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CCNA Updated

Instructions:

Answer 50 questions in 15 minutes.
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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. Which command turns on RIPng for ipv6?
Same subnet
69
32768
Ipv6 rip <process-name> enable

2. IPv6 0:0:0:0:0:0:192.168.100.1
Ipv4 address in a mixed environment
0
192.168.0.0 to 192.168.255.255
::1 same as 127.0.0.1

3. Frame relay point to point interfaces emulate _______
Leased lines
Sh ip eigrp neighbors
Ipv6 unicast-routing
DLCI to an IP address

4. What is the default AD for RIP
120
Disconnect 3
Show arp
172.16.0.0 to 172.31.255.255

5. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Sh frame-relay map
Q933a - cisco and ansi
Same as ::...same as 0.0.0.0
Ripv2 is classless - multicasts - allows authentication

6. What is the command to use an ACL for VTY access
Access-class
Sh ip int [interface]
One to many addresses...always start with ff
Multicast range

7. Which command shows frame relay status and keep-alive information?
TKIP and WEP
Examples and documentation
Show frame-relay lmi
128 bits

8. class a private addresses
10.0.0.0 to 10.255.255.255
Per frame sequence counters and key mixing using temporal keys.
1 - 2 - 5.5 - 11
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

9. What is the frame relay active state?
Decimal - Hex
No frame-relay inverse-arp
Operational pvc
Sh frame-relay map

10. What 4 things are necessary for 2 routers to form an eigrp relationship?
Sh frame-relay pvc
120
Yes
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

11. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
1 - 2 - 5.5 - 11
In the address table and added to the running config
Arp for the host
1544 kbps

12. IPv6 unique local address
Private address. Can be routed locally - but not on Internet
100
Leased lines
FECN - BECN - DE

13. confreg 2142
Ignore nvram (password recovery)
One
Boots to rommon
::1 same as 127.0.0.1

14. What information is supplied by CDP? (5)
By default
Ipv6 rip <process-name> enable
Show arp
Device identifier - address list - port identifier - capabilites list - platform

15. What spread spectrum technology does 802.11b use?
DSSS
Device identifier - address list - port identifier - capabilites list - platform
By default
23

16. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
Local router - frame relay WAN
Ipv4 address in a mixed environment
Sh ip eigrp neighbors
120

17. Which command assigns an IPv6 address to an interface?
Ipv6 address 2001:0:1:0::2/64 (example)
Sh frame-relay pvc
No LMI is being received by the switch or there is no service between the CPE and frame switch
To configure a route form an ISP router into a corporate network

18. Which command disables frame-relay inverse arp?
192.168.0.0 to 192.168.255.255
No frame-relay inverse-arp
69
Ipv6 unicast-routing

19. Which command shows mac addresses of stations connected to switch ports?
Show arp
One to first of many addresses
Same as ::...same as 0.0.0.0
One to many addresses...always start with ff

20. What does a frame relay pvc status of inactive indicate?
Yes
32768
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
By default

21. what 3 things can be deduced from the IOS image file name?
Encapsulation mismatch and clock rate issues.
Sh vtp status
10.0.0.0 to 10.255.255.255
Feature capabilities - hardware platform - run location and compression status

22. What type of cable connects the router's aux port to a modem?
20
Rollover
Triggered update - split horizon - route poisoning
DSSS

23. What are the three options for LMI in FR?
Ignore nvram (password recovery)
One to first of many addresses
Q933a - cisco and ansi
Sh frame-relay traffic

24. What commands create md5 encrypted ospf authentication?
Sh vtp status
Highest logical interface IP - then highest configured IP
TKIP and WEP
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

25. tcp/udp port for DNS
Publicly routable addresses
Sh frame-relay map
53
Sh ip route eigrp

26. What command kills telnet session #3?
Show arp
128 bits
Disconnect 3
Local router - frame relay WAN

27. At which layer should you begin troubleshooting QOS issues?
Global unicast range
69
Network
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

28. class b private addresses
172.16.0.0 to 172.31.255.255
Sh ip ospf interface
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Ripv2 is classless - multicasts - allows authentication

29. What does ripv2 do to prevent routing loops?
Split horizon and holddown timers
69
21
Global unicast range

30. udp port for DNS
Root and designated
10.0.0.0 to 10.255.255.255
53
No LMI is being received by the switch or there is no service between the CPE and frame switch

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

32. What type of frame subinterface do you use for hub and spoke?
Decimal - Hex
In the address table and added to the running config
Point to point
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

33. Which features did wpav4 add to address the weaknesses of WEP?
Operational pvc
::1
Per frame sequence counters and key mixing using temporal keys.
1023

34. How long is an IPv4 address?
32 bits
Network
1 - 2 - 5.5 - 11
No frame-relay inverse-arp

35. What rule does dhcp use when an IP address conflict is detected?
Ipv6 rip <process-name> enable
One
Ipv6 address 2001:0:1:0::2/64 (example)
The address is removed from the pool until the confilct is resolved.

36. Which 2 commands show IP address associated with a MAC address
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 arp and sh int
Decimal - Hex
Triggered update - split horizon - route poisoning

37. OSPF hello packets are sent to which address?
Root and designated
DLCI to an IP address
Device identifier - address list - port identifier - capabilites list - platform
224.0.0.5

38. What is the default configuration register setting?
DSSS
100
2102
Ripv2 is classless - multicasts - allows authentication

39. What are the steps in PPP authentication?
Sh frame-relay traffic
Link establishment - optional authentication - network layer protocol
Unique local unicast range
172.16.0.0 to 172.31.255.255

40. Which command disables frame-relay inverse arp?
Same subnet
No frame-relay inverse-arp
100
10 seconds with every 6th message being a full status message

41. IPv6 0:0:0:0:0:0:0:0
32768
Compression - multilink support - authentication
Sh flash
Same as ::...same as 0.0.0.0

42. What is the default bridge STP priority?
Boots to rommon
Rollover
::1 same as 127.0.0.1
32768

43. What is the order of preference in a routing table?
Decimal - Hex
23
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

44. Inverse ARP maps a ______ to a ________
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
DLCI to an IP address
1023
25

45. tcp/udp port for TFTP
53
69
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
161

46. What commands create plain-text ospf authentication?
Aes-ccmp
Same subnet
Ip ospf authentication - ip ospf authentication-key XXXXX
Ipv6 rip <process-name> enable

47. What can you utilize by using PPP layer 2 encapsulation?
Debug ip icmp
100
Device identifier - address list - port identifier - capabilites list - platform
Compression - multilink support - authentication

48. What does config register 0x2142 do?
No LMI is being received by the switch or there is no service between the CPE and frame switch
One
Aes-ccmp
Bypass startup config - initial config mode - password recovery

49. tcp/udp port for SMTP
FECN - BECN - DE
32 bits
<ctrl><shift>6 then x
25

50. what command shows which vtp server updated the switch
2102
Sh vtp status
No frame-relay inverse-arp
Examples and documentation