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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. Name 2 reasons a serial connection can be in an up/down status?
25
Encapsulation mismatch and clock rate issues.
Ip addresses are conserved if vlsm is not used for subnetting
Sh frame-relay pvc

2. What does config register 0x2142 do?
Bypass startup config - initial config mode - password recovery
<ctrl><shift>6 then x
Compression - multilink support - authentication
Destined for a single interface

3. Which two wireless encryption methods are based on RC4?
Sh frame-relay traffic
Examples and documentation
TKIP and WEP
Operational pvc

4. What can you utilize by using PPP layer 2 encapsulation?
Same subnet
Private address. Can be routed locally - but not on Internet
Device identifier - address list - port identifier - capabilites list - platform
Compression - multilink support - authentication

5. What is the ipv6 loopback adddress?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
::1
1544 kbps
Unique local unicast range

6. tcp/udp port for FTP control
Ip addresses are conserved if vlsm is not used for subnetting
Per frame sequence counters and key mixing using temporal keys.
FECN - BECN - DE
21

7. Inverse ARP maps a ______ to a ________
DLCI to an IP address
Publicly routable addresses
<ctrl><shift>6 then x
Ripv2 is classless - multicasts - allows authentication

8. How long is an IPv4 address?
To provide routing to a destination not specified in the routing table and is outside the local network
Debug ip icmp
32 bits
69

9. IPv6 anycast address
One to first of many addresses
Sh ip int [interface]
Same as ::...same as 0.0.0.0
192.168.0.0 to 192.168.255.255

10. What is the frame relay deleted state?
53
Sh flash
Nonbroadcast multi-access
No LMI is being received by the switch or there is no service between the CPE and frame switch

11. Which command shows pvc mappings between the router and the frame switch?
Ipv6 rip <process-name> enable
Sh frame-relay pvc
Ipv6 address 2001:0:1:0::2/64 (example)
Ipv6 unicast-routing

12. What 3 things are necessary for 2 routers to establish ospf neighborship?
Disconnect 3
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
By default
In the address table and added to the running config

13. tcp/udp port for SMTP
Triggered update - split horizon - route poisoning
Same subnet
25
Examples and documentation

14. udp port for DNS
Feature capabilities - hardware platform - run location and compression status
53
23
Ipv6 address 2001:0:1:0::2/64 (example)

15. Which command shows global frame relay stats since the last router reload?
Ip ospf authentication - ip ospf authentication-key XXXXX
Pap and chap
Sh frame-relay traffic
10 seconds with every 6th message being a full status message

16. How often do LMI messages flow?
120
100
10 seconds with every 6th message being a full status message
Q933a - cisco and ansi

17. Which 2 commands show IP address associated with a MAC address
Debug ip icmp
Yes
Per frame sequence counters and key mixing using temporal keys.
Sh arp and sh int

18. What sequence of commands creates encrypted eigrp authentication
Highest logical interface IP - then highest configured IP
Per frame sequence counters and key mixing using temporal keys.
20
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

19. What commands create plain-text ospf authentication?
Link-local unicast range
161
0
Ip ospf authentication - ip ospf authentication-key XXXXX

20. Which command assigns an IPv6 address to an interface?
Access-class
Ipv6 address 2001:0:1:0::2/64 (example)
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Ip addresses are conserved if vlsm is not used for subnetting

21. What does ripv2 do to prevent routing loops?
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Sh ip eigrp neighbors
Split horizon and holddown timers
32768

22. Dynamic secure mac addresses are stored...
Only in the address table
25
Ipv6 rip <process-name> enable
DSSS

23. What command shows the amount of memory being used and whether there is enough room to load a new image?
Point to point
Publicly routable addresses
Sh flash
Debug ppp authentication

24. tcp/udp port for SNMP
Examples and documentation
2102
Like private ipv4 address - but can't be routed at all
161

25. IPv6 FE80::/10
Debug ip icmp
Link-local unicast range
Network
Root and designated

26. Sticky secure mac addresses are stored...
Point to point
In the address table and added to the running config
Private address. Can be routed locally - but not on Internet
2000::/3

27. What is the default AD for RIP
Compression - multilink support - authentication
Device identifier - address list - port identifier - capabilites list - platform
120
Q933a - cisco and ansi

28. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
Sh ip route eigrp
21
1 -2 - 5.5 - 11
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

29. IPv6 0:0:0:0:0:0:0:1
To configure a route form an ISP router into a corporate network
::1 same as 127.0.0.1
Remote router's connection to the frame relay switch isn't working
10 seconds with every 6th message being a full status message

30. IPv6 2000::/3
Global unicast range
No frame-relay inverse-arp
Sh ip ospf interface
32 bits

31. what command shows which vtp server updated the switch
192.168.0.0 to 192.168.255.255
One to first of many addresses
Sh vtp status
Triggered update - split horizon - route poisoning

32. What 4 things are necessary for 2 routers to form an eigrp relationship?
Sh ip route eigrp
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.
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

33. How does ripv2 respond to topology changes?
Triggered update - split horizon - route poisoning
128 bits
20
Pap and chap

34. What rule does dhcp use when an IP address conflict is detected?
No LMI is being received by the switch or there is no service between the CPE and frame switch
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.
No frame-relay inverse-arp

35. Which 2 port roles forward traffic under 802.1w standard?
DSSS
1544 kbps
Pap and chap
Root and designated

36. What command kills telnet session #3?
23
Sh frame-relay map
Device identifier - address list - port identifier - capabilites list - platform
Disconnect 3

37. What are the two ppp authentication methods?
2102
32768
Aes-ccmp
Pap and chap

38. name a situation where a static route would be appropriate...
To configure a route form an ISP router into a corporate network
100
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
To provide routing to a destination not specified in the routing table and is outside the local network

39. IPv6 global unicast addresses
10.0.0.0 to 10.255.255.255
Examples and documentation
Same subnet
Publicly routable addresses

40. What command displays the CHAP authentication process in real time?
Operational pvc
100
One
Debug ppp authentication

41. What commands create md5 encrypted ospf authentication?
Sh frame-relay pvc
Boots to rommon
Decimal - Hex
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

42. confreg 2120
Sh frame-relay map
No frame-relay inverse-arp
Rommon
Remote router's connection to the frame relay switch isn't working

43. IPv6 unique local address
Aes-ccmp
Private address. Can be routed locally - but not on Internet
25
One

44. IPv6 0:0:0:0:0:0:192.168.100.1
Access-class
Per frame sequence counters and key mixing using temporal keys.
Ipv4 address in a mixed environment
224.0.0.5

45. Which command shows pvc mappings between the router and the frame switch?
Local router - frame relay WAN
Sh frame-relay pvc
One to first of many addresses
1 -2 - 5.5 - 11

46. What is the default configuration register setting?
53
32 bits
Sh frame-relay pvc
2102

47. What encryption does WPA2 use
Disconnect 3
Ignore nvram (password recovery)
Aes-ccmp
Global unicast range

48. What information is supplied by CDP? (5)
Access-class
Decimal - Hex
Ipv4 address in a mixed environment
Device identifier - address list - port identifier - capabilites list - platform

49. Which command shows frame relay status and keep-alive information?
10.0.0.0 to 10.255.255.255
Show frame-relay lmi
No frame-relay inverse-arp
To provide routing to a destination not specified in the routing table and is outside the local network

50. 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
Sh frame-relay traffic
Boots to rommon
Split horizon and holddown timers