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CCNA Updated

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. tcp/udp port for telnet
23
Private address. Can be routed locally - but not on Internet
Same subnet
Show arp

2. What are the three options for LMI in FR?
Ipv6 rip <process-name> enable
Root and designated
<ctrl><shift>6 then x
Q933a - cisco and ansi

3. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Highest logical interface IP - then highest configured IP
32768
In the address table and added to the running config
Sh ip ospf interface

4. IPv6 0:0:0:0:0:0:0:1
25
Disconnect 3
10 seconds with every 6th message being a full status message
::1 same as 127.0.0.1

5. IPv6 2002::/16
2102
69
Used with 6 to 4
Sh frame-relay pvc

6. What does ripv2 do to prevent routing loops?
Split horizon and holddown timers
In the address table and added to the running config
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
Operational pvc

7. what command shows which vtp server updated the switch
No LMI is being received by the switch or there is no service between the CPE and frame switch
Per frame sequence counters and key mixing using temporal keys.
Sh vtp status
No frame-relay inverse-arp

8. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
2102
By default
Sh ip eigrp neighbors
69

9. What is the default configuration register setting?
Show frame-relay lmi
2102
Per frame sequence counters and key mixing using temporal keys.
Ipv6 address 2001:0:1:0::2/64 (example)

10. confreg 2120
::1 same as 127.0.0.1
Rommon
1 -2 - 5.5 - 11
Root and designated

11. What 4 things are necessary for 2 routers to form an eigrp relationship?
53
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
Ipv4 address in a mixed environment
192.168.0.0 to 192.168.255.255

12. tcp/udp port for TFTP
Arp for the host
<ctrl><shift>6 then x
69
32 bits

13. What command shows the amount of memory being used and whether there is enough room to load a new image?
Sh flash
Show frame-relay lmi
Link establishment - optional authentication - network layer protocol
Sh frame-relay pvc

14. Which command disables frame-relay inverse arp?
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
<ctrl><shift>6 then x
128 bits
No frame-relay inverse-arp

15. IPv6 unique local address
Split horizon and holddown timers
Rollover
TKIP and WEP
Private address. Can be routed locally - but not on Internet

16. How long is an IPv6 address?
Used with 6 to 4
100
Per frame sequence counters and key mixing using temporal keys.
128 bits

17. IPv6 multicast address
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Sh ip int [interface]
No frame-relay inverse-arp
One to many addresses...always start with ff

18. How does ripv2 respond to topology changes?
::1
One to many addresses...always start with ff
1544 kbps
Triggered update - split horizon - route poisoning

19. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
Show frame-relay lmi
Sh frame-relay pvc
1 -2 - 5.5 - 11
Arp for the host

20. What command displays the CHAP authentication process in real time?
One
Debug ppp authentication
Sh frame-relay pvc
Only in the address table

21. What commands create plain-text ospf authentication?
Same as ::...same as 0.0.0.0
Ip ospf authentication - ip ospf authentication-key XXXXX
Sh arp and sh int
By default

22. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
Compression - multilink support - authentication
Ip addresses are conserved if vlsm is not used for subnetting
Show arp
1 - 2 - 5.5 - 11

23. Which command shows mac addresses of stations connected to switch ports?
Show arp
Pap and chap
Sh frame-relay traffic
Encapsulation mismatch and clock rate issues.

24. What type of frame subinterface do you use for hub and spoke?
Point to point
Private address. Can be routed locally - but not on Internet
Arp for the host
In the address table and added to the running config

25. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
2000::/3
Ip addresses are conserved if vlsm is not used for subnetting
Arp for the host

26. What is the order of preference in a routing table?
Sh vtp status
By default
Root and designated
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

27. tcp/udp port for DNS
No frame-relay inverse-arp
10.0.0.0 to 10.255.255.255
53
Ignore nvram (password recovery)

28. IPv6 link-local address

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29. IPv6 0:0:0:0:0:0:0:0
Same as ::...same as 0.0.0.0
Q933a - cisco and ansi
25
Same subnet

30. confreg 2142
Aes-ccmp
Ignore nvram (password recovery)
Arp for the host
Sh frame-relay pvc

31. What are the three types of congestion notification used by frame relay?
In the address table and added to the running config
FECN - BECN - DE
Sh frame-relay traffic
20

32. What does config register 0x2142 do?
Sh ip ospf interface
Bypass startup config - initial config mode - password recovery
In the address table and added to the running config
Sh ip route eigrp

33. tcp/udp port for FTP data
Publicly routable addresses
20
Highest logical interface IP - then highest configured IP
224.0.0.5

34. Which command turns on RIPng for ipv6?
Ipv6 rip <process-name> enable
By default
Per frame sequence counters and key mixing using temporal keys.
25

35. What command kills telnet session #3?
Sh vtp status
Disconnect 3
No LMI is being received by the switch or there is no service between the CPE and frame switch
Aes-ccmp

36. What is the frame relay deleted state?
69
No LMI is being received by the switch or there is no service between the CPE and frame switch
Same as ::...same as 0.0.0.0
Link-local unicast range

37. What is the frame relay active state?
Rollover
Operational pvc
Show frame-relay lmi
Ripv2 is classless - multicasts - allows authentication

38. Does is-is support VLSM?
69
Same as ::...same as 0.0.0.0
2102
Yes

39. IPv6 anycast address
Yes
To provide routing to a destination not specified in the routing table and is outside the local network
One to first of many addresses
DSSS

40. Which two wireless encryption methods are based on RC4?
120
Leased lines
Sh vtp status
TKIP and WEP

41. What 2 features did WPAV1 add to address WEP's weaknesses?
Per frame sequence counters and key mixing using temporal keys.
Same as ::...same as 0.0.0.0
::1
Show frame-relay lmi

42. What type of frame subinterface do you use for hub and spoke?
Same as ::...same as 0.0.0.0
Ipv6 rip <process-name> enable
Sh frame-relay traffic
Point to point

43. What can you utilize by using PPP layer 2 encapsulation?
Compression - multilink support - authentication
1 - 2 - 5.5 - 11
Point to point
No frame-relay inverse-arp

44. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
Examples and documentation
128 bits
Same as ::...same as 0.0.0.0

45. What is the LMI DLCI used in Cisco?
Same subnet
1023
The address is removed from the pool until the confilct is resolved.
Triggered update - split horizon - route poisoning

46. What spread spectrum technology does 802.11b use?
10 seconds with every 6th message being a full status message
It should be default-network
DSSS
Point to point

47. What sequence of commands creates encrypted eigrp authentication
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
128 bits
Sh frame-relay traffic
FECN - BECN - DE

48. What is wrong with this command 'ip default-route 10.1.1.1'?
Sh ip route eigrp
It should be default-network
Same subnet
One to many addresses...always start with ff

49. What is the ipv6 loopback adddress?
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
::1
Examples and documentation
No frame-relay inverse-arp

50. Which command assigns an IPv6 address to an interface?
Decimal - Hex
Ipv6 address 2001:0:1:0::2/64 (example)
1023
Ipv6 rip <process-name> enable