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CCNA Updated

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. tcp/udp port for SNMP
161
Point to point
Rommon
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

2. class c private addresses
Nonbroadcast multi-access
Global unicast range
Encapsulation mismatch and clock rate issues.
192.168.0.0 to 192.168.255.255

3. What is the frame relay inactive state?

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4. What does a frame relay pvc status of inactive indicate?
Disconnect 3
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
0
Sh ip int [interface]

5. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
Q933a - cisco and ansi
21
Ipv6 rip <process-name> enable

6. At which layer should you begin troubleshooting QOS issues?
::1
Network
It should be default-network
One to many addresses...always start with ff

7. What is the default configuration register setting?
224.0.0.5
Global unicast range
2102
53

8. What does config register 0x2142 do?
Nonbroadcast multi-access
Per frame sequence counters and key mixing using temporal keys.
Bypass startup config - initial config mode - password recovery
Show arp

9. IPv6 global unicast addresses
Ip addresses are conserved if vlsm is not used for subnetting
::1 same as 127.0.0.1
1544 kbps
Publicly routable addresses

10. IPv6 0:0:0:0:0:0:0:0
::1 same as 127.0.0.1
Rollover
Multicast range
Same as ::...same as 0.0.0.0

11. ipv6 global addresses start with ...
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
2000::/3
128 bits
It should be default-network

12. Which command assigns an IPv6 address to an interface?
224.0.0.5
Sh frame-relay pvc
Ipv6 address 2001:0:1:0::2/64 (example)
DSSS

13. What command shows the amount of memory being used and whether there is enough room to load a new image?
Sh flash
1544 kbps
1 -2 - 5.5 - 11
FECN - BECN - DE

14. IPv6 FE80::/10
32 bits
Bypass startup config - initial config mode - password recovery
Link-local unicast range
Ipv6 address 2001:0:1:0::2/64 (example)

15. How does ripv2 respond to topology changes?
Triggered update - split horizon - route poisoning
Examples and documentation
Sh frame-relay pvc
It should be default-network

16. What is the frame relay deleted state?
Debug ip icmp
No LMI is being received by the switch or there is no service between the CPE and frame switch
Sh ip route eigrp
Device identifier - address list - port identifier - capabilites list - platform

17. name a situation where a default route would be appropriate...
Ip ospf authentication - ip ospf authentication-key XXXXX
To provide routing to a destination not specified in the routing table and is outside the local network
Link establishment - optional authentication - network layer protocol
25

18. What are the three options for LMI in FR?
Q933a - cisco and ansi
It should be default-network
::1 same as 127.0.0.1
Boots to rommon

19. Name 2 reasons a serial connection can be in an up/down status?
Sh flash
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
Encapsulation mismatch and clock rate issues.
Rollover

20. What can you utilize by using PPP layer 2 encapsulation?
The address is removed from the pool until the confilct is resolved.
Like private ipv4 address - but can't be routed at all
One
Compression - multilink support - authentication

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

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22. name a situation where a static route would be appropriate...
Sh ip eigrp neighbors
To configure a route form an ISP router into a corporate network
Same subnet
Nonbroadcast multi-access

23. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
Same subnet
Examples and documentation
10 seconds with every 6th message being a full status message
Debug ip icmp

24. How long is an IPv6 address?
1023
128 bits
Link establishment - optional authentication - network layer protocol
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

25. Which command shows frame relay status and keep-alive information?
Show frame-relay lmi
Destined for a single interface
Sh frame-relay map
Ripv2 is classless - multicasts - allows authentication

26. Which command turns on RIPng for ipv6?
Ipv6 rip <process-name> enable
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
Feature capabilities - hardware platform - run location and compression status
Split horizon and holddown timers

27. Which command disables frame-relay inverse arp?
TKIP and WEP
Network
Examples and documentation
No frame-relay inverse-arp

28. What are the three types of congestion notification used by frame relay?
FECN - BECN - DE
10 seconds with every 6th message being a full status message
100
Feature capabilities - hardware platform - run location and compression status

29. Frame relay point to point interfaces emulate _______
Leased lines
Link-local unicast range
Destined for a single interface
Debug ip icmp

30. What command is used to debug the ping command?
Link-local unicast range
Private address. Can be routed locally - but not on Internet
Debug ip icmp
Sh frame-relay map

31. How often do LMI messages flow?
10 seconds with every 6th message being a full status message
Same as ::...same as 0.0.0.0
Point to point
::1 same as 127.0.0.1

32. IPv6 2001:0DB8::/32
Examples and documentation
32768
1023
32 bits

33. OSPF hello packets are sent to which address?
224.0.0.5
Bypass startup config - initial config mode - password recovery
Local router - frame relay WAN
53

34. Differences between ripv1 and ripv2
Ripv2 is classless - multicasts - allows authentication
Highest logical interface IP - then highest configured IP
Compression - multilink support - authentication
Link-local unicast range

35. What 3 things are necessary for 2 routers to establish ospf neighborship?
Same subnet
1 - 2 - 5.5 - 11
161
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match

36. What is the order of preference in a routing table?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Sh ip eigrp neighbors
2000::/3
53

37. Inverse ARP maps a ______ to a ________
::1
DLCI to an IP address
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.

38. what 3 things can be deduced from the IOS image file name?
Only in the address table
Feature capabilities - hardware platform - run location and compression status
Sh ip ospf interface
Remote router's connection to the frame relay switch isn't working

39. What does ripv2 do to prevent routing loops?
Point to point
Split horizon and holddown timers
1544 kbps
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

40. tcp/udp port for telnet
Sh frame-relay pvc
1 - 2 - 5.5 - 11
Unique local unicast range
23

41. Which command disables frame-relay inverse arp?
Rollover
Unique local unicast range
No frame-relay inverse-arp
32 bits

42. What is the ipv6 loopback adddress?
::1
::1 same as 127.0.0.1
Boots to rommon
192.168.0.0 to 192.168.255.255

43. What is the LMI DLCI used in Cisco?
Feature capabilities - hardware platform - run location and compression status
Arp for the host
One
1023

44. What is the frame relay active state?
Operational pvc
Network
Per frame sequence counters and key mixing using temporal keys.
Global unicast range

45. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
Decimal - Hex
Link establishment - optional authentication - network layer protocol
69
To configure a route form an ISP router into a corporate network

46. What commands create md5 encrypted ospf authentication?
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
Sh ip eigrp neighbors
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
172.16.0.0 to 172.31.255.255

47. Which 2 commands show IP address associated with a MAC address
Debug ip icmp
Sh arp and sh int
1 -2 - 5.5 - 11
224.0.0.5

48. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
Sh frame-relay pvc
1 -2 - 5.5 - 11
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Pap and chap

49. tcp/udp port for POP3
Arp for the host
100
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
20

50. What does config register 0x2100 do?
1023
Debug ppp authentication
Boots to rommon
Ripv2 is classless - multicasts - allows authentication