Troubleshooting BGP Philip Smith PacNOG 2 Workshop Apia‚ Samoa 18-24 June 2006 PacNOG 2 Workshop © 2006 Cisco Systems‚ Inc. All rights reserved. 1 Agenda • Fundamentals of Troubleshooting • Local Configuration Problems • Internet Reachability Problems PacNOG 2 Workshop © 2006 Cisco Systems‚ Inc. All rights reserved. 2 Fundamentals: Problem Areas • First step is to recognise what usually causes problems • Possible Problem Areas: Misconfiguration Configuration
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Final Exam Study Guide Linux 1. Where does Linux temporarily stores programs and data when it does not have enough RAM to hold all the information it is processing? Swap partition 2. Can Linux run on a 32 bit system? What are some of the system platforms that linux can run on? Yes‚ i386/i686 x86_64‚ Mac 3. What is the minimum partition requirements for /root‚ tmp‚ and swap? Root 1GB‚ tmp 500MB‚ swap 2-8 GB 4. What do use if you want to display a text file one screen at a time? Use pagers; less utility
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1. Answer C is correct. RAID 1 (disk mirroring) needs two disks to be implemented.Before you can enable RAID 1 using Windows Server 2008‚ you need to convert basicdisks to dynamic disks‚ which converts the partitions into volumes. Answers A and Bare incorrect because write catching improves disk performance but does not helpimplement RAID 1. Answer D is incorrect because to implement RAID 1 usingWindows Server 2008‚ you must use dynamic disks. 2. Answer B is correct. RAID 1‚ disk mirroring
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Name: ______________________________________ Year/Section: __________ Date:________________ I. Read the questions carefully and encircle the best answer. (No erasures.) 1. Which characteristics are part of TCP? (Choose two) a. Reliable c. No flow control b. Connectionless d. Resends anything not received 2. End system use port numbers to select the proper application what is the lowest port number that can be dynamically assigned by the host system? a. 1 b. 128 b. 256 d.
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Unit 8 Labs Lab 8.1 Lab 8.2 Lab 8.3 Lab 8.4 Lab 8.1 IP Addressing and Classes 8.1.1 If the IP address in figure 8-1 belongs to a Class A network‚ what is the Network ID and what is the host ID? What are the binary values of the host ID and the network ID? Network ID = 10‚ Host ID=10.10.1 Binary Network ID=1010‚ Binary Host ID=101010101 8.1.2 Complete Table 8-1. Class Range of First Byte in Decimal Network ID Host ID Possible Networks Possible Hosts per
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1. 4 International Standardization Groups A) IEEE (Institute of Electrical and Electronics) Develops standards for LANS 802.3 is IEE standard for Ethernet defines data access to network CSMA/CD B) TIA (Telecommunications International Alliance) Physical layer standards TIA 568Cabling standard C) ITU (International Telecommunications Union) Standards for telecommunications V.90 Modem was a standard D) ISO (International Organization for Standardization) Standards for LAN‚ MAN‚ WAN
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Analysis and Countermeasures of Network Security LiuBingyao Abstract This article is concerned about network security. It mentions about the present situation of network security and an analysis of the reason that lead to unsafe network environment. Then the article introduces two frequently used protocols in network security: HTTP (Hypertext Transport Protocol) and HTTPS (Hypertext Transfer Protocol over Secure Socket Layer)‚ then compare them and give a brief conclusion. On the other side
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access the switch through the network. Use Telnet to remotely access the switch through the network. Use the AUX port to locally access the switch from a serial or USB interface of the PC. 5. What criterion must be followed in the design of an IPv4 addressing scheme for end devices? Each local host should be assigned an IP address with a unique network component. Each
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Reviewing the Basics 1. Place the following networking technologies in the order of their highest speed‚ from slowest to fastest: Fiber optic‚ dial-up networking‚ cable modem‚ Fast Ethernet Dial-up networking‚ cable modem‚ fiber-optic‚ Fast Ethernet 2. What is the difference between ADSL and SDSL? ADSL uses one upload speed from the consumer to an ISP and a faster download speed. SDSL uses equal bandwidths in both directions. 3. Among satellite‚ cable modem‚ and DSL‚ which technology
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address on the internet browser and then Enter. • The next page has Networktab clicking that will take users to other options. Select the Wireless option (802.11) that is present at the left side of the window screen. Then select the Network Address (IPV4). • Select the Manual IP option and then opt for the Suggest a Manual IP address button. Customers can enter the IP address here. • Then click Apply and restart the printer. • The printer now remains connected to the network. HP Deskjet 2655 Wireless
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