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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 POP3
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
1544 kbps
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
100

2. What commands create md5 encrypted ospf authentication?
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Used with 6 to 4
Arp for the host
Yes

3. IPv6 unicast address
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
32 bits
Destined for a single interface
Local router - frame relay WAN

4. What information is supplied by CDP? (5)
1544 kbps
Device identifier - address list - port identifier - capabilites list - platform
Access-class
Like private ipv4 address - but can't be routed at all

5. tcp/udp port for DNS
53
::1 same as 127.0.0.1
10.0.0.0 to 10.255.255.255
Pap and chap

6. Which command suspends a telnet session?
Sh flash
Global unicast range
<ctrl><shift>6 then x
Encapsulation mismatch and clock rate issues.

7. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
1 -2 - 5.5 - 11
Sh ip ospf interface
To provide routing to a destination not specified in the routing table and is outside the local network
Highest logical interface IP - then highest configured IP

8. tcp/udp port for FTP data
1544 kbps
One to many addresses...always start with ff
20
2000::/3

9. tcp/udp port for FTP control
To provide routing to a destination not specified in the routing table and is outside the local network
21
161
In the address table and added to the running config

10. 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
25
20
The address is removed from the pool until the confilct is resolved.

11. IPv6 3FFF:FFFF::/32
120
Examples and documentation
Same as ::...same as 0.0.0.0
::1

12. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Ignore nvram (password recovery)
Root and designated
25
Sh frame-relay map

13. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Aes-ccmp
Unique local unicast range
1544 kbps
Q933a - cisco and ansi

14. What can you utilize by using PPP layer 2 encapsulation?
Compression - multilink support - authentication
One to first of many addresses
Show arp
Sh flash

15. Inverse ARP maps a ______ to a ________
Destined for a single interface
DLCI to an IP address
Show frame-relay lmi
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

16. What are the steps in PPP authentication?
::1
Link establishment - optional authentication - network layer protocol
No LMI is being received by the switch or there is no service between the CPE and frame switch
Sh frame-relay traffic

17. What 4 things are necessary for 2 routers to form an eigrp relationship?
Like private ipv4 address - but can't be routed at all
DSSS
Link-local unicast range
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 is the default bridge STP priority?
32768
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Encapsulation mismatch and clock rate issues.
53

19. Which two wireless encryption methods are based on RC4?
By default
161
TKIP and WEP
Triggered update - split horizon - route poisoning

20. Differences between ripv1 and ripv2
Global unicast range
Ip addresses are conserved if vlsm is not used for subnetting
53
Ripv2 is classless - multicasts - allows authentication

21. What are the three types of congestion notification used by frame relay?
Highest logical interface IP - then highest configured IP
FECN - BECN - DE
Yes
It should be default-network

22. What does ripv2 do to prevent routing loops?
Split horizon and holddown timers
Show frame-relay lmi
Sh ip int [interface]
It should be default-network

23. tcp/udp port for telnet
::1
Feature capabilities - hardware platform - run location and compression status
In the address table and added to the running config
23

24. tcp/udp port for SNMP
Debug ppp authentication
20
161
Per frame sequence counters and key mixing using temporal keys.

25. What are the two ppp authentication methods?
Pap and chap
By default
Same as ::...same as 0.0.0.0
Highest logical interface IP - then highest configured IP

26. Which command shows frame relay status and keep-alive information?
69
Operational pvc
Show frame-relay lmi
Ipv6 address 2001:0:1:0::2/64 (example)

27. Frame relay point to point interfaces emulate _______
Leased lines
Rommon
Unique local unicast range
Per frame sequence counters and key mixing using temporal keys.

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

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29. IPv6 FE80::/10
One to many addresses...always start with ff
Unique local unicast range
Link-local unicast range
Sh flash

30. IPv6 multicast address
One to many addresses...always start with ff
2000::/3
161
Ripv2 is classless - multicasts - allows authentication

31. What does config register 0x2142 do?
Sh ip int [interface]
Sh vtp status
Bypass startup config - initial config mode - password recovery
One

32. IPv6 global unicast addresses
Publicly routable addresses
Access-class
23
To provide routing to a destination not specified in the routing table and is outside the local network

33. What is the ipv6 loopback address?
::1
Operational pvc
Feature capabilities - hardware platform - run location and compression status
Compression - multilink support - authentication

34. ipv6 global addresses start with ...
Access-class
2000::/3
Network
25

35. IPv6 link-local address

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36. Dynamic secure mac addresses are stored...
1 -2 - 5.5 - 11
::1
To configure a route form an ISP router into a corporate network
Only in the address table

37. What 3 things are necessary for 2 routers to establish ospf neighborship?
Publicly routable addresses
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Feature capabilities - hardware platform - run location and compression status
Ipv6 rip <process-name> enable

38. What is the order of preference in a routing table?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Decimal - Hex
Point to point
Compression - multilink support - authentication

39. What is the command to use an ACL for VTY access
192.168.0.0 to 192.168.255.255
Access-class
Ignore nvram (password recovery)
Sh ip ospf interface

40. What command kills telnet session #3?
::1
Triggered update - split horizon - route poisoning
20
Disconnect 3

41. class b private addresses
Sh ip int [interface]
172.16.0.0 to 172.31.255.255
Disconnect 3
<ctrl><shift>6 then x

42. Which features did wpav4 add to address the weaknesses of WEP?
Sh frame-relay map
DLCI to an IP address
1544 kbps
Per frame sequence counters and key mixing using temporal keys.

43. What is the default AD for RIP
120
Disconnect 3
Bypass startup config - initial config mode - password recovery
Only in the address table

44. Which command turns on RIPng for ipv6?
Ip addresses are conserved if vlsm is not used for subnetting
Show frame-relay lmi
Ipv6 rip <process-name> enable
DLCI to an IP address

45. What encryption does WPA2 use
Encapsulation mismatch and clock rate issues.
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Aes-ccmp
Sh ip route eigrp

46. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
DLCI to an IP address
Disconnect 3
Q933a - cisco and ansi

47. What is wrong with this command 'ip default-route 10.1.1.1'?
No LMI is being received by the switch or there is no service between the CPE and frame switch
Same as ::...same as 0.0.0.0
It should be default-network
53

48. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
Device identifier - address list - port identifier - capabilites list - platform
FECN - BECN - DE
Sh vtp status
1 -2 - 5.5 - 11

49. what 3 things can be deduced from the IOS image file name?
Examples and documentation
The address is removed from the pool until the confilct is resolved.
Disconnect 3
Feature capabilities - hardware platform - run location and compression status

50. Which command shows global frame relay stats since the last router reload?
Sh frame-relay traffic
DSSS
10 seconds with every 6th message being a full status message
Bypass startup config - initial config mode - password recovery