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CCNA Fast Track

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OSI review and example questions (1/2) LAN Fundamentals review (1/3 2/1) ... In PPP, what is used to identify a loopback. A PAP. B CHAP. C Link Quality Monitoring ... – PowerPoint PPT presentation

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Title: CCNA Fast Track


1
C C N A FastTrack
CCNA 640-802 kcc 2009 Version
2
AGENDA session 1
CCNA FastTrack
  • 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)
  • WAN Fundamentals (1/4 2/13)
  • IP Addressing (lab 2) (1/5, 1/6, 2/4, 2/5)

KCC June 2009
3
AGENDA session 2
CCNA FastTrack
  • 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)
  • WAN Concepts (1/16, 1/17, 2/12, 2/13, 2/14)
  • day review

KCC June 2009
4
AGENDA session 3
CCNA FastTrack
  • 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)
  • Access Lists NAT/PAT (2/6, 2/16)
  • Design Build for the real world (2/7, 2/11,
    2/14)

KCC June 2009
5
AGENDA session 4
CCNA FastTrack
  • 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
  • More hands-on troubleshooting (2/3, 2/7, 2/14)
  • More Example Exam Questions

KCC June 2009
6
Progress
CCNA FastTrack
AFTER DAY ONE
BEFORE TRAINING
AFTER DAY TWO
KCC June 2009
7
IOS REVIEW lab1
CCNA FastTrack
IP ADDRESS 10. A . B. C Where
A user number B VLAN or
function C device
KCC June 2009
8
IOS REVIEW
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
9
Example IOS questions
CCNA FastTrack
What is used to set the routers 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
KCC June 2009
10
OSI REVIEW
CCNA FastTrack
KCC June 2009
11
OSI REVIEW
CCNA FastTrack
7
6
5
4
KCC June 2009
12
OSI REVIEW
CCNA FastTrack
KCC June 2009
13
Example OSI questions
CCNA FastTrack
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)
KCC June 2009
14
WAN HDLC, PPP Static Routing lab 2
CCNA FastTrack
KCC June 2009
15
Network Protocols Reminder
CCNA FastTrack
TCP SEGMENT CONSTRUCTION
0 4 8
16 19 24
31
destination port
source port
FLAGS U Urgent A Acknowledgement P Push R
Reset S Synchronize SYN F FIN
sequence number
acknowledgement number
window
offset
reserved
U
A
P
R
S
F
checksum
urgent pointer
TCP IP protocol 6
options (variable length)
padding
LAYER 4
d a t a
UDP SEGMENT CONSTRUCTION
0 4 8
16 19 24
31
destination port
source port
UDP IP protocol 17
UDP checksum
length
LAYER 4
d a t a
KCC June 2009
16
Network Protocols Reminder
CCNA FastTrack
0 4 8
16 19 24
32
total packet length
version
hdr length
TOS
identification
flags
fragment offset
IP PACKET
TTL
protocol
header checksums
source address
destination address
options (variable length)
padding
d a t a
FRAME
DATA
FRAME HEADER
TYPE 0800 IP content
TYPE FIELD if Ethernet DIX (Ethernet II)
header format LENGTH FIELD if IEEE Ethernet 802.3
KCC June 2009
17
Network Protocols Reminder
CCNA FastTrack
FTP DATA
FTP HEADER
SEGMENT
TCP DATA
TCP HEADER
PORT 21 FTP content
PACKET
IP DATA
IP HEADER
PROTOCOL 6 TCP content
FRAME
DATA
FRAME HEADER
TYPE 0800 IP content
DATA SIGNAL
Preamble
KCC June 2009
18
Network Protocols Reminder
CCNA FastTrack
ETHERNET FRAME CONSTRUCTION
LAYER 2
64 to 1518 Bytes long
DATA
TYPE/LENGTH
FCS
source mac address
destination mac address
preamble/SD
802.2 SSAP/DSAP
41 to 1500 Bytes long
4
6
6
2
8
4 (5)
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 todays
networks.
KCC June 2009
19
CCNA FastTrack
LAYER 1
UTP AUI Ethernet Cabling
pin assignment
pin MDI-X function MDI
function
RJ-45 SOCKET VIEW
1 Rx
Tx 2 Rx -
Tx - 3 Tx
Rx 6
Tx - Rx
-
1 2 3 4 5 6 7 8
NOTE PCs, 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.
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
NOTES
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
20
CCNA FastTrack
T568B
T568A
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 ?
KCC Feb 1998
21
Network Routing Protocols Review
CCNA FastTrack
KCC June 2009
22
STP Switching lab 4
CCNA FastTrack
KCC June 2009
23
VLSM and Basic Routing REVIEW
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
24
Example VLSM routing questions
CCNA FastTrack
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
KCC June 2009
25
ROUTING
CCNA FastTrack
KCC June 2009
26
Switching and Bridging Review
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
27
Example switching and bridging questions
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
What is the default mode for VTP on a 2950
switch A client B transparent C
server D passive E none
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
Broadcasts are automatically forwarded between
VLANs A true B false C depends
In a network of 9 switches for 2 VLANs, how many
route bridges A 9 B 18 C 2 D 8 E
7
KCC June 2009
28
Routing and Access Lists
CCNA FastTrack
Ref Lab 2, 3 4
  • OSPF
  • EIGRP
  • RIP
  • Access Lists NAT

KCC June 2009
29
Access Lists Review
CCNA FastTrack
  • Access Lists number range
  • 1 - 99 _________________
  • 100 - 199 _________________
  • Named _________________
  • Reflexive _________________
  • Dynamic _________________
  • ACL application commands IOS gt12.2
  • TCP, UDP IPX port/socket numbers

KCC June 2009
30
Example ACL NAT questions
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
31
VPN, NAT, SDM, IPv6
CCNA FastTrack
KCC June 2009
32
Wan Review
CCNA FastTrack
  • Serial defaults
  • Bandwidth
  • Encapsulation
  • DTE/DCE clocking
  • Frame Relay
  • LMI type/DLCI
  • Encapsulation
  • RFC 1490
  • HDLC
  • PPP
  • WiFi

KCC June 2009
33
Example WAN questions
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
34
CCNA FastTrack
IPv6 Notes
  • xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
  • Where x is a 16 bits hexadecimal field
  • 20010000123400000000C1C0ABCD0876
  • Leading zeros in a field are optional
  • 20010123400C1C0ABCD876
  • Abbreviate by removing zeros
  • FE800000000000000000001000000123
  • becomes FE80100123
  • 2000 3FFF Aggregatable unicats global
    addresses
  • FE80 Link Local Unicast
  • FEC0 Site Local Unicast (private
    much like RFC1918)
  • FF00 Multicast

KCC June 2009
35
CCNA FastTrack
IPv6 Notes
KCC June 2009
36
CCNA FastTrack
37
CCNA FastTrack
38
CCNA FastTrack
39
CCNA FastTrack
40
CCNA FastTrack
41
Final Review
CCNA FastTrack
KCC June 2009
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