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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. What rule does dhcp use when an IP address conflict is detected?
Per frame sequence counters and key mixing using temporal keys.
The address is removed from the pool until the confilct is resolved.
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
Show frame-relay lmi

2. What is the frame relay inactive state?

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3. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
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
23

4. Does is-is support VLSM?
Yes
::1 same as 127.0.0.1
No LMI is being received by the switch or there is no service between the CPE and frame switch
1544 kbps

5. IPv6 unique local address
Nonbroadcast multi-access
Ripv2 is classless - multicasts - allows authentication
One to first of many addresses
Private address. Can be routed locally - but not on Internet

6. What is the LMI DLCI used in ANSI?
To provide routing to a destination not specified in the routing table and is outside the local network
20
Examples and documentation
0

7. Which command shows if an acl is applied to an interface?
Sh ip int [interface]
Root and designated
Sh vtp status
Bypass startup config - initial config mode - password recovery

8. 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
Sh vtp status
Boots to rommon
Feature capabilities - hardware platform - run location and compression status

9. What is the default configuration register setting?
Same subnet
2102
Debug ip icmp
Show frame-relay lmi

10. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
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
120
Split horizon and holddown timers

11. tcp/udp port for FTP control
Private address. Can be routed locally - but not on Internet
Per frame sequence counters and key mixing using temporal keys.
21
Point to point

12. What commands create md5 encrypted ospf authentication?
One to many addresses...always start with ff
Arp for the host
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
192.168.0.0 to 192.168.255.255

13. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Sh flash
1023
1544 kbps
128 bits

14. IPv6 3FFF:FFFF::/32
Pap and chap
Examples and documentation
Debug ppp authentication
FECN - BECN - DE

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

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16. IPv6 multicast address
Yes
1 -2 - 5.5 - 11
Like private ipv4 address - but can't be routed at all
One to many addresses...always start with ff

17. What type of frame subinterface do you use for hub and spoke?
Global unicast range
Ipv6 unicast-routing
20
Point to point

18. confreg 2142
1023
Only in the address table
Access-class
Ignore nvram (password recovery)

19. What 4 things are necessary for 2 routers to form an eigrp relationship?
Network
Compression - multilink support - authentication
Sh arp and sh int
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

20. What are the three types of congestion notification used by frame relay?
No frame-relay inverse-arp
FECN - BECN - DE
1 -2 - 5.5 - 11
One to first of many addresses

21. Which command shows global frame relay stats since the last router reload?
Sh frame-relay traffic
Ip ospf authentication - ip ospf authentication-key XXXXX
2102
One

22. What does a frame relay pvc status of inactive indicate?
Rommon
No frame-relay inverse-arp
Ip addresses are conserved if vlsm is not used for subnetting
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

23. name a situation where a static route would be appropriate...
Sh frame-relay pvc
To provide routing to a destination not specified in the routing table and is outside the local network
To configure a route form an ISP router into a corporate network
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

24. Which command shows frame relay status and keep-alive information?
20
23
Show frame-relay lmi
Global unicast range

25. How long is an IPv6 address?
Ipv4 address in a mixed environment
128 bits
Local router - frame relay WAN
20

26. IPv6 FC00::/7
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Unique local unicast range
Rommon
69

27. IPv6 0:0:0:0:0:0:192.168.100.1
Yes
No frame-relay inverse-arp
Ipv4 address in a mixed environment
Used with 6 to 4

28. EIGRP summarizes at class boundaries...
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
Pap and chap
By default
Feature capabilities - hardware platform - run location and compression status

29. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
Rommon
1 - 2 - 5.5 - 11
1023
Decimal - Hex

30. IPv6 FF00::/8
Same subnet
Multicast range
Nonbroadcast multi-access
DSSS

31. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
Arp for the host
25
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

32. At which layer should you begin troubleshooting QOS issues?
224.0.0.5
Remote router's connection to the frame relay switch isn't working
Network
DSSS

33. How often do LMI messages flow?
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
172.16.0.0 to 172.31.255.255
::1 same as 127.0.0.1
10 seconds with every 6th message being a full status message

34. tcp/udp port for FTP data
20
Yes
Boots to rommon
DSSS

35. udp port for DNS
128 bits
::1 same as 127.0.0.1
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
53

36. Inverse ARP maps a ______ to a ________
Private address. Can be routed locally - but not on Internet
DLCI to an IP address
One
Link establishment - optional authentication - network layer protocol

37. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Global unicast range
25
Ip addresses are conserved if vlsm is not used for subnetting
1 - 2 - 5.5 - 11

38. IPv6 2002::/16
By default
Sh frame-relay traffic
Used with 6 to 4
Sh ip int [interface]

39. What criteria does OSPF use to determine RID?
Highest logical interface IP - then highest configured IP
120
Debug ppp authentication
192.168.0.0 to 192.168.255.255

40. Which two wireless encryption methods are based on RC4?
2000::/3
Pap and chap
TKIP and WEP
FECN - BECN - DE

41. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Ipv6 rip <process-name> enable
Sh frame-relay map
Sh ip route eigrp
Like private ipv4 address - but can't be routed at all

42. What sequence of commands creates encrypted eigrp authentication
Device identifier - address list - port identifier - capabilites list - platform
Compression - multilink support - authentication
53
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

43. Which 2 port roles forward traffic under 802.1w standard?
Root and designated
It should be default-network
161
32 bits

44. What command is used to debug the ping command?
By default
Sh flash
Debug ip icmp
Show frame-relay lmi

45. The frame relay dlci identifies the logical circuit between the ______ and the ______
Sh frame-relay pvc
Local router - frame relay WAN
Sh ip eigrp neighbors
To configure a route form an ISP router into a corporate network

46. What are the two ppp authentication methods?
Pap and chap
Rommon
Access-class
Sh frame-relay traffic

47. IPv6 0:0:0:0:0:0:0:0
Same as ::...same as 0.0.0.0
Examples and documentation
Sh ip eigrp neighbors
Point to point

48. IPv6 anycast address
One to first of many addresses
Sh ip ospf interface
No LMI is being received by the switch or there is no service between the CPE and frame switch
Examples and documentation

49. What can you utilize by using PPP layer 2 encapsulation?
Ip addresses are conserved if vlsm is not used for subnetting
DSSS
Compression - multilink support - authentication
Publicly routable addresses

50. IPv6 link-local address

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