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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. How long is an IPv4 address?
10.0.0.0 to 10.255.255.255
53
DSSS
32 bits
2. EIGRP summarizes at class boundaries...
Sh ip int [interface]
25
No LMI is being received by the switch or there is no service between the CPE and frame switch
By default
3. Dynamic secure mac addresses are stored...
Root and designated
FECN - BECN - DE
Only in the address table
Yes
4. OSPF hello packets are sent to which address?
Sh frame-relay traffic
Point to point
Ip addresses are conserved if vlsm is not used for subnetting
224.0.0.5
5. Frame relay point to point interfaces emulate _______
Leased lines
Sh frame-relay map
1 -2 - 5.5 - 11
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
6. class c private addresses
192.168.0.0 to 192.168.255.255
Point to point
Ipv6 address 2001:0:1:0::2/64 (example)
Sh ip int [interface]
7. tcp/udp port for POP3
Network
32 bits
The address is removed from the pool until the confilct is resolved.
100
8. confreg 2120
Sh vtp status
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Rommon
DLCI to an IP address
9. tcp/udp port for SNMP
161
23
Ipv6 unicast-routing
Pap and chap
10. What sequence of commands creates encrypted eigrp authentication
Ipv4 address in a mixed environment
Highest logical interface IP - then highest configured IP
Global 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
11. What is the command to use an ACL for VTY access
Access-class
Unique local unicast range
Ipv6 rip <process-name> enable
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
12. What are the steps in PPP authentication?
2102
Link establishment - optional authentication - network layer protocol
DLCI to an IP address
2000::/3
13. How does ripv2 respond to topology changes?
Root and designated
Show arp
Multicast range
Triggered update - split horizon - route poisoning
14. What are the two ppp authentication methods?
Pap and chap
0
Rommon
Highest logical interface IP - then highest configured IP
15. Which command turns on RIPng for ipv6?
23
Ipv6 rip <process-name> enable
One to first of many addresses
Remote router's connection to the frame relay switch isn't working
16. class b private addresses
172.16.0.0 to 172.31.255.255
53
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Examples and documentation
17. What criteria does OSPF use to determine RID?
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Publicly routable addresses
Highest logical interface IP - then highest configured IP
Rollover
18. What commands create md5 encrypted ospf authentication?
One to first of many addresses
One
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
Global unicast range
19. What is the LMI DLCI used in Cisco?
Nonbroadcast multi-access
Remote router's connection to the frame relay switch isn't working
1023
In the address table and added to the running config
20. What is the first action that a host will take when sending data to a host on a different network?
Like private ipv4 address - but can't be routed at all
Sh frame-relay traffic
Arp for the host
Decimal - Hex
21. What is the advantage of using multipoint interfaces instead of point to point subinterfaces in a frame hub and spoke config?
Ip addresses are conserved if vlsm is not used for subnetting
Compression - multilink support - authentication
1544 kbps
Device identifier - address list - port identifier - capabilites list - platform
22. Which command shows frame relay status and keep-alive information?
Private address. Can be routed locally - but not on Internet
Destined for a single interface
Show frame-relay lmi
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
23. tcp/udp port for telnet
It should be default-network
23
Q933a - cisco and ansi
1544 kbps
24. What command shows the amount of memory being used and whether there is enough room to load a new image?
Disconnect 3
Sh flash
Highest logical interface IP - then highest configured IP
0
25. Which 2 port roles forward traffic under 802.1w standard?
53
Root and designated
Triggered update - split horizon - route poisoning
It should be default-network
26. IPv6 0:0:0:0:0:0:0:0
Ip ospf authentication - ip ospf authentication-key XXXXX
Show frame-relay lmi
Examples and documentation
Same as ::...same as 0.0.0.0
27. udp port for DNS
Boots to rommon
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
Access-class
53
28. What can you utilize by using PPP layer 2 encapsulation?
53
Encapsulation mismatch and clock rate issues.
Show frame-relay lmi
Compression - multilink support - authentication
29. 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
120
Compression - multilink support - authentication
::1 same as 127.0.0.1
30. What does ripv2 do to prevent routing loops?
Yes
Point to point
Split horizon and holddown timers
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
31. By default - FR is classified as what type of physical network?
Nonbroadcast multi-access
To configure a route form an ISP router into a corporate network
Used with 6 to 4
Sh frame-relay pvc
32. class a private addresses
In the address table and added to the running config
Ripv2 is classless - multicasts - allows authentication
10.0.0.0 to 10.255.255.255
Aes-ccmp
33. 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
To provide routing to a destination not specified in the routing table and is outside the local network
Decimal - Hex
Rommon
34. Which command shows global frame relay stats since the last router reload?
Leased lines
Sh frame-relay traffic
No frame-relay inverse-arp
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
35. IPv6 3FFF:FFFF::/32
No LMI is being received by the switch or there is no service between the CPE and frame switch
Examples and documentation
Nonbroadcast multi-access
20
36. IPv6 link-local address
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
37. What command displays the CHAP authentication process in real time?
Access-class
Debug ppp authentication
::1
TKIP and WEP
38. IPv6 unique local address
Triggered update - split horizon - route poisoning
Sh flash
Q933a - cisco and ansi
Private address. Can be routed locally - but not on Internet
39. Which command shows pvc mappings between the router and the frame switch?
Used with 6 to 4
No frame-relay inverse-arp
Sh frame-relay pvc
Ip ospf authentication message-digest - ip ospf message-digest-key xkey numberx md5 zmessage keyz
40. Which command shows frame relay status and keep-alive information?
Show frame-relay lmi
Directly connected or connected to multiaccess media - ip addy and snm must be in same network - and hello and dead timers must match
Local router - frame relay WAN
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
41. Which command suspends a telnet session?
Disconnect 3
<ctrl><shift>6 then x
Sh frame-relay pvc
120
42. What information is supplied by CDP? (5)
In the address table and added to the running config
Device identifier - address list - port identifier - capabilites list - platform
Per frame sequence counters and key mixing using temporal keys.
Point to point
43. IPv6 global unicast addresses
Sh frame-relay pvc
Ip addresses are conserved if vlsm is not used for subnetting
Publicly routable addresses
The address is removed from the pool until the confilct is resolved.
44. Which command assigns an IPv6 address to an interface?
Bypass startup config - initial config mode - password recovery
Ipv6 address 2001:0:1:0::2/64 (example)
Publicly routable addresses
128 bits
45. IPv4 addresses are represented in _____ while IPv6 addresses are represented in ______.
Decimal - Hex
Same subnet
Used with 6 to 4
Examples and documentation
46. IPv6 2001:0DB8::/32
Examples and documentation
53
Per frame sequence counters and key mixing using temporal keys.
Sh vtp status
47. What is the frame relay inactive state?
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
48. What type of cable connects the router's aux port to a modem?
Rollover
Feature capabilities - hardware platform - run location and compression status
Sh flash
Nonbroadcast multi-access
49. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Encapsulation mismatch and clock rate issues.
32768
1544 kbps
Show frame-relay lmi
50. What commands create plain-text ospf authentication?
Device identifier - address list - port identifier - capabilites list - platform
Ip ospf authentication - ip ospf authentication-key XXXXX
53
Ipv6 unicast-routing