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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. name a situation where a default route would be appropriate...
Examples and documentation
2102
To provide routing to a destination not specified in the routing table and is outside the local network
Leased lines

2. Name 2 reasons a serial connection can be in an up/down status?
100
Encapsulation mismatch and clock rate issues.
Arp for the host
Rommon

3. What does config register 0x2100 do?
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Boots to rommon
Sh vtp status
Sh ip ospf interface

4. Which command shows if an acl is applied to an interface?
Feature capabilities - hardware platform - run location and compression status
Rollover
Examples and documentation
Sh ip int [interface]

5. What type of frame subinterface do you use for hub and spoke?
23
192.168.0.0 to 192.168.255.255
Point to point
Local router - frame relay WAN

6. What type of frame subinterface do you use for hub and spoke?
Sh frame-relay map
Split horizon and holddown timers
Point to point
Sh frame-relay traffic

7. How long is an IPv4 address?
By default
32 bits
Show arp
21

8. tcp/udp port for FTP control
Private address. Can be routed locally - but not on Internet
Leased lines
21
Decimal - Hex

9. What is the LMI DLCI used in Cisco?
DLCI to an IP address
1023
Ipv6 rip <process-name> enable
Sh frame-relay pvc

10. What spread spectrum technology does 802.11b use?
::1 same as 127.0.0.1
<ctrl><shift>6 then x
Point to point
DSSS

11. What is the default configuration register setting?
Ipv6 rip <process-name> enable
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
DSSS
2102

12. tcp/udp port for SNMP
Encapsulation mismatch and clock rate issues.
Unique local unicast range
161
120

13. IPv6 multicast address
TKIP and WEP
Sh frame-relay map
One to many addresses...always start with ff
Triggered update - split horizon - route poisoning

14. What does config register 0x2142 do?
Bypass startup config - initial config mode - password recovery
Sh frame-relay pvc
Q933a - cisco and ansi
21

15. 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
Highest logical interface IP - then highest configured IP
192.168.0.0 to 192.168.255.255
Debug ip icmp

16. tcp/udp port for FTP data
1023
20
10 seconds with every 6th message being a full status message
Ipv4 address in a mixed environment

17. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
Split horizon and holddown timers
Arp for the host
One to first of many addresses
Decimal - Hex

18. IPv6 global unicast addresses
Device identifier - address list - port identifier - capabilites list - platform
Unique local unicast range
Publicly routable addresses
Aes-ccmp

19. tcp/udp port for POP3
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
::1
100
1023

20. Which command assigns an IPv6 address to an interface?
It should be default-network
Ipv6 address 2001:0:1:0::2/64 (example)
To configure a route form an ISP router into a corporate network
Encapsulation mismatch and clock rate issues.

21. tcp/udp port for DNS
53
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
It should be default-network
One

22. What type of cable connects the router's aux port to a modem?
Rollover
By default
1023
Sh frame-relay pvc

23. ipv6 global addresses start with ...
Ip addresses are conserved if vlsm is not used for subnetting
2000::/3
Boots to rommon
In the address table and added to the running config

24. Which command shows pvc mappings between the router and the frame switch?
Operational pvc
Ip addresses are conserved if vlsm is not used for subnetting
Sh frame-relay pvc
::1

25. tcp/udp port for TFTP
53
Disconnect 3
Same as ::...same as 0.0.0.0
69

26. What is the frame relay deleted state?
Like private ipv4 address - but can't be routed at all
No LMI is being received by the switch or there is no service between the CPE and frame switch
In the address table and added to the running config
23

27. What is the order of preference in a routing table?
20
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Show frame-relay lmi
120

28. class a private addresses
Sh ip int [interface]
10.0.0.0 to 10.255.255.255
Sh frame-relay map
Compression - multilink support - authentication

29. What is the ipv6 loopback adddress?
Ipv6 address 2001:0:1:0::2/64 (example)
Ip addresses are conserved if vlsm is not used for subnetting
::1
Used with 6 to 4

30. Which command shows global frame relay stats since the last router reload?
Access-class
Sh frame-relay traffic
::1 same as 127.0.0.1
TKIP and WEP

31. udp port for DNS
53
Encapsulation mismatch and clock rate issues.
Unique local unicast range
32 bits

32. Does is-is support VLSM?
Like private ipv4 address - but can't be routed at all
Multicast range
Yes
Sh ip route eigrp

33. What commands create md5 encrypted ospf authentication?
Disconnect 3
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Per frame sequence counters and key mixing using temporal keys.
Unique local unicast range

34. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Access-class
69
Sh ip ospf interface
Rollover

35. Frame relay point to point interfaces emulate _______
Split horizon and holddown timers
DSSS
Leased lines
One

36. EIGRP summarizes at class boundaries...
Sh frame-relay pvc
Per frame sequence counters and key mixing using temporal keys.
By default
Sh flash

37. At which layer should you begin troubleshooting QOS issues?
Ip ospf authentication - ip ospf authentication-key XXXXX
Root and designated
1023
Network

38. What is the default AD for RIP
120
Global unicast range
Per frame sequence counters and key mixing using temporal keys.
One

39. What command kills telnet session #3?
Show frame-relay lmi
Disconnect 3
No LMI is being received by the switch or there is no service between the CPE and frame switch
53

40. confreg 2120
Rommon
DSSS
1544 kbps
Root and designated

41. Which command shows frame relay status and keep-alive information?
Network
Sh ip int [interface]
Show frame-relay lmi
<ctrl><shift>6 then x

42. IPv6 0:0:0:0:0:0:0:1
Network
Private address. Can be routed locally - but not on Internet
::1 same as 127.0.0.1
20

43. IPv6 0:0:0:0:0:0:0:0
Multicast range
Unique local unicast range
Same as ::...same as 0.0.0.0
23

44. IPv6 link-local address

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45. What is the command to use an ACL for VTY access
No LMI is being received by the switch or there is no service between the CPE and frame switch
Ipv4 address in a mixed environment
Access-class
Compression - multilink support - authentication

46. IPv6 3FFF:FFFF::/32
Debug ip icmp
TKIP and WEP
Destined for a single interface
Examples and documentation

47. IPv6 FE80::/10
Link-local unicast range
10 seconds with every 6th message being a full status message
Unique local unicast range
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

48. How long is an IPv6 address?
Arp for the host
Rommon
0
128 bits

49. IPv6 unicast address
Sh vtp status
Destined for a single interface
Show arp
224.0.0.5

50. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Destined for a single interface
Aes-ccmp
1544 kbps
224.0.0.5