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CCNA 640-802 kcc 2009 Version
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Network Concepts review (1/1) OSI review and example questions (1/2) LAN Fundamentals review (1/3 + 2/1) LAB #1 Connecting and access (1/9 + 1/12 + 1/13) CCNA FastTrack CCNA FastTrack WAN Fundamentals (1/4 + 2/13) IP Addressing (lab #2) (1/5, 1/6, 2/4, 2/5) AGENDA session 1 KCC June 2009
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IP Addressing review (Lab #3) (1/10, 1/14) LAN Switching (1/7, 1/8, 2/1, 2/2) 29xx Switch ops (Lab #4) (1/8, 1/10, 2/3) Routing Basics (review Lab #3) (1/14, 2/7) CCNA FastTrack CCNA FastTrack WAN Concepts (1/16, 1/17, 2/12, 2/13, 2/14) day review KCC June 2009 AGENDA session 2
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Review (Lab #3 & 4) Routing Protocols (1/15, 2/8) Routing RIP review (Lab #5) (2/8) Routing OSPF & EIGRP (Lab #5) (2/9, 2/10, 2/11) CCNA FastTrack CCNA FastTrack Access Lists & NAT/PAT (2/6, 2/16) Design & Build for the real world (2/7, 2/11, 2/14) AGENDA session 3 KCC June 2009
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Review to date (Lab #5) (2/14, 2/15) WiFi review (Lab #5) (1/11) IPv6 & SDM (Lab #6) (1/16, 2/15, 2/16) Example Exam Questions CCNA FastTrack CCNA FastTrack More hands-on troubleshooting (2/3, 2/7, 2/14) More Example Exam Questions AGENDA session 4 KCC June 2009
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Progress CCNA FastTrack CCNA FastTrack IOS Fundamentals OSI Layers & TCP/IP Bridges, Switches & STP Switching, VLANs & VTP Routing Protocols Access Lists, NAT & VPN WAN and WiFi designs Site specific items BEFORE TRAINING AFTER DAY ONE AFTER DAY TWO KCC June 2009
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CCNA FastTrack CCNA FastTrack IOS REVIEW lab#1 IP ADDRESS = 10. A. B. C Where A = user number B = VLAN or function C = device KCC June 2009
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IOS REVIEW CCNA FastTrack CCNA FastTrack CLI Password configuration For VTY, Console and Aux ports Key sequence for edit and buffer recall etc CDP defaults and configuration Banner commands use and editing Router memory types and use Flash IOS and config file control etc Passwords recovery Logging messages Know defaults and how to change KCC June 2009
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Example IOS questions; What is used to set the router’s boot procedure A command register B flash register C config register D boot status register What is the command to enable CDP on an interface A enable cdp B cdp enable C cdp run D run cdp E cdp What information can be obtained from CDP A neighbor memory size B neighbor address C neighbor platform D neighbor IOS version E neighbor routing protocols What is the command to remove the starting configuration A clear start-up B write erase C erase memory D erase startup-config E clear memory Which command would be used to copy IOS to flash A copy flash tftp B copy tftp flash C copy mem flash D write memory Where are router syslog messages sent by default A null B aux port and console port C console port D syslog server CCNA FastTrack CCNA FastTrack KCC June 2009
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OSI REVIEW APPLICATION PRESENTATION SESSION TRANSPORT NETWORK DATA PHYSICAL CCNA FastTrack CCNA FastTrack KCC June 2009
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OSI REVIEW CCNA FastTrack CCNA FastTrack 7 6 5 4 KCC June 2009
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OSI REVIEW CCNA FastTrack CCNA FastTrack KCC June 2009
