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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 commands create md5 encrypted ospf authentication?
Nonbroadcast multi-access
Sh ip ospf interface
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
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

2. name a situation where a default route would be appropriate...
Same subnet
Leased lines
To provide routing to a destination not specified in the routing table and is outside the local network
Rollover

3. class b private addresses
120
Show frame-relay lmi
In the address table and added to the running config
172.16.0.0 to 172.31.255.255

4. what command shows which vtp server updated the switch
Ignore nvram (password recovery)
Sh frame-relay map
One to first of many addresses
Sh vtp status

5. What are the steps in PPP authentication?
Remote router's connection to the frame relay switch isn't working
Link establishment - optional authentication - network layer protocol
Multicast range
Feature capabilities - hardware platform - run location and compression status

6. Which command shows pvc mappings between the router and the frame switch?
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
Sh frame-relay map
Sh frame-relay pvc
Leased lines

7. What encryption does WPA2 use
Ignore nvram (password recovery)
Ip ospf authentication - ip ospf authentication-key XXXXX
Aes-ccmp
128 bits

8. What are the two ppp authentication methods?
100
Private address. Can be routed locally - but not on Internet
Pap and chap
Sh ip ospf interface

9. What is the first action that a host will take when sending data to a host on a different network?
Per frame sequence counters and key mixing using temporal keys.
::1
Show frame-relay lmi
Arp for the host

10. Differences between ripv1 and ripv2
20
25
Only in the address table
Ripv2 is classless - multicasts - allows authentication

11. What spread spectrum technology does 802.11b use?
DSSS
Examples and documentation
Ipv4 address in a mixed environment
Decimal - Hex

12. Which command shows only EIGRP routes?
Sh ip route eigrp
It should be default-network
Only in the address table
53

13. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
In the address table and added to the running config
One
Remote router's connection to the frame relay switch isn't working
Per frame sequence counters and key mixing using temporal keys.

14. How often do LMI messages flow?
The address is removed from the pool until the confilct is resolved.
Like private ipv4 address - but can't be routed at all
10 seconds with every 6th message being a full status message
To configure a route form an ISP router into a corporate network

15. tcp/udp port for POP3
100
1 -2 - 5.5 - 11
To provide routing to a destination not specified in the routing table and is outside the local network
Sh frame-relay pvc

16. What is the default bridge STP priority?
100
Examples and documentation
32768
Rollover

17. tcp/udp port for telnet
Ripv2 is classless - multicasts - allows authentication
224.0.0.5
23
0

18. Which command shows frame relay status and keep-alive information?
128 bits
Encapsulation mismatch and clock rate issues.
Device identifier - address list - port identifier - capabilites list - platform
Show frame-relay lmi

19. IPv6 unicast address
Remote router's connection to the frame relay switch isn't working
Destined for a single interface
Debug ppp authentication
Disconnect 3

20. What rule does dhcp use when an IP address conflict is detected?
Sh ip route eigrp
One
2000::/3
The address is removed from the pool until the confilct is resolved.

21. What is the frame relay active state?
Show frame-relay lmi
53
Operational pvc
Sh ip route eigrp

22. What command shows the status of PVC - FECN - BECN
Sh frame-relay pvc
No frame-relay inverse-arp
Link establishment - optional authentication - network layer protocol
Encapsulation mismatch and clock rate issues.

23. name a situation where a static route would be appropriate...
DLCI to an IP address
Root and designated
To configure a route form an ISP router into a corporate network
Debug ip icmp

24. What is the LMI DLCI used in ANSI?
Debug ppp authentication
0
Encapsulation mismatch and clock rate issues.
Same subnet

25. What type of cable connects the router's aux port to a modem?
Per frame sequence counters and key mixing using temporal keys.
DLCI to an IP address
Operational pvc
Rollover

26. IPv6 global unicast addresses
Leased lines
::1
Rommon
Publicly routable addresses

27. What criteria does OSPF use to determine RID?
53
Highest logical interface IP - then highest configured IP
Sh flash
Show frame-relay lmi

28. How does ripv2 respond to topology changes?
1 -2 - 5.5 - 11
Decimal - Hex
Sh frame-relay pvc
Triggered update - split horizon - route poisoning

29. tcp/udp port for DNS
Compression - multilink support - authentication
20
53
Bypass startup config - initial config mode - password recovery

30. 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
2102
Sh arp and sh int
Same as ::...same as 0.0.0.0

31. Static secure mac addresses are stored...
In the address table and added to the running config
Yes
Ripv2 is classless - multicasts - allows authentication
Arp for the host

32. class a private addresses
Point to point
Aes-ccmp
In the address table and added to the running config
10.0.0.0 to 10.255.255.255

33. What does a frame relay pvc status of inactive indicate?
Sh ip ospf interface
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
<ctrl><shift>6 then x
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

34. How long is an IPv6 address?
::1
53
128 bits
Compression - multilink support - authentication

35. IPv6 anycast address
To configure a route form an ISP router into a corporate network
1023
Point to point
One to first of many addresses

36. IPv6 2002::/16
Device identifier - address list - port identifier - capabilites list - platform
Local router - frame relay WAN
Used with 6 to 4
Remote router's connection to the frame relay switch isn't working

37. What command kills telnet session #3?
1023
53
Disconnect 3
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

38. Which command suspends a telnet session?
Yes
One to many addresses...always start with ff
Link establishment - optional authentication - network layer protocol
<ctrl><shift>6 then x

39. class c private addresses
::1 same as 127.0.0.1
192.168.0.0 to 192.168.255.255
DSSS
32 bits

40. IPv6 FE80::/10
It should be default-network
Link-local unicast range
69
Only in the address table

41. what 3 things can be deduced from the IOS image file name?
Ripv2 is classless - multicasts - allows authentication
::1
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

42. tcp/udp port for TFTP
53
Per frame sequence counters and key mixing using temporal keys.
Feature capabilities - hardware platform - run location and compression status
69

43. What 2 features did WPAV1 add to address WEP's weaknesses?
Nonbroadcast multi-access
Per frame sequence counters and key mixing using temporal keys.
Show arp
Feature capabilities - hardware platform - run location and compression status

44. confreg 2142
32768
Bypass startup config - initial config mode - password recovery
No frame-relay inverse-arp
Ignore nvram (password recovery)

45. What does ripv2 do to prevent routing loops?
Multicast range
Split horizon and holddown timers
1544 kbps
Remote router's connection to the frame relay switch isn't working

46. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
To configure a route form an ISP router into a corporate network
1 - 2 - 5.5 - 11
Operational pvc
Ipv6 rip <process-name> enable

47. OSPF hello packets are sent to which address?
Ip ospf authentication - ip ospf authentication-key XXXXX
224.0.0.5
32 bits
DLCI to an IP address

48. IPv6 0:0:0:0:0:0:0:0
No LMI is being received by the switch or there is no service between the CPE and frame switch
Debug ppp authentication
Same as ::...same as 0.0.0.0
Sh ip int [interface]

49. What is the default AD for RIP
120
Ip ospf authentication - ip ospf authentication-key XXXXX
Decimal - Hex
Sh frame-relay traffic

50. Which command shows frame relay status and keep-alive information?
Device identifier - address list - port identifier - capabilites list - platform
Per frame sequence counters and key mixing using temporal keys.
Debug ppp authentication
Show frame-relay lmi