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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. tcp/udp port for TFTP
69
128 bits
Network
Debug ip icmp

2. By default - FR is classified as what type of physical network?
Nonbroadcast multi-access
20
DSSS
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

3. What commands create plain-text ospf authentication?
One to first of many addresses
Same as ::...same as 0.0.0.0
1 -2 - 5.5 - 11
Ip ospf authentication - ip ospf authentication-key XXXXX

4. What are the three types of congestion notification used by frame relay?
Show arp
128 bits
FECN - BECN - DE
Only in the address table

5. What is wrong with this command 'ip default-route 10.1.1.1'?
100
::1 same as 127.0.0.1
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
It should be default-network

6. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
Sh ip eigrp neighbors
Publicly routable addresses
Device identifier - address list - port identifier - capabilites list - platform
Ip ospf authentication - ip ospf authentication-key XXXXX

7. class a private addresses
Show frame-relay lmi
Destined for a single interface
10.0.0.0 to 10.255.255.255
Arp for the host

8. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Show frame-relay lmi
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Sh ip ospf interface
TKIP and WEP

9. Which command disables frame-relay inverse arp?
Used with 6 to 4
No frame-relay inverse-arp
Aes-ccmp
21

10. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
23
Sh frame-relay map
192.168.0.0 to 192.168.255.255
It should be default-network

11. name a situation where a static route would be appropriate...
No frame-relay inverse-arp
Debug ppp authentication
To configure a route form an ISP router into a corporate network
192.168.0.0 to 192.168.255.255

12. What does config register 0x2142 do?
10.0.0.0 to 10.255.255.255
Bypass startup config - initial config mode - password recovery
Highest logical interface IP - then highest configured IP
Show frame-relay lmi

13. class b private addresses
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
Point to point
172.16.0.0 to 172.31.255.255

14. What is the default bridge STP priority?
53
Sh frame-relay traffic
Used with 6 to 4
32768

15. Which features did wpav4 add to address the weaknesses of WEP?
Debug ip icmp
Per frame sequence counters and key mixing using temporal keys.
Ignore nvram (password recovery)
Decimal - Hex

16. What is the frame relay active state?
Operational pvc
Sh frame-relay pvc
1023
To configure a route form an ISP router into a corporate network

17. What command shows the status of PVC - FECN - BECN
Sh frame-relay pvc
Same as ::...same as 0.0.0.0
Ipv6 rip <process-name> enable
Sh frame-relay traffic

18. What is the default configuration register setting?
Ignore nvram (password recovery)
32768
224.0.0.5
2102

19. What command displays the CHAP authentication process in real time?
224.0.0.5
Like private ipv4 address - but can't be routed at all
Arp for the host
Debug ppp authentication

20. What type of frame subinterface do you use for hub and spoke?
Point to point
Sh arp and sh int
Split horizon and holddown timers
Sh frame-relay traffic

21. IPv6 multicast address
Sh vtp status
One to many addresses...always start with ff
Split horizon and holddown timers
Unique local unicast range

22. Inverse ARP maps a ______ to a ________
One
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Operational pvc
DLCI to an IP address

23. What are the steps in PPP authentication?
Operational pvc
128 bits
32 bits
Link establishment - optional authentication - network layer protocol

24. 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
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Multicast range
Ignore nvram (password recovery)

25. What command is used to debug the ping command?
<ctrl><shift>6 then x
Debug ip icmp
69
25

26. Which command shows global frame relay stats since the last router reload?
Rollover
0
Examples and documentation
Sh frame-relay traffic

27. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
Nonbroadcast multi-access
Pap and chap
To configure a route form an ISP router into a corporate network
1 - 2 - 5.5 - 11

28. Name 2 reasons a serial connection can be in an up/down status?
25
By default
Encapsulation mismatch and clock rate issues.
Triggered update - split horizon - route poisoning

29. IPv6 FC00::/7
Sh flash
::1 same as 127.0.0.1
Unique local unicast range
Debug ppp authentication

30. IPv6 unicast address
Ipv4 address in a mixed environment
Debug ip icmp
128 bits
Destined for a single interface

31. IPv6 anycast address
53
224.0.0.5
One to first of many addresses
Rollover

32. tcp/udp port for SNMP
Nonbroadcast multi-access
Sh frame-relay traffic
161
One

33. What encryption does WPA2 use
Aes-ccmp
20
<ctrl><shift>6 then x
Ripv2 is classless - multicasts - allows authentication

34. What is the command to use an ACL for VTY access
Access-class
In the address table and added to the running config
100
224.0.0.5

35. Which command shows if an acl is applied to an interface?
Like private ipv4 address - but can't be routed at all
Sh ip int [interface]
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Only in the address table

36. tcp/udp port for POP3
224.0.0.5
Compression - multilink support - authentication
100
Show frame-relay lmi

37. what command shows which vtp server updated the switch
Sh frame-relay pvc
Show frame-relay lmi
Ipv4 address in a mixed environment
Sh vtp status

38. IPv6 FE80::/10
Show arp
Show frame-relay lmi
Link-local unicast range
One

39. name a situation where a default route would be appropriate...
DLCI to an IP address
53
To provide routing to a destination not specified in the routing table and is outside the local network
One to many addresses...always start with ff

40. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
One
128 bits
It should be default-network
Only in the address table

41. IPv6 0:0:0:0:0:0:0:1
::1 same as 127.0.0.1
Ipv6 unicast-routing
Show arp
0

42. class c private addresses
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
Unique local unicast range
Sh flash
192.168.0.0 to 192.168.255.255

43. What is the first action that a host will take when sending data to a host on a different network?
One
Arp for the host
2000::/3
Sh frame-relay traffic

44. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Ip addresses are conserved if vlsm is not used for subnetting
53
2000::/3
By default

45. IPv6 2002::/16
Global unicast range
1 -2 - 5.5 - 11
Used with 6 to 4
Encapsulation mismatch and clock rate issues.

46. ipv6 global addresses start with ...
Same subnet
2000::/3
In the address table and added to the running config
By default

47. Which command turns on IPv6 routing?
<ctrl><shift>6 then x
Ipv6 unicast-routing
Sh ip route eigrp
Show frame-relay lmi

48. Sticky secure mac addresses are stored...
Ignore nvram (password recovery)
Per frame sequence counters and key mixing using temporal keys.
In the address table and added to the running config
Nonbroadcast multi-access

49. How long is an IPv4 address?
161
172.16.0.0 to 172.31.255.255
32 bits
10 seconds with every 6th message being a full status message

50. What is the default AD for RIP
DLCI to an IP address
120
21
::1 same as 127.0.0.1