted pair (UTP) and fiber optic cables.
- An explanation of how data is sent in Ethernet networks using Ethernet addresses, frames, and full or half duplex transmission methods.
Networking hardware
The document discusses various types of network hardware including:
- Local networking hardware such as network interface cards, cables, connectors, hubs, switches, servers, and workstations.
- Internetworking hardware such as line drivers, transceivers, bridges, switches, routers, and gateways.
Current internetworking devices are mostly confined to switches and routers. The document also examines network interface cards in detail, describing their specifications and evolution over time from older cards to current gigabit Ethernet cards.
Networking hardware (2)
The document discusses various types of network hardware including:
- Local networking hardware such as network interface cards, cables, connectors, hubs, switches, servers, and workstations.
- Internetworking hardware such as line drivers, transceivers, bridges, switches, routers, and gateways.
Current internetworking devices are mostly confined to switches and routers. The document also examines networking interface cards in detail, describing their specifications and evolution over time from older technologies like Token Ring and 10BaseT to current Gigabit Ethernet standards.
Networking hardware (2)
The document discusses various types of network hardware including local networking hardware like network interface cards (NICs), cables, connectors, hubs, switches, servers and workstations. It also discusses internetworking hardware like line drivers, transceivers, bridges, switches, routers and gateways. It describes the characteristics of different NICs such as their speed, connector type, and bus technology. It also examines concepts like IRQ, I/O address, base memory address, and DMA used for resource allocation on NICs. Finally, it discusses network connectors and different types of hubs.
Some important networking questions
1. Serial0 is up but the line protocol is down, indicating a potential issue with the cable or configuration settings not matching on both ends.
2. Static IP addresses are manually assigned while dynamic IP addresses are assigned by a DHCP server from its IP range, and have a lease duration after which the address may change.
3. Protocols establish rules and standards for moving data across a network, such as routing protocols like RIP, IGRP, and EIGRP that determine the best path between networks.
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Revision De Conceptos
- 1. CCNA 1 Championship Cisco UNACH Networking Academy
- 2. Binary, Hex, and Subnetting Network Concepts Electricity and Components Cabling Odds and Ends 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 600 600 600 600 700 700 700 700 7 00 6 00
- 3. Binary, Hex, and Subnetting 100 What is 1965 in hex? 7AD
- 4. Binary, Hex, and Subnetting 200 What is 186 in binary? 10111010
- 5. Binary, Hex, and Subnetting 300 What are networks with a subnet mask of .224 incremented by? (i.e. 255.224.0.0) .32
- 6. Binary, Hex, and Subnetting 400 When the subnet mask of 255.255.255.248 is assigned to a Class A address, how many usable IP addresses are available for hosts ? 6
- 7. Binary, Hex, and Subnetting 500 What network is host 10.228.10.60 /16 on? DAILY DOUBLE 10.228.0.0
- 8. Binary, Hex, and Subnetting 600 255.255.255.192 /26 If you had a Class B address and needed 1,000 subnets, what mask would need to be applied? What is the / notation?
- 9. Binary, Hex, and Subnetting 700 255.255.255.224 A small company has a Class C network license and needs to create six subnets, each subnet capable of accommodating at least 20 hosts. What subnet mask would be used?
- 14. Network Concepts 500 What does the Spanning Tree Algorithm resolve? switching loops
- 16. Network Concepts 700 What are the 4 encapsulation units and their associated OSI model layers? Segments—Transport Layer Packets—Network Layer Frames—Data Link Layer Bits—Physical Layer
- 18. Electricity and Components 200 What are some good conductors of electricity? (Name at least 3.) Copper, silver, gold, solder
- 23. Electricity and Components 700 What command will test the internal loopback of a node? ping 127.0.0.1
- 26. Cabling 300 What networking media offers high security , long distance , and is unaffected by electrical noise? fiber
- 27. Cabling 400 How does adding more hubs to a network (and connecting workstations to those hubs) affect collision domains? The size of the collision domain is extended.
- 31. Odds and Ends 100 file size and bandwidth of link What is two things are required to compute the estimated time it would take to transfer data from one location to another?
- 32. Odds and Ends 200 How long would it take a 10MB file to be sent over a T1 connection? 52 secs (T=S/BW)
- 33. Odds and Ends 300 What does 1000BASE-T use to accomplish gigabit speeds on Cat 5e cable? the use of all four pairs of wires in full-duplex mode, simultaneously
- 35. Odds and Ends 500 An ISDN Basic Rate Interface (BRI) is composed of how many signaling channels? How many data channels? 1 signal channel ( D elta channel) 16 kpbs 2 data channels ( B earer channels) 64 kpbs each
- 37. Odds and Ends 700 TFTP and FTP If a network administrator needed to download files from a remote server, which protocols could the administrator use to remotely access those files?
Editor's Notes
- Page 338
- Page 74
- Page 61
- Page 74
- Page 105
- Page 160
- Page 172
- 179
- Page 167