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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. class a private addresses
10.0.0.0 to 10.255.255.255
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Ignore nvram (password recovery)
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

2. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
In the address table and added to the running config
Sh ip eigrp neighbors
::1
No frame-relay inverse-arp

3. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
192.168.0.0 to 192.168.255.255
10.0.0.0 to 10.255.255.255
Decimal - Hex
224.0.0.5

4. class b private addresses
32 bits
172.16.0.0 to 172.31.255.255
Destined for a single interface
10 seconds with every 6th message being a full status message

5. udp port for DNS
Sh frame-relay traffic
1 - 2 - 5.5 - 11
53
Highest logical interface IP - then highest configured IP

6. IPv6 FE80::/10
Network
Sh ip eigrp neighbors
10 seconds with every 6th message being a full status message
Link-local unicast range

7. What is the ipv6 loopback adddress?
Ipv6 address 2001:0:1:0::2/64 (example)
Ipv6 unicast-routing
::1
1544 kbps

8. tcp/udp port for SNMP
No frame-relay inverse-arp
Examples and documentation
161
In the address table and added to the running config

9. IPv6 2001:0DB8::/32
Highest logical interface IP - then highest configured IP
2000::/3
1 - 2 - 5.5 - 11
Examples and documentation

10. 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
::1 same as 127.0.0.1
Sh frame-relay map

11. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Publicly routable addresses
Same subnet
::1

12. EIGRP summarizes at class boundaries...
1 -2 - 5.5 - 11
By default
32 bits
Per frame sequence counters and key mixing using temporal keys.

13. class c private addresses
Operational pvc
192.168.0.0 to 192.168.255.255
Sh ip eigrp neighbors
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

14. what 3 things can be deduced from the IOS image file name?
One
Feature capabilities - hardware platform - run location and compression status
Operational pvc
100

15. name a situation where a default route would be appropriate...
Ignore nvram (password recovery)
To provide routing to a destination not specified in the routing table and is outside the local network
Used with 6 to 4
The address is removed from the pool until the confilct is resolved.

16. What 2 features did WPAV1 add to address WEP's weaknesses?
Remote router's connection to the frame relay switch isn't working
Encapsulation mismatch and clock rate issues.
Point to point
Per frame sequence counters and key mixing using temporal keys.

17. tcp/udp port for FTP control
Rollover
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
21
Sh frame-relay pvc

18. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Same as ::...same as 0.0.0.0
Sh arp and sh int
25
Ip addresses are conserved if vlsm is not used for subnetting

19. What command shows the status of PVC - FECN - BECN
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
Rollover
Decimal - Hex
Sh frame-relay pvc

20. What is the default configuration register setting?
Sh ip eigrp neighbors
2102
No frame-relay inverse-arp
1023

21. What criteria does OSPF use to determine RID?
Highest logical interface IP - then highest configured IP
Operational pvc
Destined for a single interface
Ipv6 address 2001:0:1:0::2/64 (example)

22. IPv6 global unicast addresses
Root and designated
53
Publicly routable addresses
Same as ::...same as 0.0.0.0

23. Frame relay point to point interfaces emulate _______
Leased lines
::1 same as 127.0.0.1
Boots to rommon
1023

24. IPv6 FF00::/8
21
Multicast range
Sh frame-relay map
Debug ppp authentication

25. IPv6 multicast address
One to many addresses...always start with ff
Bypass startup config - initial config mode - password recovery
Same as ::...same as 0.0.0.0
Per frame sequence counters and key mixing using temporal keys.

26. IPv6 2002::/16
One to many addresses...always start with ff
::1
Yes
Used with 6 to 4

27. tcp/udp port for SMTP
2102
120
25
Examples and documentation

28. What type of cable connects the router's aux port to a modem?
172.16.0.0 to 172.31.255.255
<ctrl><shift>6 then x
Debug ppp authentication
Rollover

29. IPv6 2000::/3
Global unicast range
Sh frame-relay traffic
Highest logical interface IP - then highest configured IP
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

30. Inverse ARP maps a ______ to a ________
DLCI to an IP address
224.0.0.5
<ctrl><shift>6 then x
Link establishment - optional authentication - network layer protocol

31. OSPF hello packets are sent to which address?
100
128 bits
224.0.0.5
Sh ip route eigrp

32. Which command shows pvc mappings between the router and the frame switch?
Nonbroadcast multi-access
Sh frame-relay pvc
No LMI is being received by the switch or there is no service between the CPE and frame switch
::1 same as 127.0.0.1

33. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Remote router's connection to the frame relay switch isn't working
Sh ip ospf interface
One to many addresses...always start with ff
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

34. What 3 things are necessary for 2 routers to establish ospf neighborship?
1 -2 - 5.5 - 11
Rommon
Sh frame-relay pvc
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

35. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
Network
<ctrl><shift>6 then x
1 -2 - 5.5 - 11
Boots to rommon

36. Differences between ripv1 and ripv2
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
Sh frame-relay traffic
1023
Ripv2 is classless - multicasts - allows authentication

37. Which command turns on IPv6 routing?
Point to point
Encapsulation mismatch and clock rate issues.
Ipv6 rip <process-name> enable
Ipv6 unicast-routing

38. What is the LMI DLCI used in ANSI?
Ripv2 is classless - multicasts - allows authentication
0
::1
2102

39. What rule does dhcp use when an IP address conflict is detected?
Sh frame-relay traffic
TKIP and WEP
The address is removed from the pool until the confilct is resolved.
20

40. How does ripv2 respond to topology changes?
1023
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Pap and chap
Triggered update - split horizon - route poisoning

41. What 4 things are necessary for 2 routers to form an eigrp relationship?
Per frame sequence counters and key mixing using temporal keys.
Access-class
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
Ipv6 unicast-routing

42. IPv6 FC00::/7
Disconnect 3
53
Ipv6 address 2001:0:1:0::2/64 (example)
Unique local unicast range

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

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44. What can you utilize by using PPP layer 2 encapsulation?
Private address. Can be routed locally - but not on Internet
Compression - multilink support - authentication
Disconnect 3
Used with 6 to 4

45. What is the order of preference in a routing table?
To provide routing to a destination not specified in the routing table and is outside the local network
Disconnect 3
0
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

46. IPv6 link-local address

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47. tcp/udp port for DNS
Debug ip icmp
Sh frame-relay traffic
53
Q933a - cisco and ansi

48. confreg 2120
Publicly routable addresses
Ipv6 unicast-routing
Rommon
Show frame-relay lmi

49. Static secure mac addresses are stored...
Per frame sequence counters and key mixing using temporal keys.
Ripv2 is classless - multicasts - allows authentication
In the address table and added to the running config
Q933a - cisco and ansi

50. What are the three types of congestion notification used by frame relay?
Show frame-relay lmi
Ripv2 is classless - multicasts - allows authentication
Destined for a single interface
FECN - BECN - DE