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Example OSI questions Which layer of the OSI model covers Frame Relay A Layer 5 (session) B Layer 2 (data) C Layer 3 (network) D Layer 4 (transport) What OSI layer covers acknowledgement and sequencing A Layer 5 (session) B Layer 3 (network) C Layer 2 (data) D Layer 4 (transport) E Layer 1 (physical) NetBIOS operates at OSI layer A Layer 1 (physical) B Layer 2 (data) C Layer 3 (network) D Layer 4 (transport) E Layer 5 (session) Which protocols are routable A NetBIOS B IP C SNA D Appletalk E IPX Which OSI layer does CDP operate A Layer 1 (physical) B Layer 2 (data) C Layer 3 (network) D Layer 4 (transport) Which OSI layer does a bridge operate A Layer 6 (presentation) B Layer 5 (session) C Layer 4 (transport) D Layer 3 (network) E Layer 2 (data) CCNA FastTrack CCNA FastTrack KCC June 2009
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WAN – HDLC, PPP & Static Routing lab #2 CCNA FastTrack CCNA FastTrack KCC June 2009
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TCP SEGMENT CONSTRUCTION destination port 0 4 8 16 19 24 31 checksum options (variable length)padding d a t a urgent pointer windowoffsetreserved UAPRSF source port sequence number acknowledgement number FLAGS; U Urgent A Acknowledgement P Push R Reset S Synchronize SYN F FIN TCP = IP protocol # 6 UDP SEGMENT CONSTRUCTION destination port 0 4 8 16 19 24 31 source port d a t a UDP checksumlength UDP = IP protocol # 17 LAYER 4 CCNA FastTrack CCNA FastTrack Network Protocols Reminder KCC June 2009
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Network Protocols Reminder CCNA FastTrack CCNA FastTrack DATAFRAME HEADER FRAME TYPE #0800 = IP content identification total packet length 0 4 8 16 19 24 32 versionhdr lengthTOS flagsfragment offset destination address options (variable length)padding d a t a TTLprotocol #header checksums source address IP PACKET TYPE FIELD if Ethernet DIX (Ethernet II) header format LENGTH FIELD if IEEE Ethernet 802.3 KCC June 2009
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Network Protocols Reminder FTP DATAFTP HEADER TCP DATATCP HEADER IP DATAIP HEADER DATAFRAME HEADER DATA SIGNALPreamble FRAME PACKET SEGMENT PORT # 21 = FTP content PROTOCOL #6 = TCP content TYPE #0800 = IP content CCNA FastTrack CCNA FastTrack KCC June 2009
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ETHERNET FRAME CONSTRUCTION DATATYPE/LENGTHFCSsource mac addressdestination mac addresspreamble/SD 64 to 1518 Bytes long 41 to 1500 Bytes long 6628 802.2 SSAP/DSAP 4 (+5) 4 L E N G T H I N B Y T E S NOTE… Ethernet DIX frame preamble is 8 bytes long with no SD byte, Ethernet DIX frame has TYPE field and no LENGTH or 802.2 fields. Ethernet IEEE 802.3 frames have 7 byte preamble, 1 byte SD, Ethernet IEEE 802.3 frames have LENGTH field and no TYPE field, Ethernet IEEE 802.3 frames have 802.2 field for 2 byte DSAP, 2 byte SSAP, 2 control bytes and 5 byte SNAP (if used DSAP and SSAP = 0xAA). Therefore the largest Ethernet frame size should be 1518 bytes and the minimum frame size should be 64 bytes in order to stay within the Ethernet specification and be able to detect a collision. The frame size was extended to 1522 bytes by a IEEE 802.3 committee workgroup (802.3ac) to support VLAN tagging using 802.1Q but several manufactures equipment still will not support giant frames (larger than 1518). Frame sizes have been pushed even further with the latest technologies. ISL (Inter Switch Link) VLAN tagging extends the frame by an additional 30 Bytes, MPLS (Multi Protocol Label Switching) adds 4 Bytes for each label….. etc. etc. so it is not unusual to see giant frames on today’s networks. LAYER 2 CCNA FastTrack CCNA FastTrack Network Protocols Reminder KCC June 2009
