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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. How often do LMI messages flow?
53
Sh frame-relay pvc
Encapsulation mismatch and clock rate issues.
10 seconds with every 6th message being a full status message

2. Which features did wpav4 add to address the weaknesses of WEP?
53
Per frame sequence counters and key mixing using temporal keys.
Only in the address table
Split horizon and holddown timers

3. Which command turns on IPv6 routing?
Compression - multilink support - authentication
161
Feature capabilities - hardware platform - run location and compression status
Ipv6 unicast-routing

4. What type of frame subinterface do you use for hub and spoke?
Nonbroadcast multi-access
Point to point
Boots to rommon
To configure a route form an ISP router into a corporate network

5. What spread spectrum technology does 802.11b use?
Examples and documentation
DSSS
Highest logical interface IP - then highest configured IP
Aes-ccmp

6. IPv6 global unicast addresses
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
FECN - BECN - DE
Sh ip eigrp neighbors
Publicly routable addresses

7. Differences between ripv1 and ripv2
Unique local unicast range
Ripv2 is classless - multicasts - allows authentication
10 seconds with every 6th message being a full status message
In the address table and added to the running config

8. 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
192.168.0.0 to 192.168.255.255
Access-class
69

9. IPv6 FE80::/10
Link-local unicast range
32768
One
By default

10. confreg 2142
Ignore nvram (password recovery)
Boots to rommon
Private address. Can be routed locally - but not on Internet
Per frame sequence counters and key mixing using temporal keys.

11. What does ripv2 do to prevent routing loops?
Split horizon and holddown timers
Highest logical interface IP - then highest configured IP
Unique local unicast range
Point to point

12. IPv6 multicast address
1544 kbps
Pap and chap
Sh arp and sh int
One to many addresses...always start with ff

13. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
Decimal - Hex
Multicast range
Network
Global unicast range

14. What command kills telnet session #3?
To configure a route form an ISP router into a corporate network
One to many addresses...always start with ff
Disconnect 3
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

15. Which command disables frame-relay inverse arp?
Point to point
Link establishment - optional authentication - network layer protocol
Highest logical interface IP - then highest configured IP
No frame-relay inverse-arp

16. tcp/udp port for POP3
Triggered update - split horizon - route poisoning
100
Link establishment - optional authentication - network layer protocol
Sh ip route eigrp

17. Which command turns on RIPng for ipv6?
Ipv6 rip <process-name> enable
Sh ip eigrp neighbors
Sh frame-relay traffic
Debug ip icmp

18. class a private addresses
172.16.0.0 to 172.31.255.255
120
Network
10.0.0.0 to 10.255.255.255

19. What is the LMI DLCI used in ANSI?
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
0
Decimal - Hex
Destined for a single interface

20. Inverse ARP maps a ______ to a ________
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
Pap and chap
DLCI to an IP address
Debug ppp authentication

21. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Ip addresses are conserved if vlsm is not used for subnetting
Ripv2 is classless - multicasts - allows authentication
120
::1

22. By default - FR is classified as what type of physical network?
Nonbroadcast multi-access
::1
128 bits
Used with 6 to 4

23. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Sh ip ospf interface
Local router - frame relay WAN
1544 kbps
In the address table and added to the running config

24. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
20
161
1 -2 - 5.5 - 11
Sh ip eigrp neighbors

25. class c private addresses
Ripv2 is classless - multicasts - allows authentication
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
192.168.0.0 to 192.168.255.255
Show frame-relay lmi

26. What does config register 0x2100 do?
Same subnet
Boots to rommon
Sh vtp status
1023

27. OSPF hello packets are sent to which address?
224.0.0.5
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Yes
0

28. what 3 things can be deduced from the IOS image file name?
Feature capabilities - hardware platform - run location and compression status
It should be default-network
No frame-relay inverse-arp
Sh arp and sh int

29. What is the default bridge STP priority?
Decimal - Hex
32768
Root and designated
1 - 2 - 5.5 - 11

30. Which command shows global frame relay stats since the last router reload?
Leased lines
10.0.0.0 to 10.255.255.255
Sh frame-relay traffic
Show arp

31. What sequence of commands creates encrypted eigrp authentication
Local router - frame relay WAN
Network
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
One to many addresses...always start with ff

32. What is wrong with this command 'ip default-route 10.1.1.1'?
10 seconds with every 6th message being a full status message
2000::/3
It should be default-network
DSSS

33. Static secure mac addresses are stored...
23
Arp for the host
Ipv6 rip <process-name> enable
In the address table and added to the running config

34. What are the three types of congestion notification used by frame relay?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Yes
Point to point
FECN - BECN - DE

35. What are the three options for LMI in FR?
TKIP and WEP
Point to point
One to many addresses...always start with ff
Q933a - cisco and ansi

36. At which layer should you begin troubleshooting QOS issues?
Link-local unicast range
Network
Triggered update - split horizon - route poisoning
Per frame sequence counters and key mixing using temporal keys.

37. Which command suspends a telnet session?
Sh ip eigrp neighbors
<ctrl><shift>6 then x
Per frame sequence counters and key mixing using temporal keys.
Point to point

38. What is the frame relay deleted state?
No LMI is being received by the switch or there is no service between the CPE and frame switch
2000::/3
Network
1544 kbps

39. Sticky secure mac addresses are stored...
1 - 2 - 5.5 - 11
In the address table and added to the running config
Rollover
Ip addresses are conserved if vlsm is not used for subnetting

40. IPv6 2002::/16
DLCI to an IP address
224.0.0.5
Used with 6 to 4
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

41. IPv6 FC00::/7
Ripv2 is classless - multicasts - allows authentication
Unique local unicast range
::1
Show frame-relay lmi

42. Which command shows pvc mappings between the router and the frame switch?
23
Debug ip icmp
Yes
Sh frame-relay pvc

43. IPv6 link-local address

44. What are the two ppp authentication methods?
Sh vtp status
Pap and chap
224.0.0.5
Rollover

45. What command displays the CHAP authentication process in real time?
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Debug ppp authentication
Yes
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

46. What command is used to debug the ping command?
Arp for the host
Debug ip icmp
TKIP and WEP
Sh flash

47. IPv6 FF00::/8
Pap and chap
2102
Multicast range
23

48. What does config register 0x2142 do?
0
Bypass startup config - initial config mode - password recovery
Rollover
Link-local unicast range

49. confreg 2120
<ctrl><shift>6 then x
Rommon
10 seconds with every 6th message being a full status message
Network

50. How long is an IPv4 address?
Multicast range
53
32 bits
120