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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 0:0:0:0:0:0:0:0
Destined for a single interface
Rollover
Same as ::...same as 0.0.0.0
<ctrl><shift>6 then x
2. Inverse ARP maps a ______ to a ________
DLCI to an IP address
Multicast range
One to first of many addresses
Split horizon and holddown timers
3. Name 2 reasons a serial connection can be in an up/down status?
To configure a route form an ISP router into a corporate network
Ip ospf authentication - ip ospf authentication-key XXXXX
Encapsulation mismatch and clock rate issues.
2102
4. What information is supplied by CDP? (5)
One to first of many addresses
Rollover
1 -2 - 5.5 - 11
Device identifier - address list - port identifier - capabilites list - platform
5. tcp/udp port for SMTP
25
::1 same as 127.0.0.1
Point to point
One
6. What rule does dhcp use when an IP address conflict is detected?
Root and designated
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
The address is removed from the pool until the confilct is resolved.
Ripv2 is classless - multicasts - allows authentication
7. What does ripv2 do to prevent routing loops?
120
Like private ipv4 address - but can't be routed at all
Ipv6 unicast-routing
Split horizon and holddown timers
8. IPv6 You can replace ______ contiguous block(s) of zeros with a double colon?
Access-class
One
Ipv4 address in a mixed environment
::1
9. How does ripv2 respond to topology changes?
Debug ip icmp
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
Triggered update - split horizon - route poisoning
Same as ::...same as 0.0.0.0
10. Differences between ripv1 and ripv2
Ripv2 is classless - multicasts - allows authentication
10 seconds with every 6th message being a full status message
Boots to rommon
Nonbroadcast multi-access
11. IPv6 multicast address
One to many addresses...always start with ff
In the address table and added to the running config
Highest logical interface IP - then highest configured IP
Root and designated
12. EIGRP summarizes at class boundaries...
By default
Compression - multilink support - authentication
::1
Operational pvc
13. IPv6 FF00::/8
Multicast range
One
Ignore nvram (password recovery)
To configure a route form an ISP router into a corporate network
14. tcp/udp port for telnet
23
2000::/3
1 - 2 - 5.5 - 11
Unique local unicast range
15. confreg 2142
Ignore nvram (password recovery)
No LMI is being received by the switch or there is no service between the CPE and frame switch
100
Debug ip icmp
16. Which command shows if an acl is applied to an interface?
To configure a route form an ISP router into a corporate network
Sh ip int [interface]
Device identifier - address list - port identifier - capabilites list - platform
Private address. Can be routed locally - but not on Internet
17. What 4 things are necessary for 2 routers to form an eigrp relationship?
10 seconds with every 6th message being a full status message
21
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
To provide routing to a destination not specified in the routing table and is outside the local network
18. What type of frame subinterface do you use for hub and spoke?
Point to point
53
Link establishment - optional authentication - network layer protocol
It should be default-network
19. tcp/udp port for FTP control
21
Aes-ccmp
Boots to rommon
224.0.0.5
20. What command kills telnet session #3?
DLCI to an IP address
Disconnect 3
Point to point
Access-class
21. tcp/udp port for SNMP
161
Examples and documentation
Decimal - Hex
Device identifier - address list - port identifier - capabilites list - platform
22. The frame relay dlci identifies the logical circuit between the ______ and the ______
TKIP and WEP
Ipv6 unicast-routing
In the address table and added to the running config
Local router - frame relay WAN
23. udp port for DNS
FECN - BECN - DE
53
Highest logical interface IP - then highest configured IP
Only in the address table
24. What are the three options for LMI in FR?
Q933a - cisco and ansi
1 - 2 - 5.5 - 11
Ripv2 is classless - multicasts - allows authentication
FECN - BECN - DE
25. What is the frame relay deleted state?
Debug ip icmp
Disconnect 3
No LMI is being received by the switch or there is no service between the CPE and frame switch
