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CCNA Updated

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. IPv6 0:0:0:0:0:0:192.168.100.1
Ipv4 address in a mixed environment
Ip addresses are conserved if vlsm is not used for subnetting
Link-local unicast range
Aes-ccmp

2. What 3 things are necessary for 2 routers to establish ospf neighborship?
Sh frame-relay traffic
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
No frame-relay inverse-arp
Disconnect 3

3. At which layer should you begin troubleshooting QOS issues?
DSSS
Remote router's connection to the frame relay switch isn't working
Destined for a single interface
Network

4. What commands create plain-text ospf authentication?
Ip ospf authentication - ip ospf authentication-key XXXXX
224.0.0.5
Sh ip route eigrp
No frame-relay inverse-arp

5. class b private addresses
In the address table and added to the running config
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
172.16.0.0 to 172.31.255.255

6. What is the ipv6 loopback address?
Sh ip route eigrp
Compression - multilink support - authentication
::1
<ctrl><shift>6 then x

7. What is the ipv6 loopback adddress?
161
TKIP and WEP
Boots to rommon
::1

8. IPv6 FE80::/10
Split horizon and holddown timers
Global unicast range
Link-local unicast range
1544 kbps

9. Which command disables frame-relay inverse arp?
Sh frame-relay traffic
Bypass startup config - initial config mode - password recovery
No frame-relay inverse-arp
One to many addresses...always start with ff

10. How long is an IPv6 address?
Feature capabilities - hardware platform - run location and compression status
No frame-relay inverse-arp
53
128 bits

11. tcp/udp port for POP3
100
Point to point
One to many addresses...always start with ff
Used with 6 to 4

12. What does config register 0x2100 do?
The address is removed from the pool until the confilct is resolved.
Show frame-relay lmi
Boots to rommon
Local router - frame relay WAN

13. What commands create md5 encrypted ospf authentication?
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Rollover
No frame-relay inverse-arp
Compression - multilink support - authentication

14. What criteria does OSPF use to determine RID?
Yes
Highest logical interface IP - then highest configured IP
Decimal - Hex
100

15. How does ripv2 respond to topology changes?
No frame-relay inverse-arp
1544 kbps
Highest logical interface IP - then highest configured IP
Triggered update - split horizon - route poisoning

16. tcp/udp port for FTP data
161
Sh arp and sh int
20
Private address. Can be routed locally - but not on Internet

17. tcp/udp port for SNMP
Ipv6 unicast-routing
One to many addresses...always start with ff
128 bits
161

18. Does is-is support VLSM?
It should be default-network
Remote router's connection to the frame relay switch isn't working
Rommon
Yes

19. What is the order of preference in a routing table?
Debug ppp authentication
Sh ip eigrp neighbors
One to first of many addresses
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

20. Which 2 port roles forward traffic under 802.1w standard?
Ipv6 address 2001:0:1:0::2/64 (example)
Sh frame-relay traffic
Root and designated
Bypass startup config - initial config mode - password recovery

21. IPv6 3FFF:FFFF::/32
Examples and documentation
1544 kbps
Link-local unicast range
Only in the address table

22. What encryption does WPA2 use
TKIP and WEP
Aes-ccmp
Ipv4 address in a mixed environment
53

23. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
1544 kbps
It should be default-network
Device identifier - address list - port identifier - capabilites list - platform
Operational pvc

24. What does a frame relay pvc status of inactive indicate?
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
20
Split horizon and holddown timers
Nonbroadcast multi-access

25. Which command turns on RIPng for ipv6?
Ip addresses are conserved if vlsm is not used for subnetting
Ripv2 is classless - multicasts - allows authentication
::1
Ipv6 rip <process-name> enable

26. IPv6 anycast address
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
One to first of many addresses
In the address table and added to the running config
Like private ipv4 address - but can't be routed at all

27. Which command shows frame relay status and keep-alive information?
One to first of many addresses
::1
Link-local unicast range
Show frame-relay lmi

28. How often do LMI messages flow?
Show frame-relay lmi
10 seconds with every 6th message being a full status message
25
The pvc is correctly configured - but there is an issue on the remote end of the pvc.

29. What are the three options for LMI in FR?
Q933a - cisco and ansi
One to first of many addresses
Show frame-relay lmi
Publicly routable addresses

30. Inverse ARP maps a ______ to a ________
53
DLCI to an IP address
Sh frame-relay traffic
By default

31. Which command shows global frame relay stats since the last router reload?
Used with 6 to 4
Sh frame-relay traffic
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

32. Dynamic secure mac addresses are stored...
Only in the address table
Sh frame-relay map
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
Device identifier - address list - port identifier - capabilites list - platform

33. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
Show arp
Examples and documentation
Sh frame-relay pvc
One

34. IPv6 FF00::/8
Only in the address table
Bypass startup config - initial config mode - password recovery
20
Multicast range

35. Which two wireless encryption methods are based on RC4?
21
69
TKIP and WEP
Publicly routable addresses

36. tcp/udp port for telnet
Ipv6 rip <process-name> enable
No frame-relay inverse-arp
20
23

37. What does config register 0x2142 do?
172.16.0.0 to 172.31.255.255
Bypass startup config - initial config mode - password recovery
Root and designated
One to first of many addresses

38. class a private addresses
Pap and chap
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
10.0.0.0 to 10.255.255.255
120

39. EIGRP summarizes at class boundaries...
DSSS
Publicly routable addresses
By default
Remote router's connection to the frame relay switch isn't working

40. class c private addresses
Local router - frame relay WAN
10 seconds with every 6th message being a full status message
192.168.0.0 to 192.168.255.255
Per frame sequence counters and key mixing using temporal keys.

41. What is the default AD for RIP
120
Pap and chap
It should be default-network
Feature capabilities - hardware platform - run location and compression status

42. What is the default bridge STP priority?
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Like private ipv4 address - but can't be routed at all
32768
It should be default-network

43. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
32 bits
Show arp
In the address table and added to the running config
Sh ip ospf interface

44. IPv6 link-local address

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45. Name 2 reasons a serial connection can be in an up/down status?
FECN - BECN - DE
Decimal - Hex
Bypass startup config - initial config mode - password recovery
Encapsulation mismatch and clock rate issues.

46. IPv6 FC00::/7
Unique local unicast range
Per frame sequence counters and key mixing using temporal keys.
By default
DLCI to an IP address

47. Which command disables frame-relay inverse arp?
Sh ip eigrp neighbors
No frame-relay inverse-arp
::1 same as 127.0.0.1
Ipv6 address 2001:0:1:0::2/64 (example)

48. What is the default configuration register setting?
2102
Root and designated
Yes
1 - 2 - 5.5 - 11

49. name a situation where a default route would be appropriate...
To provide routing to a destination not specified in the routing table and is outside the local network
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
Decimal - Hex
Examples and documentation

50. OSPF hello packets are sent to which address?
224.0.0.5
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
Sh frame-relay map
Sh ip int [interface]