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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. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
Destined for a single interface
1 -2 - 5.5 - 11
Link-local unicast range
One
2. What is the default configuration register setting?
Aes-ccmp
Private address. Can be routed locally - but not on Internet
2102
Yes
3. FR multipoint subinterfaces must be on the ________ to forward route updates and broadcasts
Sh frame-relay pvc
Same subnet
10.0.0.0 to 10.255.255.255
1 - 2 - 5.5 - 11
4. What is the ipv6 loopback address?
Publicly routable addresses
Sh frame-relay traffic
::1
No LMI is being received by the switch or there is no service between the CPE and frame switch
5. tcp/udp port for telnet
Show arp
Debug ppp authentication
FECN - BECN - DE
23
6. How long is an IPv6 address?
1 - 2 - 5.5 - 11
128 bits
Point to point
Examples and documentation
7. class a private addresses
Sh frame-relay pvc
Rollover
10.0.0.0 to 10.255.255.255
25
8. tcp/udp port for DNS
Show frame-relay lmi
Examples and documentation
172.16.0.0 to 172.31.255.255
53
9. IPv6 FC00::/7
Sh ip ospf interface
Ipv4 address in a mixed environment
Unique local unicast range
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
10. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Boots to rommon
Decimal - Hex
Ip addresses are conserved if vlsm is not used for subnetting
Sh ip int [interface]
11. class c private addresses
To configure a route form an ISP router into a corporate network
Used with 6 to 4
192.168.0.0 to 192.168.255.255
DSSS
12. Which command shows pvc mappings between the router and the frame switch?
Sh frame-relay pvc
10 seconds with every 6th message being a full status message
The address is removed from the pool until the confilct is resolved.
Sh ip ospf interface
13. IPv6 link-local address
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
14. What type of cable connects the router's aux port to a modem?
Arp for the host
Bypass startup config - initial config mode - password recovery
Show frame-relay lmi
Rollover
15. Which command suspends a telnet session?
Local router - frame relay WAN
Ipv6 address 2001:0:1:0::2/64 (example)
<ctrl><shift>6 then x
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
16. What type of frame subinterface do you use for hub and spoke?
2000::/3
Show frame-relay lmi
Point to point
Local router - frame relay WAN
17. Which command turns on RIPng for ipv6?
Nonbroadcast multi-access
32768
Ipv6 rip <process-name> enable
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
18. name a situation where a static route would be appropriate...
To configure a route form an ISP router into a corporate network
Examples and documentation
One
25
19. What is the LMI DLCI used in Cisco?
Destined for a single interface
No frame-relay inverse-arp
2102
1023
20. IPv6 FF00::/8
Multicast range
Highest logical interface IP - then highest configured IP
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
Aes-ccmp
21. What command shows the amount of memory being used and whether there is enough room to load a new image?
::1 same as 127.0.0.1
224.0.0.5
Sh flash
Sh vtp status
22. What spread spectrum technology does 802.11b use?
Private address. Can be routed locally - but not on Internet
DSSS
Network
Nonbroadcast multi-access
23. What type of frame subinterface do you use for hub and spoke?
224.0.0.5
Point to point
Decimal - Hex
120
24. IPv6 unicast address
Ripv2 is classless - multicasts - allows authentication
Yes
Destined for a single interface
To provide routing to a destination not specified in the routing table and is outside the local network
25. ipv6 global addresses start with ...
Publicly routable addresses
To configure a route form an ISP router into a corporate network
2000::/3
Sh frame-relay map
26. What does ripv2 do to prevent routing loops?
Destined for a single interface
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
Split horizon and holddown timers
27. Name 2 reasons a serial connection can be in an up/down status?
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Encapsulation mismatch and clock rate issues.
53
Yes
28. What are the two ppp authentication methods?
Pap and chap
One to first of many addresses
Sh frame-relay pvc
Rollover
29. IPv6 0:0:0:0:0:0:0:1
Unique local unicast range
Examples and documentation
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
::1 same as 127.0.0.1
30. The frame relay dlci identifies the logical circuit between the ______ and the ______
Local router - frame relay WAN
161
Per frame sequence counters and key mixing using temporal keys.
25
31. confreg 2120
Rommon
2102
Sh ip eigrp neighbors
Device identifier - address list - port identifier - capabilites list - platform
32. 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
Encapsulation mismatch and clock rate issues.
DLCI to an IP address
Show frame-relay lmi
33. Differences between ripv1 and ripv2
Ripv2 is classless - multicasts - allows authentication
One to many addresses...always start with ff
Only in the address table
53
34. Frame relay point to point interfaces emulate _______
Leased lines
Highest logical interface IP - then highest configured IP
Ipv6 unicast-routing
Triggered update - split horizon - route poisoning
35. What is wrong with this command 'ip default-route 10.1.1.1'?
It should be default-network
Encapsulation mismatch and clock rate issues.
Examples and documentation
1023
36. Which command shows global frame relay stats since the last router reload?
Local router - frame relay WAN
Sh frame-relay traffic
Sh frame-relay pvc
Ip ospf authentication - ip ospf authentication-key XXXXX
37. What can you utilize by using PPP layer 2 encapsulation?
Compression - multilink support - authentication
No LMI is being received by the switch or there is no service between the CPE and frame switch
Point to point
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
38. Sticky secure mac addresses are stored...
1 - 2 - 5.5 - 11
Ipv6 unicast-routing
In the address table and added to the running config
One to first of many addresses
39. What 4 things are necessary for 2 routers to form an eigrp relationship?
Rollover
Ip addresses are conserved if vlsm is not used for subnetting
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
40. udp port for DNS
Arp for the host
53
Disconnect 3
Sh arp and sh int
41. What does config register 0x2142 do?
Bypass startup config - initial config mode - password recovery
DSSS
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
23
42. What does config register 0x2100 do?
1 - 2 - 5.5 - 11
::1
Boots to rommon
Ipv4 address in a mixed environment
43. What 2 features did WPAV1 add to address WEP's weaknesses?
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
Per frame sequence counters and key mixing using temporal keys.
Examples and documentation
100
44. What is the frame relay active state?
Operational pvc
Decimal - Hex
Show frame-relay lmi
Sh ip int [interface]
45. What is the first action that a host will take when sending data to a host on a different network?
20
Debug ppp authentication
Arp for the host
It should be default-network
46. What rule does dhcp use when an IP address conflict is detected?
Q933a - cisco and ansi
Highest logical interface IP - then highest configured IP
The address is removed from the pool until the confilct is resolved.
To configure a route form an ISP router into a corporate network
47. What is the command to use an ACL for VTY access
Publicly routable addresses
32768
128 bits
Access-class
48. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
53
1544 kbps
Ipv4 address in a mixed environment
49. What are the three types of congestion notification used by frame relay?
Multicast range
Ipv4 address in a mixed environment
FECN - BECN - DE
Q933a - cisco and ansi
50. How often do LMI messages flow?
Only in the address table
10 seconds with every 6th message being a full status message
Debug ip icmp
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match