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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 does config register 0x2100 do?
Ip addresses are conserved if vlsm is not used for subnetting
Show frame-relay lmi
Nonbroadcast multi-access
Boots to rommon

2. What command displays the CHAP authentication process in real time?
Debug ppp authentication
Sh ip int [interface]
::1
Destined for a single interface

3. Which command assigns an IPv6 address to an interface?
Like private ipv4 address - but can't be routed at all
No frame-relay inverse-arp
10.0.0.0 to 10.255.255.255
Ipv6 address 2001:0:1:0::2/64 (example)

4. name a situation where a static route would be appropriate...
To configure a route form an ISP router into a corporate network
Link-local unicast range
Used with 6 to 4
Q933a - cisco and ansi

5. At which layer should you begin troubleshooting QOS issues?
Network
Ip ospf authentication - ip ospf authentication-key XXXXX
Examples and documentation
Leased lines

6. What is the default AD for RIP
Nonbroadcast multi-access
120
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 ip route eigrp

7. Which 2 port roles forward traffic under 802.1w standard?
By default
Root and designated
The address is removed from the pool until the confilct is resolved.
Examples and documentation

8. What is the ipv6 loopback address?
::1
In the address table and added to the running config
Sh frame-relay pvc
Sh frame-relay pvc

9. IPv6 2002::/16
Remote router's connection to the frame relay switch isn't working
Used with 6 to 4
Sh arp and sh int
Destined for a single interface

10. Static secure mac addresses are stored...
Ipv6 unicast-routing
25
In the address table and added to the running config
Root and designated

11. IPv6 0:0:0:0:0:0:0:1
Highest logical interface IP - then highest configured IP
Ip ospf authentication - ip ospf authentication-key XXXXX
::1 same as 127.0.0.1
69

12. Which command suspends a telnet session?
Ignore nvram (password recovery)
2000::/3
<ctrl><shift>6 then x
Operational pvc

13. what 3 things can be deduced from the IOS image file name?
10 seconds with every 6th message being a full status message
Ripv2 is classless - multicasts - allows authentication
Destined for a single interface
Feature capabilities - hardware platform - run location and compression status

14. Which command turns on IPv6 routing?
Ipv6 unicast-routing
Feature capabilities - hardware platform - run location and compression status
Like private ipv4 address - but can't be routed at all
20

15. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Debug ip icmp
Sh ip ospf interface
21
By default

16. Which command shows pvc mappings between the router and the frame switch?
Per frame sequence counters and key mixing using temporal keys.
Sh frame-relay pvc
Highest logical interface IP - then highest configured IP
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

17. class b private addresses
Show arp
Rollover
172.16.0.0 to 172.31.255.255
Boots to rommon

18. What is the order of preference in a routing table?
Ip ospf authentication - ip ospf authentication-key XXXXX
<ctrl><shift>6 then x
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

19. What type of frame subinterface do you use for hub and spoke?
Boots to rommon
Triggered update - split horizon - route poisoning
Point to point
53

20. What does a frame relay pvc status of inactive indicate?
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 map
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Ip addresses are conserved if vlsm is not used for subnetting

21. What sequence of commands creates encrypted eigrp authentication
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
FECN - BECN - DE
One
Ip ospf authentication - ip ospf authentication-key XXXXX

22. IPv6 FF00::/8
Debug ip icmp
Multicast range
DSSS
Publicly routable addresses

23. Inverse ARP maps a ______ to a ________
The address is removed from the pool until the confilct is resolved.
1544 kbps
Local router - frame relay WAN
DLCI to an IP address

24. IPv6 2001:0DB8::/32
Examples and documentation
69
Decimal - Hex
Arp for the host

25. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
1 -2 - 5.5 - 11
Show frame-relay lmi
Sh ip eigrp neighbors
It should be default-network

26. Which command shows frame relay status and keep-alive information?
By default
Sh ip route eigrp
Access-class
Show frame-relay lmi

27. What criteria does OSPF use to determine RID?
Highest logical interface IP - then highest configured IP
Device identifier - address list - port identifier - capabilites list - platform
One to many addresses...always start with ff
Sh arp and sh int

28. What command kills telnet session #3?
Device identifier - address list - port identifier - capabilites list - platform
Sh frame-relay traffic
Disconnect 3
21

29. confreg 2120
::1
Rommon
Sh ip int [interface]
53

30. IPv6 0:0:0:0:0:0:192.168.100.1
TKIP and WEP
Pap and chap
Ipv4 address in a mixed environment
1023

31. The frame relay dlci identifies the logical circuit between the ______ and the ______
Local router - frame relay WAN
Nonbroadcast multi-access
Per frame sequence counters and key mixing using temporal keys.
Like private ipv4 address - but can't be routed at all

32. Frame relay point to point interfaces emulate _______
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Link establishment - optional authentication - network layer protocol
Ipv4 address in a mixed environment
Leased lines

33. class a private addresses
Point to point
DLCI to an IP address
10.0.0.0 to 10.255.255.255
Ip addresses are conserved if vlsm is not used for subnetting

34. What is the default bridge STP priority?
Network
25
Same subnet
32768

35. tcp/udp port for FTP data
224.0.0.5
One to first of many addresses
10 seconds with every 6th message being a full status message
20

36. How long is an IPv6 address?
161
To configure a route form an ISP router into a corporate network
128 bits
Yes

37. Which command shows mac addresses of stations connected to switch ports?
To provide routing to a destination not specified in the routing table and is outside the local network
Show arp
Sh ip int [interface]
1544 kbps

38. Differences between ripv1 and ripv2
::1 same as 127.0.0.1
224.0.0.5
Triggered update - split horizon - route poisoning
Ripv2 is classless - multicasts - allows authentication

39. What are the three types of congestion notification used by frame relay?
FECN - BECN - DE
Sh frame-relay map
Network
Sh vtp status

40. What is the command to use an ACL for VTY access
FECN - BECN - DE
Access-class
Device identifier - address list - port identifier - capabilites list - platform
Disconnect 3

41. confreg 2142
No LMI is being received by the switch or there is no service between the CPE and frame switch
In the address table and added to the running config
Remote router's connection to the frame relay switch isn't working
Ignore nvram (password recovery)

42. Sticky secure mac addresses are stored...
Network
Arp for the host
Link establishment - optional authentication - network layer protocol
In the address table and added to the running config

43. What type of frame subinterface do you use for hub and spoke?
Point to point
Sh frame-relay pvc
It should be default-network
Sh frame-relay traffic

44. What are the steps in PPP authentication?
DSSS
Sh ip route eigrp
No LMI is being received by the switch or there is no service between the CPE and frame switch
Link establishment - optional authentication - network layer protocol

45. What 3 things are necessary for 2 routers to establish ospf neighborship?
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Examples and documentation
32 bits
10.0.0.0 to 10.255.255.255

46. What 4 things are necessary for 2 routers to form an eigrp relationship?
Ip addresses are conserved if vlsm is not used for subnetting
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
Aes-ccmp
Rollover

47. tcp/udp port for SNMP
::1 same as 127.0.0.1
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Global unicast range
161

48. IPv6 0:0:0:0:0:0:0:0
Rommon
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Boots to rommon
Same as ::...same as 0.0.0.0

49. What commands create plain-text ospf authentication?
Ip ospf authentication - ip ospf authentication-key XXXXX
Arp for the host
No frame-relay inverse-arp
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

50. What are the two ppp authentication methods?
Pap and chap
Encapsulation mismatch and clock rate issues.
Local router - frame relay WAN
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