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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 can you utilize by using PPP layer 2 encapsulation?
Ipv6 rip <process-name> enable
25
Only in the address table
Compression - multilink support - authentication

2. What encryption does WPA2 use
32768
Triggered update - split horizon - route poisoning
1544 kbps
Aes-ccmp

3. confreg 2120
Same subnet
Rommon
Show frame-relay lmi
Point to point

4. Which command shows if an acl is applied to an interface?
Nonbroadcast multi-access
Sh ip int [interface]
32768
Unique local unicast range

5. Which features did wpav4 add to address the weaknesses of WEP?
<ctrl><shift>6 then x
53
2000::/3
Per frame sequence counters and key mixing using temporal keys.

6. What does ripv2 do to prevent routing loops?
Ipv6 unicast-routing
Unique local unicast range
Split horizon and holddown timers
Operational pvc

7. Which two wireless encryption methods are based on RC4?
DLCI to an IP address
TKIP and WEP
192.168.0.0 to 192.168.255.255
No LMI is being received by the switch or there is no service between the CPE and frame switch

8. What is the first action that a host will take when sending data to a host on a different network?
Arp for the host
Network
Sh arp and sh int
Rollover

9. tcp/udp port for SNMP
224.0.0.5
Point to point
Only in the address table
161

10. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Per frame sequence counters and key mixing using temporal keys.
Feature capabilities - hardware platform - run location and compression status
Sh ip ospf interface
Decimal - Hex

11. IPv6 link-local address

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12. What type of frame subinterface do you use for hub and spoke?
Point to point
Debug ip icmp
1544 kbps
Yes

13. What is the ipv6 loopback address?
Sh flash
::1
Per frame sequence counters and key mixing using temporal keys.
Examples and documentation

14. What commands create plain-text ospf authentication?
No frame-relay inverse-arp
Ip ospf authentication - ip ospf authentication-key XXXXX
Disconnect 3
Link establishment - optional authentication - network layer protocol

15. what 3 things can be deduced from the IOS image file name?
Feature capabilities - hardware platform - run location and compression status
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
::1 same as 127.0.0.1
Sh ip int [interface]

16. tcp/udp port for FTP control
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
1 -2 - 5.5 - 11
21
Sh frame-relay traffic

17. How often do LMI messages flow?
10 seconds with every 6th message being a full status message
DSSS
Global unicast range
Examples and documentation

18. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
In the address table and added to the running config
In the address table and added to the running config
1 -2 - 5.5 - 11

19. What is the frame relay active state?
Operational pvc
Sh vtp status
Aes-ccmp
53

20. Which command assigns an IPv6 address to an interface?
Ipv6 address 2001:0:1:0::2/64 (example)
224.0.0.5
1544 kbps
Encapsulation mismatch and clock rate issues.

21. By default - FR is classified as what type of physical network?
Link-local unicast range
Nonbroadcast multi-access
192.168.0.0 to 192.168.255.255
Sh frame-relay map

22. IPv6 2001:0DB8::/32
::1
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Examples and documentation
Leased lines

23. What are the two ppp authentication methods?
Triggered update - split horizon - route poisoning
Ip ospf authentication - ip ospf authentication-key XXXXX
Pap and chap
32 bits

24. udp port for DNS
Ipv6 rip <process-name> enable
53
Sh frame-relay traffic
Show frame-relay lmi

25. What does config register 0x2142 do?
Destined for a single interface
Debug ppp authentication
Operational pvc
Bypass startup config - initial config mode - password recovery

26. Which command shows frame relay status and keep-alive information?
In the address table and added to the running config
Like private ipv4 address - but can't be routed at all
In the address table and added to the running config
Show frame-relay lmi

27. OSPF hello packets are sent to which address?
Multicast range
224.0.0.5
<ctrl><shift>6 then x
Point to point

28. confreg 2142
Ignore nvram (password recovery)
Ip addresses are conserved if vlsm is not used for subnetting
Yes
100

29. 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.
2000::/3
To configure a route form an ISP router into a corporate network
1 -2 - 5.5 - 11

30. What command shows the status of PVC - FECN - BECN
Point to point
Highest logical interface IP - then highest configured IP
Sh frame-relay pvc
Sh frame-relay map

31. What is the default configuration register setting?
120
Show frame-relay lmi
Operational pvc
2102

32. What information is supplied by CDP? (5)
Highest logical interface IP - then highest configured IP
Device identifier - address list - port identifier - capabilites list - platform
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
100

33. IPv6 0:0:0:0:0:0:0:1
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
1023
32768
::1 same as 127.0.0.1

34. tcp/udp port for FTP data
Sh arp and sh int
Ipv4 address in a mixed environment
20
Access-class

35. IPv6 unicast address
69
Sh ip route eigrp
Ripv2 is classless - multicasts - allows authentication
Destined for a single interface

36. What rule does dhcp use when an IP address conflict is detected?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
The address is removed from the pool until the confilct is resolved.
In the address table and added to the running config
Like private ipv4 address - but can't be routed at all

37. What spread spectrum technology does 802.11b use?
Sh ip int [interface]
<ctrl><shift>6 then x
0
DSSS

38. What 2 features did WPAV1 add to address WEP's weaknesses?
Per frame sequence counters and key mixing using temporal keys.
25
Ipv4 address in a mixed environment
Feature capabilities - hardware platform - run location and compression status

39. What type of cable connects the router's aux port to a modem?
To configure a route form an ISP router into a corporate network
Rollover
In the address table and added to the running config
Private address. Can be routed locally - but not on Internet

40. IPv6 FC00::/7
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Unique local unicast range
Sh ip ospf interface
<ctrl><shift>6 then x

41. IPv6 2000::/3
Global unicast range
No LMI is being received by the switch or there is no service between the CPE and frame switch
No frame-relay inverse-arp
32 bits

42. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
Same subnet
Split horizon and holddown timers
Used with 6 to 4
Sh frame-relay pvc

43. tcp/udp port for POP3
100
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Publicly routable addresses
Sh arp and sh int

44. IPv6 2002::/16
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
Like private ipv4 address - but can't be routed at all
Used with 6 to 4
Sh ip eigrp neighbors

45. How long is an IPv6 address?
128 bits
Sh ip ospf interface
69
Network

46. What command shows the amount of memory being used and whether there is enough room to load a new image?
::1 same as 127.0.0.1
DSSS
Like private ipv4 address - but can't be routed at all
Sh flash

47. Static secure mac addresses are stored...
Examples and documentation
32768
Same subnet
In the address table and added to the running config

48. Inverse ARP maps a ______ to a ________
Private address. Can be routed locally - but not on Internet
Ignore nvram (password recovery)
DLCI to an IP address
Q933a - cisco and ansi

49. What is the default AD for RIP
120
Root and designated
Debug ip icmp
Bypass startup config - initial config mode - password recovery

50. class b private addresses
1023
Rollover
172.16.0.0 to 172.31.255.255
224.0.0.5