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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 are the two ppp authentication methods?
Boots to rommon
Debug ip icmp
::1 same as 127.0.0.1
Pap and chap

2. How long is an IPv4 address?
Sh ip eigrp neighbors
20
Leased lines
32 bits

3. class b private addresses
Yes
21
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
172.16.0.0 to 172.31.255.255

4. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
It should be default-network
Boots to rommon
Decimal - Hex
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

5. Which two wireless encryption methods are based on RC4?
Highest logical interface IP - then highest configured IP
TKIP and WEP
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
No frame-relay inverse-arp

6. class a private addresses
10.0.0.0 to 10.255.255.255
Triggered update - split horizon - route poisoning
In the address table and added to the running config
Examples and documentation

7. What is the command to use an ACL for VTY access
Used with 6 to 4
Access-class
Destined for a single interface
32 bits

8. What type of cable connects the router's aux port to a modem?
Ipv6 address 2001:0:1:0::2/64 (example)
In the address table and added to the running config
100
Rollover

9. class c private addresses
Highest logical interface IP - then highest configured IP
192.168.0.0 to 192.168.255.255
Sh vtp status
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

10. What command shows the amount of memory being used and whether there is enough room to load a new image?
Rollover
Sh flash
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
23

11. What 3 things are necessary for 2 routers to establish ospf neighborship?
It should be default-network
No frame-relay inverse-arp
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
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

12. Sticky secure mac addresses are stored...
In the address table and added to the running config
0
Unique local unicast range
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

13. Name 2 reasons a serial connection can be in an up/down status?
32 bits
Sh ip eigrp neighbors
Encapsulation mismatch and clock rate issues.
Examples and documentation

14. Which 2 port roles forward traffic under 802.1w standard?
Sh ip ospf interface
One to first of many addresses
Sh frame-relay pvc
Root and designated

15. IPv6 link-local address

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16. How often do LMI messages flow?
One to first of many addresses
10 seconds with every 6th message being a full status message
Sh flash
Debug ppp authentication

17. What command shows the status of PVC - FECN - BECN
Link establishment - optional authentication - network layer protocol
Sh frame-relay pvc
23
Ipv6 address 2001:0:1:0::2/64 (example)

18. Dynamic secure mac addresses are stored...
Only in the address table
DLCI to an IP address
Sh ip route eigrp
Sh ip eigrp neighbors

19. Which command assigns an IPv6 address to an interface?
Link establishment - optional authentication - network layer protocol
224.0.0.5
Ipv6 rip <process-name> enable
Ipv6 address 2001:0:1:0::2/64 (example)

20. what command shows which vtp server updated the switch
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Sh vtp status
Yes
Point to point

21. tcp/udp port for telnet
Split horizon and holddown timers
23
Encapsulation mismatch and clock rate issues.
224.0.0.5

22. Which features did wpav4 add to address the weaknesses of WEP?
Examples and documentation
::1
Show arp
Per frame sequence counters and key mixing using temporal keys.

23. confreg 2142
53
Remote router's connection to the frame relay switch isn't working
Ignore nvram (password recovery)
Like private ipv4 address - but can't be routed at all

24. IPv6 FC00::/7
Used with 6 to 4
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Operational pvc
Unique local unicast range

25. Inverse ARP maps a ______ to a ________
DLCI to an IP address
Ipv6 unicast-routing
Show frame-relay lmi
No LMI is being received by the switch or there is no service between the CPE and frame switch

26. What type of frame subinterface do you use for hub and spoke?
32 bits
Point to point
No LMI is being received by the switch or there is no service between the CPE and frame switch
Boots to rommon

27. ipv6 global addresses start with ...
One to many addresses...always start with ff
Sh frame-relay traffic
2000::/3
Sh frame-relay traffic

28. How long is an IPv6 address?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
128 bits
Sh ip eigrp neighbors
Operational pvc

29. tcp/udp port for FTP data
23
20
::1 same as 127.0.0.1
192.168.0.0 to 192.168.255.255

30. what 3 things can be deduced from the IOS image file name?
It should be default-network
Feature capabilities - hardware platform - run location and compression status
Show frame-relay lmi
Compression - multilink support - authentication

31. What command is used to debug the ping command?
Debug ip icmp
Unique local unicast range
10 seconds with every 6th message being a full status message
Only in the address table

32. How does ripv2 respond to topology changes?
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Triggered update - split horizon - route poisoning
To provide routing to a destination not specified in the routing table and is outside the local network
Debug ppp authentication

33. What command kills telnet session #3?
Per frame sequence counters and key mixing using temporal keys.
1544 kbps
Disconnect 3
Rollover

34. What is wrong with this command 'ip default-route 10.1.1.1'?
It should be default-network
Operational pvc
Remote router's connection to the frame relay switch isn't working
Ip ospf authentication - ip ospf authentication-key XXXXX

35. What is the frame relay deleted state?
Access-class
Unique local unicast range
No LMI is being received by the switch or there is no service between the CPE and frame switch
1 - 2 - 5.5 - 11

36. IPv6 FF00::/8
53
Multicast range
1 - 2 - 5.5 - 11
Per frame sequence counters and key mixing using temporal keys.

37. Which command disables frame-relay inverse arp?
Operational pvc
No frame-relay inverse-arp
Sh ip int [interface]
Point to point

38. What information is supplied by CDP? (5)
Device identifier - address list - port identifier - capabilites list - platform
172.16.0.0 to 172.31.255.255
Point to point
Destined for a single interface

39. Which command turns on IPv6 routing?
Rollover
Sh vtp status
Sh frame-relay pvc
Ipv6 unicast-routing

40. What 2 features did WPAV1 add to address WEP's weaknesses?
Access-class
Per frame sequence counters and key mixing using temporal keys.
Sh flash
Point to point

41. What are the three options for LMI in FR?
Examples and documentation
Ipv6 unicast-routing
To configure a route form an ISP router into a corporate network
Q933a - cisco and ansi

42. What rule does dhcp use when an IP address conflict is detected?
128 bits
The address is removed from the pool until the confilct is resolved.
Ipv6 address 2001:0:1:0::2/64 (example)
Bypass startup config - initial config mode - password recovery

43. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
By default
32768
Ignore nvram (password recovery)

44. Which command shows pvc mappings between the router and the frame switch?
TKIP and WEP
23
Sh frame-relay pvc
To provide routing to a destination not specified in the routing table and is outside the local network

45. At which layer should you begin troubleshooting QOS issues?
Like private ipv4 address - but can't be routed at all
Network
Sh flash
Sh frame-relay traffic

46. tcp/udp port for FTP control
Sh frame-relay pvc
21
::1
Sh ip eigrp neighbors

47. What commands create plain-text ospf authentication?
Ipv4 address in a mixed environment
Sh frame-relay traffic
53
Ip ospf authentication - ip ospf authentication-key XXXXX

48. What does config register 0x2100 do?
Link-local unicast range
The address is removed from the pool until the confilct is resolved.
Boots to rommon
120

49. What are the three types of congestion notification used by frame relay?
FECN - BECN - DE
53
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
DSSS

50. IPv6 2000::/3
Global unicast range
Show frame-relay lmi
Unique local unicast range
Ipv6 rip <process-name> enable