300-115 | The Secret of Cisco 300-115 dumps

Q6. If all devices on an EtherChannel are sending traffic to a single MAC address, which two methods of load

balancing on the EtherChannel are preferred? (Choose two.)

A. destination-MAC

B. dest-source-MAC

C. destination-IP

D. source-MAC

E. source-IP

Answer: B,D

Q7. Which command can be used to block a frame with an unknown destination MAC address from being forwarded out of an interface?

A. Switchport protected

B. It is not forwarded it the destination MAC address is unknown

C. switchport port-fast

D. switchport block unicast

Answer: A

Q8. Which two command sequences must you enter on a pair of switches so that they negotiate an EtherChannel using the Cisco proprietary port-aggregation protocol? (Choose two.)

A. channel-protocol lacp channel-group 1 mode on

B. channel-protocol pagp channel-group 1 mode auto

C. channel-protocol lacp channel-group 1 mode active

D. channel-protocol pagp channel-group 1 mode desirable

E. channel-protocol pagp channel-group 1 mode on

Answer: B,D

Q9. A network engineer is considering implementing UDLD throughout the network. Which option must the network engineer consider?

A. UDLD works at Layer 1 of the OSI model.

B. UDLD is already enabled by default on all ports on Cisco switches.

C. UDLD aggressively disables the port after eight failed retries to connect to neighbor.

D. UDLD is an IEEE standard that can be configured on non-Cisco devices.

Answer: C

Q10. The behavior of VLAN 1 BPDUs in a situation where the Native VLAN configured as VLAN 99 and the Native VLAN is Tagged?

A. VLAN 1 STP BPDU tagged through VLAN 1

B. VLAN 1 STP BPDU untagged through VLAN 1

C. VLAN 1 STP BPDU tagged through VLAN 99

D. VLAN 1 STP BPDU untagged through VLAN 99

E. VLAN 1 STP BPDU tagged through VLAN 1 and 99

F. VLAN 1 STP BPDU untagged through VLAN 1 and 99

Answer: A,D

Q11. When using EtherChannel misconfiguration guard, which technology is used to prevent this type of misconfiguration from affecting the network?

A. STP

B. port security

C. LACP

D. PAgP

Answer: A

Q12. Refer to the exhibit.

Which two commands ensure that dsw1 becomes root bridge for vlan 10 ?

A. DSW2(Config)#spanning-tree vlan 10 priority 61440

B. DSW2(Config)#spanning-tree vlan 10 priority 4066

C. DSW2(Config)#spanning-tree vlan 20 priority 0

D. DSW2(Config)#spanning-tree vlan 10 priority root

E. DSW2(Config)#spanning-tree vlan 10 port-priority 0

Answer: B,D

Q13. Refer to the exhibit.

Which two statements about SW1 are true? (Choose two)

A. Interface Gi5/1 is using a Cisco proprietary trunking protocol

B. On Interface Gi5/1, all untagged traffic is tagged with VLAN 113

C. The device is configured with the default MST region

D. Interface Gi5/1 is using an industry-standard trunking protocol

E. Interface Gi6/2 is the root port for VLAN 36

F. On interface Gi6/2, all untagged traffic is tagged with VLAN 600

Answer: D,F

Q14. Which statement about Layer 2 protocol participation of ports involved m a SPAN session is true?

A. Neither a SPAN source nor SPAN destination participates m any Layer 2 protocols.

B. A SPAN source does not participate n any Layer 2 protocols

C. A SPAN destination does not participate n any Layer 2 protocols

D. Both SPAN source and SPAN destination participate in any Layer 2 protocols

Answer: C

Q15. Which option is the maximum frame size for an 802.1Q frame?

A. 64 bytes

B. 68 bytes

C. 1518 bytes

D. 1522 bytes

Answer: D