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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. At which layer should you begin troubleshooting QOS issues?
128 bits
Network
Ipv6 rip <process-name> enable
Examples and documentation

2. Which command shows if an acl is applied to an interface?
25
Sh ip int [interface]
10.0.0.0 to 10.255.255.255
Destined for a single interface

3. tcp/udp port for FTP control
Yes
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
120
21

4. Sticky secure mac addresses are stored...
Ip addresses are conserved if vlsm is not used for subnetting
Sh frame-relay pvc
Same subnet
In the address table and added to the running config

5. tcp/udp port for POP3
2102
128 bits
Debug ppp authentication
100

6. How does ripv2 respond to topology changes?
128 bits
Unique local unicast range
Pap and chap
Triggered update - split horizon - route poisoning

7. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Sh frame-relay map
2000::/3
224.0.0.5
10 seconds with every 6th message being a full status message

8. tcp/udp port for TFTP
192.168.0.0 to 192.168.255.255
20
69
Show arp

9. 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
Only in the address table
FECN - BECN - DE
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

10. IPv6 multicast address
Sh ip ospf interface
Sh flash
One to many addresses...always start with ff
Same subnet

11. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
Bypass startup config - initial config mode - password recovery
Decimal - Hex
Split horizon and holddown timers
Encapsulation mismatch and clock rate issues.

12. Which command shows frame relay status and keep-alive information?
Per frame sequence counters and key mixing using temporal keys.
Q933a - cisco and ansi
Point to point
Show frame-relay lmi

13. What 3 things are necessary for 2 routers to establish ospf neighborship?
128 bits
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Disconnect 3
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

14. Dynamic secure mac addresses are stored...
32768
Pap and chap
Bypass startup config - initial config mode - password recovery
Only in the address table

15. tcp/udp port for SMTP
Ipv4 address in a mixed environment
Show frame-relay lmi
By default
25

16. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
Sh ip eigrp neighbors
No frame-relay inverse-arp
One
Unique local unicast range

17. Static secure mac addresses are stored...
In the address table and added to the running config
Pap and chap
Split horizon and holddown timers
Sh frame-relay traffic

18. What are the three options for LMI in FR?
53
Sh ip ospf interface
Q933a - cisco and ansi
Leased lines

19. What command shows the status of PVC - FECN - BECN
Remote router's connection to the frame relay switch isn't working
Compression - multilink support - authentication
Sh frame-relay pvc
The address is removed from the pool until the confilct is resolved.

20. What commands create plain-text ospf authentication?
Root and designated
Debug ip icmp
Compression - multilink support - authentication
Ip ospf authentication - ip ospf authentication-key XXXXX

21. What 4 things are necessary for 2 routers to form an eigrp relationship?
20
Unique local unicast range
::1 same as 127.0.0.1
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

22. What sequence of commands creates encrypted eigrp authentication
Feature capabilities - hardware platform - run location and compression status
Sh frame-relay pvc
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
Sh ip ospf interface

23. What criteria does OSPF use to determine RID?
Highest logical interface IP - then highest configured IP
Rollover
53
25

24. IPv6 global unicast addresses
In the address table and added to the running config
Publicly routable addresses
Split horizon and holddown timers
Point to point

25. Which command shows frame relay status and keep-alive information?
To configure a route form an ISP router into a corporate network
Show frame-relay lmi
Sh arp and sh int
Yes

26. What does a frame relay pvc status of inactive indicate?
1544 kbps
Point to point
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

27. What is the ipv6 loopback adddress?
Disconnect 3
Per frame sequence counters and key mixing using temporal keys.
By default
::1

28. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
Sh ip int [interface]
Local router - frame relay WAN
120
Same subnet

29. What are the three types of congestion notification used by frame relay?
Access-class
Rommon
FECN - BECN - DE
Like private ipv4 address - but can't be routed at all

30. What command displays the CHAP authentication process in real time?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Debug ppp authentication
No frame-relay inverse-arp
To provide routing to a destination not specified in the routing table and is outside the local network

31. IPv6 0:0:0:0:0:0:0:1
Arp for the host
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Sh ip eigrp neighbors
::1 same as 127.0.0.1

32. What is the frame relay inactive state?

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33. How long is an IPv4 address?
Rommon
32 bits
In the address table and added to the running config
Sh frame-relay pvc

34. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Examples and documentation
Sh ip ospf interface
Disconnect 3
Ipv6 rip <process-name> enable

35. what command shows which vtp server updated the switch
Sh flash
Sh vtp status
Ipv6 rip <process-name> enable
Split horizon and holddown timers

36. IPv6 2002::/16
Compression - multilink support - authentication
Used with 6 to 4
Multicast range
1544 kbps

37. What type of frame subinterface do you use for hub and spoke?
Root and designated
Sh frame-relay pvc
2000::/3
Point to point

38. What command is used to debug the ping command?
Remote router's connection to the frame relay switch isn't working
To configure a route form an ISP router into a corporate network
Only in the address table
Debug ip icmp

39. What command kills telnet session #3?
32 bits
Device identifier - address list - port identifier - capabilites list - platform
Ripv2 is classless - multicasts - allows authentication
Disconnect 3

40. What is the LMI DLCI used in ANSI?
::1 same as 127.0.0.1
0
Encapsulation mismatch and clock rate issues.
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

41. What are the two ppp authentication methods?
Bypass startup config - initial config mode - password recovery
Used with 6 to 4
Pap and chap
Ipv6 address 2001:0:1:0::2/64 (example)

42. How long is an IPv6 address?
Q933a - cisco and ansi
128 bits
Sh frame-relay traffic
No LMI is being received by the switch or there is no service between the CPE and frame switch

43. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
Link-local unicast range
Sh ip ospf interface
Debug ppp authentication

44. What is the frame relay active state?
Publicly routable addresses
Operational pvc
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
2000::/3

45. confreg 2142
Ignore nvram (password recovery)
53
Sh frame-relay pvc
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

46. what 3 things can be deduced from the IOS image file name?
Split horizon and holddown timers
Used with 6 to 4
Feature capabilities - hardware platform - run location and compression status
Access-class

47. Which command disables frame-relay inverse arp?
32768
0
No frame-relay inverse-arp
Private address. Can be routed locally - but not on Internet

48. What is the default configuration register setting?
23
2102
2000::/3
Point to point

49. What does ripv2 do to prevent routing loops?
Rommon
Split horizon and holddown timers
No frame-relay inverse-arp
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

50. IPv6 anycast address
Ipv6 address 2001:0:1:0::2/64 (example)
One to first of many addresses
Encapsulation mismatch and clock rate issues.
120