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CCNA Updated

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. IPv6 FC00::/7
Access-class
Unique local unicast range
Like private ipv4 address - but can't be routed at all
Sh vtp status

2. what command shows which vtp server updated the switch
In the address table and added to the running config
Operational pvc
Sh vtp status
Sh frame-relay pvc

3. Which features did wpav4 add to address the weaknesses of WEP?
Triggered update - split horizon - route poisoning
172.16.0.0 to 172.31.255.255
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.

4. What does a frame relay pvc status of inactive indicate?
Sh ip eigrp neighbors
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Sh frame-relay traffic
224.0.0.5

5. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Multicast range
53
Sh frame-relay map
Show frame-relay lmi

6. IPv6 link-local address

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7. IPv6 0:0:0:0:0:0:0:1
Sh ip ospf interface
Disconnect 3
::1 same as 127.0.0.1
One to many addresses...always start with ff

8. What commands create plain-text ospf authentication?
Unique local unicast range
Ip ospf authentication - ip ospf authentication-key XXXXX
Sh arp and sh int
It should be default-network

9. tcp/udp port for DNS
Sh frame-relay pvc
Ripv2 is classless - multicasts - allows authentication
::1
53

10. At which layer should you begin troubleshooting QOS issues?
Network
Sh ip ospf interface
TKIP and WEP
0

11. confreg 2120
Rommon
Highest logical interface IP - then highest configured IP
FECN - BECN - DE
One

12. Static secure mac addresses are stored...
In the address table and added to the running config
Multicast range
224.0.0.5
Split horizon and holddown timers

13. What encryption does WPA2 use
Operational pvc
Ripv2 is classless - multicasts - allows authentication
Aes-ccmp
172.16.0.0 to 172.31.255.255

14. IPv6 multicast address
25
One to many addresses...always start with ff
10.0.0.0 to 10.255.255.255
It should be default-network

15. What command is used to debug the ping command?
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
By default
Operational pvc
Debug ip icmp

16. tcp/udp port for SNMP
1544 kbps
Bypass startup config - initial config mode - password recovery
161
By default

17. IPv6 2002::/16
::1
Sh arp and sh int
Used with 6 to 4
224.0.0.5

18. Which command assigns an IPv6 address to an interface?
Encapsulation mismatch and clock rate issues.
Leased lines
Compression - multilink support - authentication
Ipv6 address 2001:0:1:0::2/64 (example)

19. Which command shows pvc mappings between the router and the frame switch?
Network
Sh frame-relay pvc
Sh frame-relay traffic
Sh flash

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

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21. Which command disables frame-relay inverse arp?
Debug ip icmp
No frame-relay inverse-arp
Sh arp and sh int
Remote router's connection to the frame relay switch isn't working

22. class c private addresses
192.168.0.0 to 192.168.255.255
Same subnet
1023
161

23. class b private addresses
172.16.0.0 to 172.31.255.255
Operational pvc
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
32768

24. What does ripv2 do to prevent routing loops?
Split horizon and holddown timers
Ip addresses are conserved if vlsm is not used for subnetting
::1
Multicast range

25. What does config register 0x2100 do?
One to first of many addresses
Examples and documentation
Disconnect 3
Boots to rommon

26. What command displays the CHAP authentication process in real time?
Debug ppp authentication
Nonbroadcast multi-access
Sh frame-relay traffic
Debug ip icmp

27. What is the default AD for RIP
Per frame sequence counters and key mixing using temporal keys.
120
1 -2 - 5.5 - 11
Sh frame-relay pvc

28. Which two wireless encryption methods are based on RC4?
Global unicast range
32768
TKIP and WEP
192.168.0.0 to 192.168.255.255

29. Which command turns on IPv6 routing?
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Ipv6 unicast-routing
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
Sh frame-relay pvc

30. udp port for DNS
::1 same as 127.0.0.1
23
69
53

31. IPv6 global unicast addresses
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
Publicly routable addresses
Show frame-relay lmi

32. Which command shows global frame relay stats since the last router reload?
Sh frame-relay traffic
Point to point
120
0

33. Dynamic secure mac addresses are stored...
Only in the address table
::1 same as 127.0.0.1
Boots to rommon
Ipv6 rip <process-name> enable

34. name a situation where a static route would be appropriate...
Point to point
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
224.0.0.5
To configure a route form an ISP router into a corporate network

35. What is the default bridge STP priority?
32768
25
Remote router's connection to the frame relay switch isn't working
::1

36. How long is an IPv6 address?
128 bits
20
Point to point
53

37. What is wrong with this command 'ip default-route 10.1.1.1'?
It should be default-network
::1
Link establishment - optional authentication - network layer protocol
Rommon

38. ipv6 global addresses start with ...
2000::/3
DLCI to an IP address
1 - 2 - 5.5 - 11
Sh flash

39. What rule does dhcp use when an IP address conflict is detected?
Debug ppp authentication
Highest logical interface IP - then highest configured IP
Ipv6 address 2001:0:1:0::2/64 (example)
The address is removed from the pool until the confilct is resolved.

40. What are the three options for LMI in FR?
21
Sh frame-relay pvc
Sh ip ospf interface
Q933a - cisco and ansi

41. What is the default configuration register setting?
To configure a route form an ISP router into a corporate network
Examples and documentation
By default
2102

42. What is the ipv6 loopback address?
::1
Link-local unicast range
Link establishment - optional authentication - network layer protocol
Only in the address table

43. How often do LMI messages flow?
In the address table and added to the running config
10 seconds with every 6th message being a full status message
Disconnect 3
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

44. Which 2 port roles forward traffic under 802.1w standard?
Split horizon and holddown timers
Root and designated
No LMI is being received by the switch or there is no service between the CPE and frame switch
Only in the address table

45. tcp/udp port for SMTP
25
Only in the address table
192.168.0.0 to 192.168.255.255
Split horizon and holddown timers

46. What sequence of commands creates encrypted eigrp authentication
Ignore nvram (password recovery)
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
To provide routing to a destination not specified in the routing table and is outside the local network
Sh vtp status

47. Name 2 reasons a serial connection can be in an up/down status?
Sh frame-relay map
Encapsulation mismatch and clock rate issues.
Debug ppp authentication
Pap and chap

48. What command shows the amount of memory being used and whether there is enough room to load a new image?
Same subnet
Sh vtp status
One
Sh flash

49. IPv6 0:0:0:0:0:0:192.168.100.1
Show arp
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
Private address. Can be routed locally - but not on Internet
Ipv4 address in a mixed environment

50. Which command suspends a telnet session?
<ctrl><shift>6 then x
No frame-relay inverse-arp
Global unicast range
10 seconds with every 6th message being a full status message