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UTP & AUI Ethernet Cabling RJ-45 SOCKET VIEW 1 2 3 4 5 6 7 8 pin assignment; pin # MDI-X function MDI function 1 Rx + Tx + 2 Rx - Tx - 3 Tx + Rx + 6 Tx - Rx - NOTE; PC’s, ip phones, WiFi APs, network printers & routers all have MDI ports (Media Dependant Interface), bridges, switches, hubs & aDSL switch ports have MDI-X (cross-over). Newer equipment has auto-polarity MDI/X and some supply switchable MDI/MDI-X ports to enable connection of to devices without the use of a crossover cable. Some equipment uses the 15 pin D AUI connection ; pin # function 1 ground 2 CI-A 3 DO-A 4 ground 5 DI-A 6 VDC ground 9 CI-B 10 DO-B 11 ground 12 DI-B 13 VDC +12 14 ground 15 ground KCC Feb 1998 NOTES; NOTE: Chiron makes use of RJ-11 connectors for the Cat-3 cabling for example an RJ-11 to RJ-45 cable ; RJ-11 pin # RJ-45 pin # 1 5 2 6 3 1 4 2 5 3 6 4 LAYER 1 CCNA FastTrack CCNA FastTrack
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KCC Feb 1998 T568B T568A configuration at one end of the cable and T568B at the other = a cross over cable. T568A/B have slightly different colour codes/pair assignments, but it does not matter which specifications are used as long as the same specifications are used throughout T568A
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Network Routing Protocols Review CCNA FastTrack CCNA FastTrack ProtocolSTATICRIP v1RIP v2IGRPEIGRPOSPF Admin distance VLSM update metric method Auto summary Loop prevention KCC June 2009
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STP & Switching lab #4 CCNA FastTrack CCNA FastTrack KCC June 2009
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VLSM and Basic Routing REVIEW CCNA FastTrack CCNA FastTrack VLSM and network masks etc Routing configuration commands Classless routing (EIGRP, OSPF, RIP v2) Classful routing (RIP v1, IGRP) Distance vector vs Link state routing Administration distances Routing, static, connected, default route Routing tables, databases and ARP Access-lists & NAT KCC June 2009
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Example VLSM & routing questions Auto summary can be disabled on A EIGRP B RIP v1 C IGRP D RIP v2 What network would provide for 1022 nodes A 164.22.10.0/24 B 164.22.10.0/28 C 172.16.16.0/22 D 172.16.17.0/22 E 192.168.5.0/16 In a routing table, routes from EIGRP are marked A E B O C E1 D E2 E D Which command is used to enable RIP routing A router rip 66 B enable rip C rip enable D router rip E set rip enable The default admin distance for IGRP routes is A 90 B 110 C 100 D 120 E 170 Which of the following is NOT on the same subnet A 164.14.225.7/19 B 164.14.223.4/19 C 164.14.223.0/19 D 164.14.199.16/19 E 164.14.223.8/19 CCNA FastTrack CCNA FastTrack KCC June 2009
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ROUTING CCNA FastTrack CCNA FastTrack KCC June 2009
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Switching and Bridging Review CCNA FastTrack CCNA FastTrack VLANs Broadcast domains/Collision domains Spanning Tree (STP, RSTP, PVST, MIST) VTP modes (server, client, transparent) Trunking (ISL, 802.1q, VTP & DTP) 29xx switch IOS Configuration and defaults Switching methods Store and forward Cut through Fragment free KCC June 2009
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Example switching and bridging questions CCNA FastTrack CCNA FastTrack When two VTP servers in the same domain have different VLAN configurations….. A all conflicting VLANS are disabled B VTP server with highest configuration register overwrites the other switch C VTP server with lowest configuration register over writes the other switch D the domain is partitioned into two What is the correct order for 802.1D spanning tree start A Forwarding, Listening, Learning, Blocking B Blocking, Listening, Learning, Forwarding C Listening, Blocking, Forwarding, Learning D Learning, Listening, Blocking, Forwarding Which of the following are true about a frame received with an unknown mac address into a 2950 switch A frame is forwarded out of all ports B frame is dropped C frame is forwarded toward the root bridge only D frame is forwarded out of all ports except port where the frame was received What is the default mode for VTP on a 2950 switch A client B transparent C server D passive E none In a network of 9 switches for 2 VLANs, how many route bridges A 9 B 18 C 2 D 8 E 7 Broadcasts are automatically forwarded between VLANs A true B false C depends KCC June 2009
