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CCNA Updated

Instructions:

Answer 50 questions in 15 minutes.
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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 frame relay status and keep-alive information?
Show frame-relay lmi
In the address table and added to the running config
Sh frame-relay pvc
It should be default-network

2. What sequence of commands creates encrypted eigrp authentication
2000::/3
Per frame sequence counters and key mixing using temporal keys.
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
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

3. What encryption does WPA2 use
Link establishment - optional authentication - network layer protocol
One
Sh ip int [interface]
Aes-ccmp

4. Which two wireless encryption methods are based on RC4?
TKIP and WEP
Triggered update - split horizon - route poisoning
Sh frame-relay pvc
100

5. What rule does dhcp use when an IP address conflict is detected?
Examples and documentation
The address is removed from the pool until the confilct is resolved.
53
No LMI is being received by the switch or there is no service between the CPE and frame switch

6. EIGRP summarizes at class boundaries...
Publicly routable addresses
1 - 2 - 5.5 - 11
Ipv6 address 2001:0:1:0::2/64 (example)
By default

7. What command shows the status of PVC - FECN - BECN
Sh frame-relay pvc
Feature capabilities - hardware platform - run location and compression status
224.0.0.5
2000::/3

8. tcp/udp port for SNMP
Like private ipv4 address - but can't be routed at all
Aes-ccmp
161
Decimal - Hex

9. tcp/udp port for telnet
Disconnect 3
Q933a - cisco and ansi
23
Highest logical interface IP - then highest configured IP

10. tcp/udp port for DNS
53
Bypass startup config - initial config mode - password recovery
Encapsulation mismatch and clock rate issues.
Network

11. What 2 features did WPAV1 add to address WEP's weaknesses?
Per frame sequence counters and key mixing using temporal keys.
Remote router's connection to the frame relay switch isn't working
100
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. Which 2 port roles forward traffic under 802.1w standard?
Root and designated
DLCI to an IP address
100
Compression - multilink support - authentication

13. What are the two ppp authentication methods?
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
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Pap and chap
Like private ipv4 address - but can't be routed at all

14. What are the three options for LMI in FR?
Sh frame-relay traffic
Show arp
Q933a - cisco and ansi
Sh frame-relay map

15. What command kills telnet session #3?
By default
Leased lines
Disconnect 3
Encapsulation mismatch and clock rate issues.

16. What is the frame relay inactive state?

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17. IPv6 3FFF:FFFF::/32
Access-class
The address is removed from the pool until the confilct is resolved.
1023
Examples and documentation

18. What is the default bridge STP priority?
Ipv6 rip <process-name> enable
2102
The address is removed from the pool until the confilct is resolved.
32768

19. What type of cable connects the router's aux port to a modem?
Sh arp and sh int
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Rollover

20. How long is an IPv4 address?
Sh ip route eigrp
32 bits
172.16.0.0 to 172.31.255.255
Show frame-relay lmi

21. Which command shows if an acl is applied to an interface?
Remote router's connection to the frame relay switch isn't working
Used with 6 to 4
Sh ip int [interface]
Show frame-relay lmi

22. Which command shows frame relay status and keep-alive information?
FECN - BECN - DE
Show frame-relay lmi
Arp for the host
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

23. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Sh ip ospf interface
Sh vtp status
Nonbroadcast multi-access
Local router - frame relay WAN

24. What is the command to use an ACL for VTY access
In the address table and added to the running config
Access-class
Sh vtp status
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address

25. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
One
Root and designated
1544 kbps
Debug ip icmp

26. IPv6 FC00::/7
Unique local unicast range
Decimal - Hex
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
172.16.0.0 to 172.31.255.255

27. IPv6 multicast address
Feature capabilities - hardware platform - run location and compression status
Compression - multilink support - authentication
One to many addresses...always start with ff
Rommon

28. What is the order of preference in a routing table?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Ipv6 address 2001:0:1:0::2/64 (example)
::1
By default

29. class c private addresses
::1 same as 127.0.0.1
192.168.0.0 to 192.168.255.255
Ripv2 is classless - multicasts - allows authentication
Ipv4 address in a mixed environment

30. What commands create md5 encrypted ospf authentication?
Yes
Nonbroadcast multi-access
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Sh ip route eigrp

31. name a situation where a static route would be appropriate...
To configure a route form an ISP router into a corporate network
Sh vtp status
Private address. Can be routed locally - but not on Internet
Sh ip ospf interface

32. IPv6 anycast address
Feature capabilities - hardware platform - run location and compression status
Sh flash
One to first of many addresses
1023

33. IPv6 0:0:0:0:0:0:0:1
Arp for the host
Sh frame-relay pvc
2102
::1 same as 127.0.0.1

34. Which command assigns an IPv6 address to an interface?
Ipv6 address 2001:0:1:0::2/64 (example)
Debug ip icmp
Compression - multilink support - authentication
100

35. At which layer should you begin troubleshooting QOS issues?
Network
172.16.0.0 to 172.31.255.255
DLCI to an IP address
2102

36. class b private addresses
172.16.0.0 to 172.31.255.255
10 seconds with every 6th message being a full status message
Examples and documentation
Show frame-relay lmi

37. IPv6 unique local address
Show frame-relay lmi
Sh flash
Private address. Can be routed locally - but not on Internet
TKIP and WEP

38. tcp/udp port for FTP control
Point to point
Per frame sequence counters and key mixing using temporal keys.
Bypass startup config - initial config mode - password recovery
21

39. What criteria does OSPF use to determine RID?
No LMI is being received by the switch or there is no service between the CPE and frame switch
Highest logical interface IP - then highest configured IP
Per frame sequence counters and key mixing using temporal keys.
Rollover

40. What is the frame relay active state?
Operational pvc
To provide routing to a destination not specified in the routing table and is outside the local network
Global unicast range
Point to point

41. Which command shows only EIGRP routes?
Same as ::...same as 0.0.0.0
Per frame sequence counters and key mixing using temporal keys.
Sh ip route eigrp
It should be default-network

42. Does is-is support VLSM?
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
<ctrl><shift>6 then x
Yes
120

43. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
53
Point to point
Sh frame-relay pvc
Sh frame-relay map

44. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
1544 kbps
172.16.0.0 to 172.31.255.255
Ip addresses are conserved if vlsm is not used for subnetting
Unique local unicast range

45. ipv6 global addresses start with ...
::1
Private address. Can be routed locally - but not on Internet
::1 same as 127.0.0.1
2000::/3

46. What is the default AD for RIP
Triggered update - split horizon - route poisoning
120
Network
Ignore nvram (password recovery)

47. Which command turns on RIPng for ipv6?
Ipv6 rip <process-name> enable
::1
To configure a route form an ISP router into a corporate network
Split horizon and holddown timers

48. What is the LMI DLCI used in ANSI?
Compression - multilink support - authentication
No LMI is being received by the switch or there is no service between the CPE and frame switch
21
0

49. IPv6 unicast address
In the address table and added to the running config
Destined for a single interface
25
2000::/3

50. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
Sh frame-relay traffic
Root and designated
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Decimal - Hex