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CCNA Updated

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
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. What is the default bridge STP priority?
120
One
Per frame sequence counters and key mixing using temporal keys.
32768

2. What commands create plain-text ospf authentication?
No frame-relay inverse-arp
Only in the address table
Ip ospf authentication - ip ospf authentication-key XXXXX
Per frame sequence counters and key mixing using temporal keys.

3. What command shows the amount of memory being used and whether there is enough room to load a new image?
Per frame sequence counters and key mixing using temporal keys.
Sh arp and sh int
100
Sh flash

4. What is the frame relay deleted state?
20
No LMI is being received by the switch or there is no service between the CPE and frame switch
172.16.0.0 to 172.31.255.255
::1 same as 127.0.0.1

5. class c private addresses
Local router - frame relay WAN
In the address table and added to the running config
Remote router's connection to the frame relay switch isn't working
192.168.0.0 to 192.168.255.255

6. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
Operational pvc
One
10 seconds with every 6th message being a full status message
<ctrl><shift>6 then x

7. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Sh frame-relay traffic
One to first of many addresses
Remote router's connection to the frame relay switch isn't working
Ip addresses are conserved if vlsm is not used for subnetting

8. IPv6 3FFF:FFFF::/32
Ip addresses are conserved if vlsm is not used for subnetting
Ignore nvram (password recovery)
Examples and documentation
100

9. What does ripv2 do to prevent routing loops?
Split horizon and holddown timers
128 bits
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Remote router's connection to the frame relay switch isn't working

10. What 3 things are necessary for 2 routers to establish ospf neighborship?
32768
53
1544 kbps
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

11. tcp/udp port for TFTP
Like private ipv4 address - but can't be routed at all
69
0
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

12. What is the LMI DLCI used in ANSI?
Examples and documentation
Sh vtp status
In the address table and added to the running config
0

13. By default - FR is classified as what type of physical network?
Nonbroadcast multi-access
32768
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Feature capabilities - hardware platform - run location and compression status

14. What 4 things are necessary for 2 routers to form an eigrp relationship?
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
32 bits
Disconnect 3
Only in the address table

15. What can you utilize by using PPP layer 2 encapsulation?
Compression - multilink support - authentication
Operational pvc
Ripv2 is classless - multicasts - allows authentication
Access-class

16. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
Global unicast range
Sh frame-relay pvc
Decimal - Hex

17. confreg 2120
<ctrl><shift>6 then x
Rommon
Sh vtp status
2102

18. What is the frame relay active state?
One to first of many addresses
2000::/3
20
Operational pvc

19. IPv6 multicast address
One to many addresses...always start with ff
It should be default-network
Link establishment - optional authentication - network layer protocol
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

20. What type of frame subinterface do you use for hub and spoke?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Point to point
Ipv6 address 2001:0:1:0::2/64 (example)
Same subnet

21. confreg 2142
Ignore nvram (password recovery)
0
Show arp
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

22. What type of cable connects the router's aux port to a modem?
Feature capabilities - hardware platform - run location and compression status
Ignore nvram (password recovery)
69
Rollover

23. What is the LMI DLCI used in Cisco?
1544 kbps
The address is removed from the pool until the confilct is resolved.
1023
Private address. Can be routed locally - but not on Internet

24. What type of frame subinterface do you use for hub and spoke?
Pap and chap
Ip ospf authentication - ip ospf authentication-key XXXXX
Per frame sequence counters and key mixing using temporal keys.
Point to point

25. What are the steps in PPP authentication?
Link establishment - optional authentication - network layer protocol
Root and designated
2102
Ip ospf authentication - ip ospf authentication-key XXXXX

26. Which command shows global frame relay stats since the last router reload?
In the address table and added to the running config
One to many addresses...always start with ff
Triggered update - split horizon - route poisoning
Sh frame-relay traffic

27. Name 2 reasons a serial connection can be in an up/down status?
Ipv6 rip <process-name> enable
2102
Encapsulation mismatch and clock rate issues.
Local router - frame relay WAN

28. tcp/udp port for FTP data
Ipv6 unicast-routing
0
192.168.0.0 to 192.168.255.255
20

29. What does this command do: mac-address-table static MAC ADDRESS vlan 10 int f0/1

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30. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
Sh frame-relay map
1 -2 - 5.5 - 11
128 bits
Show arp

31. IPv6 link-local address

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32. Which features did wpav4 add to address the weaknesses of WEP?
Per frame sequence counters and key mixing using temporal keys.
Used with 6 to 4
Sh frame-relay pvc
Sh ip int [interface]

33. What is the default AD for RIP
Feature capabilities - hardware platform - run location and compression status
Sh ip eigrp neighbors
Sh frame-relay map
120

34. name a situation where a default route would be appropriate...
100
To provide routing to a destination not specified in the routing table and is outside the local network
Operational pvc
No frame-relay inverse-arp

35. Which command assigns an IPv6 address to an interface?
Ipv6 address 2001:0:1:0::2/64 (example)
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
20
Disconnect 3

36. At which layer should you begin troubleshooting QOS issues?
Only in the address table
Point to point
Network
Sh ip ospf interface

37. Which command shows pvc mappings between the router and the frame switch?
224.0.0.5
Sh frame-relay pvc
Compression - multilink support - authentication
128 bits

38. IPv6 0:0:0:0:0:0:0:0
Examples and documentation
Link establishment - optional authentication - network layer protocol
Ipv6 address 2001:0:1:0::2/64 (example)
Same as ::...same as 0.0.0.0

39. tcp/udp port for POP3
Rollover
161
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
100

40. Which 2 port roles forward traffic under 802.1w standard?
Network
Sh ip ospf interface
Root and designated
Remote router's connection to the frame relay switch isn't working

41. What does config register 0x2100 do?
Split horizon and holddown timers
No LMI is being received by the switch or there is no service between the CPE and frame switch
Publicly routable addresses
Boots to rommon

42. How long is an IPv6 address?
128 bits
Sh frame-relay pvc
Sh ip route eigrp
Feature capabilities - hardware platform - run location and compression status

43. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Sh frame-relay pvc
Pap and chap
Sh frame-relay map
<ctrl><shift>6 then x

44. What does config register 0x2142 do?
Link establishment - optional authentication - network layer protocol
Show arp
Remote router's connection to the frame relay switch isn't working
Bypass startup config - initial config mode - password recovery

45. what 3 things can be deduced from the IOS image file name?
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
Feature capabilities - hardware platform - run location and compression status
53
Examples and documentation

46. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
Decimal - Hex
No LMI is being received by the switch or there is no service between the CPE and frame switch
2102
Leased lines

47. what command shows which vtp server updated the switch
It should be default-network
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Feature capabilities - hardware platform - run location and compression status
Sh vtp status

48. What encryption does WPA2 use
Rollover
Bypass startup config - initial config mode - password recovery
Ipv6 address 2001:0:1:0::2/64 (example)
Aes-ccmp

49. What command is used to debug the ping command?
Ipv6 address 2001:0:1:0::2/64 (example)
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Debug ip icmp
Like private ipv4 address - but can't be routed at all

50. What is the first action that a host will take when sending data to a host on a different network?
Ip addresses are conserved if vlsm is not used for subnetting
Arp for the host
The address is removed from the pool until the confilct is resolved.
Nonbroadcast multi-access