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CCNA Updated

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
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. What command displays the CHAP authentication process in real time?
Show frame-relay lmi
Debug ppp authentication
Yes
Debug ip icmp

2. What type of frame subinterface do you use for hub and spoke?
32768
One to first of many addresses
Per frame sequence counters and key mixing using temporal keys.
Point to point

3. What spread spectrum technology does 802.11b use?
DSSS
Show frame-relay lmi
69
Examples and documentation

4. name a situation where a static route would be appropriate...
161
Compression - multilink support - authentication
DLCI to an IP address
To configure a route form an ISP router into a corporate network

5. IPv6 0:0:0:0:0:0:192.168.100.1
In the address table and added to the running config
Ipv6 address 2001:0:1:0::2/64 (example)
Ipv4 address in a mixed environment
Sh frame-relay pvc

6. What is the ipv6 loopback address?
Examples and documentation
::1
Bypass startup config - initial config mode - password recovery
Compression - multilink support - authentication

7. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
The address is removed from the pool until the confilct is resolved.
Used with 6 to 4
Ipv6 unicast-routing

8. Which command shows mac addresses of stations connected to switch ports?
Show arp
224.0.0.5
Sh frame-relay traffic
Ripv2 is classless - multicasts - allows authentication

9. IPv6 global unicast addresses
Decimal - Hex
161
Publicly routable addresses
DSSS

10. class a private addresses
2000::/3
10.0.0.0 to 10.255.255.255
One to many addresses...always start with ff
Multicast range

11. What commands create md5 encrypted ospf authentication?
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
No frame-relay inverse-arp
Sh frame-relay traffic
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

12. At which layer should you begin troubleshooting QOS issues?
To configure a route form an ISP router into a corporate network
Destined for a single interface
Network
172.16.0.0 to 172.31.255.255

13. What command shows the amount of memory being used and whether there is enough room to load a new image?
To configure a route form an ISP router into a corporate network
Sh flash
Local router - frame relay WAN
No frame-relay inverse-arp

14. What command shows the status of PVC - FECN - BECN
::1 same as 127.0.0.1
32768
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

15. What is the LMI DLCI used in ANSI?
Split horizon and holddown timers
0
Operational pvc
Feature capabilities - hardware platform - run location and compression status

16. What does config register 0x2100 do?
Bypass startup config - initial config mode - password recovery
Ipv6 unicast-routing
Boots to rommon
Unique local unicast range

17. Which command shows global frame relay stats since the last router reload?
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Examples and documentation
Sh frame-relay traffic
192.168.0.0 to 192.168.255.255

18. Frame relay point to point interfaces emulate _______
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Leased lines
To configure a route form an ISP router into a corporate network
100

19. What are the steps in PPP authentication?
::1 same as 127.0.0.1
Link establishment - optional authentication - network layer protocol
Multicast range
Unique local unicast range

20. What can you utilize by using PPP layer 2 encapsulation?
Compression - multilink support - authentication
Yes
2000::/3
10.0.0.0 to 10.255.255.255

21. 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
Rommon
128 bits
In the address table and added to the running config

22. Which command assigns an IPv6 address to an interface?
One to many addresses...always start with ff
Ipv6 address 2001:0:1:0::2/64 (example)
Operational pvc
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

23. What 3 things are necessary for 2 routers to establish ospf neighborship?
Show arp
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Highest logical interface IP - then highest configured IP

24. class c private addresses
Bypass startup config - initial config mode - password recovery
2102
1023
192.168.0.0 to 192.168.255.255

25. Which 2 commands show IP address associated with a MAC address
Only in the address table
Operational pvc
Arp for the host
Sh arp and sh int

26. What is the frame relay inactive state?

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27. What is the LMI DLCI used in Cisco?
192.168.0.0 to 192.168.255.255
Encapsulation mismatch and clock rate issues.
1023
One to first of many addresses

28. IPv6 0:0:0:0:0:0:0:1
::1 same as 127.0.0.1
Link establishment - optional authentication - network layer protocol
Local router - frame relay WAN
25

29. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
Operational pvc
Pap and chap
Show frame-relay lmi
Sh ip eigrp neighbors

30. What type of frame subinterface do you use for hub and spoke?
Point to point
69
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Destined for a single interface

31. What 2 features did WPAV1 add to address WEP's weaknesses?
Triggered update - split horizon - route poisoning
21
Per frame sequence counters and key mixing using temporal keys.
Decimal - Hex

32. IPv6 anycast address
One to first of many addresses
Debug ppp authentication
0
::1 same as 127.0.0.1

33. Sticky secure mac addresses are stored...
Global unicast range
Decimal - Hex
21
In the address table and added to the running config

34. Which features did wpav4 add to address the weaknesses of WEP?
Ipv6 unicast-routing
Per frame sequence counters and key mixing using temporal keys.
128 bits
Ip addresses are conserved if vlsm is not used for subnetting

35. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
20
Debug ppp authentication
No frame-relay inverse-arp
One

36. What is wrong with this command 'ip default-route 10.1.1.1'?
It should be default-network
::1
Link-local unicast range
120

37. tcp/udp port for SNMP
::1
Show frame-relay lmi
Destined for a single interface
161

38. What is the frame relay deleted state?
161
No LMI is being received by the switch or there is no service between the CPE and frame switch
Ripv2 is classless - multicasts - allows authentication
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

39. What criteria does OSPF use to determine RID?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Highest logical interface IP - then highest configured IP
1023
Device identifier - address list - port identifier - capabilites list - platform

40. 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.
21
Same subnet
Rommon

41. What does a frame relay pvc status of inactive indicate?
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Sh vtp status
Examples and documentation
Sh frame-relay pvc

42. tcp/udp port for TFTP
Split horizon and holddown timers
161
69
Show frame-relay lmi

43. tcp/udp port for FTP control
161
Access-class
21
Decimal - Hex

44. IPv6 2000::/3
Decimal - Hex
69
Global unicast range
10 seconds with every 6th message being a full status message

45. What command is used to debug the ping command?
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Decimal - Hex
One
Debug ip icmp

46. Which command shows only EIGRP routes?
128 bits
Ip ospf authentication - ip ospf authentication-key XXXXX
Sh ip route eigrp
21

47. What are the two ppp authentication methods?
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Only in the address table
Pap and chap
Split horizon and holddown timers

48. What does ripv2 do to prevent routing loops?
32 bits
Device identifier - address list - port identifier - capabilites list - platform
Split horizon and holddown timers
Ip addresses are conserved if vlsm is not used for subnetting

49. What type of cable connects the router's aux port to a modem?
2000::/3
Rollover
Ripv2 is classless - multicasts - allows authentication
In the address table and added to the running config

50. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Aes-ccmp
Split horizon and holddown timers
Ipv6 address 2001:0:1:0::2/64 (example)
1544 kbps