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CCNA Updated

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Answer 50 questions in 15 minutes.
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1. Differences between ripv1 and ripv2
Ripv2 is classless - multicasts - allows authentication
Point to point
Rollover
10 seconds with every 6th message being a full status message

2. What command shows the amount of memory being used and whether there is enough room to load a new image?
TKIP and WEP
Highest logical interface IP - then highest configured IP
Sh flash
Ipv6 address 2001:0:1:0::2/64 (example)

3. How does ripv2 respond to topology changes?
2102
Ipv6 unicast-routing
Yes
Triggered update - split horizon - route poisoning

4. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Debug ip icmp
53
1544 kbps
32 bits

5. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Compression - multilink support - authentication
Sh ip ospf interface
Per frame sequence counters and key mixing using temporal keys.
32 bits

6. What command is used to debug the ping command?
Debug ip icmp
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Ipv6 rip <process-name> enable
69

7. IPv6 2001:0DB8::/32
100
Encapsulation mismatch and clock rate issues.
1 -2 - 5.5 - 11
Examples and documentation

8. What type of frame subinterface do you use for hub and spoke?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
100
Point to point
Ipv6 rip <process-name> enable

9. Frame relay point to point interfaces emulate _______
Ipv6 rip <process-name> enable
Ignore nvram (password recovery)
Conf t - key chain MyKeyChain1 - key 1 - key-string sanjose - int s0/0 - ip authentication mode eigrp 100 md5 - ip authentication key-chain eigrp 100 MyKeyChain1
Leased lines

10. What information is supplied by CDP? (5)
25
1544 kbps
Device identifier - address list - port identifier - capabilites list - platform
Conf t - key chain MyKeyChain1 - key 1 - key-string sanjose - int s0/0 - ip authentication mode eigrp 100 md5 - ip authentication key-chain eigrp 100 MyKeyChain1

11. IPv6 unicast address
Destined for a single interface
Examples and documentation
Nonbroadcast multi-access
Examples and documentation

12. What is the default bridge STP priority?
Per frame sequence counters and key mixing using temporal keys.
32768
1. must be configured with eigrp 2.must have interfaces directly connect or on multiaccess media 3.must have same ASN 4.must have appropriate network commands
Access-class

13. Which command shows global frame relay stats since the last router reload?
Point to point
Sh frame-relay traffic
Device identifier - address list - port identifier - capabilites list - platform
69

14. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
1. must be configured with eigrp 2.must have interfaces directly connect or on multiaccess media 3.must have same ASN 4.must have appropriate network commands
Network
One
No frame-relay inverse-arp

15. IPv6 FC00::/7
Boots to rommon
120
Unique local unicast range
32768

16. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Ip addresses are conserved if vlsm is not used for subnetting
1023
Operational pvc

17. What is the LMI DLCI used in Cisco?
1544 kbps
1023
Unique local unicast range
Debug ppp authentication

18. What is the command to use an ACL for VTY access
1 -2 - 5.5 - 11
Sh vtp status
224.0.0.5
Access-class

19. What does a frame relay pvc status of inactive indicate?
Destined for a single interface
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Per frame sequence counters and key mixing using temporal keys.
Decimal - Hex

20. tcp/udp port for SNMP
Publicly routable addresses
Sh frame-relay map
Used with 6 to 4
161

21. What spread spectrum technology does 802.11b use?
DSSS
Network
::1
Examples and documentation

22. How long is an IPv4 address?
10.0.0.0 to 10.255.255.255
Yes
32 bits
69

23. What is the default configuration register setting?
1023
2102
69
Q933a - cisco and ansi

24. Which command shows only EIGRP routes?
Network
Like private ipv4 address - but can't be routed at all
Sh ip int [interface]
Sh ip route eigrp

25. tcp/udp port for telnet
Arp for the host
In the address table and added to the running config
23
Ip addresses are conserved if vlsm is not used for subnetting

26. IPv6 global unicast addresses
Publicly routable addresses
Show frame-relay lmi
Compression - multilink support - authentication
Show arp

27. udp port for DNS
Split horizon and holddown timers
Yes
Debug ppp authentication
53

28. Which features did wpav4 add to address the weaknesses of WEP?
Same as ::...same as 0.0.0.0
The address is removed from the pool until the confilct is resolved.
Sh frame-relay pvc
Per frame sequence counters and key mixing using temporal keys.

