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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 3 things can be deduced from the IOS image file name?
Bypass startup config - initial config mode - password recovery
Feature capabilities - hardware platform - run location and compression status
Ipv4 address in a mixed environment
::1 same as 127.0.0.1

2. ipv6 global addresses start with ...
Sh ip int [interface]
2000::/3
Operational pvc
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

3. What spread spectrum technology does 802.11b use?
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
DSSS
Triggered update - split horizon - route poisoning
Sh ip route eigrp

4. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Highest logical interface IP - then highest configured IP
Sh frame-relay map
25
One to first of many addresses

5. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
Show frame-relay lmi
Decimal - Hex
128 bits
Show arp

6. What command shows the amount of memory being used and whether there is enough room to load a new image?
Sh flash
1 - 2 - 5.5 - 11
Unique local unicast range
The address is removed from the pool until the confilct is resolved.

7. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Link establishment - optional authentication - network layer protocol
1544 kbps
Used with 6 to 4

8. At which layer should you begin troubleshooting QOS issues?
Ip ospf authentication - ip ospf authentication-key XXXXX
Sh frame-relay traffic
Ipv6 rip <process-name> enable
Network

9. tcp/udp port for TFTP
Boots to rommon
Ripv2 is classless - multicasts - allows authentication
69
Same subnet

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

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11. tcp/udp port for SNMP
Examples and documentation
Sh ip route eigrp
161
::1

12. Does is-is support VLSM?
DLCI to an IP address
Unique local unicast range
Like private ipv4 address - but can't be routed at all
Yes

13. udp port for DNS
53
Sh frame-relay pvc
Remote router's connection to the frame relay switch isn't working
::1 same as 127.0.0.1

14. Which command shows if an acl is applied to an interface?
Bypass startup config - initial config mode - password recovery
25
Sh ip int [interface]
Like private ipv4 address - but can't be routed at all

15. tcp/udp port for POP3
0
100
::1
Ip ospf authentication - ip ospf authentication-key XXXXX

16. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
No frame-relay inverse-arp
Same subnet
1023
Split horizon and holddown timers

17. By default - FR is classified as what type of physical network?
25
No frame-relay inverse-arp
1544 kbps
Nonbroadcast multi-access

18. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
DSSS
21
To configure a route form an ISP router into a corporate network
1 - 2 - 5.5 - 11

19. What is the LMI DLCI used in Cisco?
Pap and chap
1023
Operational pvc
Examples and documentation

20. What is the ipv6 loopback adddress?
Private address. Can be routed locally - but not on Internet
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
One to first of many addresses
::1

21. What type of frame subinterface do you use for hub and spoke?
One to first of many addresses
In the address table and added to the running config
Point to point
It should be default-network

22. Frame relay point to point interfaces emulate _______
Leased lines
Device identifier - address list - port identifier - capabilites list - platform
1 -2 - 5.5 - 11
FECN - BECN - DE

23. Differences between ripv1 and ripv2
Operational pvc
Ripv2 is classless - multicasts - allows authentication
Private address. Can be routed locally - but not on Internet
Show arp

24. IPv6 0:0:0:0:0:0:0:1
Ipv6 address 2001:0:1:0::2/64 (example)
Used with 6 to 4
2000::/3
::1 same as 127.0.0.1

25. IPv6 global unicast addresses
Publicly routable addresses
Used with 6 to 4
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Root and designated

26. What command kills telnet session #3?
Ripv2 is classless - multicasts - allows authentication
Disconnect 3
Link establishment - optional authentication - network layer protocol
No LMI is being received by the switch or there is no service between the CPE and frame switch

27. Which two wireless encryption methods are based on RC4?
::1 same as 127.0.0.1
Yes
Triggered update - split horizon - route poisoning
TKIP and WEP

28. Which command shows frame relay status and keep-alive information?
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
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Show frame-relay lmi
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

29. How long is an IPv4 address?
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
53
32 bits
Yes

30. What is the first action that a host will take when sending data to a host on a different network?
Per frame sequence counters and key mixing using temporal keys.
Sh ip ospf interface
Arp for the host
Feature capabilities - hardware platform - run location and compression status

31. Inverse ARP maps a ______ to a ________
Sh ip ospf interface
Compression - multilink support - authentication
Examples and documentation
DLCI to an IP address

32. Which command turns on IPv6 routing?
10.0.0.0 to 10.255.255.255
Ipv6 unicast-routing
TKIP and WEP
To provide routing to a destination not specified in the routing table and is outside the local network

33. What is the order of preference in a routing table?
Publicly routable addresses
::1
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Ipv4 address in a mixed environment

34. What are the steps in PPP authentication?
Link establishment - optional authentication - network layer protocol
Network
Show arp
Unique local unicast range

35. What 4 things are necessary for 2 routers to form an eigrp relationship?
Ipv4 address in a mixed environment
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
Ipv6 unicast-routing
Sh ip int [interface]

36. What does ripv2 do to prevent routing loops?
0
Split horizon and holddown timers
Encapsulation mismatch and clock rate issues.
Link establishment - optional authentication - network layer protocol

37. What is the frame relay inactive state?

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38. tcp/udp port for FTP control
21
20
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Ignore nvram (password recovery)

39. confreg 2120
Rommon
TKIP and WEP
10 seconds with every 6th message being a full status message
Bypass startup config - initial config mode - password recovery

40. What command shows the status of PVC - FECN - BECN
Per frame sequence counters and key mixing using temporal keys.
Sh frame-relay pvc
<ctrl><shift>6 then x
1 -2 - 5.5 - 11

41. What encryption does WPA2 use
TKIP and WEP
Sh flash
Aes-ccmp
Private address. Can be routed locally - but not on Internet

42. What commands create md5 encrypted ospf authentication?
The address is removed from the pool until the confilct is resolved.
Local router - frame relay WAN
128 bits
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

43. What is wrong with this command 'ip default-route 10.1.1.1'?
Ipv6 unicast-routing
It should be default-network
100
10.0.0.0 to 10.255.255.255

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

45. What information is supplied by CDP? (5)
Remote router's connection to the frame relay switch isn't working
Device identifier - address list - port identifier - capabilites list - platform
1023
Boots to rommon

46. What commands create plain-text ospf authentication?
No LMI is being received by the switch or there is no service between the CPE and frame switch
Ip ospf authentication - ip ospf authentication-key XXXXX
Ripv2 is classless - multicasts - allows authentication
Sh flash

47. How long is an IPv6 address?
<ctrl><shift>6 then x
Same subnet
128 bits
Sh ip route eigrp

48. name a situation where a static route would be appropriate...
Encapsulation mismatch and clock rate issues.
Sh frame-relay pvc
To configure a route form an ISP router into a corporate network
Sh ip ospf interface

49. What sequence of commands creates encrypted eigrp authentication
Ipv6 address 2001:0:1:0::2/64 (example)
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
Pap and chap
32768

50. confreg 2142
161
Sh frame-relay traffic
Remote router's connection to the frame relay switch isn't working
Ignore nvram (password recovery)