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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?
Examples and documentation
In the address table and added to the running config
Debug ppp authentication
Sh ip ospf interface

2. How does ripv2 respond to topology changes?
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
Link establishment - optional authentication - network layer protocol
Triggered update - split horizon - route poisoning
Debug ppp authentication

3. class a private addresses
Destined for a single interface
10.0.0.0 to 10.255.255.255
Network
Unique local unicast range

4. IPv6 2000::/3
Global unicast range
Sh flash
Ipv6 unicast-routing
No LMI is being received by the switch or there is no service between the CPE and frame switch

5. What are the three types of congestion notification used by frame relay?
DSSS
Sh frame-relay traffic
FECN - BECN - DE
Point to point

6. name a situation where a static route would be appropriate...
Used with 6 to 4
21
To configure a route form an ISP router into a corporate network
Leased lines

7. Which command turns on IPv6 routing?
Ipv6 unicast-routing
Destined for a single interface
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

8. At which layer should you begin troubleshooting QOS issues?
Network
In the address table and added to the running config
Ignore nvram (password recovery)
Examples and documentation

9. What is the command to use an ACL for VTY access
Pap and chap
DLCI to an IP address
0
Access-class

10. confreg 2120
DSSS
Rommon
Ignore nvram (password recovery)
Sh ip eigrp neighbors

11. What commands create md5 encrypted ospf authentication?
Per frame sequence counters and key mixing using temporal keys.
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Point to point

12. By default - FR is classified as what type of physical network?
Sh frame-relay pvc
Sh arp and sh int
Compression - multilink support - authentication
Nonbroadcast multi-access

13. What does a frame relay pvc status of inactive indicate?
Decimal - Hex
DSSS
Destined for a single interface
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

14. Which features did wpav4 add to address the weaknesses of WEP?
Per frame sequence counters and key mixing using temporal keys.
21
Sh flash
Link establishment - optional authentication - network layer protocol

15. class b private addresses
Sh arp and sh int
One to many addresses...always start with ff
Used with 6 to 4
172.16.0.0 to 172.31.255.255

16. What is the default AD for RIP
2102
Destined for a single interface
53
120

17. What is the LMI DLCI used in ANSI?
53
0
Sh frame-relay traffic
Sh ip eigrp neighbors

18. tcp/udp port for FTP data
2102
No frame-relay inverse-arp
Local router - frame relay WAN
20

19. Static secure mac addresses are stored...
In the address table and added to the running config
Root and designated
Feature capabilities - hardware platform - run location and compression status
128 bits

20. Which command shows global frame relay stats since the last router reload?
Per frame sequence counters and key mixing using temporal keys.
To provide routing to a destination not specified in the routing table and is outside the local network
::1
Sh frame-relay traffic

21. Which command shows only EIGRP routes?
100
Sh ip route eigrp
::1 same as 127.0.0.1
To configure a route form an ISP router into a corporate network

22. What command is used to debug the ping command?
Debug ip icmp
One
Sh frame-relay map
Highest logical interface IP - then highest configured IP

23. IPv6 global unicast addresses
One to first of many addresses
192.168.0.0 to 192.168.255.255
Ignore nvram (password recovery)
Publicly routable addresses

24. What is the frame relay inactive state?

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25. Which command shows if an acl is applied to an interface?
Root and designated
Private address. Can be routed locally - but not on Internet
Sh ip int [interface]
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

26. Inverse ARP maps a ______ to a ________
Same as ::...same as 0.0.0.0
To configure a route form an ISP router into a corporate network
Rommon
DLCI to an IP address

27. What is the frame relay active state?
Rommon
1023
Encapsulation mismatch and clock rate issues.
Operational pvc

28. What are the steps in PPP authentication?
0
Link establishment - optional authentication - network layer protocol
23
25

29. Which two wireless encryption methods are based on RC4?
172.16.0.0 to 172.31.255.255
Disconnect 3
Aes-ccmp
TKIP and WEP

30. tcp/udp port for telnet
21
Debug ip icmp
23
Examples and documentation

31. What command kills telnet session #3?
Debug ip icmp
Pap and chap
Disconnect 3
Leased lines

32. Which command shows global frame relay stats since the last router reload?
Sh frame-relay traffic
No frame-relay inverse-arp
Sh ip route eigrp
Disconnect 3

33. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Ignore nvram (password recovery)
Ipv6 unicast-routing
Debug ip icmp
Ip addresses are conserved if vlsm is not used for subnetting

34. tcp/udp port for SNMP
Like private ipv4 address - but can't be routed at all
Ipv6 address 2001:0:1:0::2/64 (example)
161
Root and designated

35. The frame relay dlci identifies the logical circuit between the ______ and the ______
Ip addresses are conserved if vlsm is not used for subnetting
Local router - frame relay WAN
Encapsulation mismatch and clock rate issues.
Rollover

36. What 2 features did WPAV1 add to address WEP's weaknesses?
Per frame sequence counters and key mixing using temporal keys.
Ignore nvram (password recovery)
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
No frame-relay inverse-arp

37. IPv6 link-local address

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38. What is the order of preference in a routing table?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Device identifier - address list - port identifier - capabilites list - platform
Multicast range
Sh vtp status

39. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
120
Operational 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
Decimal - Hex

40. confreg 2142
Show frame-relay lmi
Sh ip ospf interface
Disconnect 3
Ignore nvram (password recovery)

41. EIGRP summarizes at class boundaries...
Link establishment - optional authentication - network layer protocol
By default
Ip ospf authentication - ip ospf authentication-key XXXXX
Feature capabilities - hardware platform - run location and compression status

42. What is the ipv6 loopback adddress?
0
::1
Rommon
Sh frame-relay traffic

43. What can you utilize by using PPP layer 2 encapsulation?
Network
Compression - multilink support - authentication
32 bits
No LMI is being received by the switch or there is no service between the CPE and frame switch

44. Frame relay point to point interfaces emulate _______
Leased lines
Global unicast range
Sh frame-relay pvc
One to many addresses...always start with ff

45. IPv6 2001:0DB8::/32
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Examples and documentation
Bypass startup config - initial config mode - password recovery
Pap and chap

46. What is the ipv6 loopback address?
::1
23
Aes-ccmp
Ignore nvram (password recovery)

47. ipv6 global addresses start with ...
53
2000::/3
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
21

48. What is the frame relay deleted state?
No LMI is being received by the switch or there is no service between the CPE and frame switch
Encapsulation mismatch and clock rate issues.
Operational pvc
32768

49. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Unique local unicast range
Show arp
1544 kbps
Q933a - cisco and ansi

50. What criteria does OSPF use to determine RID?
2102
Destined for a single interface
Show frame-relay lmi
Highest logical interface IP - then highest configured IP