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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. How long is an IPv4 address?
Only in the address table
224.0.0.5
32 bits
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

2. class a private addresses
1 - 2 - 5.5 - 11
10.0.0.0 to 10.255.255.255
To configure a route form an ISP router into a corporate network
Device identifier - address list - port identifier - capabilites list - platform

3. tcp/udp port for SNMP
In the address table and added to the running config
Ignore nvram (password recovery)
No LMI is being received by the switch or there is no service between the CPE and frame switch
161

4. Frame relay point to point interfaces emulate _______
Multicast 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
Leased lines
Sh frame-relay pvc

5. 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
Operational pvc
Link-local unicast range
192.168.0.0 to 192.168.255.255

6. IPv6 0:0:0:0:0:0:192.168.100.1
Yes
Ipv4 address in a mixed environment
Sh frame-relay traffic
Sh frame-relay traffic

7. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
Network
One
::1 same as 127.0.0.1
Sh ip int [interface]

8. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
::1 same as 127.0.0.1
Per frame sequence counters and key mixing using temporal keys.
Same subnet

9. Which command shows pvc mappings between the router and the frame switch?
No frame-relay inverse-arp
Per frame sequence counters and key mixing using temporal keys.
69
Sh frame-relay pvc

10. tcp/udp port for TFTP
Debug ppp authentication
::1 same as 127.0.0.1
69
Q933a - cisco and ansi

11. What can you utilize by using PPP layer 2 encapsulation?
Compression - multilink support - authentication
2102
Sh frame-relay traffic
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

12. tcp/udp port for FTP data
Debug ppp authentication
Encapsulation mismatch and clock rate issues.
20
Ip ospf authentication - ip ospf authentication-key XXXXX

13. What is the default configuration register setting?
Sh frame-relay pvc
Debug ip icmp
Link establishment - optional authentication - network layer protocol
2102

14. Which command shows mac addresses of stations connected to switch ports?
Show arp
2000::/3
DSSS
Sh ip ospf interface

15. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
No frame-relay inverse-arp
100
1544 kbps
No LMI is being received by the switch or there is no service between the CPE and frame switch

16. Which two wireless encryption methods are based on RC4?
32 bits
Root and designated
TKIP and WEP
In the address table and added to the running config

17. IPv6 FE80::/10
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Link-local unicast range
Destined for a single interface
1544 kbps

18. Static secure mac addresses are stored...
One
In the address table and added to the running config
Yes
192.168.0.0 to 192.168.255.255

19. class c private addresses
Ipv6 address 2001:0:1:0::2/64 (example)
1 -2 - 5.5 - 11
192.168.0.0 to 192.168.255.255
Link establishment - optional authentication - network layer protocol

20. Which command assigns an IPv6 address to an interface?
Per frame sequence counters and key mixing using temporal keys.
To configure a route form an ISP router into a corporate network
Only in the address table
Ipv6 address 2001:0:1:0::2/64 (example)

21. The frame relay dlci identifies the logical circuit between the ______ and the ______
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
23
Same subnet
Local router - frame relay WAN

22. Does is-is support VLSM?
Same subnet
Yes
128 bits
Boots to rommon

23. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Aes-ccmp
Ip addresses are conserved if vlsm is not used for subnetting
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
DLCI to an IP address

24. What type of cable connects the router's aux port to a modem?
Arp for the host
Rollover
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

25. What commands create plain-text ospf authentication?
DLCI to an IP address
Ip ospf authentication - ip ospf authentication-key XXXXX
1544 kbps
No frame-relay inverse-arp

26. What does a frame relay pvc status of inactive indicate?
1 - 2 - 5.5 - 11
Show frame-relay lmi
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
::1 same as 127.0.0.1

27. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Rommon
No frame-relay inverse-arp
Publicly routable addresses
Sh frame-relay map

28. What 2 features did WPAV1 add to address WEP's weaknesses?
Per frame sequence counters and key mixing using temporal keys.
One
224.0.0.5
Sh frame-relay traffic

29. What encryption does WPA2 use
128 bits
Sh ip eigrp neighbors
Debug ppp authentication
Aes-ccmp

30. Differences between ripv1 and ripv2
Same subnet
Decimal - Hex
TKIP and WEP
Ripv2 is classless - multicasts - allows authentication

31. Which 2 commands show IP address associated with a MAC address
Sh arp and sh int
Sh flash
Debug ip icmp
172.16.0.0 to 172.31.255.255

32. Dynamic secure mac addresses are stored...
21
Q933a - cisco and ansi
Only in the address table
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

33. IPv6 link-local address

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34. What spread spectrum technology does 802.11b use?
1 - 2 - 5.5 - 11
DSSS
Sh ip eigrp neighbors
Boots to rommon

35. What is wrong with this command 'ip default-route 10.1.1.1'?
Sh ip int [interface]
It should be default-network
One to many addresses...always start with ff
DSSS

36. What does config register 0x2142 do?
Root and designated
Used with 6 to 4
Sh ip int [interface]
Bypass startup config - initial config mode - password recovery

37. name a situation where a default route would be appropriate...
Destined for a single interface
23
1023
To provide routing to a destination not specified in the routing table and is outside the local network

38. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
Unique local unicast range
::1
Sh ip eigrp neighbors
Ripv2 is classless - multicasts - allows authentication

39. Which command shows global frame relay stats since the last router reload?
Sh arp and sh int
Sh ip ospf interface
Sh frame-relay traffic
Encapsulation mismatch and clock rate issues.

40. What are the steps in PPP authentication?
Feature capabilities - hardware platform - run location and compression status
FECN - BECN - DE
Link establishment - optional authentication - network layer protocol
23

41. What is the default AD for RIP
Sh arp and sh int
20
Rollover
120

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

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43. Which command suspends a telnet session?
<ctrl><shift>6 then x
Yes
Only in the address table
Show frame-relay lmi

44. ipv6 global addresses start with ...
<ctrl><shift>6 then x
2000::/3
Sh vtp status
Global unicast range

45. Which command shows frame relay status and keep-alive information?
<ctrl><shift>6 then x
Sh ip int [interface]
It should be default-network
Show frame-relay lmi

46. Which command turns on RIPng for ipv6?
Ipv6 unicast-routing
1544 kbps
Ipv6 rip <process-name> enable
20

47. How often do LMI messages flow?
10.0.0.0 to 10.255.255.255
10 seconds with every 6th message being a full status message
Ignore nvram (password recovery)
Show frame-relay lmi

48. tcp/udp port for POP3
100
Used with 6 to 4
Highest logical interface IP - then highest configured IP
Disconnect 3

49. Which 2 port roles forward traffic under 802.1w standard?
Root and designated
Show frame-relay lmi
DLCI to an IP address
Triggered update - split horizon - route poisoning

50. What rule does dhcp use when an IP address conflict is detected?
Private address. Can be routed locally - but not on Internet
21
The address is removed from the pool until the confilct is resolved.
Rommon