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Q1. A network engineer must implement Ethernet links that are capable of transporting frames and IP traffic for different broadcast domains that are mutually isolated. Consider that this is a multivendor environment. Which Cisco IOS switching feature can be used to achieve the task?
A. PPP encapsulation with a virtual template
B. Link Aggregation Protocol at the access layer
C. dot1q VLAN trunking
D. Inter-Switch Link
Answer: C
Q2. When IP Source Guard with source IP filtering is enabled on an interface, which feature must be enabled on the access VLAN for that interface?
A. DHCP snooping
B. storm control
C. spanning-tree portfast
D. private VLAN
Answer: A
Q3. Refer to the exhibit.
What is the result of the configuration?
A. The EtherChannels would not form because the load-balancing method must match on the devices.
B. The EtherChannels would form and function properly even though the load-balancing and EtherChannel modes do not match.
C. The EtherChannels would form, but network loops would occur because the load- balancing methods do not match.
D. The EtherChannels would form and both devices would use the dst-ip load-balancing method because Switch1 is configured with EtherChannel mode active.
Answer: B
Q4. what percentage of bandwidth is reduced when a stack cable is broken?
A. 0
B. 25
C. 50
D. 75
E. 100
Answer: C
Q5. What is required for a LAN switch to support 802.1q Q-in-Q encapsulation?
A. Support less than 1500 MTU
B. Support 1504 MTU or higher
C. Support 1522 layer 3 IP and IPX packet
D. Support 1547 MTU only
Answer: B
Q6. What is the size of the VLAN field inside an 802.1q frame?
A. 8-bit
B. 12-bit
C. 16-bit
D. 32-bit
Answer: B
Q7. Which statement about using native VLANs to carry untagged frames is true?
A. Cisco Discovery Protocol version 2 carries native VLAN information, but version 1 does not.
B. Cisco Discovery Protocol version 1 carries native VLAN information, but version 2 does not.
C. Cisco Discovery Protocol version 1 and version 2 carry native VLAN information.
D. Cisco Discovery Protocol version 3 carries native VLAN information, but versions 1 and 2 do not.
Answer: A
Q8. Refer to the exhibit.
How can the traffic that is mirrored out the GigabitEthernet0/48 port be limited to only traffic that is received or transmitted in VLAN 10 on the GigabitEthernet0/1 port?
A. Change the configuration for GigabitEthernet0/48 so that it is a member of VLAN 10.
B. Add an access list to GigabitEthernet0/48 to filter out traffic that is not in VLAN 10.
C. Apply the monitor session filter globally to allow only traffic from VLAN 10.
D. Change the monitor session source to VLAN 10 instead of the physical interface.
Answer: C
Q9. An administrator recently configured all ports for rapid transition using PortFast. After testing, it has been determined that several ports are not transitioning as they should. What is the reason for this?
A. RSTP has been enabled per interface and not globally.
B. The STP root bridge selection is forcing key ports to remain in non-rapid transitioning mode.
C. STP is unable to achieve rapid transition for trunk links.
D. The switch does not have the processing power to ensure rapid transition for all ports.
Answer: C
Q10. A network engineer must improve bandwidth and resource utilization on the switches by stopping the inefficient flooding of frames on trunk ports where the frames are not needed. Which Cisco IOS feature can be used to achieve this task?
A. VTP pruning
B. access list
C. switchport trunk allowed VLAN
D. VLAN access-map
Answer: A
Q11. A network engineer notices inconsistent Cisco Discovery Protocol neighbors according to the diagram that is provided. The engineer notices only a single neighbor that uses Cisco Discovery Protocol, but it has several routing neighbor relationships. What would cause the output to show only the single neighbor?
A. The routers are connected via a Layer 2 switch.
B. IP routing is disabled on neighboring devices.
C. Cisco Express Forwarding is enabled locally.
D. Cisco Discovery Protocol advertisements are inconsistent between the local and remote devices.
Answer: A
Q12. A network engineer deployed a switch that operates the LAN base feature set and decides to use the SDM VLAN template. The SDM template is causing the CPU of the switch to
spike during peak working hours. What is the root cause of this issue?
A. The VLAN receives additional frames from neighboring switches.
B. The SDM VLAN template causes the MAC address-table to overflow.
C. The VLAN template disables routing in hardware.
D. The switch needs to be rebooted before the SDM template takes effect.
Answer: C
Q13. Which private VLAN access port belongs to the primary VLAN and can communicate with all interfaces, including the community and isolated host ports?
A. promiscuous port
B. isolated port
C. community port
D. trunk port
Answer: A
Q14. What is the default HSRP priority?
A. 50
B. 100
C. 120
D. 1024
Answer: B
Q15. A network engineer wants to ensure Layer 2 isolation of customer traffic using a private VLAN. Which configuration must be made before the private VLAN is configured?
A. Disable VTP and manually assign VLANs.
B. Ensure all switches are configured as VTP server mode.
C. Configure VTP Transparent Mode.
D. Enable VTP version 3.
Answer: C
Q16. Which two protocols can be automatically negotiated between switches for trunking? (Choose two.)
A. PPP
B. DTP
C. ISL
D. HDLC
E. DLCI
F. DOT1Q
Answer: C,F
Q17. An access switch has been configured with an EtherChannel port. After configuring SPAN to monitor this port, the network administrator notices that not all traffic is being replicated to the management server. What is a cause for this issue?
A. VLAN filters are required to ensure traffic mirrors effectively.
B. SPAN encapsulation replication must be enabled to capture EtherChannel destination traffic.
C. The port channel can be used as a SPAN source, but not a destination.
D. RSPAN must be used to capture EtherChannel bidirectional traffic.
Answer: C