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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. What does config register 0x2142 do?
2102
32 bits
Root and designated
Bypass startup config - initial config mode - password recovery

2. What is the frame relay inactive state?

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3. What is the default AD for RIP
Sh ip ospf interface
Disconnect 3
2000::/3
120

4. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
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 int [interface]
Decimal - Hex
0

5. name a situation where a static route would be appropriate...
Remote router's connection to the frame relay switch isn't working
No frame-relay inverse-arp
Show arp
To configure a route form an ISP router into a corporate network

6. Inverse ARP maps a ______ to a ________
DLCI to an IP address
Global unicast range
224.0.0.5
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

7. At which layer should you begin troubleshooting QOS issues?
Network
Show arp
Rommon
DSSS

8. What can you utilize by using PPP layer 2 encapsulation?
Sh frame-relay traffic
Compression - multilink support - authentication
In the address table and added to the running config
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

9. IPv6 0:0:0:0:0:0:192.168.100.1
Sh frame-relay traffic
Show frame-relay lmi
Ipv4 address in a mixed environment
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

10. Which command suspends a telnet session?
<ctrl><shift>6 then x
Link-local unicast range
Sh arp and sh int
One

11. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
The address is removed from the pool until the confilct is resolved.
1544 kbps
To configure a route form an ISP router into a corporate network
192.168.0.0 to 192.168.255.255

12. What commands create plain-text ospf authentication?
::1 same as 127.0.0.1
Ip ospf authentication - ip ospf authentication-key XXXXX
Ripv2 is classless - multicasts - allows authentication
Sh vtp status

13. Which command shows global frame relay stats since the last router reload?
Disconnect 3
Sh vtp status
Sh frame-relay traffic
Ripv2 is classless - multicasts - allows authentication

14. What does a frame relay pvc status of inactive indicate?
Examples and documentation
2000::/3
::1
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

15. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
Ip addresses are conserved if vlsm is not used for subnetting
32768
1023
1 - 2 - 5.5 - 11

16. Which command disables frame-relay inverse arp?
1023
Per frame sequence counters and key mixing using temporal keys.
No frame-relay inverse-arp
Unique local unicast range

17. class b private addresses
1023
172.16.0.0 to 172.31.255.255
224.0.0.5
25

18. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
192.168.0.0 to 192.168.255.255
Sh frame-relay map
Sh frame-relay pvc

19. The frame relay dlci identifies the logical circuit between the ______ and the ______
Triggered update - split horizon - route poisoning
Local router - frame relay WAN
Examples and documentation
Arp for the host

20. Which 2 port roles forward traffic under 802.1w standard?
100
Root and designated
192.168.0.0 to 192.168.255.255
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

21. How long is an IPv6 address?
In the address table and added to the running config
Link establishment - optional authentication - network layer protocol
Local router - frame relay WAN
128 bits

22. What spread spectrum technology does 802.11b use?
DSSS
Point to point
Split horizon and holddown timers
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

23. What does config register 0x2100 do?
Boots to rommon
Aes-ccmp
One to first of many addresses
One to many addresses...always start with ff

24. Which 2 commands show IP address associated with a MAC address
Remote router's connection to the frame relay switch isn't working
192.168.0.0 to 192.168.255.255
To configure a route form an ISP router into a corporate network
Sh arp and sh int

25. What is the order of preference in a routing table?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
32 bits
Same as ::...same as 0.0.0.0
1023

26. confreg 2142
Split horizon and holddown timers
10 seconds with every 6th message being a full status message
Ignore nvram (password recovery)
DLCI to an IP address

27. What encryption does WPA2 use
Aes-ccmp
Pap and chap
53
Destined for a single interface

28. tcp/udp port for SMTP
Sh frame-relay pvc
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
25
69

29. OSPF hello packets are sent to which address?
224.0.0.5
::1
120
Split horizon and holddown timers

30. tcp/udp port for POP3
1 - 2 - 5.5 - 11
100
Access-class
Examples and documentation

31. What does ripv2 do to prevent routing loops?
Used with 6 to 4
192.168.0.0 to 192.168.255.255
Split horizon and holddown timers
Show frame-relay lmi

32. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Sh ip ospf interface
Like private ipv4 address - but can't be routed at all
10.0.0.0 to 10.255.255.255
Only in the address table

33. what command shows which vtp server updated the switch
Sh frame-relay map
53
The address is removed from the pool until the confilct is resolved.
Sh vtp status

34. IPv6 unique local address
Pap and chap
53
Sh frame-relay pvc
Private address. Can be routed locally - but not on Internet

35. Which command shows global frame relay stats since the last router reload?
Point to point
No frame-relay inverse-arp
Sh frame-relay traffic
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

36. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
Examples and documentation
Rollover
Sh ip eigrp neighbors
1 - 2 - 5.5 - 11

37. What command is used to debug the ping command?
Ipv6 rip <process-name> enable
1 - 2 - 5.5 - 11
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Debug ip icmp

38. IPv6 FC00::/7
69
Show frame-relay lmi
Bypass startup config - initial config mode - password recovery
Unique local unicast range

39. What sequence of commands creates encrypted eigrp authentication
Sh frame-relay pvc
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 pvc
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

40. What 2 features did WPAV1 add to address WEP's weaknesses?
Sh frame-relay pvc
Per frame sequence counters and key mixing using temporal keys.
Yes
Global unicast range

41. Does is-is support VLSM?
Sh frame-relay traffic
Yes
::1 same as 127.0.0.1
Per frame sequence counters and key mixing using temporal keys.

42. What is the default bridge STP priority?
32768
Debug ip icmp
1023
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

43. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
One
Highest logical interface IP - then highest configured IP
69
Sh frame-relay map

44. What is the ipv6 loopback adddress?
By default
::1
Examples and documentation
Destined for a single interface

45. What are the steps in PPP authentication?
Link establishment - optional authentication - network layer protocol
69
120
128 bits

46. Frame relay point to point interfaces emulate _______
No frame-relay inverse-arp
Network
Leased lines
Root and designated

47. IPv6 multicast address
Ipv6 unicast-routing
One to many addresses...always start with ff
Show frame-relay lmi
Remote router's connection to the frame relay switch isn't working

48. Which command shows if an acl is applied to an interface?
2102
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Sh ip int [interface]
32768

49. Static secure mac addresses are stored...
In the address table and added to the running config
Ipv6 rip <process-name> enable
TKIP and WEP
100

50. IPv6 FF00::/8
Unique local unicast range
Multicast range
No frame-relay inverse-arp
Root and designated