Private address. Can be routed locally - but not on Internet
26. Which command disables frame-relay inverse arp?
No frame-relay inverse-arp
Link-local unicast range
10 seconds with every 6th message being a full status message
Show arp
27. Sticky secure mac addresses are stored...
In the address table and added to the running config
Sh ip int [interface]
Sh frame-relay traffic
No frame-relay inverse-arp
28. How long is an IPv6 address?
128 bits
Only in the address table
Highest logical interface IP - then highest configured IP
Direct - static - eigrp (inside) - igrp - ospf - rip - external eigrp
29. What can you utilize by using PPP layer 2 encapsulation?
Compression - multilink support - authentication
Unique local unicast range
Disconnect 3
2000::/3
30. What are the two ppp authentication methods?
Ipv6 rip <process-name> enable
Sh frame-relay map
Show arp
Pap and chap
31. IPv6 FC00::/7
Examples and documentation
Unique local unicast range
No LMI is being received by the switch or there is no service between the CPE and frame switch
1023
32. What is the frame relay active state?
Operational pvc
53
Examples and documentation
Same as ::...same as 0.0.0.0
33. Which command shows global frame relay stats since the last router reload?
Aes-ccmp
Sh frame-relay traffic
To configure a route form an ISP router into a corporate network
Same subnet
34. Which features did wpav4 add to address the weaknesses of WEP?
DLCI to an IP address
Sh frame-relay pvc
Per frame sequence counters and key mixing using temporal keys.
Sh arp and sh int
35. Static secure mac addresses are stored...
No LMI is being received by the switch or there is no service between the CPE and frame switch
Decimal - Hex
In the address table and added to the running config
10.0.0.0 to 10.255.255.255
36. What is the LMI DLCI used in Cisco?
Only in the address table
1023
Ignore nvram (password recovery)
Decimal - Hex
37. What command shows the status of PVC - FECN - BECN
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
Sh frame-relay pvc
Ipv6 unicast-routing
Debug ip icmp
38. What encryption does WPA2 use
Aes-ccmp
Ignore nvram (password recovery)
128 bits
Global unicast range
39. Which 2 commands show IP address associated with a MAC address
Sh arp and sh int
Root and designated
The pvc is correctly configured - but there is an issue on the remote end of the pvc.
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
40. What command determines if frame relay inverse arp resolved a remote IP address to a local DLCI on a multipoint interface or a subinterface?
Sh frame-relay map
DLCI to an IP address
1 -2 - 5.5 - 11
Sh flash
41. Which command turns on RIPng for ipv6?
Sh frame-relay traffic
Ipv6 rip <process-name> enable
120
Sh vtp status
42. What command displays the CHAP authentication process in real time?
Sh frame-relay map
The mac address is inserted in the table for fa0/1 only - the switch doesn't need to lear this MAC address
Device identifier - address list - port identifier - capabilites list - platform
Debug ppp authentication
43. What is the default bandwidth that EIGRP uses when no bandwidth is entered for an interface?
Disconnect 3
TKIP and WEP
32768
1544 kbps
44. Which command shows the IP of adjacent EIGRP neighbors as well as the retransmit intervals and queue counts?
To provide routing to a destination not specified in the routing table and is outside the local network
Sh ip eigrp neighbors
Private address. Can be routed locally - but not on Internet
Root and designated
45. What criteria does OSPF use to determine RID?
In the address table and added to the running config
Highest logical interface IP - then highest configured IP
Sh arp and sh int
Encapsulation mismatch and clock rate issues.
46. What spread spectrum technology does 802.11b use?
53
100
Operational pvc
DSSS
47. Dynamic secure mac addresses are stored...
192.168.0.0 to 192.168.255.255
2102
Examples and documentation
Only in the address table
48. What command shows the amount of memory being used and whether there is enough room to load a new image?
TKIP and WEP
Examples and documentation
53
Sh flash
49. What type of frame subinterface do you use for hub and spoke?
Destined for a single interface
Point to point
32768
53
50. IPv6 2001:0DB8::/32
161
Yes
Point to point
Examples and documentation