CCNP ENCOR 350-401 Practice Test
2026/2027 | 110 Questions with Answers &
Explanations | Cisco Certification Exam Prep
Description:
Pass the CCNP Enterprise Core (350-401) ENCOR exam in 2026/2027 with this
comprehensive practice test featuring 110 realistic questions, detailed answers, and expert
explanations. Covers routing, switching, wireless, QoS, multicast, SD-WAN, and security.
Download now and pass on your first attempt!
, ENCOR 350-401 Practice Exam 2026/2027
Academic Year: 2026/2027
Exam Code: 350-401 ENCOR
Total Questions: 110
Time Allowed: 120 minutes
Section 1: Layer 2 Switching Technologies (Questions 1-15)
Question 1
How does a switch initially populate its MAC address table when processing an Ethernet frame?
A. By examining the destination MAC address and forwarding the frame to all ports in the same
VLAN
B. By associating the source MAC address of the received frame with the ingress port
C. By using ARP requests to learn the location of all devices on the network
D. By storing the destination MAC address along with the egress port number
Answer: B
Explanation: When a switch receives an Ethernet frame, it examines the source MAC address
and adds an entry to its MAC address table that maps that MAC address to the ingress port where
the frame was received.
Question 2
A dynamically learned MAC address has not been seen by the switch for an extended period.
After what duration will the switch remove this entry from the MAC address table by default?
A. 60 seconds
B. 120 seconds
C. 300 seconds
D. 600 seconds
,Answer: C
Explanation: The default aging timeout for dynamically learned MAC addresses on Cisco
switches is 300 seconds (5 minutes).
Question 3
Which three actions can a switch perform when processing a received frame? (Choose three)
A. Forward
B. Encrypt
C. Flood
D. Drop
E. Fragment
F. Queue
Answer: A, C, D
Explanation: Switches can forward, flood, or drop frames.
Question 4
Which two entry types can be found within a switch's MAC address table? (Choose two)
A. Static
B. Volatile
C. Dynamic
D. Persistent
E. Temporary
Answer: A, C
Explanation: MAC address tables contain static and dynamic entries.
, Question 5
What is the primary purpose of a VLAN in an enterprise network?
A. To increase the bandwidth available to end devices
B. To create logical groupings of devices within the same Layer 2 broadcast domain
C. To enable routing between different IP subnets
D. To provide encryption for sensitive network traffic
Answer: B
Explanation: VLANs create logical groupings of devices within the same Layer 2 broadcast
domain.
Question 6
What is the default VLAN on Cisco Catalyst switches?
A. VLAN 0
B. VLAN 1
C. VLAN 1001
D. VLAN 4095
Answer: B
Explanation: VLAN 1 is the default VLAN on all Cisco Catalyst switches.
Question 7
Where does a Cisco switch store its VLAN configuration information?
A. In the running-config file only
B. In the startup-config file only
C. In a separate file called vlan.dat on flash memory
D. In the NVRAM as part of the IOS image
Answer: C
2026/2027 | 110 Questions with Answers &
Explanations | Cisco Certification Exam Prep
Description:
Pass the CCNP Enterprise Core (350-401) ENCOR exam in 2026/2027 with this
comprehensive practice test featuring 110 realistic questions, detailed answers, and expert
explanations. Covers routing, switching, wireless, QoS, multicast, SD-WAN, and security.
Download now and pass on your first attempt!
, ENCOR 350-401 Practice Exam 2026/2027
Academic Year: 2026/2027
Exam Code: 350-401 ENCOR
Total Questions: 110
Time Allowed: 120 minutes
Section 1: Layer 2 Switching Technologies (Questions 1-15)
Question 1
How does a switch initially populate its MAC address table when processing an Ethernet frame?
A. By examining the destination MAC address and forwarding the frame to all ports in the same
VLAN
B. By associating the source MAC address of the received frame with the ingress port
C. By using ARP requests to learn the location of all devices on the network
D. By storing the destination MAC address along with the egress port number
Answer: B
Explanation: When a switch receives an Ethernet frame, it examines the source MAC address
and adds an entry to its MAC address table that maps that MAC address to the ingress port where
the frame was received.
Question 2
A dynamically learned MAC address has not been seen by the switch for an extended period.
After what duration will the switch remove this entry from the MAC address table by default?
A. 60 seconds
B. 120 seconds
C. 300 seconds
D. 600 seconds
,Answer: C
Explanation: The default aging timeout for dynamically learned MAC addresses on Cisco
switches is 300 seconds (5 minutes).
Question 3
Which three actions can a switch perform when processing a received frame? (Choose three)
A. Forward
B. Encrypt
C. Flood
D. Drop
E. Fragment
F. Queue
Answer: A, C, D
Explanation: Switches can forward, flood, or drop frames.
Question 4
Which two entry types can be found within a switch's MAC address table? (Choose two)
A. Static
B. Volatile
C. Dynamic
D. Persistent
E. Temporary
Answer: A, C
Explanation: MAC address tables contain static and dynamic entries.
, Question 5
What is the primary purpose of a VLAN in an enterprise network?
A. To increase the bandwidth available to end devices
B. To create logical groupings of devices within the same Layer 2 broadcast domain
C. To enable routing between different IP subnets
D. To provide encryption for sensitive network traffic
Answer: B
Explanation: VLANs create logical groupings of devices within the same Layer 2 broadcast
domain.
Question 6
What is the default VLAN on Cisco Catalyst switches?
A. VLAN 0
B. VLAN 1
C. VLAN 1001
D. VLAN 4095
Answer: B
Explanation: VLAN 1 is the default VLAN on all Cisco Catalyst switches.
Question 7
Where does a Cisco switch store its VLAN configuration information?
A. In the running-config file only
B. In the startup-config file only
C. In a separate file called vlan.dat on flash memory
D. In the NVRAM as part of the IOS image
Answer: C
