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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 shows the amount of memory being used and whether there is enough room to load a new image?
Link-local unicast range
Rollover
Sh flash
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

2. What are the three options for LMI in FR?
Rollover
Q933a - cisco and ansi
100
Per frame sequence counters and key mixing using temporal keys.

3. Which two wireless encryption methods are based on RC4?
Boots to rommon
TKIP and WEP
0
Rommon

4. Sticky secure mac addresses are stored...
23
Sh flash
128 bits
In the address table and added to the running config

5. Which command assigns an IPv6 address to an interface?
Ipv6 address 2001:0:1:0::2/64 (example)
Sh frame-relay traffic
Yes
Ipv4 address in a mixed environment

6. IPv6 2001:0DB8::/32
Examples and documentation
Highest logical interface IP - then highest configured IP
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
32768

7. What commands create plain-text ospf authentication?
Q933a - cisco and ansi
Ip ospf authentication - ip ospf authentication-key XXXXX
Sh frame-relay pvc
Ripv2 is classless - multicasts - allows authentication

8. ipv6 global addresses start with ...
No frame-relay inverse-arp
Sh frame-relay map
Link establishment - optional authentication - network layer protocol
2000::/3

9. What type of cable connects the router's aux port to a modem?
Device identifier - address list - port identifier - capabilites list - platform
Rollover
Arp for the host
Sh arp and sh int

10. IPv6 unicast address
Destined for a single interface
Unique local unicast range
Compression - multilink support - authentication
It should be default-network

11. What is the default bridge STP priority?
32768
<ctrl><shift>6 then x
Show frame-relay lmi
Ip addresses are conserved if vlsm is not used for subnetting

12. Which command turns on IPv6 routing?
Ip ospf authentication - ip ospf authentication-key XXXXX
Sh frame-relay pvc
Ipv6 unicast-routing
Point to point

13. The frame relay dlci identifies the logical circuit between the ______ and the ______
128 bits
Show frame-relay lmi
Leased lines
Local router - frame relay WAN

14. IPv6 3FFF:FFFF::/32
Ip ospf authentication - ip ospf authentication-key XXXXX
Same subnet
Show arp
Examples and documentation

15. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
Ignore nvram (password recovery)
53
1 -2 - 5.5 - 11
Remote router's connection to the frame relay switch isn't working

16. What can you utilize by using PPP layer 2 encapsulation?
Nonbroadcast multi-access
0
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Compression - multilink support - authentication

17. tcp/udp port for POP3
2102
100
Per frame sequence counters and key mixing using temporal keys.
Publicly routable addresses

18. What is the order of preference in a routing table?
No LMI is being received by the switch or there is no service between the CPE and frame switch
Boots to rommon
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Like private ipv4 address - but can't be routed at all

19. class c private addresses
Sh frame-relay traffic
192.168.0.0 to 192.168.255.255
10.0.0.0 to 10.255.255.255
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

20. What encryption does WPA2 use
Point to point
Boots to rommon
Bypass startup config - initial config mode - password recovery
Aes-ccmp

21. At which layer should you begin troubleshooting QOS issues?
Network
Sh frame-relay pvc
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

22. Differences between ripv1 and ripv2
Only in the address table
Ripv2 is classless - multicasts - allows authentication
Sh ip eigrp neighbors
Per frame sequence counters and key mixing using temporal keys.

23. How long is an IPv4 address?
Destined for a single interface
Same as ::...same as 0.0.0.0
Ipv6 address 2001:0:1:0::2/64 (example)
32 bits

24. Name 2 reasons a serial connection can be in an up/down status?
Encapsulation mismatch and clock rate issues.
20
By default
Examples and documentation

25. name a situation where a default route would be appropriate...
Highest logical interface IP - then highest configured IP
To provide routing to a destination not specified in the routing table and is outside the local network
One to first of many addresses
Debug ip icmp

26. Which command shows global frame relay stats since the last router reload?
23
It should be default-network
Sh frame-relay traffic
Leased lines

27. tcp/udp port for telnet
<ctrl><shift>6 then x
Same as ::...same as 0.0.0.0
23
Operational pvc

28. tcp/udp port for SNMP
Ip addresses are conserved if vlsm is not used for subnetting
161
::1 same as 127.0.0.1
DLCI to an IP address

29. Which 2 port roles forward traffic under 802.1w standard?
Sh frame-relay pvc
Root and designated
Leased lines
Sh frame-relay traffic

30. What 3 things are necessary for 2 routers to establish ospf neighborship?
Q933a - cisco and ansi
Ipv4 address in a mixed environment
224.0.0.5
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

31. What is the default configuration register setting?
The address is removed from the pool until the confilct is resolved.
10 seconds with every 6th message being a full status message
No LMI is being received by the switch or there is no service between the CPE and frame switch
2102

32. Which command suspends a telnet session?
53
<ctrl><shift>6 then x
One
Link-local unicast range

33. Which command shows pvc mappings between the router and the frame switch?
10 seconds with every 6th message being a full status message
Sh frame-relay pvc
10.0.0.0 to 10.255.255.255
DLCI to an IP address

34. What is the frame relay active state?
Operational pvc
25
Split horizon and holddown timers
120

35. 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
<ctrl><shift>6 then x
Global unicast range
One to first of many addresses

36. What are the two ppp authentication methods?
69
It should be default-network
In the address table and added to the running config
Pap and chap

37. What 4 things are necessary for 2 routers to form an eigrp relationship?
To provide routing to a destination not specified in the routing table and is outside the local network
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
32 bits
192.168.0.0 to 192.168.255.255

38. What is the command to use an ACL for VTY access
Access-class
2102
120
Nonbroadcast multi-access

39. EIGRP summarizes at class boundaries...
Debug ip icmp
Triggered update - split horizon - route poisoning
By default
Same as ::...same as 0.0.0.0

40. Which command disables frame-relay inverse arp?
1023
No frame-relay inverse-arp
Same subnet
FECN - BECN - DE

41. 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
Local router - frame relay WAN
172.16.0.0 to 172.31.255.255
Sh frame-relay map

42. IPv6 link-local address

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43. udp port for DNS
53
Debug ppp authentication
To configure a route form an ISP router into a corporate network
Aes-ccmp

44. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
1 - 2 - 5.5 - 11
100
Private address. Can be routed locally - but not on Internet
192.168.0.0 to 192.168.255.255

45. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Sh ip ospf interface
Point to point
Sh vtp status
FECN - BECN - DE

46. class a private addresses
DLCI to an IP address
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
10.0.0.0 to 10.255.255.255
Boots to rommon

47. Which features did wpav4 add to address the weaknesses of WEP?
Local router - frame relay WAN
Point to point
DLCI to an IP address
Per frame sequence counters and key mixing using temporal keys.

48. Frame relay point to point interfaces emulate _______
Leased lines
172.16.0.0 to 172.31.255.255
Highest logical interface IP - then highest configured IP
Feature capabilities - hardware platform - run location and compression status

49. Does is-is support VLSM?
Ip ospf authentication - ip ospf authentication-key XXXXX
Yes
Ripv2 is classless - multicasts - allows authentication
32768

50. IPv6 0:0:0:0:0:0:192.168.100.1
Ipv4 address in a mixed environment
Remote router's connection to the frame relay switch isn't working
DLCI to an IP address
Bypass startup config - initial config mode - password recovery