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CCNA Updated

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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 unique local address
Q933a - cisco and ansi
Only in the address table
Private address. Can be routed locally - but not on Internet
100

2. Which command disables frame-relay inverse arp?
Sh vtp status
Remote router's connection to the frame relay switch isn't working
One to many addresses...always start with ff
No frame-relay inverse-arp

3. What is the LMI DLCI used in Cisco?
Nonbroadcast multi-access
Sh arp and sh int
1023
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

4. name a situation where a default route would be appropriate...
To provide routing to a destination not specified in the routing table and is outside the local network
Ipv6 unicast-routing
Nonbroadcast multi-access
1023

5. What is the ipv6 loopback adddress?
::1
Yes
One to first of many addresses
Local router - frame relay WAN

6. IPv6 2000::/3
Ipv6 address 2001:0:1:0::2/64 (example)
::1
Point to point
Global unicast range

7. What does config register 0x2100 do?
Boots to rommon
Sh frame-relay traffic
2000::/3
Debug ip icmp

8. The frame relay dlci identifies the logical circuit between the ______ and the ______
<ctrl><shift>6 then x
Disconnect 3
Local router - frame relay WAN
Ripv2 is classless - multicasts - allows authentication

9. name a situation where a static route would be appropriate...
Show frame-relay lmi
Multicast range
To configure a route form an ISP router into a corporate network
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

10. class b private addresses
One to many addresses...always start with ff
172.16.0.0 to 172.31.255.255
53
Remote router's connection to the frame relay switch isn't working

11. What rule does dhcp use when an IP address conflict is detected?
Show arp
Boots to rommon
2102
The address is removed from the pool until the confilct is resolved.

12. IPv6 FF00::/8
20
To configure a route form an ISP router into a corporate network
192.168.0.0 to 192.168.255.255
Multicast range

13. Which two wireless encryption methods are based on RC4?
32 bits
The address is removed from the pool until the confilct is resolved.
2102
TKIP and WEP

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

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15. Which command shows frame relay status and keep-alive information?
Show frame-relay lmi
Debug ip icmp
Ignore nvram (password recovery)
Yes

16. EIGRP summarizes at class boundaries...
Remote router's connection to the frame relay switch isn't working
1 -2 - 5.5 - 11
By default
Ip addresses are conserved if vlsm is not used for subnetting

17. What are the steps in PPP authentication?
To configure a route form an ISP router into a corporate network
In the address table and added to the running config
Root and designated
Link establishment - optional authentication - network layer protocol

18. What is the LMI DLCI used in ANSI?
Ip ospf authentication - ip ospf authentication-key XXXXX
Triggered update - split horizon - route poisoning
0
Examples and documentation

19. What does config register 0x2142 do?
Nonbroadcast multi-access
Sh frame-relay pvc
Bypass startup config - initial config mode - password recovery
Examples and documentation

20. Sticky secure mac addresses are stored...
Link establishment - optional authentication - network layer protocol
Sh arp and sh int
In the address table and added to the running config
100

21. What 3 things are necessary for 2 routers to establish ospf neighborship?
Debug ppp authentication
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
128 bits
1544 kbps

22. How long is an IPv4 address?
Operational pvc
TKIP and WEP
32 bits
Ignore nvram (password recovery)

23. Which command turns on RIPng for ipv6?
Ipv6 rip <process-name> enable
Highest logical interface IP - then highest configured IP
Arp for the host
Private address. Can be routed locally - but not on Internet

24. udp port for DNS
Destined for a single interface
Examples and documentation
53
Bypass startup config - initial config mode - password recovery

25. Which command shows global frame relay stats since the last router reload?
Ip ospf authentication - ip ospf authentication-key XXXXX
25
Sh frame-relay traffic
0

26. tcp/udp port for SMTP
Ipv6 unicast-routing
The address is removed from the pool until the confilct is resolved.
Point to point
25

27. IPv6 0:0:0:0:0:0:0:1
21
Like private ipv4 address - but can't be routed at all
::1 same as 127.0.0.1
Examples and documentation

28. What information is supplied by CDP? (5)
Feature capabilities - hardware platform - run location and compression status
Device identifier - address list - port identifier - capabilites list - platform
Only in the address table
Disconnect 3

29. confreg 2120
Show frame-relay lmi
Multicast range
Rommon
Sh frame-relay traffic

30. IPv6 2001:0DB8::/32
Ignore nvram (password recovery)
1023
Examples and documentation
DSSS

31. Which command shows pvc mappings between the router and the frame switch?
One to first of many addresses
Sh frame-relay pvc
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Ipv4 address in a mixed environment

32. Which command suspends a telnet session?
Triggered update - split horizon - route poisoning
Highest logical interface IP - then highest configured IP
1 - 2 - 5.5 - 11
<ctrl><shift>6 then x

33. What sequence of commands creates encrypted eigrp authentication
Remote router's connection to the frame relay switch isn't working
Sh vtp status
One
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

34. tcp/udp port for DNS
Ripv2 is classless - multicasts - allows authentication
No LMI is being received by the switch or there is no service between the CPE and frame switch
21
53

35. Which command shows if an acl is applied to an interface?
Sh ip int [interface]
Yes
23
0

36. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Feature capabilities - hardware platform - run location and compression status
Destined for a single interface
1544 kbps
Network

37. Which command shows global frame relay stats since the last router reload?
1 -2 - 5.5 - 11
Sh frame-relay traffic
Used with 6 to 4
Ip ospf authentication - ip ospf authentication-key XXXXX

38. IPv6 unicast address
25
Destined for a single interface
Ipv6 rip <process-name> enable
Per frame sequence counters and key mixing using temporal keys.

39. tcp/udp port for FTP control
10.0.0.0 to 10.255.255.255
By default
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
21

40. What is the default AD for RIP
Debug ip icmp
120
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Boots to rommon

41. What command shows the status of PVC - FECN - BECN
Sh frame-relay pvc
Examples and documentation
TKIP and WEP
192.168.0.0 to 192.168.255.255

42. What command is used to debug the ping command?
Debug ip icmp
Leased lines
By default
1 - 2 - 5.5 - 11

43. tcp/udp port for FTP data
Sh ip ospf interface
Rollover
20
0

44. IPv6 FE80::/10
Examples and documentation
Bypass startup config - initial config mode - password recovery
Link-local unicast range
53

45. What is the first action that a host will take when sending data to a host on a different network?
1023
Ip ospf authentication - ip ospf authentication-key XXXXX
Arp for the host
Per frame sequence counters and key mixing using temporal keys.

46. IPv6 global unicast addresses
Link-local unicast range
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
Publicly routable addresses
Disconnect 3

47. ipv6 global addresses start with ...
10.0.0.0 to 10.255.255.255
Leased lines
224.0.0.5
2000::/3

48. What does ripv2 do to prevent routing loops?
In the address table and added to the running config
Root and designated
Split horizon and holddown timers
2102

49. What is the ipv6 loopback address?
Local router - frame relay WAN
Encapsulation mismatch and clock rate issues.
::1
Q933a - cisco and ansi

50. What command shows the amount of memory being used and whether there is enough room to load a new image?
Sh flash
It should be default-network
Point to point
Ipv6 unicast-routing

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