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Routing and Access Lists CCNA FastTrack CCNA FastTrack Ref: Lab #2, 3 & 4 OSPF EIGRP RIP Access Lists & NAT KCC June 2009
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Access Lists Review CCNA FastTrack CCNA FastTrack Access Lists & number range 1 - 99 _________________ 100 - 199 _________________ Named _________________ Reflexive _________________ Dynamic _________________ ACL application commands IOS >12.2 TCP, UDP & IPX port/socket numbers KCC June 2009
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Example ACL & NAT questions CCNA FastTrack CCNA FastTrack What is the NAT term for the private ip address on a PC connected to a router for Internet access A inside local B inside global C outside local D outside global What command is used to apply an access list to an interface A access-list apply B access-class C access-group D access E interface-access-list Which line would block Telnet access A access-list 101 deny ip any any eq 23 B access-list 101 deny tcp any any eq 23 C access-list 99 deny tcp any any eq 20 D access-list 99 deny tcp any any eq 21 E access-list 105 deny udp any any eq 23 Valid access list for ip extended is… A 1 - 99 B 100 - 199 C 101 - 199 D 0 - 99 E 200 - 299 ACLs are processed in the order that they were configured A true B false C depends Which of the following are NOT valid A access-list 801 permit –1 –1 B access-list 101 deny ip any any eq 162 C access-list 801 deny bad.0.0.1 –1 D access-list 801 deny –1 bad.0.0.1 452 –1 0 E access-list 199 perm tcp any any eq www KCC June 2009
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VPN, NAT, SDM, IPv6 CCNA FastTrack CCNA FastTrack KCC June 2009
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Wan Review CCNA FastTrack CCNA FastTrack Serial defaults Bandwidth Encapsulation DTE/DCE clocking Frame Relay LMI type/DLCI Encapsulation RFC 1490 HDLC PPP WiFi KCC June 2009
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Example WAN questions CCNA FastTrack CCNA FastTrack Which authentication mode supports MD5 A PPP B PAP C CHAP D super PAP What is the default bandwidth setting on a Cisco serial interface A 2Mbps B 4Mbps C 1.54Mbps D no default set E 2.04Mbps In PPP, what is used to identify a loopback A PAP B CHAP C Link Quality Monitoring D NCP E Magic Numbers Which protocol manages the connection between router and FR A DLCI B FR-manage C LMI D ILMI E OAM Which is/are NOT Frame Relay terms A BECN B FECN C ILMI D DE E DLCI F X.121 What is the default encapsulation on a Cisco serial interface A HDLC B PPP C SLIP D Frame Relay E X.25 KCC June 2009
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xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx – Where x is a 16 bits hexadecimal field 2001:0000:1234:0000:0000:C1C0:ABCD:0876 Leading zeros in a field are optional: 2001:0:1234:0:0:C1C0:ABCD:876 Abbreviate by removing zeros: FE80:0000:0000:0000:0000:0010:0000:0123 becomes FE80::10:0:123 2000 – 3FFF Aggregatable unicats global addresses FE80 Link Local Unicast FEC0 Site Local Unicast (private much like RFC1918) FF00 Multicast CCNA FastTrack CCNA FastTrack IPv6 Notes IPv6 Notes KCC June 2009
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CCNA FastTrack CCNA FastTrack IPv6 Notes IPv6 Notes KCC June 2009
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CCNA FastTrack CCNA FastTrack
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Final Review CCNA FastTrack CCNA FastTrack KCC June 2009
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