29. Which command turns on RIPng for ipv6?
Ipv6 rip <process-name> enable
Per frame sequence counters and key mixing using temporal keys.
::1
Sh frame-relay pvc

30. What criteria does OSPF use to determine RID?
1. must be configured with eigrp 2.must have interfaces directly connect or on multiaccess media 3.must have same ASN 4.must have appropriate network commands
Highest logical interface IP - then highest configured IP
Used with 6 to 4
No frame-relay inverse-arp

31. What sequence of commands creates encrypted eigrp authentication
Q933a - cisco and ansi
Disconnect 3
Root and designated
Conf t - key chain MyKeyChain1 - key 1 - key-string sanjose - int s0/0 - ip authentication mode eigrp 100 md5 - ip authentication key-chain eigrp 100 MyKeyChain1

32. class b private addresses
172.16.0.0 to 172.31.255.255
To configure a route form an ISP router into a corporate network
192.168.0.0 to 192.168.255.255
20

33. tcp/udp port for DNS
In the address table and added to the running config
53
By default
Root and designated

34. Which command shows pvc mappings between the router and the frame switch?
Decimal - Hex
Sh frame-relay pvc
Debug ip icmp
Used with 6 to 4

35. How often do LMI messages flow?
Publicly routable addresses
10 seconds with every 6th message being a full status message
1 -2 - 5.5 - 11
Show frame-relay lmi

36. confreg 2120
0
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Rommon
Debug ppp authentication

37. Does is-is support VLSM?
Yes
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
224.0.0.5
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

38. What are the three options for LMI in FR?
Ipv6 unicast-routing
Pap and chap
No frame-relay inverse-arp
Q933a - cisco and ansi

39. Which command shows pvc mappings between the router and the frame switch?
10 seconds with every 6th message being a full status message
No LMI is being received by the switch or there is no service between the CPE and frame switch
Sh frame-relay pvc
Ip addresses are conserved if vlsm is not used for subnetting

40. what command shows which vtp server updated the switch
Root and designated
Link-local unicast range
Same as ::...same as 0.0.0.0
Sh vtp status

41. IPv6 multicast address
Only in the address table
<ctrl><shift>6 then x
One to many addresses...always start with ff
53

42. What type of cable connects the router's aux port to a modem?
Sh frame-relay traffic
Rollover
Rommon
Local router - frame relay WAN

43. What is the first action that a host will take when sending data to a host on a different network?
Examples and documentation
Arp for the host
53
Debug ppp authentication

44. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
Sh frame-relay pvc
Same subnet
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

45. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Show frame-relay lmi
Sh frame-relay map
Per frame sequence counters and key mixing using temporal keys.
Per frame sequence counters and key mixing using temporal keys.

46. What is the ipv6 loopback address?
Only in the address table
No LMI is being received by the switch or there is no service between the CPE and frame switch
::1
10 seconds with every 6th message being a full status message

47. tcp/udp port for FTP control
21
20
Used with 6 to 4
Sh frame-relay map

48. Which command shows if an acl is applied to an interface?
By default
Ripv2 is classless - multicasts - allows authentication
21
Sh ip int [interface]

49. Which two wireless encryption methods are based on RC4?
Show frame-relay lmi
Conf t - key chain MyKeyChain1 - key 1 - key-string sanjose - int s0/0 - ip authentication mode eigrp 100 md5 - ip authentication key-chain eigrp 100 MyKeyChain1
Pap and chap
TKIP and WEP

50. Which command turns on IPv6 routing?
Ipv6 unicast-routing
2102
Unique local unicast range
Global unicast range

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