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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 type of cable connects the router's aux port to a modem?
Rollover
120
Highest logical interface IP - then highest configured IP
Nonbroadcast multi-access

2. What command kills telnet session #3?
Destined for a single interface
2000::/3
100
Disconnect 3

3. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
Ipv6 rip <process-name> enable
Feature capabilities - hardware platform - run location and compression status
1 -2 - 5.5 - 11

4. What is the default configuration register setting?
2102
Operational pvc
Examples and documentation
Ipv6 unicast-routing

5. What commands create plain-text ospf authentication?
Ip ospf authentication - ip ospf authentication-key XXXXX
Debug ppp authentication
Show arp
Local router - frame relay WAN

6. IPv6 link-local address

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7. What is the default bridge STP priority?
23
32768
Aes-ccmp
Boots to rommon

8. Which command shows global frame relay stats since the last router reload?
100
Ip addresses are conserved if vlsm is not used for subnetting
It should be default-network
Sh frame-relay traffic

9. What type of frame subinterface do you use for hub and spoke?
Used with 6 to 4
172.16.0.0 to 172.31.255.255
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Point to point

10. What encryption does WPA2 use
Same as ::...same as 0.0.0.0
Remote router's connection to the frame relay switch isn't working
Sh ip route eigrp
Aes-ccmp

11. How long is an IPv4 address?
10.0.0.0 to 10.255.255.255
Sh frame-relay traffic
32 bits
Per frame sequence counters and key mixing using temporal keys.

12. Differences between ripv1 and ripv2
Link-local unicast range
Feature capabilities - hardware platform - run location and compression status
Ripv2 is classless - multicasts - allows authentication
21

13. What are the two ppp authentication methods?
Debug ip icmp
Multicast range
One to many addresses...always start with ff
Pap and chap

14. class c private addresses
Triggered update - split horizon - route poisoning
192.168.0.0 to 192.168.255.255
Operational pvc
53

15. EIGRP summarizes at class boundaries...
Debug ppp authentication
Sh arp and sh int
Network
By default

16. What is the frame relay deleted state?
Encapsulation mismatch and clock rate issues.
No LMI is being received by the switch or there is no service between the CPE and frame switch
Show frame-relay lmi
192.168.0.0 to 192.168.255.255

17. class b private addresses
172.16.0.0 to 172.31.255.255
Publicly routable addresses
Device identifier - address list - port identifier - capabilites list - platform
<ctrl><shift>6 then x

18. What is the command to use an ACL for VTY access
Access-class
One to many addresses...always start with ff
Aes-ccmp
Global unicast range

19. What does ripv2 do to prevent routing loops?
Split horizon and holddown timers
192.168.0.0 to 192.168.255.255
Bypass startup config - initial config mode - password recovery
128 bits

20. Which command shows frame relay status and keep-alive information?
Sh frame-relay traffic
Examples and documentation
Ipv4 address in a mixed environment
Show frame-relay lmi

21. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Debug ip icmp
Same subnet
161
Sh frame-relay map

22. How often do LMI messages flow?
No frame-relay inverse-arp
Access-class
10 seconds with every 6th message being a full status message
Sh vtp status

23. ipv6 global addresses start with ...
2000::/3
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
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
23

24. What are the steps in PPP authentication?
120
No LMI is being received by the switch or there is no service between the CPE and frame switch
2102
Link establishment - optional authentication - network layer protocol

25. name a situation where a default route would be appropriate...
To provide routing to a destination not specified in the routing table and is outside the local network
Sh ip int [interface]
32768
Show frame-relay lmi

26. class a private addresses
Global unicast range
10.0.0.0 to 10.255.255.255
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Private address. Can be routed locally - but not on Internet

27. Static secure mac addresses are stored...
In the address table and added to the running config
69
Point to point
Global unicast range

28. What 4 things are necessary for 2 routers to form an eigrp relationship?
Local router - frame relay WAN
Split horizon and holddown timers
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
2000::/3

29. What does a frame relay pvc status of inactive indicate?
25
Decimal - Hex
10.0.0.0 to 10.255.255.255
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

30. Which 2 port roles forward traffic under 802.1w standard?
Device identifier - address list - port identifier - capabilites list - platform
To provide routing to a destination not specified in the routing table and is outside the local network
Root and designated
100

31. How does ripv2 respond to topology changes?
Show arp
Triggered update - split horizon - route poisoning
Sh ip int [interface]
1 - 2 - 5.5 - 11

32. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
In the address table and added to the running config
1544 kbps
No frame-relay inverse-arp
::1

33. What rule does dhcp use when an IP address conflict is detected?
Leased lines
DLCI to an IP address
10 seconds with every 6th message being a full status message
The address is removed from the pool until the confilct is resolved.

34. IPv6 FC00::/7
Network
Unique local unicast range
No frame-relay inverse-arp
172.16.0.0 to 172.31.255.255

35. Which command shows global frame relay stats since the last router reload?
Sh frame-relay traffic
Rommon
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
DLCI to an IP address

36. Sticky secure mac addresses are stored...
Sh frame-relay pvc
10.0.0.0 to 10.255.255.255
In the address table and added to the running config
Sh ip int [interface]

37. IPv6 2001:0DB8::/32
::1 same as 127.0.0.1
Examples and documentation
Sh arp and sh int
Ip ospf authentication - ip ospf authentication-key XXXXX

38. Name 2 reasons a serial connection can be in an up/down status?
Same subnet
Rollover
Encapsulation mismatch and clock rate issues.
Debug ppp authentication

39. IPv6 FE80::/10
To configure a route form an ISP router into a corporate network
Link-local unicast range
DSSS
0

40. What is the LMI DLCI used in ANSI?
::1
Same as ::...same as 0.0.0.0
Point to point
0

41. Inverse ARP maps a ______ to a ________
Per frame sequence counters and key mixing using temporal keys.
DLCI to an IP 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
120

42. What is the first action that a host will take when sending data to a host on a different network?
Show frame-relay lmi
21
Leased lines
Arp for the host

43. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
Like private ipv4 address - but can't be routed at all
Local router - frame relay WAN
Same subnet
In the address table and added to the running config

44. Dynamic secure mac addresses are stored...
32768
TKIP and WEP
Only in the address table
Ignore nvram (password recovery)

45. what 3 things can be deduced from the IOS image file name?
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
10 seconds with every 6th message being a full status message
Sh flash
Feature capabilities - hardware platform - run location and compression status

46. What type of frame subinterface do you use for hub and spoke?
Point to point
Only in the address table
Disconnect 3
Device identifier - address list - port identifier - capabilites list - platform

47. Does is-is support VLSM?
Sh flash
Multicast range
To configure a route form an ISP router into a corporate network
Yes

48. udp port for DNS
Ipv4 address in a mixed environment
53
Ipv6 address 2001:0:1:0::2/64 (example)
Global unicast range

49. What commands create md5 encrypted ospf authentication?
Device identifier - address list - port identifier - capabilites list - platform
Pap and chap
1 - 2 - 5.5 - 11
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

50. Which command turns on IPv6 routing?
Ripv2 is classless - multicasts - allows authentication
Ipv6 unicast-routing
FECN - BECN - DE
10.0.0.0 to 10.255.255.255