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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. What is the frame relay inactive state?

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2. Which 2 port roles forward traffic under 802.1w standard?
Sh ip int [interface]
Root and designated
Ip addresses are conserved if vlsm is not used for subnetting
::1 same as 127.0.0.1

3. By default - FR is classified as what type of physical network?
Nonbroadcast multi-access
Ip addresses are conserved if vlsm is not used for subnetting
Multicast range
Rommon

4. tcp/udp port for telnet
53
Ipv4 address in a mixed environment
23
Like private ipv4 address - but can't be routed at all

5. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Like private ipv4 address - but can't be routed at all
One to first of many addresses
Ip addresses are conserved if vlsm is not used for subnetting
In the address table and added to the running config

6. 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
No frame-relay inverse-arp
::1
1 -2 - 5.5 - 11

7. What command shows the amount of memory being used and whether there is enough room to load a new image?
Sh flash
Like private ipv4 address - but can't be routed at all
Split horizon and holddown timers
Examples and documentation

8. IPv6 FC00::/7
192.168.0.0 to 192.168.255.255
21
Unique local unicast range
Per frame sequence counters and key mixing using temporal keys.

9. class b private addresses
Feature capabilities - hardware platform - run location and compression status
Used with 6 to 4
172.16.0.0 to 172.31.255.255
No LMI is being received by the switch or there is no service between the CPE and frame switch

10. Differences between ripv1 and ripv2
Ripv2 is classless - multicasts - allows authentication
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Encapsulation mismatch and clock rate issues.
Local router - frame relay WAN

11. Which features did wpav4 add to address the weaknesses of WEP?
Same subnet
Per frame sequence counters and key mixing using temporal keys.
Leased lines
To configure a route form an ISP router into a corporate network

12. What are the three options for LMI in FR?
Q933a - cisco and ansi
192.168.0.0 to 192.168.255.255
DLCI to an IP address
Network

13. What 3 things are necessary for 2 routers to establish ospf neighborship?
Encapsulation mismatch and clock rate issues.
Disconnect 3
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

14. What spread spectrum technology does 802.11b use?
Split horizon and holddown timers
Sh arp and sh int
DSSS
Sh flash

15. Which 2 commands show IP address associated with a MAC address
One to many addresses...always start with ff
161
172.16.0.0 to 172.31.255.255
Sh arp and sh int

16. At which layer should you begin troubleshooting QOS issues?
Aes-ccmp
Show arp
Network
1 - 2 - 5.5 - 11

17. How long is an IPv4 address?
32 bits
Operational pvc
Feature capabilities - hardware platform - run location and compression status
Compression - multilink support - authentication

18. What is wrong with this command 'ip default-route 10.1.1.1'?
FECN - BECN - DE
Sh frame-relay pvc
It should be default-network
Global unicast range

19. what command shows which vtp server updated the switch
Same as ::...same as 0.0.0.0
69
Rollover
Sh vtp status

20. IPv6 FE80::/10
Compression - multilink support - authentication
Disconnect 3
Link-local unicast range
53

21. Which command shows if an acl is applied to an interface?
Sh ip int [interface]
Ip ospf authentication - ip ospf authentication-key XXXXX
Feature capabilities - hardware platform - run location and compression status
10.0.0.0 to 10.255.255.255

22. Which command assigns an IPv6 address to an interface?
25
Decimal - Hex
21
Ipv6 address 2001:0:1:0::2/64 (example)

23. How does ripv2 respond to topology changes?
Compression - multilink support - authentication
20
Triggered update - split horizon - route poisoning
Sh ip int [interface]

24. What sequence of commands creates encrypted eigrp authentication
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
::1 same as 127.0.0.1
Sh frame-relay pvc
Leased lines

25. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
Sh ip eigrp neighbors
Sh frame-relay traffic
Link establishment - optional authentication - network layer protocol
Leased lines

26. Static secure mac addresses are stored...
Bypass startup config - initial config mode - password recovery
Sh frame-relay pvc
In the address table and added to the running config
Leased lines

27. tcp/udp port for DNS
224.0.0.5
53
One
Examples and documentation

28. What are the steps in PPP authentication?
Access-class
Link establishment - optional authentication - network layer protocol
Ipv6 rip <process-name> enable
It should be default-network

29. What commands create md5 encrypted ospf authentication?
Leased lines
1544 kbps
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Ipv4 address in a mixed environment

30. OSPF hello packets are sent to which address?
224.0.0.5
To provide routing to a destination not specified in the routing table and is outside the local network
Global unicast range
Show frame-relay lmi

31. Does is-is support VLSM?
Compression - multilink support - authentication
The address is removed from the pool until the confilct is resolved.
1023
Yes

32. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
::1
Same as ::...same as 0.0.0.0
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Decimal - Hex

33. IPv6 anycast address
Debug ip icmp
One to first of many addresses
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
Ip addresses are conserved if vlsm is not used for subnetting

34. What are the three types of congestion notification used by frame relay?
Sh arp and sh int
Ip ospf authentication - ip ospf authentication-key XXXXX
53
FECN - BECN - DE

35. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Aes-ccmp
Publicly routable addresses
1 - 2 - 5.5 - 11

36. confreg 2120
128 bits
Rommon
Show frame-relay lmi
Ipv6 unicast-routing

37. What 2 features did WPAV1 add to address WEP's weaknesses?
Per frame sequence counters and key mixing using temporal keys.
1 -2 - 5.5 - 11
2102
Remote router's connection to the frame relay switch isn't working

38. IPv6 global unicast addresses
Publicly routable addresses
69
23
Ip addresses are conserved if vlsm is not used for subnetting

39. What type of cable connects the router's aux port to a modem?
Show frame-relay lmi
Used with 6 to 4
Rollover
FECN - BECN - DE

40. How long is an IPv6 address?
Publicly routable addresses
128 bits
Triggered update - split horizon - route poisoning
Rommon

41. What is the ipv6 loopback address?
DLCI to an IP address
Q933a - cisco and ansi
23
::1

42. confreg 2142
Debug ppp authentication
Ignore nvram (password recovery)
10.0.0.0 to 10.255.255.255
120

43. What command kills telnet session #3?
Disconnect 3
Multicast range
No frame-relay inverse-arp
FECN - BECN - DE

44. What is the default AD for RIP
10.0.0.0 to 10.255.255.255
1544 kbps
1 - 2 - 5.5 - 11
120

45. ipv6 global addresses start with ...
Ipv6 rip <process-name> enable
53
2000::/3
DLCI to an IP address

46. tcp/udp port for FTP data
Local router - frame relay WAN
Triggered update - split horizon - route poisoning
DLCI to an IP address
20

47. What are the two ppp authentication methods?
DLCI to an IP address
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
Sh arp and sh int

48. What is the first action that a host will take when sending data to a host on a different network?
Unique local unicast range
No frame-relay inverse-arp
Operational pvc
Arp for the host

49. What rule does dhcp use when an IP address conflict is detected?
Examples and documentation
It should be default-network
The address is removed from the pool until the confilct is resolved.
Point to point

50. What command is used to debug the ping command?
Debug ppp authentication
Debug ip icmp
2000::/3
Ipv6 unicast-routing