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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. class b private addresses
172.16.0.0 to 172.31.255.255
Compression - multilink support - authentication
Destined for a single interface
Disconnect 3

2. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
Link-local unicast range
128 bits
Same subnet
1023

3. Differences between ripv1 and ripv2
Compression - multilink support - authentication
Debug ip icmp
Sh ip eigrp neighbors
Ripv2 is classless - multicasts - allows authentication

4. What does ripv2 do to prevent routing loops?
161
Decimal - Hex
Ripv2 is classless - multicasts - allows authentication
Split horizon and holddown timers

5. IPv6 2002::/16
Used with 6 to 4
Decimal - Hex
Ipv6 rip <process-name> enable
Ipv6 address 2001:0:1:0::2/64 (example)

6. Which command turns on IPv6 routing?
25
Sh frame-relay pvc
Ipv6 unicast-routing
Ripv2 is classless - multicasts - allows authentication

7. What command shows the status of PVC - FECN - BECN
Encapsulation mismatch and clock rate issues.
It should be default-network
Sh frame-relay pvc
DLCI to an IP address

8. How does ripv2 respond to topology changes?
To provide routing to a destination not specified in the routing table and is outside the local network
One to many addresses...always start with ff
Highest logical interface IP - then highest configured IP
Triggered update - split horizon - route poisoning

9. tcp/udp port for SNMP
161
53
2102
Sh ip eigrp neighbors

10. IPv6 multicast address
To configure a route form an ISP router into a corporate network
Multicast range
One to many addresses...always start with ff
Decimal - Hex

11. At which layer should you begin troubleshooting QOS issues?
Rollover
53
Network
Only in the address table

12. Frame relay point to point interfaces emulate _______
Leased lines
Pap and chap
Feature capabilities - hardware platform - run location and compression status
The address is removed from the pool until the confilct is resolved.

13. tcp/udp port for FTP data
192.168.0.0 to 192.168.255.255
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
23
20

14. Which command shows frame relay status and keep-alive information?
Show frame-relay lmi
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
No frame-relay inverse-arp
69

15. IPv6 0:0:0:0:0:0:192.168.100.1
21
Same subnet
128 bits
Ipv4 address in a mixed environment

16. What type of frame subinterface do you use for hub and spoke?
Point to point
Compression - multilink support - authentication
Access-class
No frame-relay inverse-arp

17. class c private addresses
1544 kbps
FECN - BECN - DE
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

18. What rule does dhcp use when an IP address conflict is detected?
The address is removed from the pool until the confilct is resolved.
224.0.0.5
Yes
Sh frame-relay traffic

19. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
One
120
1544 kbps
By default

20. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Aes-ccmp
Private address. Can be routed locally - but not on Internet
Sh ip ospf interface
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

21. IPv6 2000::/3
One
Feature capabilities - hardware platform - run location and compression status
Global unicast range
1 -2 - 5.5 - 11

22. What command shows the amount of memory being used and whether there is enough room to load a new image?
Sh flash
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Global unicast range
TKIP and WEP

23. Sticky secure mac addresses are stored...
In the address table and added to the running config
Aes-ccmp
Destined for a single interface
Used with 6 to 4

24. What criteria does OSPF use to determine RID?
Yes
Ripv2 is classless - multicasts - allows authentication
Split horizon and holddown timers
Highest logical interface IP - then highest configured IP

25. OSPF hello packets are sent to which address?
Arp for the host
Ip ospf authentication - ip ospf authentication-key XXXXX
224.0.0.5
Highest logical interface IP - then highest configured IP

26. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
10 seconds with every 6th message being a full status message
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Same as ::...same as 0.0.0.0

27. What is the first action that a host will take when sending data to a host on a different network?
Sh frame-relay traffic
Arp for the host
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Bypass startup config - initial config mode - password recovery

28. How long is an IPv4 address?
1 - 2 - 5.5 - 11
32 bits
Compression - multilink support - authentication
FECN - BECN - DE

29. Which command shows pvc mappings between the router and the frame switch?
DLCI to an IP address
Sh frame-relay traffic
Sh frame-relay pvc
Per frame sequence counters and key mixing using temporal keys.

30. What is the default AD for RIP
TKIP and WEP
120
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Multicast range

31. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Highest logical interface IP - then highest configured IP
Sh frame-relay map
DSSS
Per frame sequence counters and key mixing using temporal keys.

32. What does config register 0x2100 do?
Boots to rommon
::1
Ignore nvram (password recovery)
Point to point

33. How often do LMI messages flow?
Same as ::...same as 0.0.0.0
Sh frame-relay map
10 seconds with every 6th message being a full status message
Sh ip int [interface]

34. What is the frame relay active state?
The address is removed from the pool until the confilct is resolved.
Publicly routable addresses
Sh ip eigrp neighbors
Operational pvc

35. Which command shows mac addresses of stations connected to switch ports?
Root and designated
Show arp
Point to point
Publicly routable addresses

36. What type of frame subinterface do you use for hub and spoke?
Q933a - cisco and ansi
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Point to point
No frame-relay inverse-arp

37. What are the two ppp authentication methods?
Pap and chap
Highest logical interface IP - then highest configured IP
Access-class
Aes-ccmp

38. class a private addresses
To provide routing to a destination not specified in the routing table and is outside the local network
10.0.0.0 to 10.255.255.255
Boots to rommon
Remote router's connection to the frame relay switch isn't working

39. confreg 2142
Triggered update - split horizon - route poisoning
One to many addresses...always start with ff
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)

40. Which 2 port roles forward traffic under 802.1w standard?
32 bits
Show frame-relay lmi
Sh frame-relay pvc
Root and designated

41. What commands create plain-text ospf authentication?
Examples and documentation
53
Ip ospf authentication - ip ospf authentication-key XXXXX
Sh flash

42. What information is supplied by CDP? (5)
23
Device identifier - address list - port identifier - capabilites list - platform
Q933a - cisco and ansi
Link-local unicast range

43. What are the steps in PPP authentication?
Link establishment - optional authentication - network layer protocol
It should be default-network
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
1023

44. What commands create md5 encrypted ospf 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
::1
Disconnect 3

45. tcp/udp port for DNS
Split horizon and holddown timers
53
Show arp
Ip ospf authentication - ip ospf authentication-key XXXXX

46. What are the three options for LMI in FR?
Q933a - cisco and ansi
Ipv6 rip <process-name> enable
Ripv2 is classless - multicasts - allows authentication
No frame-relay inverse-arp

47. tcp/udp port for SMTP
It should be default-network
Sh frame-relay traffic
25
Rommon

48. What 2 features did WPAV1 add to address WEP's weaknesses?
Debug ppp authentication
32 bits
Same subnet
Per frame sequence counters and key mixing using temporal keys.

49. What is wrong with this command 'ip default-route 10.1.1.1'?
It should be default-network
::1
Sh flash
Same subnet

50. IPv6 link-local address

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