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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. Which features did wpav4 add to address the weaknesses of WEP?
Per frame sequence counters and key mixing using temporal keys.
Multicast range
10 seconds with every 6th message being a full status message
53

2. At which layer should you begin troubleshooting QOS issues?
Network
Sh ip ospf interface
Debug ppp authentication
Multicast range

3. Which command shows if an acl is applied to an interface?
128 bits
20
Sh ip int [interface]
In the address table and added to the running config

4. What rule does dhcp use when an IP address conflict is detected?
Bypass startup config - initial config mode - password recovery
The address is removed from the pool until the confilct is resolved.
Per frame sequence counters and key mixing using temporal keys.
Same subnet

5. How long is an IPv6 address?
128 bits
Per frame sequence counters and key mixing using temporal keys.
Sh ip route eigrp
10.0.0.0 to 10.255.255.255

6. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
To configure a route form an ISP router into a corporate network
Destined for a single interface
69

7. what 3 things can be deduced from the IOS image file name?
Unique local unicast range
DSSS
2000::/3
Feature capabilities - hardware platform - run location and compression status

8. tcp/udp port for telnet
21
23
Bypass startup config - initial config mode - password recovery
Global unicast range

9. tcp/udp port for POP3
Device identifier - address list - port identifier - capabilites list - platform
32768
FECN - BECN - DE
100

10. What commands create md5 encrypted ospf authentication?
172.16.0.0 to 172.31.255.255
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Root and designated
No frame-relay inverse-arp

11. Which command assigns an IPv6 address to an interface?
Encapsulation mismatch and clock rate issues.
Triggered update - split horizon - route poisoning
Ipv6 address 2001:0:1:0::2/64 (example)
Sh frame-relay pvc

12. class c private addresses
::1 same as 127.0.0.1
Sh ip ospf interface
Publicly routable addresses
192.168.0.0 to 192.168.255.255

13. tcp/udp port for FTP control
Ipv4 address in a mixed environment
Sh frame-relay map
21
172.16.0.0 to 172.31.255.255

14. What is the default configuration register setting?
2102
Encapsulation mismatch and clock rate issues.
No frame-relay inverse-arp
Like private ipv4 address - but can't be routed at all

15. What command shows the status of PVC - FECN - BECN
Triggered update - split horizon - route poisoning
Sh frame-relay pvc
Only in the address table
Arp for the host

16. Which two wireless encryption methods are based on RC4?
Ip addresses are conserved if vlsm is not used for subnetting
One to first of many addresses
FECN - BECN - DE
TKIP and WEP

17. Which command turns on RIPng for ipv6?
Pap and chap
Ipv6 rip <process-name> enable
Ripv2 is classless - multicasts - allows authentication
Sh frame-relay pvc

18. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Sh frame-relay map
Destined for a single interface
Split horizon and holddown timers
Sh ip ospf interface

19. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
Device identifier - address list - port identifier - capabilites list - platform
1 -2 - 5.5 - 11
Point to point

20. IPv6 unicast address
Destined for a single interface
Ip ospf authentication - ip ospf authentication-key XXXXX
100
Yes

21. OSPF hello packets are sent to which address?
0
224.0.0.5
Split horizon and holddown timers
Multicast range

22. tcp/udp port for TFTP
69
Network
Decimal - Hex
Remote router's connection to the frame relay switch isn't working

23. Which command suspends a telnet session?
Compression - multilink support - authentication
Show frame-relay lmi
Debug ip icmp
<ctrl><shift>6 then x

24. IPv6 FC00::/7
Unique local unicast range
Encapsulation mismatch and clock rate issues.
One to many addresses...always start with ff
Multicast range

25. Which command shows global frame relay stats since the last router reload?
Sh frame-relay traffic
Show frame-relay lmi
Link-local unicast range
10 seconds with every 6th message being a full status message

26. name a situation where a default route would be appropriate...
32768
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
To provide routing to a destination not specified in the routing table and is outside the local network
1 - 2 - 5.5 - 11

27. IPv6 FF00::/8
Multicast range
Ip addresses are conserved if vlsm is not used for subnetting
10.0.0.0 to 10.255.255.255
Root and designated

28. What is the frame relay inactive state?

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29. tcp/udp port for SNMP
Q933a - cisco and ansi
161
Ipv6 address 2001:0:1:0::2/64 (example)
Global unicast range

30. What is the frame relay active state?
128 bits
Triggered update - split horizon - route poisoning
Operational pvc
1 -2 - 5.5 - 11

31. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
::1
Operational pvc
Unique local unicast range
Decimal - Hex

32. Which command shows frame relay status and keep-alive information?
Per frame sequence counters and key mixing using temporal keys.
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Remote router's connection to the frame relay switch isn't working
Show frame-relay lmi

33. IPv6 link-local address

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34. Which command shows frame relay status and keep-alive information?
Access-class
Show frame-relay lmi
Sh ip int [interface]
Operational pvc

35. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Root and designated
2000::/3
FECN - BECN - DE
Ip addresses are conserved if vlsm is not used for subnetting

36. What is the order of preference in a routing table?
DSSS
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Per frame sequence counters and key mixing using temporal keys.
10 seconds with every 6th message being a full status message

37. ipv6 global addresses start with ...
Per frame sequence counters and key mixing using temporal keys.
2000::/3
DSSS
2102

38. What is the ipv6 loopback address?
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
::1
Sh frame-relay pvc
Ipv6 address 2001:0:1:0::2/64 (example)

39. What are the steps in PPP authentication?
Link establishment - optional authentication - network layer protocol
Sh frame-relay traffic
FECN - BECN - DE
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

40. What is the default bridge STP priority?
25
32768
In the address table and added to the running config
One to many addresses...always start with ff

41. class b private addresses
53
172.16.0.0 to 172.31.255.255
Ipv4 address in a mixed environment
Like private ipv4 address - but can't be routed at all

42. Differences between ripv1 and ripv2
53
Ripv2 is classless - multicasts - allows authentication
25
Used with 6 to 4

43. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
Feature capabilities - hardware platform - run location and compression status
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
One
Sh arp and sh int

44. What is the ipv6 loopback adddress?
69
::1
192.168.0.0 to 192.168.255.255
25

45. What is the LMI DLCI used in Cisco?
Debug ip icmp
No LMI is being received by the switch or there is no service between the CPE and frame switch
100
1023

46. What is the frame relay deleted state?
Highest logical interface IP - then highest configured IP
Encapsulation mismatch and clock rate issues.
One to first of many addresses
No LMI is being received by the switch or there is no service between the CPE and frame switch

47. How does ripv2 respond to topology changes?
It should be default-network
Triggered update - split horizon - route poisoning
1 - 2 - 5.5 - 11
Ipv4 address in a mixed environment

48. IPv6 2002::/16
32 bits
Local router - frame relay WAN
Sh frame-relay pvc
Used with 6 to 4

49. Which command disables frame-relay inverse arp?
One to many addresses...always start with ff
1 - 2 - 5.5 - 11
1023
No frame-relay inverse-arp

50. What does config register 0x2142 do?
32768
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
172.16.0.0 to 172.31.255.255
Bypass startup config - initial config mode - password recovery