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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 is the default bridge STP priority?
Same subnet
The address is removed from the pool until the confilct is resolved.
Show frame-relay lmi
32768

2. What sequence of commands creates encrypted eigrp authentication
Sh frame-relay map
::1
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
<ctrl><shift>6 then x

3. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
In the address table and added to the running config
Sh ip eigrp neighbors
Ip addresses are conserved if vlsm is not used for subnetting
Sh ip route eigrp

4. What are the two ppp authentication methods?
Sh frame-relay map
Pap and chap
Local router - frame relay WAN
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

5. tcp/udp port for DNS
32768
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
53
Private address. Can be routed locally - but not on Internet

6. Which command shows only EIGRP routes?
1544 kbps
One to first of many addresses
Sh ip route eigrp
Ignore nvram (password recovery)

7. What can you utilize by using PPP layer 2 encapsulation?
Compression - multilink support - authentication
The address is removed from the pool until the confilct is resolved.
100
Highest logical interface IP - then highest configured IP

8. Static secure mac addresses are stored...
Link-local unicast range
Sh frame-relay pvc
1023
In the address table and added to the running config

9. What is the first action that a host will take when sending data to a host on a different network?
172.16.0.0 to 172.31.255.255
Sh ip ospf interface
Arp for the host
DLCI to an IP address

10. Which features did wpav4 add to address the weaknesses of WEP?
Per frame sequence counters and key mixing using temporal keys.
Examples and documentation
::1 same as 127.0.0.1
120

11. class a private addresses
Compression - multilink support - authentication
10.0.0.0 to 10.255.255.255
Q933a - cisco and ansi
Only in the address table

12. What is the order of preference in a routing table?
Local router - frame relay WAN
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
32 bits
Like private ipv4 address - but can't be routed at all

13. How long is an IPv6 address?
128 bits
100
Debug ppp authentication
To configure a route form an ISP router into a corporate network

14. IPv6 link-local address

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15. IPv6 0:0:0:0:0:0:0:0
DSSS
Same as ::...same as 0.0.0.0
Q933a - cisco and ansi
Bypass startup config - initial config mode - password recovery

16. udp port for DNS
53
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
1544 kbps
It should be default-network

17. What does config register 0x2142 do?
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
Bypass startup config - initial config mode - password recovery
Ignore nvram (password recovery)
::1

18. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
To configure a route form an ISP router into a corporate network
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
Show frame-relay lmi
1544 kbps

19. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
Network
Triggered update - split horizon - route poisoning
1023

20. What command displays the CHAP authentication process in real time?
128 bits
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Debug ppp authentication
Bypass startup config - initial config mode - password recovery

21. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
Ip ospf authentication - ip ospf authentication-key XXXXX
Boots to rommon
1 - 2 - 5.5 - 11
FECN - BECN - DE

22. Does is-is support VLSM?
Yes
1023
Destined for a single interface
One to many addresses...always start with ff

23. What command shows the status of PVC - FECN - BECN
In the address table and added to the running config
32 bits
Sh frame-relay pvc
Like private ipv4 address - but can't be routed at all

24. Which command shows mac addresses of stations connected to switch ports?
Ripv2 is classless - multicasts - allows authentication
Show arp
Arp for the host
In the address table and added to the running config

25. IPv6 2000::/3
Global unicast range
Rollover
Per frame sequence counters and key mixing using temporal keys.
Private address. Can be routed locally - but not on Internet

26. tcp/udp port for FTP data
It should be default-network
2000::/3
Sh frame-relay pvc
20

27. At which layer should you begin troubleshooting QOS issues?
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Ipv6 rip <process-name> enable
Ipv4 address in a mixed environment
Network

28. IPv6 0:0:0:0:0:0:192.168.100.1
Destined for a single interface
53
Ipv4 address in a mixed environment
Operational pvc

29. ipv6 global addresses start with ...
No frame-relay inverse-arp
Ignore nvram (password recovery)
2000::/3
Device identifier - address list - port identifier - capabilites list - platform

30. Sticky secure mac addresses are stored...
No frame-relay inverse-arp
Show frame-relay lmi
In the address table and added to the running config
Split horizon and holddown timers

31. Which command suspends a telnet session?
Show frame-relay lmi
Show arp
<ctrl><shift>6 then x
FECN - BECN - DE

32. What type of frame subinterface do you use for hub and spoke?
Per frame sequence counters and key mixing using temporal keys.
10.0.0.0 to 10.255.255.255
Like private ipv4 address - but can't be routed at all
Point to point

33. tcp/udp port for TFTP
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Ipv6 address 2001:0:1:0::2/64 (example)
69
1 - 2 - 5.5 - 11

34. what 3 things can be deduced from the IOS image file name?
Device identifier - address list - port identifier - capabilites list - platform
Feature capabilities - hardware platform - run location and compression status
Operational pvc
224.0.0.5

35. What command kills telnet session #3?
FECN - BECN - DE
Ipv6 address 2001:0:1:0::2/64 (example)
Disconnect 3
Global unicast range

36. Which command shows global frame relay stats since the last router reload?
Sh frame-relay traffic
Publicly routable addresses
2000::/3
Sh ip ospf interface

37. What is the LMI DLCI used in Cisco?
Show frame-relay lmi
::1 same as 127.0.0.1
Ipv6 unicast-routing
1023

38. IPv6 0:0:0:0:0:0:0:1
23
No frame-relay inverse-arp
::1 same as 127.0.0.1
Operational pvc

39. IPv6 multicast address
One to many addresses...always start with ff
53
Ipv6 unicast-routing
10 seconds with every 6th message being a full status message

40. What is wrong with this command 'ip default-route 10.1.1.1'?
161
It should be default-network
Link establishment - optional authentication - network layer protocol
21

41. What is the ipv6 loopback address?
Same as ::...same as 0.0.0.0
::1
Ripv2 is classless - multicasts - allows authentication
Split horizon and holddown timers

42. What criteria does OSPF use to determine RID?
Leased lines
1 - 2 - 5.5 - 11
Highest logical interface IP - then highest configured IP
Sh ip eigrp neighbors

43. Differences between ripv1 and ripv2
Ipv6 rip <process-name> enable
Like private ipv4 address - but can't be routed at all
One
Ripv2 is classless - multicasts - allows authentication

44. Which two wireless encryption methods are based on RC4?
TKIP and WEP
53
To configure a route form an ISP router into a corporate network
161

45. IPv6 FE80::/10
53
Destined for a single interface
Link-local unicast range
Point to point

46. Name 2 reasons a serial connection can be in an up/down status?
Show frame-relay lmi
One to first of many addresses
Per frame sequence counters and key mixing using temporal keys.
Encapsulation mismatch and clock rate issues.

47. IPv6 FC00::/7
Yes
Arp for the host
Unique local unicast range
One

48. Inverse ARP maps a ______ to a ________
Access-class
DLCI to an IP address
::1
Sh arp and sh int

49. IPv6 anycast address
One to first of many addresses
Sh ip int [interface]
161
Pap and chap

50. What command is used to debug the ping command?
Remote router's connection to the frame relay switch isn't working
Debug ip icmp
Root and designated
Decimal - Hex