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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. class a private addresses
10.0.0.0 to 10.255.255.255
Split horizon and holddown timers
Examples and documentation
One to many addresses...always start with ff

2. IPv6 multicast address
One to many addresses...always start with ff
Private address. Can be routed locally - but not on Internet
Boots to rommon
Same as ::...same as 0.0.0.0

3. Which command suspends a telnet session?
TKIP and WEP
<ctrl><shift>6 then x
Ip addresses are conserved if vlsm is not used for subnetting
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

4. IPv6 FF00::/8
Examples and documentation
Multicast range
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
2102

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

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6. confreg 2142
DLCI to an IP address
In the address table and added to the running config
128 bits
Ignore nvram (password recovery)

7. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
53
Decimal - Hex
Only in the address table

8. name a situation where a default route would be appropriate...
224.0.0.5
To provide routing to a destination not specified in the routing table and is outside the local network
TKIP and WEP
Global unicast range

9. class b private addresses
172.16.0.0 to 172.31.255.255
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Sh vtp status
In the address table and added to the running config

10. What type of frame subinterface do you use for hub and spoke?
224.0.0.5
Show frame-relay lmi
Point to point
Aes-ccmp

11. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
Compression - multilink support - authentication
Examples and documentation
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Decimal - Hex

12. What does ripv2 do to prevent routing loops?
Point to point
Split horizon and holddown timers
1544 kbps
Ip addresses are conserved if vlsm is not used for subnetting

13. IPv6 FE80::/10
Sh ip route eigrp
Device identifier - address list - port identifier - capabilites list - platform
Link-local unicast range
No LMI is being received by the switch or there is no service between the CPE and frame switch

14. Which two wireless encryption methods are based on RC4?
23
Network
TKIP and WEP
128 bits

15. What is the ipv6 loopback address?
Link establishment - optional authentication - network layer protocol
Split horizon and holddown timers
::1
Leased lines

16. Which command turns on RIPng for ipv6?
Ipv6 unicast-routing
DSSS
Ipv6 rip <process-name> enable
120

17. What is the default bridge STP priority?
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
Highest logical interface IP - then highest configured IP
Nonbroadcast multi-access
32768

18. IPv6 link-local address

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19. What is the frame relay deleted state?
Unique local unicast range
Access-class
Examples and documentation
No LMI is being received by the switch or there is no service between the CPE and frame switch

20. What rule does dhcp use when an IP address conflict is detected?
Disconnect 3
Ip addresses are conserved if vlsm is not used for subnetting
The address is removed from the pool until the confilct is resolved.
No frame-relay inverse-arp

21. What spread spectrum technology does 802.11b use?
In the address table and added to the running config
DSSS
Decimal - Hex
Examples and documentation

22. What is the command to use an ACL for VTY access
Sh frame-relay map
Triggered update - split horizon - route poisoning
Access-class
Point to point

23. What commands create md5 encrypted ospf authentication?
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Ipv6 address 2001:0:1:0::2/64 (example)
Compression - multilink support - authentication
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

24. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
One to first of many addresses
Point to point
Sh frame-relay map
Rommon

25. Differences between ripv1 and ripv2
Pap and chap
Same subnet
To configure a route form an ISP router into a corporate network
Ripv2 is classless - multicasts - allows authentication

26. confreg 2120
Ipv6 address 2001:0:1:0::2/64 (example)
21
Rommon
Sh frame-relay pvc

27. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
Ripv2 is classless - multicasts - allows authentication
TKIP and WEP
One to many addresses...always start with ff
1 - 2 - 5.5 - 11

28. EIGRP summarizes at class boundaries...
25
By default
Highest logical interface IP - then highest configured IP
Ipv4 address in a mixed environment

29. What 4 things are necessary for 2 routers to form an eigrp relationship?
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
Per frame sequence counters and key mixing using temporal keys.
Sh frame-relay pvc
Encapsulation mismatch and clock rate issues.

30. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Sh arp and sh int
1023
1544 kbps
Sh flash

31. How often do LMI messages flow?
Bypass startup config - initial config mode - password recovery
Sh vtp status
Destined for a single interface
10 seconds with every 6th message being a full status message

32. What are the two ppp authentication methods?
Sh arp and sh int
Pap and chap
20
Triggered update - split horizon - route poisoning

33. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
In the address table and added to the running config
::1
Sh ip eigrp neighbors
Sh ip int [interface]

34. What 3 things are necessary for 2 routers to establish ospf neighborship?
Ipv6 unicast-routing
Disconnect 3
One to first of many addresses
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

35. Which command shows if an acl is applied to an interface?
25
Show arp
192.168.0.0 to 192.168.255.255
Sh ip int [interface]

36. Dynamic secure mac addresses are stored...
53
By default
Only in the address table
Pap and chap

37. What is the frame relay inactive state?

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38. tcp/udp port for TFTP
69
Sh frame-relay map
No LMI is being received by the switch or there is no service between the CPE and frame switch
Sh ip route eigrp

39. At which layer should you begin troubleshooting QOS issues?
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
Network
Show frame-relay lmi

40. What type of cable connects the router's aux port to a modem?
Sh ip eigrp neighbors
Multicast range
Rollover
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

41. tcp/udp port for SNMP
1023
Publicly routable addresses
Global unicast range
161

42. Which command shows frame relay status and keep-alive information?
Show frame-relay lmi
Examples and documentation
1023
10 seconds with every 6th message being a full status message

43. Which command shows frame relay status and keep-alive information?
Pap and chap
Root and designated
Show frame-relay lmi
Leased lines

44. What does a frame relay pvc status of inactive indicate?
Q933a - cisco and ansi
Debug ppp authentication
The address is removed from the pool until the confilct is resolved.
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

45. Which command shows mac addresses of stations connected to switch ports?
192.168.0.0 to 192.168.255.255
DLCI to an IP address
Show arp
Multicast range

46. Which command shows global frame relay stats since the last router reload?
53
Sh frame-relay traffic
Unique local unicast range
128 bits

47. IPv6 anycast address
100
Sh frame-relay pvc
One to first of many addresses
Yes

48. The frame relay dlci identifies the logical circuit between the ______ and the ______
One to first of many addresses
DLCI to an IP address
Local router - frame relay WAN
In the address table and added to the running config

49. What 2 features did WPAV1 add to address WEP's weaknesses?
DSSS
Per frame sequence counters and key mixing using temporal keys.
Sh ip eigrp neighbors
Local router - frame relay WAN

50. What does config register 0x2100 do?
224.0.0.5
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Boots to rommon
Sh frame-relay pvc