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Test your basic knowledge |
CCNA Updated
Start Test
Study First
Subjects
:
cisco
,
it-skills
,
ccna
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. What is the order of preference in a routing table?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
21
Sh arp and sh int
Unique local unicast range
2. What is the LMI DLCI used in Cisco?
Show arp
Point to point
128 bits
1023
3. IPv6 2001:0DB8::/32
1544 kbps
Examples and documentation
Root and designated
1 -2 - 5.5 - 11
4. tcp/udp port for telnet
Sh arp and sh int
Highest logical interface IP - then highest configured IP
Ignore nvram (password recovery)
23
5. name a situation where a static route would be appropriate...
Debug ppp authentication
Private address. Can be routed locally - but not on Internet
Examples and documentation
To configure a route form an ISP router into a corporate network
6. What rule does dhcp use when an IP address conflict is detected?
32768
Ip ospf authentication - ip ospf authentication-key XXXXX
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
The address is removed from the pool until the confilct is resolved.
7. What can you utilize by using PPP layer 2 encapsulation?
1 - 2 - 5.5 - 11
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
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
Compression - multilink support - authentication
8. IPv6 multicast address
One to many addresses...always start with ff
::1 same as 127.0.0.1
53
Like private ipv4 address - but can't be routed at all
9. What commands create plain-text ospf authentication?
Triggered update - split horizon - route poisoning
Ip ospf authentication - ip ospf authentication-key XXXXX
Sh frame-relay pvc
One to first of many addresses
10. What are the steps in PPP authentication?
Ipv6 address 2001:0:1:0::2/64 (example)
Link establishment - optional authentication - network layer protocol
Point to point
Ip addresses are conserved if vlsm is not used for subnetting
11. Which command assigns an IPv6 address to an interface?
1544 kbps
Ipv6 address 2001:0:1:0::2/64 (example)
Sh ip int [interface]
Unique local unicast range
12. name a situation where a default route would be appropriate...
10 seconds with every 6th message being a full status message
Show frame-relay lmi
To provide routing to a destination not specified in the routing table and is outside the local network
Point to point
13. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
Per frame sequence counters and key mixing using temporal keys.
Show frame-relay lmi
1 - 2 - 5.5 - 11
Sh frame-relay pvc
14. Which command disables frame-relay inverse arp?
Triggered update - split horizon - route poisoning
Sh ip eigrp neighbors
Sh frame-relay pvc
No frame-relay inverse-arp
15. At which layer should you begin troubleshooting QOS issues?
::1
Network
53
1023
16. Static secure mac addresses are stored...
Encapsulation mismatch and clock rate issues.
In the address table and added to the running config
Only in the address table
Local router - frame relay WAN
17. What is the command to use an ACL for VTY access
Access-class
Split horizon and holddown timers
::1 same as 127.0.0.1
Aes-ccmp
18. Which 2 port roles forward traffic under 802.1w standard?
Root and designated
Disconnect 3
172.16.0.0 to 172.31.255.255
Rollover
19. What is the ipv6 loopback address?
Operational pvc
Per frame sequence counters and key mixing using temporal keys.
Only in the address table
::1
20. IPv6 FE80::/10
Link-local unicast range
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Multicast range
53
21. tcp/udp port for FTP control
TKIP and WEP
21
128 bits
Feature capabilities - hardware platform - run location and compression status
22. what command shows which vtp server updated the switch
Multicast range
Sh vtp status
10 seconds with every 6th message being a full status message
Sh frame-relay map
23. Differences between ripv1 and ripv2
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Disconnect 3
Ripv2 is classless - multicasts - allows authentication
Sh arp and sh int
24. IPv6 2000::/3
Global unicast range
Per frame sequence counters and key mixing using temporal keys.
Link establishment - optional authentication - network layer protocol
No frame-relay inverse-arp
25. Name 2 reasons a serial connection can be in an up/down status?
Destined for a single interface
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
53
Encapsulation mismatch and clock rate issues.
