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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. 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
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Sh flash
Sh ip ospf interface

2. What command displays the CHAP authentication process in real time?
Sh vtp status
2102
Debug ppp authentication
Rommon

3. What command shows the status of PVC - FECN - BECN
Ripv2 is classless - multicasts - allows authentication
Sh frame-relay pvc
Destined for a single interface
161

4. What type of cable connects the router's aux port to a modem?
Sh ip route eigrp
192.168.0.0 to 192.168.255.255
DLCI to an IP address
Rollover

5. How often do LMI messages flow?
Examples and documentation
Bypass startup config - initial config mode - password recovery
10 seconds with every 6th message being a full status message
Same subnet

6. The frame relay dlci identifies the logical circuit between the ______ and the ______
Local router - frame relay WAN
Examples and documentation
::1
Ipv6 unicast-routing

7. What is the default configuration register setting?
Ripv2 is classless - multicasts - allows authentication
Used with 6 to 4
2102
1 - 2 - 5.5 - 11

8. IPv6 2000::/3
Yes
Sh ip int [interface]
Global unicast range
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

9. IPv6 0:0:0:0:0:0:0:1
Sh flash
::1 same as 127.0.0.1
Link-local unicast range
Publicly routable addresses

10. IPv6 link-local address

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11. tcp/udp port for FTP control
Debug ip icmp
Rollover
21
128 bits

12. What is the frame relay active state?
It should be default-network
Destined for a single interface
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Operational pvc

13. What criteria does OSPF use to determine RID?
To provide routing to a destination not specified in the routing table and is outside the local network
Ignore nvram (password recovery)
Highest logical interface IP - then highest configured IP
1023

14. class b private addresses
Yes
172.16.0.0 to 172.31.255.255
120
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

15. Which features did wpav4 add to address the weaknesses of WEP?
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
One to many addresses...always start with ff
Multicast range

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

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17. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
::1 same as 127.0.0.1
1 - 2 - 5.5 - 11
Sh frame-relay map
21

18. Which command turns on RIPng for ipv6?
Ipv6 rip <process-name> enable
TKIP and WEP
Show frame-relay lmi
Remote router's connection to the frame relay switch isn't working

19. What does config register 0x2142 do?
1023
32768
Bypass startup config - initial config mode - password recovery
1 - 2 - 5.5 - 11

20. What information is supplied by CDP? (5)
Device identifier - address list - port identifier - capabilites list - platform
To provide routing to a destination not specified in the routing table and is outside the local network
Remote router's connection to the frame relay switch isn't working
192.168.0.0 to 192.168.255.255

21. What is the default AD for RIP
DSSS
No LMI is being received by the switch or there is no service between the CPE and frame switch
120
Sh frame-relay pvc

22. What commands create plain-text ospf authentication?
Feature capabilities - hardware platform - run location and compression status
Ip ospf authentication - ip ospf authentication-key XXXXX
Sh vtp status
No LMI is being received by the switch or there is no service between the CPE and frame switch

23. What type of frame subinterface do you use for hub and spoke?
Point to point
Debug ip icmp
1 - 2 - 5.5 - 11
Split horizon and holddown timers

24. What command is used to debug the ping command?
One to many addresses...always start with ff
Sh arp and sh int
Debug ip icmp
Link establishment - optional authentication - network layer protocol

25. What command shows the amount of memory being used and whether there is enough room to load a new image?
Feature capabilities - hardware platform - run location and compression status
192.168.0.0 to 192.168.255.255
Sh flash
Show frame-relay lmi

26. IPv6 3FFF:FFFF::/32
Yes
Point to point
Sh frame-relay pvc
Examples and documentation

27. What 3 things are necessary for 2 routers to establish ospf neighborship?
Global unicast range
100
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Sh ip route eigrp

28. What is the ipv6 loopback address?
Access-class
Device identifier - address list - port identifier - capabilites list - platform
Operational pvc
::1

29. what 3 things can be deduced from the IOS image file name?
224.0.0.5
Point to point
192.168.0.0 to 192.168.255.255
Feature capabilities - hardware platform - run location and compression status

30. confreg 2142
By default
Ignore nvram (password recovery)
Highest logical interface IP - then highest configured IP
Compression - multilink support - authentication

31. IPv6 FF00::/8
Sh frame-relay traffic
Device identifier - address list - port identifier - capabilites list - platform
25
Multicast range

32. How does ripv2 respond to topology changes?
23
::1
Triggered update - split horizon - route poisoning
One to many addresses...always start with ff

33. What commands create md5 encrypted ospf authentication?
One
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
By default
Device identifier - address list - port identifier - capabilites list - platform

34. How long is an IPv6 address?
128 bits
::1
32 bits
Encapsulation mismatch and clock rate issues.

35. What can you utilize by using PPP layer 2 encapsulation?
Compression - multilink support - authentication
2102
Per frame sequence counters and key mixing using temporal keys.
In the address table and added to the running config

36. ipv6 global addresses start with ...
2000::/3
Access-class
32768
Nonbroadcast multi-access

37. EIGRP summarizes at class boundaries...
Sh flash
2102
By default
Ip ospf authentication - ip ospf authentication-key XXXXX

38. What is the command to use an ACL for VTY access
Access-class
Encapsulation mismatch and clock rate issues.
2102
Aes-ccmp

39. confreg 2120
Rommon
10 seconds with every 6th message being a full status message
Used with 6 to 4
Show frame-relay lmi

40. What rule does dhcp use when an IP address conflict is detected?
Rommon
Sh arp and sh int
The address is removed from the pool until the confilct is resolved.
Per frame sequence counters and key mixing using temporal keys.

41. class c private addresses
Aes-ccmp
69
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
192.168.0.0 to 192.168.255.255

42. IPv6 2001:0DB8::/32
100
32768
Examples and documentation
Sh ip int [interface]

43. What is the ipv6 loopback adddress?
Nonbroadcast multi-access
::1
10 seconds with every 6th message being a full status message
Sh frame-relay pvc

44. Name 2 reasons a serial connection can be in an up/down status?
Global unicast range
Encapsulation mismatch and clock rate issues.
To configure a route form an ISP router into a corporate network
Root and designated

45. tcp/udp port for SMTP
25
Show frame-relay lmi
23
In the address table and added to the running config

46. Which command shows global frame relay stats since the last router reload?
Same subnet
Same as ::...same as 0.0.0.0
Sh frame-relay traffic
Access-class

47. What are the two ppp authentication methods?
Pap and chap
Rollover
Sh arp and sh int
32 bits

48. Which command shows pvc mappings between the router and the frame switch?
2102
Per frame sequence counters and key mixing using temporal keys.
Debug ip icmp
Sh frame-relay pvc

49. Which command assigns an IPv6 address to an interface?
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Sh vtp status
Ipv6 address 2001:0:1:0::2/64 (example)
Sh arp and sh int

50. What is wrong with this command 'ip default-route 10.1.1.1'?
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
It should be default-network
128 bits
No frame-relay inverse-arp