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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. Which two wireless encryption methods are based on RC4?
Per frame sequence counters and key mixing using temporal keys.
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
23
TKIP and WEP

2. tcp/udp port for TFTP
69
25
Compression - multilink support - authentication
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

3. what 3 things can be deduced from the IOS image file name?
No LMI is being received by the switch or there is no service between the CPE and frame switch
In the address table and added to the running config
Feature capabilities - hardware platform - run location and compression status
Boots to rommon

4. name a situation where a default route would be appropriate...
1023
32 bits
::1
To provide routing to a destination not specified in the routing table and is outside the local network

5. IPv6 0:0:0:0:0:0:0:1
Global unicast range
23
::1 same as 127.0.0.1
Sh frame-relay pvc

6. udp port for DNS
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
Debug ppp authentication
53
TKIP and WEP

7. tcp/udp port for FTP data
20
One to first of many addresses
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
One

8. At which layer should you begin troubleshooting QOS issues?
Network
Split horizon and holddown timers
32768
Ipv6 unicast-routing

9. What commands create plain-text ospf authentication?
0
Sh frame-relay pvc
Sh frame-relay traffic
Ip ospf authentication - ip ospf authentication-key XXXXX

10. Which 2 port roles forward traffic under 802.1w standard?
Root and designated
192.168.0.0 to 192.168.255.255
Ipv6 unicast-routing
Encapsulation mismatch and clock rate issues.

11. Name 2 reasons a serial connection can be in an up/down status?
Encapsulation mismatch and clock rate issues.
<ctrl><shift>6 then x
It should be default-network
128 bits

12. tcp/udp port for telnet
128 bits
23
Sh arp and sh int
No LMI is being received by the switch or there is no service between the CPE and frame switch

13. What spread spectrum technology does 802.11b use?
TKIP and WEP
Link establishment - optional authentication - network layer protocol
21
DSSS

14. IPv6 FF00::/8
1 -2 - 5.5 - 11
Decimal - Hex
One to many addresses...always start with ff
Multicast range

15. IPv6 link-local address

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16. IPv6 global unicast addresses
Publicly routable addresses
10.0.0.0 to 10.255.255.255
100
Same as ::...same as 0.0.0.0

17. What are the two ppp authentication methods?
172.16.0.0 to 172.31.255.255
Pap and chap
1023
Debug ppp authentication

18. What is the frame relay inactive state?

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19. How often do LMI messages flow?
100
53
The address is removed from the pool until the confilct is resolved.
10 seconds with every 6th message being a full status message

20. What are the three types of congestion notification used by frame relay?
Link establishment - optional authentication - network layer protocol
To provide routing to a destination not specified in the routing table and is outside the local network
FECN - BECN - DE
DSSS

21. IPv6 unicast address
Boots to rommon
Destined for a single interface
Per frame sequence counters and key mixing using temporal keys.
Per frame sequence counters and key mixing using temporal keys.

22. Which command disables frame-relay inverse arp?
Split horizon and holddown timers
No frame-relay inverse-arp
10.0.0.0 to 10.255.255.255
Bypass startup config - initial config mode - password recovery

23. What is the default bridge STP priority?
32768
In the address table and added to the running config
Split horizon and holddown timers
Compression - multilink support - authentication

24. class b private addresses
172.16.0.0 to 172.31.255.255
Ipv6 rip <process-name> enable
::1 same as 127.0.0.1
Show frame-relay lmi

25. What type of cable connects the router's aux port to a modem?
Encapsulation mismatch and clock rate issues.
Rollover
Multicast range
Debug ip icmp

26. What command displays the CHAP authentication process in real time?
161
Triggered update - split horizon - route poisoning
Disconnect 3
Debug ppp authentication

27. Which command shows if an acl is applied to an interface?
Point to point
Sh ip int [interface]
1023
To configure a route form an ISP router into a corporate network

28. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
20
1 - 2 - 5.5 - 11
23
Device identifier - address list - port identifier - capabilites list - platform

29. What rule does dhcp use when an IP address conflict is detected?
The address is removed from the pool until the confilct is resolved.
In the address table and added to the running config
Only in the address table
Yes

30. IPv6 2002::/16
100
Used with 6 to 4
Examples and documentation
Q933a - cisco and ansi

31. IPv6 unique local address
Private address. Can be routed locally - but not on Internet
Sh frame-relay pvc
Sh frame-relay traffic
21

32. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
Boots to rommon
2000::/3
Private address. Can be routed locally - but not on Internet

33. IPv6 0:0:0:0:0:0:192.168.100.1
Ipv4 address in a mixed environment
To configure a route form an ISP router into a corporate network
DLCI to an IP address
::1

34. What command shows the status of PVC - FECN - BECN
Sh frame-relay pvc
100
Highest logical interface IP - then highest configured IP
Same as ::...same as 0.0.0.0

35. IPv6 0:0:0:0:0:0:0:0
In the address table and added to the running config
128 bits
32 bits
Same as ::...same as 0.0.0.0

36. How long is an IPv6 address?
Ipv6 rip <process-name> enable
20
128 bits
In the address table and added to the running config

37. How does ripv2 respond to topology changes?
Disconnect 3
Split horizon and holddown timers
Triggered update - split horizon - route poisoning
Ripv2 is classless - multicasts - allows authentication

38. The frame relay dlci identifies the logical circuit between the ______ and the ______
Multicast range
Unique local unicast range
21
Local router - frame relay WAN

39. Which features did wpav4 add to address the weaknesses of WEP?
Ip addresses are conserved if vlsm is not used for subnetting
Per frame sequence counters and key mixing using temporal keys.
FECN - BECN - DE
Network

40. OSPF hello packets are sent to which address?
Sh frame-relay traffic
1 - 2 - 5.5 - 11
224.0.0.5
161

41. Inverse ARP maps a ______ to a ________
In the address table and added to the running config
Examples and documentation
Show arp
DLCI to an IP address

42. EIGRP summarizes at class boundaries...
Sh ip int [interface]
Publicly routable addresses
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
By default

43. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Sh ip ospf interface
Private address. Can be routed locally - but not on Internet
161
Q933a - cisco and ansi

44. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Compression - multilink support - authentication
Ip addresses are conserved if vlsm is not used for subnetting
Rollover
Sh frame-relay pvc

45. Does is-is support VLSM?
Ipv4 address in a mixed environment
Yes
Disconnect 3
The address is removed from the pool until the confilct is resolved.

46. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
1 -2 - 5.5 - 11
Yes
Publicly routable addresses
Network

47. IPv6 2000::/3
It should be default-network
Global unicast range
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Per frame sequence counters and key mixing using temporal keys.

48. IPv6 FE80::/10
Yes
Link-local unicast range
32768
To provide routing to a destination not specified in the routing table and is outside the local network

49. What commands create md5 encrypted ospf authentication?
Aes-ccmp
53
Disconnect 3
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

50. What are the three options for LMI in FR?
No frame-relay inverse-arp
Show arp
Q933a - cisco and ansi
Used with 6 to 4