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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. IPv6 multicast address
Ipv6 rip <process-name> enable
10 seconds with every 6th message being a full status message
Debug ip icmp
One to many addresses...always start with ff

2. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
Ipv6 unicast-routing
Show arp
1 - 2 - 5.5 - 11
Access-class

3. How does ripv2 respond to topology changes?
Unique local unicast range
Triggered update - split horizon - route poisoning
Per frame sequence counters and key mixing using temporal keys.
No frame-relay inverse-arp

4. Which command shows global frame relay stats since the last router reload?
Examples and documentation
In the address table and added to the running config
10 seconds with every 6th message being a full status message
Sh frame-relay traffic

5. tcp/udp port for DNS
53
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
Per frame sequence counters and key mixing using temporal keys.

6. What are the two ppp authentication methods?
Unique local unicast range
1544 kbps
Sh flash
Pap and chap

7. What commands create md5 encrypted ospf authentication?
Access-class
Remote router's connection to the frame relay switch isn't working
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Arp for the host

8. name a situation where a default route would be appropriate...
The address is removed from the pool until the confilct is resolved.
Triggered update - split horizon - route poisoning
1 -2 - 5.5 - 11
To provide routing to a destination not specified in the routing table and is outside the local network

9. What is the frame relay deleted state?
Show frame-relay lmi
No LMI is being received by the switch or there is no service between the CPE and frame switch
Root and designated
Multicast range

10. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
It should be default-network
Nonbroadcast multi-access
Same subnet
Sh ip int [interface]

11. What is the command to use an ACL for VTY access
No LMI is being received by the switch or there is no service between the CPE and frame switch
20
No frame-relay inverse-arp
Access-class

12. Which command shows if an acl is applied to an interface?
Ipv4 address in a mixed environment
Sh ip int [interface]
Examples and documentation
Sh ip ospf interface

13. What sequence of commands creates encrypted eigrp authentication
Ip addresses are conserved if vlsm is not used for subnetting
Nonbroadcast multi-access
In the address table and added to the running config
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

14. What is the order of preference in a routing table?
Access-class
Point to point
Link-local unicast range
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

15. What is the ipv6 loopback address?
224.0.0.5
Examples and documentation
::1
69

16. Does is-is support VLSM?
Yes
Triggered update - split horizon - route poisoning
One
Pap and chap

17. What command is used to debug the ping command?
Debug ip icmp
Operational pvc
Ipv4 address in a mixed environment
Local router - frame relay WAN

18. class b private addresses
172.16.0.0 to 172.31.255.255
In the address table and added to the running config
Ripv2 is classless - multicasts - allows authentication
Highest logical interface IP - then highest configured IP

19. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Sh ip ospf interface
In the address table and added to the running config
::1
Ip addresses are conserved if vlsm is not used for subnetting

20. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
Q933a - cisco and ansi
Sh ip int [interface]
TKIP and WEP
1 -2 - 5.5 - 11

21. what 3 things can be deduced from the IOS image file name?
Sh frame-relay pvc
25
Feature capabilities - hardware platform - run location and compression status
1023

22. class c private addresses
192.168.0.0 to 192.168.255.255
Ip addresses are conserved if vlsm is not used for subnetting
Bypass startup config - initial config mode - password recovery
Sh frame-relay map

23. OSPF hello packets are sent to which address?
Like private ipv4 address - but can't be routed at all
10.0.0.0 to 10.255.255.255
Q933a - cisco and ansi
224.0.0.5

24. tcp/udp port for SMTP
Used with 6 to 4
To configure a route form an ISP router into a corporate network
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
25

25. What are the three types of congestion notification used by frame relay?
Access-class
No frame-relay inverse-arp
FECN - BECN - DE
32768

26. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
20
Ipv6 address 2001:0:1:0::2/64 (example)
161
Ip addresses are conserved if vlsm is not used for subnetting

27. What rule does dhcp use when an IP address conflict is detected?
The address is removed from the pool until the confilct is resolved.
No frame-relay inverse-arp
Destined for a single interface
In the address table and added to the running config

28. Which command turns on IPv6 routing?
Ipv6 unicast-routing
One to first of many addresses
Per frame sequence counters and key mixing using temporal keys.
In the address table and added to the running config

29. IPv6 2001:0DB8::/32
Examples and documentation
32768
To configure a route form an ISP router into a corporate network
Only in the address table

30. How often do LMI messages flow?
Leased lines
Point to point
The address is removed from the pool until the confilct is resolved.
10 seconds with every 6th message being a full status message

31. tcp/udp port for FTP data
No LMI is being received by the switch or there is no service between the CPE and frame switch
<ctrl><shift>6 then x
Used with 6 to 4
20

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

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33. IPv6 FC00::/7
32768
Link-local unicast range
Yes
Unique local unicast range

34. How long is an IPv4 address?
32 bits
Sh frame-relay pvc
20
192.168.0.0 to 192.168.255.255

35. Which command shows pvc mappings between the router and the frame switch?
No frame-relay inverse-arp
Compression - multilink support - authentication
161
Sh frame-relay pvc

36. Sticky secure mac addresses are stored...
In the address table and added to the running config
Ignore nvram (password recovery)
1023
Sh frame-relay pvc

37. IPv6 0:0:0:0:0:0:192.168.100.1
Ipv4 address in a mixed environment
224.0.0.5
Highest logical interface IP - then highest configured IP
Sh frame-relay traffic

38. IPv6 0:0:0:0:0:0:0:1
Root and designated
Compression - multilink support - authentication
::1 same as 127.0.0.1
FECN - BECN - DE

39. What does config register 0x2142 do?
Bypass startup config - initial config mode - password recovery
Ipv4 address in a mixed environment
No frame-relay inverse-arp
53

40. Which command suspends a telnet session?
To provide routing to a destination not specified in the routing table and is outside the local network
<ctrl><shift>6 then x
192.168.0.0 to 192.168.255.255
Nonbroadcast multi-access

41. IPv6 global unicast addresses
Publicly routable addresses
Link establishment - optional authentication - network layer protocol
Disconnect 3
Ipv4 address in a mixed environment

42. Which command disables frame-relay inverse arp?
Debug ip icmp
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
No frame-relay inverse-arp

43. ipv6 global addresses start with ...
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Sh frame-relay pvc
2000::/3
172.16.0.0 to 172.31.255.255

44. Which 2 port roles forward traffic under 802.1w standard?
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
No LMI is being received by the switch or there is no service between the CPE and frame switch
Root and designated
10.0.0.0 to 10.255.255.255

45. tcp/udp port for TFTP
Show frame-relay lmi
Show frame-relay lmi
Sh frame-relay pvc
69

46. What is the LMI DLCI used in Cisco?
Triggered update - split horizon - route poisoning
1023
Aes-ccmp
Link establishment - optional authentication - network layer protocol

47. IPv6 unicast address
Same subnet
Destined for a single interface
Link-local unicast range
Sh ip int [interface]

48. What type of cable connects the router's aux port to a modem?
224.0.0.5
Rollover
Per frame sequence counters and key mixing using temporal keys.
Split horizon and holddown timers

49. IPv6 unique local address
Global unicast range
Private address. Can be routed locally - but not on Internet
Encapsulation mismatch and clock rate issues.
100

50. What criteria does OSPF use to determine RID?
Ipv4 address in a mixed environment
69
Highest logical interface IP - then highest configured IP
Q933a - cisco and ansi