26. What command displays the CHAP authentication process in real time?
Debug ppp authentication
Ignore nvram (password recovery)
21
2000::/3
27. Does is-is support VLSM?
Like private ipv4 address - but can't be routed at all
Split horizon and holddown timers
Yes
128 bits
28. How long is an IPv4 address?
Point to point
32 bits
Debug ip icmp
Sh frame-relay pvc
29. What does config register 0x2100 do?
Yes
1544 kbps
172.16.0.0 to 172.31.255.255
Boots to rommon
30. IPv6 global unicast addresses
Only in the address table
Ipv6 address 2001:0:1:0::2/64 (example)
Used with 6 to 4
Publicly routable addresses
31. Which command shows global frame relay stats since the last router reload?
Sh frame-relay traffic
Unique local unicast range
Sh arp and sh int
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
32. Which command suspends a telnet session?
100
128 bits
It should be default-network
<ctrl><shift>6 then x
33. Which priveleged mode IOS command shows the state of the OSPF DR/BDR election process?
Like private ipv4 address - but can't be routed at all
Sh flash
Sh ip ospf interface
Sh arp and sh int
34. By default - FR is classified as what type of physical network?
Boots to rommon
Examples and documentation
Only in the address table
Nonbroadcast multi-access
35. What is the default configuration register setting?
Network
Ignore nvram (password recovery)
2102
To provide routing to a destination not specified in the routing table and is outside the local network
36. Inverse ARP maps a ______ to a ________
DSSS
Ipv6 unicast-routing
DLCI to an IP address
TKIP and WEP
37. Which 2 commands show IP address associated with a MAC address
In the address table and added to the running config
Examples and documentation
Sh arp and sh int
One to first of many addresses
38. What type of frame subinterface do you use for hub and spoke?
Q933a - cisco and ansi
Sh frame-relay pvc
Point to point
Nonbroadcast multi-access
39. IPv6 FC00::/7
Unique local unicast range
Show frame-relay lmi
Encapsulation mismatch and clock rate issues.
128 bits
40. What commands create md5 encrypted ospf authentication?
Remote router's connection to the frame relay switch isn't working
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
DLCI to an IP address
One to first of many addresses
41. What is the frame relay deleted state?
DLCI to an IP address
10.0.0.0 to 10.255.255.255
No LMI is being received by the switch or there is no service between the CPE and frame switch
Encapsulation mismatch and clock rate issues.
42. What command kills telnet session #3?
Sh frame-relay pvc
Disconnect 3
Nonbroadcast multi-access
Arp for the host
43. confreg 2120
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
Rommon
Sh frame-relay pvc
Boots to rommon
44. what 3 things can be deduced from the IOS image file name?
Destined for a single interface
Highest logical interface IP - then highest configured IP
Feature capabilities - hardware platform - run location and compression status
Per frame sequence counters and key mixing using temporal keys.
45. What is wrong with this command 'ip default-route 10.1.1.1'?
Pap and chap
Destined for a single interface
It should be default-network
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
46. Dynamic secure mac addresses are stored...
172.16.0.0 to 172.31.255.255
Device identifier - address list - port identifier - capabilites list - platform
<ctrl><shift>6 then x
Only in the address table
47. What information is supplied by CDP? (5)
Device identifier - address list - port identifier - capabilites list - platform
Sh frame-relay pvc
Ipv6 rip <process-name> enable
It should be default-network
48. IPv6 0:0:0:0:0:0:0:0
No frame-relay inverse-arp
120
Per frame sequence counters and key mixing using temporal keys.
Same as ::...same as 0.0.0.0
49. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
1 - 2 - 5.5 - 11
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Decimal - Hex
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
50. Which two wireless encryption methods are based on RC4?
2102
Encapsulation mismatch and clock rate issues.
TKIP and WEP
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz