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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. What commands create md5 encrypted ospf authentication?
Boots to rommon
10.0.0.0 to 10.255.255.255
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
224.0.0.5

2. IPv6 FC00::/7
Ip ospf authentication - ip ospf authentication-key XXXXX
Like private ipv4 address - but can't be routed at all
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Unique local unicast range

3. What is the LMI DLCI used in ANSI?
Boots to rommon
1023
Show frame-relay lmi
0

4. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Sh frame-relay map
DLCI to an IP address
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Ipv4 address in a mixed environment

5. What is the first action that a host will take when sending data to a host on a different network?
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
Ipv6 address 2001:0:1:0::2/64 (example)
Arp for the host
Multicast range

6. What is the frame relay active state?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Pap and chap
By default
Operational pvc

7. Name 2 reasons a serial connection can be in an up/down status?
Multicast range
Encapsulation mismatch and clock rate issues.
53
The address is removed from the pool until the confilct is resolved.

8. What does a frame relay pvc status of inactive indicate?
172.16.0.0 to 172.31.255.255
Device identifier - address list - port identifier - capabilites list - platform
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
161

9. What is the order of preference in a routing table?
10 seconds with every 6th message being a full status message
In the address table and added to the running config
One to many addresses...always start with ff
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

10. How often do LMI messages flow?
Point to point
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
No LMI is being received by the switch or there is no service between the CPE and frame switch
10 seconds with every 6th message being a full status message

11. The frame relay dlci identifies the logical circuit between the ______ and the ______
Remote router's connection to the frame relay switch isn't working
To provide routing to a destination not specified in the routing table and is outside the local network
Local router - frame relay WAN
Per frame sequence counters and key mixing using temporal keys.

12. IPv6 FF00::/8
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
DLCI to an IP address
Multicast range
One to many addresses...always start with ff

13. What is the default AD for RIP
120
Ignore nvram (password recovery)
Same as ::...same as 0.0.0.0
100

14. IPv6 2000::/3
Device identifier - address list - port identifier - capabilites list - platform
Disconnect 3
Global unicast range
One

15. What does config register 0x2100 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
Destined for a single interface
Boots to rommon
Show arp

16. Which command shows pvc mappings between the router and the frame switch?
DSSS
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Ipv4 address in a mixed environment
Sh frame-relay pvc

17. tcp/udp port for DNS
53
Ip ospf authentication - ip ospf authentication-key XXXXX
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
172.16.0.0 to 172.31.255.255

18. name a situation where a default route would be appropriate...
32 bits
Access-class
To provide routing to a destination not specified in the routing table and is outside the local network
In the address table and added to the running config

19. What 4 things are necessary for 2 routers to form an eigrp relationship?
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Disconnect 3
Arp for the host
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

20. At which layer should you begin troubleshooting QOS issues?
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
Network
161

21. What is the default bridge STP priority?
DLCI to an IP address
One
53
32768

22. Does is-is support VLSM?
Yes
2102
One
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

23. What is the ipv6 loopback adddress?
Same subnet
::1
120
Nonbroadcast multi-access

24. What type of cable connects the router's aux port to a modem?
Nonbroadcast multi-access
Sh frame-relay pvc
Sh ip ospf interface
Rollover

25. What command displays the CHAP authentication process in real time?
Device identifier - address list - port identifier - capabilites list - platform
Debug ppp authentication
Link-local unicast range
Ipv6 unicast-routing

26. IPv6 anycast address
Ipv4 address in a mixed environment
Q933a - cisco and ansi
Sh frame-relay pvc
One to first of many addresses

27. class b private addresses
23
2000::/3
172.16.0.0 to 172.31.255.255
Sh ip ospf interface

28. What is the LMI DLCI used in Cisco?
1023
Sh frame-relay map
Device identifier - address list - port identifier - capabilites list - platform
Leased lines

29. What spread spectrum technology does 802.11b use?
Nonbroadcast multi-access
DSSS
Split horizon and holddown timers
Ip ospf authentication - ip ospf authentication-key XXXXX

30. Which command suspends a telnet session?
<ctrl><shift>6 then x
Examples and documentation
DLCI to an IP address
Point to point

31. class c private addresses
192.168.0.0 to 192.168.255.255
::1 same as 127.0.0.1
Root and designated
::1

32. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
One
Split horizon and holddown timers
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
TKIP and WEP

33. what 3 things can be deduced from the IOS image file name?
To provide routing to a destination not specified in the routing table and is outside the local network
Feature capabilities - hardware platform - run location and compression status
128 bits
Highest logical interface IP - then highest configured IP

34. tcp/udp port for telnet
53
Compression - multilink support - authentication
DLCI to an IP address
23

35. Which command shows pvc mappings between the router and the frame switch?
Split horizon and holddown timers
Sh frame-relay pvc
Disconnect 3
25

36. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
::1
Ignore nvram (password recovery)
Sh ip eigrp neighbors
Sh frame-relay traffic

37. Which command shows if an acl is applied to an interface?
Sh ip int [interface]
21
In the address table and added to the running config
To configure a route form an ISP router into a corporate network

38. Which 2 port roles forward traffic under 802.1w standard?
Arp for the host
Ripv2 is classless - multicasts - allows authentication
Root and designated
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

39. What is the command to use an ACL for VTY access
Feature capabilities - hardware platform - run location and compression status
Highest logical interface IP - then highest configured IP
0
Access-class

40. tcp/udp port for FTP data
One
In the address table and added to the running config
Sh frame-relay traffic
20

41. What commands create plain-text ospf authentication?
Ip ospf authentication - ip ospf authentication-key XXXXX
10.0.0.0 to 10.255.255.255
TKIP and WEP
Disconnect 3

42. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
128 bits
DLCI to an IP address
1 - 2 - 5.5 - 11
It should be default-network

43. name a situation where a static route would be appropriate...
Highest logical interface IP - then highest configured IP
To configure a route form an ISP router into a corporate network
Ipv4 address in a mixed environment
Device identifier - address list - port identifier - capabilites list - platform

44. what command shows which vtp server updated the switch
Publicly routable addresses
::1
Sh ip int [interface]
Sh vtp status

45. IPv6 0:0:0:0:0:0:0:1
::1 same as 127.0.0.1
DLCI to an IP address
Device identifier - address list - port identifier - capabilites list - platform
Encapsulation mismatch and clock rate issues.

46. Which command shows frame relay status and keep-alive information?
Show frame-relay lmi
1023
In the address table and added to the running config
Sh vtp status

47. Which command assigns an IPv6 address to an interface?
No frame-relay inverse-arp
Ipv6 address 2001:0:1:0::2/64 (example)
Global unicast range
Sh frame-relay pvc

48. Which command disables frame-relay inverse arp?
FECN - BECN - DE
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
No frame-relay inverse-arp
Arp for the host

49. What 2 features did WPAV1 add to address WEP's weaknesses?
One to first of many addresses
192.168.0.0 to 192.168.255.255
Per frame sequence counters and key mixing using temporal keys.
Global unicast range

50. Which command shows frame relay status and keep-alive information?
Sh frame-relay pvc
DSSS
Show frame-relay lmi
Bypass startup config - initial config mode - password recovery