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CCNA Updated

Instructions:

Answer 50 questions in 15 minutes.
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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. Dynamic secure mac addresses are stored...
It should be default-network
Only in the address table
Device identifier - address list - port identifier - capabilites list - platform
Show arp

2. Which command shows global frame relay stats since the last router reload?
Decimal - Hex
Sh frame-relay traffic
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Sh ip eigrp neighbors

3. What does a frame relay pvc status of inactive indicate?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Ipv6 address 2001:0:1:0::2/64 (example)
2000::/3
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

4. EIGRP summarizes at class boundaries...
Destined for a single interface
By default
Same as ::...same as 0.0.0.0
Like private ipv4 address - but can't be routed at all

5. Which 2 commands show IP address associated with a MAC address
Sh arp and sh int
Used with 6 to 4
Ipv6 rip <process-name> enable
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

6. IPv6 0:0:0:0:0:0:192.168.100.1
Ipv4 address in a mixed environment
192.168.0.0 to 192.168.255.255
Feature capabilities - hardware platform - run location and compression status
32 bits

7. What sequence of commands creates encrypted eigrp authentication
Show frame-relay lmi
No frame-relay inverse-arp
::1
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

8. OSPF hello packets are sent to which address?
In the address table and added to the running config
224.0.0.5
2102
Same subnet

9. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Highest logical interface IP - then highest configured IP
Root and designated
Ip addresses are conserved if vlsm is not used for subnetting
192.168.0.0 to 192.168.255.255

10. Which command shows frame relay status and keep-alive information?
Highest logical interface IP - then highest configured IP
To configure a route form an ISP router into a corporate network
Show frame-relay lmi
Multicast range

11. What does config register 0x2142 do?
Disconnect 3
Remote router's connection to the frame relay switch isn't working
One
Bypass startup config - initial config mode - password recovery

12. What are the steps in PPP authentication?
Like private ipv4 address - but can't be routed at all
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
Debug ppp authentication
Link establishment - optional authentication - network layer protocol

13. Which two wireless encryption methods are based on RC4?
10.0.0.0 to 10.255.255.255
Debug ppp authentication
Sh ip ospf interface
TKIP and WEP

14. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
Device identifier - address list - port identifier - capabilites list - platform
32 bits
10.0.0.0 to 10.255.255.255

15. How often do LMI messages flow?
128 bits
Show frame-relay lmi
Like private ipv4 address - but can't be routed at all
10 seconds with every 6th message being a full status message

16. Which features did wpav4 add to address the weaknesses of WEP?
10.0.0.0 to 10.255.255.255
No frame-relay inverse-arp
Per frame sequence counters and key mixing using temporal keys.
It should be default-network

17. tcp/udp port for SNMP
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
161
The address is removed from the pool until the confilct is resolved.

18. IPv6 anycast address
Rollover
One to first of many addresses
Like private ipv4 address - but can't be routed at all
Sh arp and sh int

19. IPv6 0:0:0:0:0:0:0:0
Same as ::...same as 0.0.0.0
Ipv6 address 2001:0:1:0::2/64 (example)
224.0.0.5
No LMI is being received by the switch or there is no service between the CPE and frame switch

20. How long is an IPv4 address?
32 bits
DSSS
To configure a route form an ISP router into a corporate network
By default

21. tcp/udp port for SMTP
25
Arp for the host
No LMI is being received by the switch or there is no service between the CPE and frame switch
Local router - frame relay WAN

22. What is the frame relay active state?
Operational pvc
Private address. Can be routed locally - but not on Internet
Sh frame-relay pvc
53

23. What rule does dhcp use when an IP address conflict is detected?
Network
The address is removed from the pool until the confilct is resolved.
120
Ignore nvram (password recovery)

24. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
Sh frame-relay map
Split horizon and holddown timers
Sh ip eigrp neighbors
Same as ::...same as 0.0.0.0

25. Inverse ARP maps a ______ to a ________
DLCI to an IP address
Global unicast range
Sh vtp status
161

26. name a situation where a static route would be appropriate...
To configure a route form an ISP router into a corporate network
Only in the address table
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
224.0.0.5

27. udp port for DNS
Global unicast range
53
0
Ipv6 unicast-routing

28. What are the three types of congestion notification used by frame relay?
1023
Show frame-relay lmi
23
FECN - BECN - DE

29. Static secure mac addresses are stored...
In the address table and added to the running config
Feature capabilities - hardware platform - run location and compression status
Sh frame-relay pvc
Local router - frame relay WAN

30. What are the two ppp authentication methods?
Q933a - cisco and ansi
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
Pap and chap
One

31. class c private addresses
192.168.0.0 to 192.168.255.255
Decimal - Hex
Remote router's connection to the frame relay switch isn't working
Multicast range

32. Which command shows if an acl is applied to an interface?
Ipv6 unicast-routing
No LMI is being received by the switch or there is no service between the CPE and frame switch
Debug ppp authentication
Sh ip int [interface]

33. What is the frame relay inactive state?

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34. Which command disables frame-relay inverse arp?
Examples and documentation
Split horizon and holddown timers
No frame-relay inverse-arp
1023

35. Sticky secure mac addresses are stored...
In the address table and added to the running config
Unique local unicast range
To configure a route form an ISP router into a corporate network
DLCI to an IP address

36. IPv6 0:0:0:0:0:0:0:1
::1 same as 127.0.0.1
100
DSSS
Sh ip route eigrp

37. what 3 things can be deduced from the IOS image file name?
Sh ip int [interface]
Same subnet
Ipv6 unicast-routing
Feature capabilities - hardware platform - run location and compression status

38. confreg 2120
Per frame sequence counters and key mixing using temporal keys.
Rommon
1 - 2 - 5.5 - 11
20

39. What encryption does WPA2 use
DSSS
Aes-ccmp
Arp for the host
Triggered update - split horizon - route poisoning

40. class b private addresses
172.16.0.0 to 172.31.255.255
Sh arp and sh int
1023
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

41. IPv6 2000::/3
Per frame sequence counters and key mixing using temporal keys.
Access-class
No frame-relay inverse-arp
Global unicast range

42. The frame relay dlci identifies the logical circuit between the ______ and the ______
Device identifier - address list - port identifier - capabilites list - platform
Local router - frame relay WAN
Sh flash
10.0.0.0 to 10.255.255.255

43. tcp/udp port for telnet
23
Show frame-relay lmi
Compression - multilink support - authentication
Pap and chap

44. ipv6 global addresses start with ...
2000::/3
10 seconds with every 6th message being a full status message
161
In the address table and added to the running config

45. What spread spectrum technology does 802.11b use?
1023
DSSS
1 -2 - 5.5 - 11
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

46. IPv6 2002::/16
Used with 6 to 4
Sh ip route eigrp
0
Ipv6 rip <process-name> enable

47. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
Sh vtp status
128 bits
Remote router's connection to the frame relay switch isn't working
1 -2 - 5.5 - 11

48. IPv6 unique local address
Private address. Can be routed locally - but not on Internet
Highest logical interface IP - then highest configured IP
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Like private ipv4 address - but can't be routed at all

49. Which command turns on IPv6 routing?
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
Triggered update - split horizon - route poisoning
Ipv6 unicast-routing
It should be default-network

50. What command shows the amount of memory being used and whether there is enough room to load a new image?
Ipv6 unicast-routing
Sh flash
Per frame sequence counters and key mixing using temporal keys.
Ip addresses are conserved if vlsm is not used for subnetting