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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. tcp/udp port for DNS
Decimal - Hex
53
Sh ip eigrp neighbors
DLCI to an IP address

2. Does is-is support VLSM?
Access-class
224.0.0.5
10 seconds with every 6th message being a full status message
Yes

3. What 3 things are necessary for 2 routers to establish ospf neighborship?
It should be default-network
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Triggered update - split horizon - route poisoning
In the address table and added to the running config

4. How long is an IPv6 address?
25
Sh frame-relay map
128 bits
1023

5. Which 2 commands show IP address associated with a MAC address
Sh arp and sh int
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
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 frame-relay pvc

6. What are the three types of congestion notification used by frame relay?
FECN - BECN - DE
Sh frame-relay map
Access-class
32 bits

7. What command shows the amount of memory being used and whether there is enough room to load a new image?
Private address. Can be routed locally - but not on Internet
In the address table and added to the running config
Sh flash
Used with 6 to 4

8. What can you utilize by using PPP layer 2 encapsulation?
Compression - multilink support - authentication
Split horizon and holddown timers
21
Feature capabilities - hardware platform - run location and compression status

9. IPv6 FE80::/10
Sh ip ospf interface
Debug ppp authentication
Link-local unicast range
No LMI is being received by the switch or there is no service between the CPE and frame switch

10. tcp/udp port for SNMP
Sh ip eigrp neighbors
172.16.0.0 to 172.31.255.255
161
Sh frame-relay traffic

11. The frame relay dlci identifies the logical circuit between the ______ and the ______
Examples and documentation
25
Local router - frame relay WAN
FECN - BECN - DE

12. What command shows the status of PVC - FECN - BECN
Ipv4 address in a mixed environment
Ipv6 address 2001:0:1:0::2/64 (example)
No frame-relay inverse-arp
Sh frame-relay pvc

13. confreg 2142
Ignore nvram (password recovery)
Nonbroadcast multi-access
Rollover
Debug ppp authentication

14. What sequence of commands creates encrypted eigrp 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
1 - 2 - 5.5 - 11
In the address table and added to the running config
Link establishment - optional authentication - network layer protocol

15. tcp/udp port for SMTP
25
Leased lines
Ipv4 address in a mixed environment
Link-local unicast range

16. What is wrong with this command 'ip default-route 10.1.1.1'?
It should be default-network
Feature capabilities - hardware platform - run location and compression status
Ip addresses are conserved if vlsm is not used for subnetting
Compression - multilink support - authentication

17. What commands create plain-text ospf authentication?
Ignore nvram (password recovery)
TKIP and WEP
Ip ospf authentication - ip ospf authentication-key XXXXX
Show frame-relay lmi

18. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
172.16.0.0 to 172.31.255.255
One
No LMI is being received by the switch or there is no service between the CPE and frame switch
Ip addresses are conserved if vlsm is not used for subnetting

19. name a situation where a static route would be appropriate...
To configure a route form an ISP router into a corporate network
No frame-relay inverse-arp
Sh ip ospf interface
32768

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

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21. Which command suspends a telnet session?
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
21
Ignore nvram (password recovery)
<ctrl><shift>6 then x

22. Which command shows only EIGRP routes?
Highest logical interface IP - then highest configured IP
23
Sh ip route eigrp
Same as ::...same as 0.0.0.0

23. Which command shows if an acl is applied to an interface?
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
FECN - BECN - DE
Ipv6 unicast-routing
Sh ip int [interface]

24. tcp/udp port for FTP data
TKIP and WEP
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
Boots to rommon
20

25. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Aes-ccmp
1544 kbps
Leased lines
1 -2 - 5.5 - 11

26. IPv6 2002::/16
Used with 6 to 4
In the address table and added to the running config
Ip ospf authentication - ip ospf authentication-key XXXXX
Sh arp and sh int

27. Name 2 reasons a serial connection can be in an up/down status?
::1
Bypass startup config - initial config mode - password recovery
Encapsulation mismatch and clock rate issues.
One

28. What 2 features did WPAV1 add to address WEP's weaknesses?
Per frame sequence counters and key mixing using temporal keys.
Root and designated
32768
Feature capabilities - hardware platform - run location and compression status

29. Which command shows frame relay status and keep-alive information?
Ip ospf authentication - ip ospf authentication-key XXXXX
1023
Show frame-relay lmi
21

30. Which command shows mac addresses of stations connected to switch ports?
Show arp
Sh ip route eigrp
0
10 seconds with every 6th message being a full status message

31. tcp/udp port for telnet
23
Ipv4 address in a mixed environment
1 - 2 - 5.5 - 11
To configure a route form an ISP router into a corporate network

32. IPv6 0:0:0:0:0:0:0:1
1544 kbps
128 bits
69
::1 same as 127.0.0.1

33. What is the default bridge STP priority?
1544 kbps
Examples and documentation
Ignore nvram (password recovery)
32768

34. What command kills telnet session #3?
Sh ip eigrp neighbors
Access-class
Disconnect 3
Sh frame-relay traffic

35. What are the three options for LMI in FR?
Q933a - cisco and ansi
Show frame-relay lmi
32 bits
Encapsulation mismatch and clock rate issues.

36. Which command shows pvc mappings between the router and the frame switch?
TKIP and WEP
Sh frame-relay pvc
Aes-ccmp
Compression - multilink support - authentication

37. What rule does dhcp use when an IP address conflict is detected?
25
The address is removed from the pool until the confilct is resolved.
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Link establishment - optional authentication - network layer protocol

38. class b private addresses
172.16.0.0 to 172.31.255.255
It should be default-network
Same subnet
Ipv6 address 2001:0:1:0::2/64 (example)

39. Static secure mac addresses are stored...
Examples and documentation
In the address table and added to the running config
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Examples and documentation

40. IPv6 link-local address

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41. confreg 2120
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Ipv6 address 2001:0:1:0::2/64 (example)
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
Rommon

42. OSPF hello packets are sent to which address?
Sh arp and sh int
Bypass startup config - initial config mode - password recovery
Sh frame-relay pvc
224.0.0.5

43. What is the ipv6 loopback address?
::1
Link-local unicast range
32 bits
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

44. Inverse ARP maps a ______ to a ________
Point to point
One to many addresses...always start with ff
DLCI to an IP address
The address is removed from the pool until the confilct is resolved.

45. What is the default AD for RIP
No frame-relay inverse-arp
120
Same as ::...same as 0.0.0.0
Point to point

46. IPv6 unicast address
::1 same as 127.0.0.1
Destined for a single interface
One to many addresses...always start with ff
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

47. class c private addresses
Same as ::...same as 0.0.0.0
192.168.0.0 to 192.168.255.255
Bypass startup config - initial config mode - password recovery
One to first of many addresses

48. Dynamic secure mac addresses are stored...
Only in the address table
Device identifier - address list - port identifier - capabilites list - platform
Sh frame-relay pvc
Sh ip route eigrp

49. tcp/udp port for FTP control
In the address table and added to the running config
Show arp
Yes
21

50. What information is supplied by CDP? (5)
Device identifier - address list - port identifier - capabilites list - platform
Sh frame-relay map
Sh arp and sh int
32768