New CCNA – New Questions

Note: If you are not sure about EtherChannel, please read my EtherChannel tutorial.

Question 1

Etherchannel question: You are given sw1 and sw2. The output of show etherchannel summary and show interface fa0/1. What is the cause of the problem? in exhibit, switch a cable is 100mb/s speed and b is 10mb/s. If you can look very carefully, there is speed mismatched to cause that problem. I selected “speed mismatch”

Question 2

Q2 (Etherchannel Questions that goes like this)
Refer to the exhibit. Etherchannel has been configured on Switch1 as shown.

Switch1# conf t
Switch1(config)# interface range gigabitethernet 1/1
Switch1(config)# Channel-group 5 Mode “AUTO”
Switch1#
Switch1(config)# interface range gigabitethernet 1/2
Switch1(config)# Channel-group 5 Mode “AUTO”

Which is the correct command set to configure etherchannel on Switch2?

A.
Switch2# configure terminal
Switch2(config)# interface range gigabitethernet3/1 -2
Switch2(config-if)# channel-group 5 mode auto

B.
Switch2# configure terminal
Switch2(config)# interface range gigabitethemet3/1 -2
Switch2(config-if)# channel-group 5 mode passive

C.
Switch2# configure terminal
Switch2(config)# interface range gigabitethernet3/1 -2
Switch2(config-if)# channel-group 5 mode desirable

D.
Switch2# configure terminal
Switch2(config)# interface range gigabitethernet3/1 -2
Switch2(config-if)# channel-group 5 mode ACTIVE

Answer: C

Good resource: http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/12.1_13_ea1/configuration/guide/swethchl.html#wp1028480

Question 3

Which OSPF command turn OSPF on all interfaces of a router?

Answer: network 0.0.0.0 255.255.255.255

Question 4

Network admin creates a layer 3 Etherchannel, bounding 4 interfaces into channel group 1. On what interface is the IP address configured?

A. the port-channel 1 interface

B. the highest number member interface

C. all member interfaces

D. the lowest number member interface

Answer: A

Question 5

3. What is the authentication type of SNMPv2?

A. Community Strings
B. HMAC-MD5
C. HDMAC-SHA

Answer: Community string

Question 6

What parameters can be different on ports with an Etherchannel?

A. speed
B. trunk encapsulation
C. DTP negotiation setting
D. duplex

Answer: C