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. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
Sh ip eigrp neighbors
Ip ospf authentication - ip ospf authentication-key XXXXX
23
Remote router's connection to the frame relay switch isn't working


2. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
::1
One
100
32 bits


3. What is the default bridge STP priority?
Device identifier - address list - port identifier - capabilites list - platform
32768
Ripv2 is classless - multicasts - allows authentication
120


4. class c private addresses
192.168.0.0 to 192.168.255.255
Ignore nvram (password recovery)
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
Access-class


5. Does is-is support VLSM?
DSSS
1 -2 - 5.5 - 11
Yes
Examples and documentation


6. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
Sh frame-relay traffic
Show arp
One
1 - 2 - 5.5 - 11


7. The frame relay dlci identifies the logical circuit between the ______ and the ______
Like private ipv4 address - but can't be routed at all
Remote router's connection to the frame relay switch isn't working
53
Local router - frame relay WAN


8. IPv6 FE80::/10
Link-local unicast range
Show frame-relay lmi
Global unicast range
::1 same as 127.0.0.1


9. IPv6 FC00::/7
Unique local unicast range
Ipv6 rip <process-name> enable
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Sh arp and sh int


10. What information is supplied by CDP? (5)
No frame-relay inverse-arp
FECN - BECN - DE
Device identifier - address list - port identifier - capabilites list - platform
TKIP and WEP


11. Which command shows global frame relay stats since the last router reload?
Split horizon and holddown timers
FECN - BECN - DE
Operational pvc
Sh frame-relay traffic


12. tcp/udp port for SNMP
161
To provide routing to a destination not specified in the routing table and is outside the local network
Sh ip ospf interface
Rommon


13. What encryption does WPA2 use
Aes-ccmp
Per frame sequence counters and key mixing using temporal keys.
Ripv2 is classless - multicasts - allows authentication
Network


14. IPv6 0:0:0:0:0:0:0:1
Feature capabilities - hardware platform - run location and compression status
::1 same as 127.0.0.1
One
Rommon


15. IPv6 2000::/3
Multicast range
Global unicast range
::1
Link-local unicast range


16. What does ripv2 do to prevent routing loops?
Device identifier - address list - port identifier - capabilites list - platform
Split horizon and holddown timers
Per frame sequence counters and key mixing using temporal keys.
DSSS


17. tcp/udp port for DNS
Link-local unicast range
Sh frame-relay pvc
Rommon
53


18. confreg 2120
20
1 - 2 - 5.5 - 11
Sh ip eigrp neighbors
Rommon


19. IPv6 unique local address
Used with 6 to 4
161
Sh flash
Private address. Can be routed locally - but not on Internet


20. What is the frame relay inactive state?


21. What sequence of commands creates encrypted eigrp authentication
Ip ospf authentication - ip ospf authentication-key XXXXX
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
20
Unique local unicast range


22. IPv6 FF00::/8
Examples and documentation
Multicast range
Debug ppp authentication
172.16.0.0 to 172.31.255.255


23. EIGRP summarizes at class boundaries...
120
Sh frame-relay pvc
By default
One to many addresses...always start with ff


24. Which command shows pvc mappings between the router and the frame switch?
Compression - multilink support - authentication
Sh frame-relay pvc
10.0.0.0 to 10.255.255.255
One


25. Name 2 reasons a serial connection can be in an up/down status?
Yes
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Encapsulation mismatch and clock rate issues.
To configure a route form an ISP router into a corporate network


26. Differences between ripv1 and ripv2
Unique local unicast range
Ripv2 is classless - multicasts - allows authentication
In the address table and added to the running config
Pap and chap


27. What does config register 0x2100 do?
Local router - frame relay WAN
Triggered update - split horizon - route poisoning
Boots to rommon
1023


28. What is the LMI DLCI used in Cisco?
Destined for a single interface
In the address table and added to the running config
1023
Arp for the host


29. class b private addresses
The address is removed from the pool until the confilct is resolved.
172.16.0.0 to 172.31.255.255
Sh flash
128 bits


30. Frame relay point to point interfaces emulate _______
Leased lines
10.0.0.0 to 10.255.255.255
Access-class
172.16.0.0 to 172.31.255.255


31. What type of frame subinterface do you use for hub and spoke?
In the address table and added to the running config
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
Sh frame-relay traffic


32. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Ip addresses are conserved if vlsm is not used for subnetting
Remote router's connection to the frame relay switch isn't working
Leased lines
::1


33. What is the ipv6 loopback address?
::1
1 - 2 - 5.5 - 11
10 seconds with every 6th message being a full status message
Sh flash


34. IPv6 unicast address
Show arp
224.0.0.5
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Destined for a single interface


35. IPv6 link-local address


36. What are the two ppp authentication methods?
32 bits
Pap and chap
Compression - multilink support - authentication
Per frame sequence counters and key mixing using temporal keys.


37. What does config register 0x2142 do?
0
Bypass startup config - initial config mode - password recovery
No frame-relay inverse-arp
10 seconds with every 6th message being a full status message


38. What is the first action that a host will take when sending data to a host on a different network?
<ctrl><shift>6 then x
Arp for the host
::1 same as 127.0.0.1
TKIP and WEP


39. Which command turns on RIPng for ipv6?
Sh frame-relay pvc
Ignore nvram (password recovery)
Ipv6 rip <process-name> enable
Access-class


40. What is the command to use an ACL for VTY access
Access-class
Sh ip eigrp neighbors
Sh frame-relay pvc
No frame-relay inverse-arp


41. How often do LMI messages flow?
Boots to rommon
::1
Operational pvc
10 seconds with every 6th message being a full status message


42. tcp/udp port for SMTP
25
Sh ip ospf interface
Ipv6 address 2001:0:1:0::2/64 (example)
Pap and chap


43. tcp/udp port for FTP data
20
Leased lines
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
One to many addresses...always start with ff


44. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
FECN - BECN - DE
Device identifier - address list - port identifier - capabilites list - platform
Feature capabilities - hardware platform - run location and compression status


45. what 3 things can be deduced from the IOS image file name?
32768
120
Boots to rommon
Feature capabilities - hardware platform - run location and compression status


46. IPv6 0:0:0:0:0:0:0:0
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
::1
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Same as ::...same as 0.0.0.0


47. What is the default configuration register setting?
Device identifier - address list - port identifier - capabilites list - platform
2102
Debug ppp authentication
Destined for a single interface


48. What is the order of preference in a routing table?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Split horizon and holddown timers
Show frame-relay lmi
Sh frame-relay map


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


50. IPv6 global unicast addresses
23
Sh frame-relay traffic
DLCI to an IP address
Publicly routable addresses