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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 rule does dhcp use when an IP address conflict is detected?
100
Sh ip int [interface]
Sh ip eigrp neighbors
The address is removed from the pool until the confilct is resolved.
2. Which command shows if an acl is applied to an interface?
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
In the address table and added to the running config
Sh frame-relay traffic
Sh ip int [interface]
3. IPv6 0:0:0:0:0:0:192.168.100.1
Ipv4 address in a mixed environment
Encapsulation mismatch and clock rate issues.
Only in the address table
Triggered update - split horizon - route poisoning
4. What are the steps in PPP authentication?
Link establishment - optional authentication - network layer protocol
21
Highest logical interface IP - then highest configured IP
Point to point
5. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
DLCI to an IP address
Operational pvc
Yes
Sh ip eigrp neighbors
6. tcp/udp port for SMTP
25
Access-class
No frame-relay inverse-arp
One to first of many addresses
7. Which command disables frame-relay inverse arp?
Ip addresses are conserved if vlsm is not used for subnetting
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
No frame-relay inverse-arp
128 bits
8. What speeds must be disabled in mixed 802.11b/g WLAN to allow only G clients to connect?
1 - 2 - 5.5 - 11
Ipv6 unicast-routing
Operational pvc
120
9. By default - FR is classified as what type of physical network?
100
Ip addresses are conserved if vlsm is not used for subnetting
Nonbroadcast multi-access
Ripv2 is classless - multicasts - allows authentication
10. Which 2 port roles forward traffic under 802.1w standard?
Network
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Only in the address table
Root and designated
11. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
128 bits
Split horizon and holddown timers
One
::1
12. IPv6 global unicast addresses
Publicly routable addresses
Only in the address table
Operational pvc
10 seconds with every 6th message being a full status message
13. What does config register 0x2142 do?
Root and designated
Bypass startup config - initial config mode - password recovery
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Sh frame-relay pvc
14. What command displays the CHAP authentication process in real time?
Sh frame-relay pvc
Debug ppp authentication
1023
Feature capabilities - hardware platform - run location and compression status
15. tcp/udp port for telnet
20
Show arp
23
::1
16. What is the frame relay active state?
Arp for the host
Nonbroadcast multi-access
Sh vtp status
Operational pvc
17. What does a frame relay pvc status of inactive indicate?
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Same as ::...same as 0.0.0.0
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
1 -2 - 5.5 - 11
18. What is the LMI DLCI used in ANSI?
Debug ppp authentication
0
Sh ip ospf interface
Multicast range
19. What is the default AD for RIP
2000::/3
172.16.0.0 to 172.31.255.255
120
Ipv6 unicast-routing
20. Which command shows pvc mappings between the router and the frame switch?
21
Sh frame-relay pvc
32768
Sh flash
21. Static secure mac addresses are stored...
Ignore nvram (password recovery)
In the address table and added to the running config
Ip ospf authentication - ip ospf authentication-key XXXXX
One to first of many addresses
22. IPv6 unicast address
Destined for a single interface
Point to point
::1 same as 127.0.0.1
Decimal - Hex
23. What type of frame subinterface do you use for hub and spoke?
Global unicast range
<ctrl><shift>6 then x
Point to point
Per frame sequence counters and key mixing using temporal keys.
24. udp port for DNS
53
Sh ip eigrp neighbors
Sh flash
Sh frame-relay pvc
25. Name 2 reasons a serial connection can be in an up/down status?
::1
Leased lines
Sh flash
Encapsulation mismatch and clock rate issues.
26. tcp/udp port for SNMP
10.0.0.0 to 10.255.255.255
161
In the address table and added to the running config
23
27. IPv6 0:0:0:0:0:0:0:1
Examples and documentation
::1 same as 127.0.0.1
Operational pvc
Sh frame-relay pvc
28. At which layer should you begin troubleshooting QOS issues?
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
Network
21
0
29. What commands create plain-text ospf authentication?
Ip ospf authentication - ip ospf authentication-key XXXXX
Aes-ccmp
2102
Show frame-relay lmi
30. What sequence of commands creates encrypted eigrp authentication
Boots to rommon
Sh ip int [interface]
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
Link establishment - optional authentication - network layer protocol
31. What is wrong with this command 'ip default-route 10.1.1.1'?
Access-class
It should be default-network
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Ipv6 unicast-routing
32. What is the command to use an ACL for VTY access
Access-class
25
172.16.0.0 to 172.31.255.255
Examples and documentation
33. tcp/udp port for FTP control
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
21
Unique local unicast range
Used with 6 to 4
34. 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
2102
::1 same as 127.0.0.1
Ip ospf authentication - ip ospf authentication-key XXXXX
35. IPv6 unique local address
Private address. Can be routed locally - but not on Internet
Destined for a single interface
Sh ip eigrp neighbors
53
36. Inverse ARP maps a ______ to a ________
2000::/3
Only in the address table
Global unicast range
DLCI to an IP address
37. What is the ipv6 loopback address?
Decimal - Hex
::1
DLCI to an IP address
Publicly routable addresses
38. IPv6 3FFF:FFFF::/32
One to many addresses...always start with ff
Operational pvc
Examples and documentation
Sh ip int [interface]
39. IPv6 2002::/16
10 seconds with every 6th message being a full status message
Highest logical interface IP - then highest configured IP
Used with 6 to 4
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
40. ipv6 global addresses start with ...
Pap and chap
2000::/3
Publicly routable addresses
Only in the address table
41. What is the first action that a host will take when sending data to a host on a different network?
Arp for the host
Sh ip route eigrp
25
10 seconds with every 6th message being a full status message
42. Which command turns on IPv6 routing?
In the address table and added to the running config
Boots to rommon
It should be default-network
Ipv6 unicast-routing
43. Which command shows mac addresses of stations connected to switch ports?
Compression - multilink support - authentication
Show arp
Sh ip int [interface]
Leased lines
44. Frame relay point to point interfaces emulate _______
Leased lines
10 seconds with every 6th message being a full status message
Ipv4 address in a mixed environment
Rommon
45. tcp/udp port for TFTP
Ip ospf authentication - ip ospf authentication-key XXXXX
Bypass startup config - initial config mode - password recovery
69
Ripv2 is classless - multicasts - allows authentication
46. tcp/udp port for FTP data
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
20
Point to point
DSSS
47. What commands create md5 encrypted ospf authentication?
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Examples and documentation
25
224.0.0.5
48. IPv6 0:0:0:0:0:0:0:0
Yes
::1
53
Same as ::...same as 0.0.0.0
49. What command shows the status of PVC - FECN - BECN
Q933a - cisco and ansi
100
Sh frame-relay pvc
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
50. The frame relay dlci identifies the logical circuit between the ______ and the ______
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Point to point
Local router - frame relay WAN
Boots to rommon