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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. OSPF hello packets are sent to which address?
Triggered update - split horizon - route poisoning
Used with 6 to 4
53
224.0.0.5

2. Which command shows global frame relay stats since the last router reload?
One
Sh frame-relay traffic
Split horizon and holddown timers
32 bits

3. class a private addresses
Sh frame-relay pvc
10.0.0.0 to 10.255.255.255
32 bits
Sh frame-relay traffic

4. What is wrong with this command 'ip default-route 10.1.1.1'?
Boots to rommon
Leased lines
It should be default-network
One

5. Which 2 port roles forward traffic under 802.1w standard?
No LMI is being received by the switch or there is no service between the CPE and frame switch
10.0.0.0 to 10.255.255.255
Device identifier - address list - port identifier - capabilites list - platform
Root and designated

6. class b private addresses
Ip addresses are conserved if vlsm is not used for subnetting
Feature capabilities - hardware platform - run location and compression status
172.16.0.0 to 172.31.255.255
<ctrl><shift>6 then x

7. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
No LMI is being received by the switch or there is no service between the CPE and frame switch
Debug ppp authentication
In the address table and added to the running config
Same subnet

8. What does ripv2 do to prevent routing loops?
2102
Split horizon and holddown timers
1544 kbps
Show frame-relay lmi

9. What sequence of commands creates encrypted eigrp authentication
Triggered update - split horizon - route poisoning
No frame-relay inverse-arp
Device identifier - address list - port identifier - capabilites list - platform
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

10. What are the three options for LMI in FR?
Q933a - cisco and ansi
192.168.0.0 to 192.168.255.255
Triggered update - split horizon - route poisoning
25

11. IPv6 2001:0DB8::/32
Ipv4 address in a mixed environment
To provide routing to a destination not specified in the routing table and is outside the local network
Examples and documentation
FECN - BECN - DE

12. How long is an IPv6 address?
Sh frame-relay pvc
Debug ppp authentication
128 bits
The address is removed from the pool until the confilct is resolved.

13. What rule does dhcp use when an IP address conflict is detected?
DLCI to an IP address
No frame-relay inverse-arp
The address is removed from the pool until the confilct is resolved.
Sh frame-relay pvc

14. What is the first action that a host will take when sending data to a host on a different network?
Aes-ccmp
Arp for the host
0
No frame-relay inverse-arp

15. ipv6 global addresses start with ...
2000::/3
Ipv6 address 2001:0:1:0::2/64 (example)
10 seconds with every 6th message being a full status message
Only in the address table

16. tcp/udp port for SNMP
161
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
53
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

17. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
Disconnect 3
Feature capabilities - hardware platform - run location and compression status
2000::/3

18. tcp/udp port for TFTP
Remote router's connection to the frame relay switch isn't working
Same subnet
69
The address is removed from the pool until the confilct is resolved.

19. Which command shows frame relay status and keep-alive information?
Show frame-relay lmi
Encapsulation mismatch and clock rate issues.
Debug ip icmp
2102

20. What are the steps in PPP authentication?
Remote router's connection to the frame relay switch isn't working
Point to point
Show arp
Link establishment - optional authentication - network layer protocol

21. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Sh ip eigrp neighbors
Link establishment - optional authentication - network layer protocol
Highest logical interface IP - then highest configured IP
Ip addresses are conserved if vlsm is not used for subnetting

22. tcp/udp port for DNS
Rollover
53
No frame-relay inverse-arp
120

23. What 3 things are necessary for 2 routers to establish ospf neighborship?
Arp for the host
Used with 6 to 4
One
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

24. What can you utilize by using PPP layer 2 encapsulation?
Compression - multilink support - authentication
No frame-relay inverse-arp
10 seconds with every 6th message being a full status message
Q933a - cisco and ansi

25. tcp/udp port for POP3
Ip ospf authentication - ip ospf authentication-key XXXXX
Ip addresses are conserved if vlsm is not used for subnetting
100
Same as ::...same as 0.0.0.0

26. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
Point to point
Destined for a single interface
Sh ip eigrp neighbors
Ipv6 rip <process-name> enable

27. What command kills telnet session #3?
Disconnect 3
FECN - BECN - DE
Per frame sequence counters and key mixing using temporal keys.
Highest logical interface IP - then highest configured IP

28. What does config register 0x2142 do?
23
Ipv4 address in a mixed environment
Bypass startup config - initial config mode - password recovery
No frame-relay inverse-arp

29. tcp/udp port for FTP data
One
20
Debug ppp authentication
To provide routing to a destination not specified in the routing table and is outside the local network

30. Which features did wpav4 add to address the weaknesses of WEP?
120
Nonbroadcast multi-access
Per frame sequence counters and key mixing using temporal keys.
No frame-relay inverse-arp

31. class c private addresses
Bypass startup config - initial config mode - password recovery
Ip ospf authentication - ip ospf authentication-key XXXXX
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
192.168.0.0 to 192.168.255.255

32. What spread spectrum technology does 802.11b use?
Boots to rommon
Q933a - cisco and ansi
DSSS
Ripv2 is classless - multicasts - allows authentication

33. Name 2 reasons a serial connection can be in an up/down status?
Encapsulation mismatch and clock rate issues.
172.16.0.0 to 172.31.255.255
120
Per frame sequence counters and key mixing using temporal keys.

34. IPv6 unique local address
Private address. Can be routed locally - but not on Internet
To provide routing to a destination not specified in the routing table and is outside the local network
Sh arp and sh int
Split horizon and holddown timers

35. What is the ipv6 loopback address?
Sh ip int [interface]
Private address. Can be routed locally - but not on Internet
In the address table and added to the running config
::1

36. What command shows the amount of memory being used and whether there is enough room to load a new image?
Nonbroadcast multi-access
224.0.0.5
Sh flash
Ip ospf authentication - ip ospf authentication-key XXXXX

37. What is the default bridge STP priority?
32768
Decimal - Hex
Link-local unicast range
Ipv6 unicast-routing

38. IPv6 3FFF:FFFF::/32
By default
Device identifier - address list - port identifier - capabilites list - platform
Examples and documentation
Like private ipv4 address - but can't be routed at all

39. What encryption does WPA2 use
Show frame-relay lmi
Network
Compression - multilink support - authentication
Aes-ccmp

40. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
53
1 - 2 - 5.5 - 11
The address is removed from the pool until the confilct is resolved.
Point to point

41. What is the command to use an ACL for VTY access
Leased lines
No LMI is being received by the switch or there is no service between the CPE and frame switch
Access-class
32 bits

42. Which 2 commands show IP address associated with a MAC address
One to first of many addresses
Sh arp and sh int
0
20

43. What commands create md5 encrypted ospf authentication?
Split horizon and holddown timers
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
161
Unique local unicast range

44. By default - FR is classified as what type of physical network?
1544 kbps
Nonbroadcast multi-access
In the address table and added to the running config
224.0.0.5

45. IPv6 multicast address
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
It should be default-network
172.16.0.0 to 172.31.255.255
One to many addresses...always start with ff

46. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
::1 same as 127.0.0.1
Decimal - Hex
Show arp
100

47. What type of cable connects the router's aux port to a modem?
Global unicast range
It should be default-network
Rollover
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

48. IPv6 0:0:0:0:0:0:0:1
Show frame-relay lmi
Triggered update - split horizon - route poisoning
::1 same as 127.0.0.1
Sh ip int [interface]

49. Which command shows global frame relay stats since the last router reload?
Debug ip icmp
100
Sh frame-relay traffic
Sh frame-relay map

50. What are the two ppp authentication methods?
Pap and chap
Encapsulation mismatch and clock rate issues.
Sh frame-relay map
Sh frame-relay pvc