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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?
Aes-ccmp
The address is removed from the pool until the confilct is resolved.
Ip ospf authentication - ip ospf authentication-key XXXXX
Ipv6 address 2001:0:1:0::2/64 (example)

2. What is the LMI DLCI used in ANSI?
0
::1 same as 127.0.0.1
Debug ip icmp
2000::/3

3. Which 2 port roles forward traffic under 802.1w standard?
Triggered update - split horizon - route poisoning
Examples and documentation
Root and designated
Only in the address table

4. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
Sh ip eigrp neighbors
Local router - frame relay WAN
Examples and documentation
Ip addresses are conserved if vlsm is not used for subnetting

5. name a situation where a static route would be appropriate...
To configure a route form an ISP router into a corporate network
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Arp for the host
It should be default-network

6. Which command shows mac addresses of stations connected to switch ports?
No frame-relay inverse-arp
Show arp
Access-class
Network

7. How often do LMI messages flow?
Unique local unicast range
32 bits
10 seconds with every 6th message being a full status message
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

8. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
Ipv6 address 2001:0:1:0::2/64 (example)
1 - 2 - 5.5 - 11
One
Link-local unicast range

9. What is the ipv6 loopback adddress?
::1
Ignore nvram (password recovery)
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
21

10. Does is-is support VLSM?
Decimal - Hex
Sh ip int [interface]
2102
Yes

11. tcp/udp port for FTP data
Pap and chap
One to many addresses...always start with ff
20
Sh frame-relay pvc

12. Dynamic secure mac addresses are stored...
Only in the address table
Rollover
Link-local unicast range
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

13. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
1 - 2 - 5.5 - 11
1023
Sh ip ospf interface
Debug ppp authentication

14. How does ripv2 respond to topology changes?
Triggered update - split horizon - route poisoning
Ipv6 rip <process-name> enable
Per frame sequence counters and key mixing using temporal keys.
192.168.0.0 to 192.168.255.255

15. Frame relay point to point interfaces emulate _______
Link establishment - optional authentication - network layer protocol
Leased lines
By default
Triggered update - split horizon - route poisoning

16. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
21
Same subnet
172.16.0.0 to 172.31.255.255
Debug ip icmp

17. Inverse ARP maps a ______ to a ________
DLCI to an IP address
Sh frame-relay pvc
Sh arp and sh int
Link establishment - optional authentication - network layer protocol

18. IPv6 0:0:0:0:0:0:0:1
Unique local unicast range
1023
Point to point
::1 same as 127.0.0.1

19. IPv6 2002::/16
Point to point
10 seconds with every 6th message being a full status message
Feature capabilities - hardware platform - run location and compression status
Used with 6 to 4

20. What commands create md5 encrypted ospf authentication?
No frame-relay inverse-arp
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
10 seconds with every 6th message being a full status message
Feature capabilities - hardware platform - run location and compression status

21. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
It should be default-network
Bypass startup config - initial config mode - password recovery
1544 kbps
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

22. IPv6 global unicast addresses
Publicly routable addresses
Sh ip route eigrp
::1 same as 127.0.0.1
53

23. The frame relay dlci identifies the logical circuit between the ______ and the ______
Unique local unicast range
Local router - frame relay WAN
Global unicast range
100

24. IPv6 0:0:0:0:0:0:0:0
Link establishment - optional authentication - network layer protocol
Sh frame-relay pvc
Same as ::...same as 0.0.0.0
Access-class

25. Which command shows frame relay status and keep-alive information?
Show frame-relay lmi
Encapsulation mismatch and clock rate issues.
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Publicly routable addresses

26. What is the frame relay active state?
Examples and documentation
Sh frame-relay traffic
Operational pvc
53

27. IPv6 0:0:0:0:0:0:192.168.100.1
69
No frame-relay inverse-arp
Aes-ccmp
Ipv4 address in a mixed environment

28. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Disconnect 3
Device identifier - address list - port identifier - capabilites list - platform
1 -2 - 5.5 - 11

29. IPv6 link-local address

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30. IPv6 unicast address
Decimal - Hex
Sh flash
Destined for a single interface
10.0.0.0 to 10.255.255.255

31. class c private addresses
Arp for the host
25
It should be default-network
192.168.0.0 to 192.168.255.255

32. IPv6 2001:0DB8::/32
TKIP and WEP
Ipv6 address 2001:0:1:0::2/64 (example)
32768
Examples and documentation

33. Which command shows if an acl is applied to an interface?
Destined for a single interface
Sh ip int [interface]
Show arp
Show frame-relay lmi

34. IPv6 multicast address
53
1023
One to many addresses...always start with ff
In the address table and added to the running config

35. udp port for DNS
53
Examples and documentation
Network
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

36. tcp/udp port for FTP control
69
Decimal - Hex
172.16.0.0 to 172.31.255.255
21

37. class a private addresses
10.0.0.0 to 10.255.255.255
Ipv6 unicast-routing
Show frame-relay lmi
The address is removed from the pool until the confilct is resolved.

38. tcp/udp port for telnet
10 seconds with every 6th message being a full status message
23
DLCI to an IP address
One

39. Which command shows global frame relay stats since the last router reload?
Highest logical interface IP - then highest configured IP
Sh frame-relay traffic
Feature capabilities - hardware platform - run location and compression status
Show frame-relay lmi

40. Differences between ripv1 and ripv2
192.168.0.0 to 192.168.255.255
Pap and chap
::1 same as 127.0.0.1
Ripv2 is classless - multicasts - allows authentication

41. What is the default AD for RIP
Used with 6 to 4
120
Yes
Local router - frame relay WAN

42. Which command shows frame relay status and keep-alive information?
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
FECN - BECN - DE
Sh vtp status
Show frame-relay lmi

43. tcp/udp port for DNS
53
Sh frame-relay pvc
::1 same as 127.0.0.1
Multicast range

44. What does a frame relay pvc status of inactive indicate?
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
53
Ip ospf authentication - ip ospf authentication-key XXXXX
120

45. What is wrong with this command 'ip default-route 10.1.1.1'?
Link-local unicast range
Sh arp and sh int
DSSS
It should be default-network

46. What 4 things are necessary for 2 routers to form an eigrp relationship?
Debug ip icmp
Disconnect 3
161
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

47. tcp/udp port for SNMP
Same subnet
161
Compression - multilink support - authentication
Used with 6 to 4

48. What command displays the CHAP authentication process in real time?
No frame-relay inverse-arp
Rollover
One
Debug ppp authentication

49. What does config register 0x2100 do?
Rommon
Ipv6 address 2001:0:1:0::2/64 (example)
Boots to rommon
Sh arp and sh int

50. What command is used to debug the ping command?
Debug ip icmp
Root and designated
Sh arp and sh int
224.0.0.5