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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. 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
10 seconds with every 6th message being a full status message
::1 same as 127.0.0.1
Encapsulation mismatch and clock rate issues.

2. IPv6 unicast address
One to first of many addresses
Examples and documentation
Access-class
Destined for a single interface

3. tcp/udp port for DNS
100
53
Examples and documentation
Sh vtp status

4. Which command shows if an acl is applied to an interface?
Sh frame-relay traffic
Ipv6 unicast-routing
Sh ip int [interface]
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

5. Which command shows global frame relay stats since the last router reload?
Ipv6 unicast-routing
53
Sh frame-relay traffic
Sh ip eigrp neighbors

6. IPv6 link-local address

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7. What command kills telnet session #3?
Disconnect 3
Root and designated
32768
Sh arp and sh int

8. Which command shows mac addresses of stations connected to switch ports?
Boots to rommon
Ignore nvram (password recovery)
Show arp
23

9. IPv6 0:0:0:0:0:0:0:1
Rommon
::1 same as 127.0.0.1
One to many addresses...always start with ff
The address is removed from the pool until the confilct is resolved.

10. What type of cable connects the router's aux port to a modem?
Multicast range
Sh arp and sh int
Ignore nvram (password recovery)
Rollover

11. What is the ipv6 loopback address?
::1
The address is removed from the pool until the confilct is resolved.
No frame-relay inverse-arp
20

12. IPv6 2002::/16
Used with 6 to 4
<ctrl><shift>6 then x
Bypass startup config - initial config mode - password recovery
Split horizon and holddown timers

13. Which command shows pvc mappings between the router and the frame switch?
Split horizon and holddown timers
Sh frame-relay pvc
53
Sh ip route eigrp

14. Which command shows global frame relay stats since the last router reload?
Sh arp and sh int
Access-class
Sh frame-relay traffic
Link-local unicast range

15. What 3 things are necessary for 2 routers to establish ospf neighborship?
Disconnect 3
Multicast range
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Show arp

16. Sticky secure mac addresses are stored...
In the address table and added to the running config
Multicast range
1 -2 - 5.5 - 11
69

17. IPv6 FF00::/8
Rollover
2102
Multicast range
Rommon

18. confreg 2120
Ip ospf authentication - ip ospf authentication-key XXXXX
Rommon
23
0

19. class b private addresses
Debug ppp authentication
172.16.0.0 to 172.31.255.255
::1 same as 127.0.0.1
Same subnet

20. tcp/udp port for SNMP
2102
161
Rollover
Publicly routable addresses

21. What is the frame relay active state?
To provide routing to a destination not specified in the routing table and is outside the local network
Leased lines
Sh frame-relay pvc
Operational pvc

22. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Nonbroadcast multi-access
Remote router's connection to the frame relay switch isn't working
Ip addresses are conserved if vlsm is not used for subnetting

23. Static secure mac addresses are stored...
Triggered update - split horizon - route poisoning
In the address table and added to the running config
Operational pvc
128 bits

24. What command shows the amount of memory being used and whether there is enough room to load a new image?
FECN - BECN - DE
Sh flash
Ignore nvram (password recovery)
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

25. name a situation where a default route would be appropriate...
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
1544 kbps
To provide routing to a destination not specified in the routing table and is outside the local network
Link-local unicast range

26. By default - FR is classified as what type of physical network?
One
Root and designated
Nonbroadcast multi-access
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

27. what command shows which vtp server updated the switch
10.0.0.0 to 10.255.255.255
Arp for the host
Sh vtp status
Sh ip int [interface]

28. What is the first action that a host will take when sending data to a host on a different network?
FECN - BECN - DE
Highest logical interface IP - then highest configured IP
Same subnet
Arp for the host

29. What commands create md5 encrypted ospf authentication?
Publicly routable addresses
1 -2 - 5.5 - 11
Split horizon and holddown timers
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

30. Which command disables frame-relay inverse arp?
Sh ip ospf interface
Rommon
No frame-relay inverse-arp
Compression - multilink support - authentication

31. What type of frame subinterface do you use for hub and spoke?
Per frame sequence counters and key mixing using temporal keys.
Point to point
Sh ip route eigrp
53

32. Which 2 commands show IP address associated with a MAC address
1544 kbps
Unique local unicast range
Rommon
Sh arp and sh int

33. What spread spectrum technology does 802.11b use?
One to many addresses...always start with ff
Access-class
DSSS
<ctrl><shift>6 then x

34. What is the frame relay deleted state?
No LMI is being received by the switch or there is no service between the CPE and frame switch
2000::/3
DSSS
To provide routing to a destination not specified in the routing table and is outside the local network

35. What 2 features did WPAV1 add to address WEP's weaknesses?
Highest logical interface IP - then highest configured IP
Point to point
Bypass startup config - initial config mode - password recovery
Per frame sequence counters and key mixing using temporal keys.

36. 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.
The address is removed from the pool until the confilct is resolved.
One to many addresses...always start with ff
Sh ip route eigrp

37. What type of frame subinterface do you use for hub and spoke?
Root and designated
Destined for a single interface
Point to point
Examples and documentation

38. What commands create plain-text ospf authentication?
Ip ospf authentication - ip ospf authentication-key XXXXX
1023
23
Point to point

39. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
Unique local unicast range
DSSS
1 -2 - 5.5 - 11

40. How does ripv2 respond to topology changes?
Link establishment - optional authentication - network layer protocol
Ipv6 address 2001:0:1:0::2/64 (example)
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Triggered update - split horizon - route poisoning

41. Which features did wpav4 add to address the weaknesses of WEP?
In the address table and added to the running config
In the address table and added to the running config
Link-local unicast range
Per frame sequence counters and key mixing using temporal keys.

42. What encryption does WPA2 use
Aes-ccmp
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Root and designated
It should be default-network

43. Inverse ARP maps a ______ to a ________
Feature capabilities - hardware platform - run location and compression status
23
DLCI to an IP address
Point to point

44. OSPF hello packets are sent to which address?
Leased lines
224.0.0.5
0
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

45. What 4 things are necessary for 2 routers to form an eigrp relationship?
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
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 ip ospf interface
25

46. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
1023
1 - 2 - 5.5 - 11
Sh ip ospf interface
Sh ip route eigrp

47. Which command shows frame relay status and keep-alive information?
Network
Show frame-relay lmi
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
53

48. Which command disables frame-relay inverse arp?
Show frame-relay lmi
No frame-relay inverse-arp
120
Sh ip ospf interface

49. confreg 2142
FECN - BECN - DE
2102
Ipv6 rip <process-name> enable
Ignore nvram (password recovery)

50. name a situation where a static route would be appropriate...
1 -2 - 5.5 - 11
Disconnect 3
To configure a route form an ISP router into a corporate network
53