Test your basic knowledge |

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 criteria does OSPF use to determine RID?
Same subnet
161
Highest logical interface IP - then highest configured IP
Examples and documentation

2. Which command shows mac addresses of stations connected to switch ports?
23
Show arp
Examples and documentation
Ipv4 address in a mixed environment

3. Which 2 port roles forward traffic under 802.1w standard?
Root and designated
Encapsulation mismatch and clock rate issues.
Remote router's connection to the frame relay switch isn't working
1023

4. IPv6 unique local address
Remote router's connection to the frame relay switch isn't working
10.0.0.0 to 10.255.255.255
Private address. Can be routed locally - but not on Internet
53

5. IPv6 3FFF:FFFF::/32
Show frame-relay lmi
Examples and documentation
Operational pvc
Root and designated

6. IPv6 FF00::/8
One to many addresses...always start with ff
Aes-ccmp
Sh frame-relay traffic
Multicast range

7. IPv6 2001:0DB8::/32
1544 kbps
Ip ospf authentication - ip ospf authentication-key XXXXX
Examples and documentation
No frame-relay inverse-arp

8. What command shows the status of PVC - FECN - BECN
Examples and documentation
1544 kbps
10 seconds with every 6th message being a full status message
Sh frame-relay pvc

9. IPv6 FE80::/10
::1
Link-local unicast range
Ip ospf authentication - ip ospf authentication-key XXXXX
Sh arp and sh int

10. How long is an IPv4 address?
32 bits
53
1 -2 - 5.5 - 11
0

11. What sequence of commands creates encrypted eigrp authentication
Ipv6 unicast-routing
Sh flash
120
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

12. What commands create md5 encrypted ospf authentication?
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
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Pap and chap
Show frame-relay lmi

13. What rule does dhcp use when an IP address conflict is detected?
The address is removed from the pool until the confilct is resolved.
No frame-relay inverse-arp
Same as ::...same as 0.0.0.0
Destined for a single interface

14. What is the LMI DLCI used in Cisco?
120
Yes
1023
It should be default-network

15. name a situation where a static route would be appropriate...
Same subnet
To configure a route form an ISP router into a corporate network
Ipv4 address in a mixed environment
Point to point

16. IPv6 2002::/16
Access-class
Decimal - Hex
Point to point
Used with 6 to 4

17. Which command shows frame relay status and keep-alive information?
Show frame-relay lmi
Sh ip ospf interface
Sh frame-relay pvc
Yes

18. class b private addresses
Ignore nvram (password recovery)
32 bits
172.16.0.0 to 172.31.255.255
Triggered update - split horizon - route poisoning

19. What command shows the amount of memory being used and whether there is enough room to load a new image?
Ignore nvram (password recovery)
10 seconds with every 6th message being a full status message
Sh flash
20

20. What type of cable connects the router's aux port to a modem?
Publicly routable addresses
DLCI to an IP address
Global unicast range
Rollover

21. Which features did wpav4 add to address the weaknesses of WEP?
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
Per frame sequence counters and key mixing using temporal keys.
1544 kbps

22. What encryption does WPA2 use
Aes-ccmp
Boots to rommon
Ip ospf authentication - ip ospf authentication-key XXXXX
2000::/3

23. What 3 things are necessary for 2 routers to establish ospf neighborship?
Per frame sequence counters and key mixing using temporal keys.
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Sh arp and sh int
Rommon

24. tcp/udp port for telnet
Link-local unicast range
Arp for the host
Local router - frame relay WAN
23

25. confreg 2142
Ignore nvram (password recovery)
Nonbroadcast multi-access
Sh frame-relay pvc
Unique local unicast range

26. ipv6 global addresses start with ...
<ctrl><shift>6 then x
2000::/3
Private address. Can be routed locally - but not on Internet
Aes-ccmp

27. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Sh ip ospf interface
Feature capabilities - hardware platform - run location and compression status
1 - 2 - 5.5 - 11
100

28. What is the command to use an ACL for VTY access
Per frame sequence counters and key mixing using temporal keys.
Access-class
Sh frame-relay pvc
1544 kbps

29. 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
To configure a route form an ISP router into a corporate network
Ipv6 rip <process-name> enable
Q933a - cisco and ansi

30. What does ripv2 do to prevent routing loops?
Publicly routable addresses
Sh ip route eigrp
Split horizon and holddown timers
Per frame sequence counters and key mixing using temporal keys.

31. What are the steps in PPP authentication?
Feature capabilities - hardware platform - run location and compression status
23
Leased lines
Link establishment - optional authentication - network layer protocol

32. udp port for DNS
1 -2 - 5.5 - 11
53
1544 kbps
2102

33. What is the LMI DLCI used in ANSI?
0
Network
Rommon
It should be default-network

34. Which command suspends a telnet session?
Decimal - Hex
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
<ctrl><shift>6 then x
Rollover

35. Which command shows pvc mappings between the router and the frame switch?
Sh ip eigrp neighbors
FECN - BECN - DE
Nonbroadcast multi-access
Sh frame-relay pvc

36. What does config register 0x2142 do?
To configure a route form an ISP router into a corporate network
25
Unique local unicast range
Bypass startup config - initial config mode - password recovery

37. What command kills telnet session #3?
Disconnect 3
Link establishment - optional authentication - network layer protocol
Boots to rommon
Local router - frame relay WAN

38. Inverse ARP maps a ______ to a ________
21
Like private ipv4 address - but can't be routed at all
DLCI to an IP address
Rommon

39. What is the default configuration register setting?
Boots to rommon
::1
2102
53

40. IPv6 unicast address
Operational pvc
Q933a - cisco and ansi
Bypass startup config - initial config mode - password recovery
Destined for a single interface

41. IPv6 0:0:0:0:0:0:192.168.100.1
Boots to rommon
53
1023
Ipv4 address in a mixed environment

42. What command displays the CHAP authentication process in real time?
2000::/3
Nonbroadcast multi-access
Debug ppp authentication
Q933a - cisco and ansi

43. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
Arp for the host
Same subnet
No frame-relay inverse-arp
Publicly routable addresses

44. What is the frame relay deleted state?
FECN - BECN - DE
No LMI is being received by the switch or there is no service between the CPE and frame switch
Sh ip int [interface]
::1

45. what command shows which vtp server updated the switch
Sh vtp status
1 -2 - 5.5 - 11
One to first of many addresses
Private address. Can be routed locally - but not on Internet

46. IPv6 global unicast addresses
Examples and documentation
To provide routing to a destination not specified in the routing table and is outside the local network
Publicly routable addresses
Operational pvc

47. Which command turns on RIPng for ipv6?
Ipv6 rip <process-name> enable
Ipv6 unicast-routing
Rommon
Pap and chap

48. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Sh ip eigrp neighbors
Sh frame-relay map
Point to point

49. Which command disables frame-relay inverse arp?
Encapsulation mismatch and clock rate issues.
No frame-relay inverse-arp
Ipv4 address in a mixed environment
32 bits

50. What is the first action that a host will take when sending data to a host on a different network?
10.0.0.0 to 10.255.255.255
Decimal - Hex
Multicast range
Arp for the host