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CCNA Updated

Instructions:

Answer 50 questions in 15 minutes.
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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 are the three types of congestion notification used by frame relay?
Private address. Can be routed locally - but not on Internet
Sh frame-relay pvc
FECN - BECN - DE
Ripv2 is classless - multicasts - allows authentication

2. IPv6 link-local address

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3. What is the ipv6 loopback address?
Operational pvc
::1
172.16.0.0 to 172.31.255.255
To provide routing to a destination not specified in the routing table and is outside the local network

4. IPv6 unicast address
Sh frame-relay pvc
Device identifier - address list - port identifier - capabilites list - platform
Global unicast range
Destined for a single interface

5. Which command shows only EIGRP routes?
Sh ip route eigrp
25
Triggered update - split horizon - route poisoning
Like private ipv4 address - but can't be routed at all

6. IPv6 3FFF:FFFF::/32
Examples and documentation
Show frame-relay lmi
Only in the address table
One to first of many addresses

7. ipv6 global addresses start with ...
To configure a route form an ISP router into a corporate network
Device identifier - address list - port identifier - capabilites list - platform
Yes
2000::/3

8. What does ripv2 do to prevent routing loops?
100
Disconnect 3
Split horizon and holddown timers
32768

9. Differences between ripv1 and ripv2
To configure a route form an ISP router into a corporate network
Ripv2 is classless - multicasts - allows authentication
In the address table and added to the running config
Private address. Can be routed locally - but not on Internet

10. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
No frame-relay inverse-arp
Boots to rommon
One
Decimal - Hex

11. IPv6 2001:0DB8::/32
Examples and documentation
Disconnect 3
Destined for a single interface
53

12. Which command shows mac addresses of stations connected to switch ports?
Ip ospf authentication - ip ospf authentication-key XXXXX
No LMI is being received by the switch or there is no service between the CPE and frame switch
Show arp
Destined for a single interface

13. IPv6 0:0:0:0:0:0:0:0
Same as ::...same as 0.0.0.0
1023
Sh ip route eigrp
Same subnet

14. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
23
0
1544 kbps
2102

15. IPv6 FC00::/7
Unique local unicast range
Debug ppp authentication
53
Ipv6 unicast-routing

16. What criteria does OSPF use to determine RID?
Sh ip int [interface]
10.0.0.0 to 10.255.255.255
2102
Highest logical interface IP - then highest configured IP

17. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
One
Encapsulation mismatch and clock rate issues.
Ipv6 unicast-routing
Q933a - cisco and ansi

18. What commands create md5 encrypted ospf authentication?
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
In the address table and added to the running config
Nonbroadcast multi-access
Debug ip icmp

19. What encryption does WPA2 use
1023
Aes-ccmp
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
53

20. IPv6 multicast address
One to many addresses...always start with ff
Root and designated
TKIP and WEP
Arp for the host

21. What is the frame relay inactive state?

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22. 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
Point to point
One to first of many addresses
By default

23. confreg 2120
Used with 6 to 4
Like private ipv4 address - but can't be routed at all
No frame-relay inverse-arp
Rommon

24. OSPF hello packets are sent to which address?
224.0.0.5
10.0.0.0 to 10.255.255.255
Point to point
Sh frame-relay traffic

25. What commands create plain-text ospf authentication?
Ip ospf authentication - ip ospf authentication-key XXXXX
Decimal - Hex
To configure a route form an ISP router into a corporate network
192.168.0.0 to 192.168.255.255

26. Which 2 port roles forward traffic under 802.1w standard?
Link-local unicast range
Bypass startup config - initial config mode - password recovery
Root and designated
53

27. What command kills telnet session #3?
Disconnect 3
TKIP and WEP
Ignore nvram (password recovery)
Sh ip ospf interface

28. What is the first action that a host will take when sending data to a host on a different network?
Point to point
224.0.0.5
1544 kbps
Arp for the host

29. What 2 features did WPAV1 add to address WEP's weaknesses?
53
One
Point to point
Per frame sequence counters and key mixing using temporal keys.

30. What does config register 0x2142 do?
Bypass startup config - initial config mode - password recovery
20
Disconnect 3
32768

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

32. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
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
Same subnet
DSSS

33. What is the order of preference in a routing table?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
2000::/3
Examples and documentation
0

34. What is the frame relay active state?
Operational pvc
No frame-relay inverse-arp
::1
It should be default-network

35. IPv6 global unicast addresses
Sh ip ospf interface
Unique local unicast range
Ipv6 address 2001:0:1:0::2/64 (example)
Publicly routable addresses

36. what 3 things can be deduced from the IOS image file name?
Publicly routable addresses
Feature capabilities - hardware platform - run location and compression status
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
Sh ip eigrp neighbors

37. What can you utilize by using PPP layer 2 encapsulation?
::1
Sh frame-relay traffic
Compression - multilink support - authentication
Encapsulation mismatch and clock rate issues.

38. EIGRP summarizes at class boundaries...
Sh frame-relay traffic
Per frame sequence counters and key mixing using temporal keys.
By default
Sh ip route eigrp

39. name a situation where a default route would be appropriate...
Feature capabilities - hardware platform - run location and compression status
Only in the address table
2102
To provide routing to a destination not specified in the routing table and is outside the local network

40. tcp/udp port for DNS
Global unicast range
Access-class
53
::1 same as 127.0.0.1

41. IPv6 2002::/16
Used with 6 to 4
Ipv6 address 2001:0:1:0::2/64 (example)
10 seconds with every 6th message being a full status message
Sh ip ospf interface

42. class a private addresses
192.168.0.0 to 192.168.255.255
10.0.0.0 to 10.255.255.255
No frame-relay inverse-arp
Same as ::...same as 0.0.0.0

43. name a situation where a static route would be appropriate...
Feature capabilities - hardware platform - run location and compression status
Point to point
Leased lines
To configure a route form an ISP router into a corporate network

44. IPv6 anycast address
Examples and documentation
Sh flash
One to first of many addresses
128 bits

45. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Root and designated
Pap and chap
Ip addresses are conserved if vlsm is not used for subnetting
Multicast range

46. What is the default bridge STP priority?
Feature capabilities - hardware platform - run location and compression status
32768
::1
Ip addresses are conserved if vlsm is not used for subnetting

47. What sequence of commands creates encrypted eigrp authentication
Aes-ccmp
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
In the address table and added to the running config
Access-class

48. class c private addresses
Yes
224.0.0.5
53
192.168.0.0 to 192.168.255.255

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

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50. What is the ipv6 loopback adddress?
0
100
::1
32 bits