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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 commands create md5 encrypted ospf authentication?
Debug ip icmp
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Access-class
Arp for the host
2. IPv6 global unicast addresses
Ipv6 unicast-routing
Publicly routable addresses
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
3. confreg 2142
Root and designated
Operational pvc
Ignore nvram (password recovery)
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
4. What sequence of commands creates encrypted eigrp authentication
No LMI is being received by the switch or there is no service between the CPE and frame switch
10.0.0.0 to 10.255.255.255
Ipv6 unicast-routing
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
5. What is the default AD for RIP
100
Triggered update - split horizon - route poisoning
120
Ipv6 address 2001:0:1:0::2/64 (example)
6. tcp/udp port for FTP control
21
Private address. Can be routed locally - but not on Internet
Only in the address table
Remote router's connection to the frame relay switch isn't working
7. ipv6 global addresses start with ...
100
2000::/3
Sh frame-relay pvc
Examples and documentation
8. IPv6 FF00::/8
Destined for a single interface
Yes
Multicast range
Rommon
9. name a situation where a default route would be appropriate...
21
To provide routing to a destination not specified in the routing table and is outside the local network
Debug ip icmp
Ip ospf authentication - ip ospf authentication-key XXXXX
10. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
Access-class
Publicly routable addresses
Same subnet
TKIP and WEP
11. IPv6 2002::/16
The address is removed from the pool until the confilct is resolved.
Operational pvc
32 bits
Used with 6 to 4
12. What is the command to use an ACL for VTY access
Access-class
Unique local unicast range
120
Ipv6 rip <process-name> enable
13. How long is an IPv6 address?
21
53
128 bits
Ip ospf authentication - ip ospf authentication-key XXXXX
14. What is wrong with this command 'ip default-route 10.1.1.1'?
No frame-relay inverse-arp
It should be default-network
Compression - multilink support - authentication
One
15. IPv6 2000::/3
Global unicast range
No frame-relay inverse-arp
No LMI is being received by the switch or there is no service between the CPE and frame switch
Debug ppp authentication
16. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Ip ospf authentication - ip ospf authentication-key XXXXX
0
Sh frame-relay map
Destined for a single interface
17. udp port for DNS
No LMI is being received by the switch or there is no service between the CPE and frame switch
Access-class
Per frame sequence counters and key mixing using temporal keys.
53
18. OSPF hello packets are sent to which address?
224.0.0.5
<ctrl><shift>6 then x
Access-class
Sh flash
19. Which command turns on IPv6 routing?
Sh ip route eigrp
Ipv6 unicast-routing
Device identifier - address list - port identifier - capabilites list - platform
::1
20. EIGRP summarizes at class boundaries...
Destined for a single interface
Encapsulation mismatch and clock rate issues.
By default
Show arp
21. tcp/udp port for DNS
Encapsulation mismatch and clock rate issues.
161
Ripv2 is classless - multicasts - allows authentication
53
22. What type of cable connects the router's aux port to a modem?
Sh frame-relay traffic
::1 same as 127.0.0.1
Rollover
Remote router's connection to the frame relay switch isn't working
23. What criteria does OSPF use to determine RID?
In the address table and added to the running config
Examples and documentation
Point to point
Highest logical interface IP - then highest configured IP
24. What is the frame relay deleted state?
No LMI is being received by the switch or there is no service between the CPE and frame switch
Rollover
1544 kbps
Arp for the host
25. Which command disables frame-relay inverse arp?
Show frame-relay lmi
No frame-relay inverse-arp
Feature capabilities - hardware platform - run location and compression status
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
26. Which command shows pvc mappings between the router and the frame switch?
Yes
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Sh frame-relay pvc
21
27. Which command shows global frame relay stats since the last router reload?
Sh frame-relay traffic
0
By default
Same subnet
28. IPv6 0:0:0:0:0:0:0:0
Same as ::...same as 0.0.0.0
Sh arp and sh int
Compression - multilink support - authentication
Feature capabilities - hardware platform - run location and compression status
29. What is the ipv6 loopback address?
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
::1
Sh ip ospf interface
Sh ip eigrp neighbors
30. Which 2 port roles forward traffic under 802.1w standard?
The address is removed from the pool until the confilct is resolved.
1 -2 - 5.5 - 11
Root and designated
No LMI is being received by the switch or there is no service between the CPE and frame switch
31. What is the ipv6 loopback adddress?
120
32768
::1
Ipv6 unicast-routing
32. What command shows the amount of memory being used and whether there is enough room to load a new image?
In the address table and added to the running config
::1
Sh flash
Pap and chap
33. what command shows which vtp server updated the switch
Root and designated
In the address table and added to the running config
Sh vtp status
Per frame sequence counters and key mixing using temporal keys.
34. What can you utilize by using PPP layer 2 encapsulation?
Access-class
To configure a route form an ISP router into a corporate network
Compression - multilink support - authentication
Ip ospf authentication - ip ospf authentication-key XXXXX
35. Which command turns on RIPng for ipv6?
In the address table and added to the running config
Ipv6 rip <process-name> enable
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
32 bits
36. what 3 things can be deduced from the IOS image file name?
2000::/3
Feature capabilities - hardware platform - run location and compression status
Publicly routable addresses
It should be default-network
37. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
1 - 2 - 5.5 - 11
1544 kbps
Same subnet
38. What are the steps in PPP authentication?
Show frame-relay lmi
Used with 6 to 4
Link establishment - optional authentication - network layer protocol
Sh ip ospf interface
39. Name 2 reasons a serial connection can be in an up/down status?
Encapsulation mismatch and clock rate issues.
Same subnet
2000::/3
Examples and documentation
40. What command kills telnet session #3?
25
To configure a route form an ISP router into a corporate network
Multicast range
Disconnect 3
41. Which 2 commands show IP address associated with a MAC address
Split horizon and holddown timers
Sh arp and sh int
It should be default-network
Same subnet
42. What 4 things are necessary for 2 routers to form an eigrp relationship?
Local router - frame relay WAN
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
DLCI to an IP address
Sh frame-relay pvc
43. How long is an IPv4 address?
Leased lines
Sh frame-relay pvc
32 bits
Sh frame-relay traffic
44. What command shows the status of PVC - FECN - BECN
Sh frame-relay pvc
Operational pvc
Like private ipv4 address - but can't be routed at all
Boots to rommon
45. What is the default bridge STP priority?
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
32768
::1
Unique local unicast range
46. Which command suspends a telnet session?
Point to point
<ctrl><shift>6 then x
Device identifier - address list - port identifier - capabilites list - platform
Ripv2 is classless - multicasts - allows authentication
47. What encryption does WPA2 use
1023
Aes-ccmp
Rollover
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
48. IPv6 FC00::/7
Unique local unicast range
Sh ip ospf interface
128 bits
10 seconds with every 6th message being a full status message
49. tcp/udp port for SNMP
0
161
1 -2 - 5.5 - 11
1544 kbps
50. Dynamic secure mac addresses are stored...
To provide routing to a destination not specified in the routing table and is outside the local network
Rollover
DSSS
Only in the address table