August/2019 Braindump2go 300-115 Exam Dumps with PDF and VCE New Updated Today! Following are some 300-115 Real Exam Questions:
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Real Questions
There are 2 SW and 2 PCs. There is a trunk with VLAN 1 and 5 allowed. Question is if you do “switchport trunk allowed vlan 2,3,4” on SW2, what happens. Ports towards PCs are in mode access VLAN 5
A. The connection is lost between PCs, because you will remove VLANs 1 and 5 from trunk with this command. You should use “switchport trunk allowed vlan” to add additional VLANs into trunk
Answer: A
Real Questions
Which option TPI 802.1Q tag?
A. 0x0806
B. 0x888E
C. 0x0800
D. 0x8100
Answer: D
Explanation:
16 bit field set to 0x8100 in order to identify the frame as 802.1q tagged frame.
Real Questions
MAC address filter
A. CPU-destined
B. router
C. unicast
D. multicast
Answer: C
Real Questions
Question about what would be, if write command “spanning-tree portfast trunk”?
A. trunk port will be immediately
B. trunk port can be portfast mode
C. BDPU turn this port to err-disabled
D. BDPU turn this port to shutdown
Answer: B
Explanation:
https://cciepursuit.wordpress.com/2009/01/20/enabling-portfast-on-trunks/
Real Questions
What statement is true if a new switch with a lower bridge ID is introduced in a network with root guard enhancement?
A. Prevent unknown switch be a root port
B. Root Guard puts the port into root-inconsistent
C. Allow two root bridges in a network
D. All ports of the new switch are changed to listening state
Answer: B
Explanation:
https://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/10588-74.html
Real Questions
How to configure loop guard in a Cisco switch IOS?
A. config)#spanning-tree loop guard default
B. config-if)#spanning-tree loop
C. config)#spanning-tree loop-guard default
D. config-if)#spanning-tree guard loop
Answer: D
Explanation:
spanning-tree guard loop
Router(config)#interface gigabitEthernet 1/1
Router(config-if)# spanning-tree guard loop
Real Questions
A dynamic access port is member of which VLAN by default?
A. VLAN 1 is the default VLAN
B. Not Available
C. none until the port VLAN is determined
D. Not Available
Answer: A
Real Questions
What will be behavior of an access port when a tagged packet is received with a VLAN ID of an acces port?
A. tag is removed and packet is forwarded on the VLAN of the trunk port.
B. tag is removed and packet is forwarded to the VLAN mentioned in the tag
C. packet is dropped
D. tag is removed and packet is forwarded on the VLAN of the access port
Answer: D
Real Questions
What is an extension of HSRP that allows load sharing between two or more HSRP groups
A. MHSRP
B. GLBP
C. GHSRP
D. Not Available
Answer: A
Real Questions
A question in regards to RSPAN
A. vlan 510 remote span
B. vlan 4029 remote span
C. vlan 4029 span
D. vlan 510 span
Answer: A
Real Questions
A question about configuring spanning-tree port-priority based on a diagram.
A. (config)# spanning-tree port-priority 127
B. (config-if)# spanning-tree port-priority 127
C. (config)# spanning-tree port-priority 129
D. (config-if)# spanning-tree port-priority 129
Answer: B
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