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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. IPv6 unique local address
10 seconds with every 6th message being a full status message
Private address. Can be routed locally - but not on Internet
Same as ::...same as 0.0.0.0
One

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

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3. What does ripv2 do to prevent routing loops?
Point to point
Sh vtp status
By default
Split horizon and holddown timers

4. What is the default AD for RIP
Ipv4 address in a mixed environment
No frame-relay inverse-arp
Sh vtp status
120

5. How does ripv2 respond to topology changes?
Triggered update - split horizon - route poisoning
Show frame-relay lmi
Yes
224.0.0.5

6. IPv6 0:0:0:0:0:0:0:1
53
Ripv2 is classless - multicasts - allows authentication
::1 same as 127.0.0.1
Sh frame-relay traffic

7. How long is an IPv4 address?
Point to point
Boots to rommon
32 bits
Encapsulation mismatch and clock rate issues.

8. Static secure mac addresses are stored...
Highest logical interface IP - then highest configured IP
10 seconds with every 6th message being a full status message
In the address table and added to the running config
Publicly routable addresses

9. class b private addresses
Triggered update - split horizon - route poisoning
23
172.16.0.0 to 172.31.255.255
TKIP and WEP

10. What type of frame subinterface do you use for hub and spoke?
Global unicast range
192.168.0.0 to 192.168.255.255
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Point to point

11. What are the steps in PPP authentication?
Ip ospf authentication - ip ospf authentication-key XXXXX
Link establishment - optional authentication - network layer protocol
Pap and chap
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

12. What commands create plain-text ospf authentication?
No frame-relay inverse-arp
Ip ospf authentication - ip ospf authentication-key XXXXX
Unique local unicast range
25

13. what 3 things can be deduced from the IOS image file name?
Link-local unicast range
Feature capabilities - hardware platform - run location and compression status
Sh frame-relay traffic
Root and designated

14. What is the frame relay inactive state?

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15. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
Examples and documentation
Split horizon and holddown timers
Global unicast range

16. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Local router - frame relay WAN
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Per frame sequence counters and key mixing using temporal keys.
Sh frame-relay map

17. What is the order of preference in a routing table?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
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
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

18. What are the three options for LMI in FR?
Q933a - cisco and ansi
Used with 6 to 4
Sh flash
Aes-ccmp

19. class a private addresses
Unique local unicast range
10.0.0.0 to 10.255.255.255
Sh flash
::1

20. Which command shows frame relay status and keep-alive information?
Sh ip ospf interface
32 bits
Examples and documentation
Show frame-relay lmi

21. tcp/udp port for SMTP
25
Link establishment - optional authentication - network layer protocol
Sh frame-relay traffic
Nonbroadcast multi-access

22. What is the ipv6 loopback address?
One to first of many addresses
::1
1 -2 - 5.5 - 11
Publicly routable addresses

23. Dynamic secure mac addresses are stored...
Ignore nvram (password recovery)
Global unicast range
0
Only in the address table

24. What command is used to debug the ping command?
Same as ::...same as 0.0.0.0
32 bits
Debug ip icmp
Access-class

25. What command shows the amount of memory being used and whether there is enough room to load a new image?
FECN - BECN - DE
Only in the address table
Sh flash
192.168.0.0 to 192.168.255.255

26. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
69
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Encapsulation mismatch and clock rate issues.
Sh ip eigrp neighbors

27. What criteria does OSPF use to determine RID?
Leased lines
Highest logical interface IP - then highest configured IP
Sh frame-relay pvc
53

28. What is wrong with this command 'ip default-route 10.1.1.1'?
It should be default-network
100
Sh frame-relay pvc
Compression - multilink support - authentication

29. IPv6 unicast address
Sh frame-relay pvc
Destined for a single interface
Sh frame-relay traffic
32768

30. name a situation where a static route would be appropriate...
Remote router's connection to the frame relay switch isn't working
Sh ip eigrp neighbors
To configure a route form an ISP router into a corporate network
1 -2 - 5.5 - 11

31. What 3 things are necessary for 2 routers to establish ospf neighborship?
Aes-ccmp
Triggered update - split horizon - route poisoning
DSSS
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

32. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Sh ip route eigrp
Ip addresses are conserved if vlsm is not used for subnetting
Debug ppp authentication
69

33. IPv6 FE80::/10
Debug ip icmp
Pap and chap
In the address table and added to the running config
Link-local unicast range

34. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
0
10 seconds with every 6th message being a full status message
Nonbroadcast multi-access
Sh ip ospf interface

35. 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
Split horizon and holddown timers
1023

36. tcp/udp port for TFTP
Private address. Can be routed locally - but not on Internet
Used with 6 to 4
69
Feature capabilities - hardware platform - run location and compression status

37. What does a frame relay pvc status of inactive indicate?
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
No frame-relay inverse-arp
::1
Sh ip ospf interface

38. tcp/udp port for POP3
It should be default-network
Only in the address table
Same subnet
100

39. What does config register 0x2142 do?
172.16.0.0 to 172.31.255.255
120
Bypass startup config - initial config mode - password recovery
161

40. Frame relay point to point interfaces emulate _______
1 - 2 - 5.5 - 11
1 -2 - 5.5 - 11
Leased lines
1544 kbps

41. What sequence of commands creates encrypted eigrp authentication
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
Debug ip icmp
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Bypass startup config - initial config mode - password recovery

42. tcp/udp port for DNS
53
Ripv2 is classless - multicasts - allows authentication
Sh frame-relay pvc
Local router - frame relay WAN

43. What is the command to use an ACL for VTY access
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Access-class
100
192.168.0.0 to 192.168.255.255

44. Which command shows global frame relay stats since the last router reload?
Sh frame-relay pvc
69
Ipv6 unicast-routing
Sh frame-relay traffic

45. Which features did wpav4 add to address the weaknesses of WEP?
Per frame sequence counters and key mixing using temporal keys.
No LMI is being received by the switch or there is no service between the CPE and frame switch
Sh frame-relay pvc
Ipv6 unicast-routing

46. How often do LMI messages flow?
No LMI is being received by the switch or there is no service between the CPE and frame switch
10 seconds with every 6th message being a full status message
32 bits
Link establishment - optional authentication - network layer protocol

47. OSPF hello packets are sent to which address?
224.0.0.5
Same as ::...same as 0.0.0.0
Sh ip ospf interface
Publicly routable addresses

48. Which 2 port roles forward traffic under 802.1w standard?
Root and designated
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
Publicly routable addresses
Sh arp and sh int

49. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Bypass startup config - initial config mode - password recovery
Ip ospf authentication - ip ospf authentication-key XXXXX
Split horizon and holddown timers
1544 kbps

50. IPv6 anycast address
2000::/3
1544 kbps
One to first of many addresses
Sh flash