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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 SMTP
128 bits
25
Ipv6 rip <process-name> enable
Pap and chap

2. IPv6 0:0:0:0:0:0:0:1
Ip ospf authentication - ip ospf authentication-key XXXXX
53
::1 same as 127.0.0.1
Same subnet

3. What spread spectrum technology does 802.11b use?
DLCI to an IP address
Network
DSSS
20

4. confreg 2120
Global unicast range
Rommon
Ip addresses are conserved if vlsm is not used for subnetting
Publicly routable addresses

5. Which command disables frame-relay inverse arp?
25
Encapsulation mismatch and clock rate issues.
No frame-relay inverse-arp
Per frame sequence counters and key mixing using temporal keys.

6. tcp/udp port for SNMP
Link establishment - optional authentication - network layer protocol
Sh frame-relay traffic
161
0

7. IPv6 0:0:0:0:0:0:192.168.100.1
Ipv4 address in a mixed environment
Triggered update - split horizon - route poisoning
Decimal - Hex
Show frame-relay lmi

8. What does config register 0x2100 do?
Debug ip icmp
Show frame-relay lmi
Ipv6 address 2001:0:1:0::2/64 (example)
Boots to rommon

9. What 3 things are necessary for 2 routers to establish ospf neighborship?
Unique local unicast range
Private address. Can be routed locally - but not on Internet
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
In the address table and added to the running config

10. What is the frame relay deleted state?
Sh frame-relay pvc
No frame-relay inverse-arp
No LMI is being received by the switch or there is no service between the CPE and frame switch
120

11. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
1544 kbps
53
Aes-ccmp
Sh ip ospf interface

12. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
Private address. Can be routed locally - but not on Internet
Publicly routable addresses
1 -2 - 5.5 - 11
Same subnet

13. Dynamic secure mac addresses are stored...
Access-class
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
23
Only in the address table

14. Which command shows frame relay status and keep-alive information?
Like private ipv4 address - but can't be routed at all
To configure a route form an ISP router into a corporate network
Rollover
Show frame-relay lmi

15. OSPF hello packets are sent to which address?
Destined for a single interface
No frame-relay inverse-arp
10.0.0.0 to 10.255.255.255
224.0.0.5

16. Which command shows global frame relay stats since the last router reload?
No frame-relay inverse-arp
Encapsulation mismatch and clock rate issues.
Sh frame-relay traffic
It should be default-network

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

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18. IPv6 global unicast addresses
23
Boots to rommon
By default
Publicly routable addresses

19. What command displays the CHAP authentication process in real time?
Private address. Can be routed locally - but not on Internet
Encapsulation mismatch and clock rate issues.
Pap and chap
Debug ppp authentication

20. Which two wireless encryption methods are based on RC4?
TKIP and WEP
Debug ip icmp
Compression - multilink support - authentication
192.168.0.0 to 192.168.255.255

21. Which command shows mac addresses of stations connected to switch ports?
172.16.0.0 to 172.31.255.255
Split horizon and holddown timers
In the address table and added to the running config
Show arp

22. What command shows the status of PVC - FECN - BECN
Private address. Can be routed locally - but not on Internet
Bypass startup config - initial config mode - password recovery
::1 same as 127.0.0.1
Sh frame-relay pvc

23. What encryption does WPA2 use
::1 same as 127.0.0.1
Debug ppp authentication
Sh frame-relay pvc
Aes-ccmp

24. How often do LMI messages flow?
10 seconds with every 6th message being a full status message
Sh ip eigrp neighbors
Sh arp and sh int
21

25. What is the ipv6 loopback address?
32768
::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
Sh arp and sh int

26. What does ripv2 do to prevent routing loops?
32 bits
Arp for the host
Split horizon and holddown timers
<ctrl><shift>6 then x

27. What is the default bridge STP priority?
32768
25
Remote router's connection to the frame relay switch isn't working
23

28. IPv6 2000::/3
1 -2 - 5.5 - 11
Sh frame-relay pvc
Global unicast range
Boots to rommon

29. 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
1023
No frame-relay inverse-arp
Only in the address table

30. What is the LMI DLCI used in ANSI?
Decimal - Hex
0
Ipv6 address 2001:0:1:0::2/64 (example)
Highest logical interface IP - then highest configured IP

31. What is the command to use an ACL for VTY access
25
Show arp
Access-class
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

32. At which layer should you begin troubleshooting QOS issues?
DSSS
Only in the address table
Network
Decimal - Hex

33. Which command shows frame relay status and keep-alive information?
Link-local unicast range
Show frame-relay lmi
53
Sh frame-relay pvc

34. Differences between ripv1 and ripv2
Q933a - cisco and ansi
Sh frame-relay map
Ripv2 is classless - multicasts - allows authentication
Access-class

35. tcp/udp port for DNS
Debug ppp authentication
Rommon
53
23

36. Which command turns on IPv6 routing?
Root and designated
2000::/3
Ipv6 unicast-routing
Ipv4 address in a mixed environment

37. By default - FR is classified as what type of physical network?
Nonbroadcast multi-access
Sh ip eigrp neighbors
Disconnect 3
Point to point

38. What are the three options for LMI in FR?
Sh frame-relay traffic
Q933a - cisco and ansi
Pap and chap
Sh vtp status

39. what command shows which vtp server updated the switch
Only in the address table
It should be default-network
Sh vtp status
Private address. Can be routed locally - but not on Internet

40. What 2 features did WPAV1 add to address WEP's weaknesses?
Per frame sequence counters and key mixing using temporal keys.
DLCI to an IP address
Triggered update - split horizon - route poisoning
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

41. IPv6 unique local address
Point to point
Private address. Can be routed locally - but not on Internet
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Sh frame-relay traffic

42. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
Sh frame-relay traffic
Root and designated
Nonbroadcast multi-access

43. tcp/udp port for POP3
Local router - frame relay WAN
1 - 2 - 5.5 - 11
100
Q933a - cisco and ansi

44. How long is an IPv4 address?
Sh frame-relay traffic
Highest logical interface IP - then highest configured IP
32 bits
Rollover

45. Static secure mac addresses are stored...
Sh flash
In the address table and added to the running config
Multicast range
::1

46. Does is-is support VLSM?
Yes
Multicast range
32768
Remote router's connection to the frame relay switch isn't working

47. EIGRP summarizes at class boundaries...
21
Sh ip route eigrp
One to many addresses...always start with ff
By default

48. IPv6 link-local address

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49. 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
Split horizon and holddown timers
Leased lines
One to many addresses...always start with ff

50. IPv6 0:0:0:0:0:0:0:0
Sh arp and sh int
Used with 6 to 4
Boots to rommon
Same as ::...same as 0.0.0.0