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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. Which command shows pvc mappings between the router and the frame switch?
Debug ip icmp
Sh frame-relay pvc
1023
Sh ip int [interface]

2. What does config register 0x2100 do?
32 bits
Boots to rommon
23
Operational pvc

3. Which command suspends a telnet session?
2102
Unique local unicast range
Per frame sequence counters and key mixing using temporal keys.
<ctrl><shift>6 then x

4. What is the LMI DLCI used in ANSI?
0
Sh ip eigrp neighbors
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Split horizon and holddown timers

5. tcp/udp port for SMTP
25
Root and designated
20
Link establishment - optional authentication - network layer protocol

6. Which command shows frame relay status and keep-alive information?
Link establishment - optional authentication - network layer protocol
Unique local unicast range
23
Show frame-relay lmi

7. IPv6 FF00::/8
Rollover
161
Sh frame-relay traffic
Multicast range

8. What 2 features did WPAV1 add to address WEP's weaknesses?
Per frame sequence counters and key mixing using temporal keys.
One
By default
No LMI is being received by the switch or there is no service between the CPE and frame switch

9. What are the three types of congestion notification used by frame relay?
Debug ip icmp
Sh frame-relay pvc
FECN - BECN - DE
Sh arp and sh int

10. What type of frame subinterface do you use for hub and spoke?
Show arp
Point to point
53
Sh ip eigrp neighbors

11. What is the first action that a host will take when sending data to a host on a different network?
2000::/3
Nonbroadcast multi-access
::1 same as 127.0.0.1
Arp for the host

12. Which command turns on RIPng for ipv6?
Ignore nvram (password recovery)
To configure a route form an ISP router into a corporate network
Ipv6 rip <process-name> enable
Link establishment - optional authentication - network layer protocol

13. 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
32 bits
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
53

14. name a situation where a static route would be appropriate...
Debug ppp authentication
Per frame sequence counters and key mixing using temporal keys.
To configure a route form an ISP router into a corporate network
Unique local unicast range

15. What is the frame relay inactive state?

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16. 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
DSSS
Device identifier - address list - port identifier - capabilites list - platform
DLCI to an IP address

17. tcp/udp port for telnet
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
Same subnet
23
Highest logical interface IP - then highest configured IP

18. What are the three options for LMI in FR?
Sh ip route eigrp
Nonbroadcast multi-access
Decimal - Hex
Q933a - cisco and ansi

19. udp port for DNS
Split horizon and holddown timers
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Highest logical interface IP - then highest configured IP
53

20. What information is supplied by CDP? (5)
Same subnet
It should be default-network
Pap and chap
Device identifier - address list - port identifier - capabilites list - platform

21. IPv6 anycast address
One to first of many addresses
Network
DLCI to an IP address
<ctrl><shift>6 then x

22. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Sh ip ospf interface
In the address table and added to the running config
Destined for a single interface
Ipv4 address in a mixed environment

23. class a private addresses
32 bits
Sh flash
10.0.0.0 to 10.255.255.255
20

24. What is the default configuration register setting?
Global unicast range
2102
Highest logical interface IP - then highest configured IP
Encapsulation mismatch and clock rate issues.

25. tcp/udp port for POP3
In the address table and added to the running config
20
100
224.0.0.5

26. tcp/udp port for TFTP
69
Unique local unicast range
Examples and documentation
Aes-ccmp

27. IPv6 FC00::/7
One to many addresses...always start with ff
Highest logical interface IP - then highest configured IP
Unique local unicast range
Rommon

28. How long is an IPv4 address?
23
Used with 6 to 4
32 bits
Debug ppp authentication

29. Inverse ARP maps a ______ to a ________
Point to point
Split horizon and holddown timers
DLCI to an IP address
Device identifier - address list - port identifier - capabilites list - platform

30. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
In the address table and added to the running config
53
One
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

31. What type of cable connects the router's aux port to a modem?
Arp for the host
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Rollover
161

32. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Point to point
Show arp
1544 kbps
Link-local unicast range

33. IPv6 unique local address
Sh frame-relay map
Ipv6 unicast-routing
FECN - BECN - DE
Private address. Can be routed locally - but not on Internet

34. What 3 things are necessary for 2 routers to establish ospf neighborship?
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Rommon
TKIP and WEP
DSSS

35. What does ripv2 do to prevent routing loops?
Point to point
Pap and chap
Split horizon and holddown timers
Operational pvc

36. What command kills telnet session #3?
Local router - frame relay WAN
Sh frame-relay traffic
Disconnect 3
Examples and documentation

37. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
One to many addresses...always start with ff
Publicly routable addresses
Boots to rommon

38. What is the order of preference in a routing table?
Sh arp and sh int
10 seconds with every 6th message being a full status message
Split horizon and holddown timers
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp

39. Which speeds must be disabled in a mixed 801.11b/g WLAN to all only 802.11g clients to connect?
Link establishment - optional authentication - network layer protocol
Sh ip eigrp neighbors
1 -2 - 5.5 - 11
<ctrl><shift>6 then x

40. What commands create md5 encrypted ospf authentication?
Link-local unicast range
To configure a route form an ISP router into a corporate network
Examples and documentation
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz

41. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
Sh ip eigrp neighbors
21
Sh flash
Yes

42. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
Private address. Can be routed locally - but not on Internet
Local router - frame relay WAN
Sh frame-relay map

43. What is the frame relay active state?
Operational pvc
Used with 6 to 4
Only in the address table
Publicly routable addresses

44. How long is an IPv6 address?
Sh vtp status
To provide routing to a destination not specified in the routing table and is outside the local network
128 bits
Same as ::...same as 0.0.0.0

45. What is the ipv6 loopback address?
::1
Leased lines
Aes-ccmp
The address is removed from the pool until the confilct is resolved.

46. What command displays the CHAP authentication process in real time?
Ip addresses are conserved if vlsm is not used for subnetting
Ipv6 rip <process-name> enable
Debug ppp authentication
To configure a route form an ISP router into a corporate network

47. IPv6 FE80::/10
Link-local unicast range
Device identifier - address list - port identifier - capabilites list - platform
Triggered update - split horizon - route poisoning
Multicast range

48. Name 2 reasons a serial connection can be in an up/down status?
::1
32768
Encapsulation mismatch and clock rate issues.
Ipv4 address in a mixed environment

49. Which two wireless encryption methods are based on RC4?
No LMI is being received by the switch or there is no service between the CPE and frame switch
<ctrl><shift>6 then x
In the address table and added to the running config
TKIP and WEP

50. tcp/udp port for FTP data
Sh flash
Global unicast range
No frame-relay inverse-arp
20