[Aug-2026] Cisco 350-401 Official Cert Guide PDF
Exam 350-401: Implementing Cisco Enterprise Network Core Technologies (350-401 ENCOR) - NewPassLeader
Cisco offers various resources to help candidates prepare for the 350-401 ENCOR certification exam. These resources include instructor-led training, e-learning modules, study groups, and online communities. Cisco also offers practice exams and lab simulations to help candidates gain hands-on experience and build confidence before taking the final certification exam.
NEW QUESTION # 170
What are the four stages of obtaining an IP address lease from a DHCP server?
- A. Discover, Offer, Request, Acknowledge
- B. Discover, Obtain, Request, Renew
- C. Determine, Obtain, Release, Acknowledge
- D. Discover, Offer, Release, Renew
Answer: A
NEW QUESTION # 171
Refer to the exhibit. A network engineer is troubleshooting an issue with the file server based on reports of slow file transmissions. Which two commands or command sets are required to switch SW1 to analyze the traffic from the file server with a packet analyzer? (Choose two.)
- A. SW1(config)#monitor session 1 source interface gigabitethernet0/3
SW1(config)#monitor session 1 destination interface gigabitethernet0/1 encapsulation replicate - B. SW1#show monitor
- C. SW1(config)#monitor session 1 source interface gigabitethernet0/1 SW1(config)#monitor session 1 destination interface gigabitethernet0/3 encapsulation replicate
- D. SW1#show vlan
- E. SW1#show ip route
Answer: A,B
NEW QUESTION # 172
Refer to The exhibit.
Assuming that R1 is a CE router, which VRF is assigned to Gi0/0 on R1?
- A. VRF VPN_B
- B. default VRF
- C. VRF VFN_A
- D. management VRF
Answer: B
NEW QUESTION # 173
Refer to the exhibit.
Which two commands ensure that DSW1 becomes the root bridge for VLAN 10 and 20? (Choose two.)
- A. spanning-tree mil 1 root primary
- B. spanning-tree mst vlan 10.20 priority root
- C. spanning-tree mstp vlan 10.20 root primary
- D. spanning-tree mst 1 priority 4096
- E. spanning-tree mst 1 priority 1
Answer: B,D
NEW QUESTION # 174
Drag and drop the characteristics from the left onto the appropriate infrastructure deployment types on the right.
Answer:
Explanation:
NEW QUESTION # 175
What is an advantage of utilizing data models in a multivendor environment?
- A. lowering CPU load incurred to managed devices
- B. removing the distinction between configuration and runtime state data
- C. facilitating a unified approach to configuration and management
- D. improving communication security with binary encoded protocols
Answer: C
Explanation:
Utilizing data models in a multivendor environment facilitates a unified approach to configuration and management. This is because data models provide a standardized way to represent network configurations, making it easier to manage devices from different vendors within the same network. References: The advantage of using data models is supported by the Implementing and Operating Cisco Service Provider Network Core Technologies source book and corroborated by the search results
NEW QUESTION # 176
Simulation 07
Refer to the exhibit.
Answer:
Explanation:
Sw1
Config t
Archive
Log config
Logging enable
Notify syslog
R1
Config t
Ip flow-top-talkers
Match source address 172.16.2.1/30
Int et0/2
Ip flow ingress
Copy run start
NEW QUESTION # 177
VLAN identifier space is only 12 bits. The VXLAN identifier space is 24 bits. This doubling in size allows the VXLAN ID space to support 16 million Layer 2 segments -> Answer 'VXLAN extends the Layer 2 Segment ID field to 24-bits, which allows up to 4094 unique Layer 2 segments over the same network' is not correct.
VXLAN is a MAC-in-UDP encapsulation method that is used in order to extend a Layer 2 or Layer 3 overlay network over a Layer 3 infrastructure that already exists.
Reference: https://www.cisco.com/c/en/us/support/docs/lan-switching/vlan/212682-virtualextensible- lan-and-ethernet-virt.html QUSTION NO: 97 A client with IP address 209 16b 201 2b must access a web server on port 80 at 209 I6b.200.22b. To allow this traffic. an engineer must add a statement to an access control list that is applied in the inbound direction on the port connecting to the web server Which statement allows this traffic?
- A. permit tcp host 209.165.200.225 host 209.165.201.25 eq 80
- B. permit tcp host 209.165.200 225 It 80 host 209.165.201.25
- C. permit tcp host 209 165 200 225 eq 80 host 209.165.201.25
- D. permit tcp host 209 165.201 25 host 209.165.200.225 eq 80
Answer: D
NEW QUESTION # 178
Which two statements about IPv4 and IPv6 networks are true? (Choose two.)
- A. In IPv6, hosts perform fragmentation.
- B. IPv6 uses a required checksum at the network layer.
- C. IPv4 uses an optional checksum at the transport layer.
- D. In IPv6, routers perform fragmentation.
- E. In IPv4, fragmentation is performed by the source of the packet.
- F. IPv6 uses a UDP checksum to verify packet integrity.
Answer: A,F
NEW QUESTION # 179
Refer to the exhibit. An engineer must ensure that all traffic entering AS 200 from AS 100 chooses Link 2 as an entry point. Assume that all BGP neighbor relationships have been formed and that the attributes have not been changed on any of the routers.
Which configuration accomplishes this task?
- A. R3(config)#route-map PREPEND permit 10
R3(config-route-map)#set as-path prepend 200 200 200
R3(config)#router bgp 200
R3#(config-router)#neighbor 10.1.1.1 route-map PREPEND out - B. R4(config)#route-map PREPEND permit 10
R4(config-route-map)#set as-path prepend 200 200 200
R4(config)#router bgp 200
R4(config-router)#neighbor 10.2.2.2 route-map PREPEND out - C. R3(config)#route-map PREPEND permit 10
R3(config-route-map)#set as-path prepend 100 100 100
R3(config)#router bgp 200
R3(config-router)#neighbor 10.1.1.1 route-map PREPEND in - D. R4(config)#route-map PREPEND permit 10
R4(config-route-map)#set as-path prepend 100 100 100
R4(config)#router bgp 200
R4(config-router)#neighbor 10.2.2.2 route-map PREPEND in
Answer: A
Explanation:
R3 prepends its AS and sends it outbound to R1 in AS 100. Because R1 and R2 are in one iBGP domain (AS 100), all traffic from AS 100 will prefer to use a shorter AS path to AS 200 which is R4's link.
NEW QUESTION # 180
Drag and drop the tools from the left onto the agent types on the right.
Answer:
Explanation:
NEW QUESTION # 181
At which layer does Cisco DNA Center support REST controls?
- A. EEM applets or scripts
- B. northbound APIs
- C. YAML output from responses to API calls
- D. session layer
Answer: B
NEW QUESTION # 182
Which two sources cause interference for Wi-Fi networks? (Choose two).
- A. Incandesent lights
- B. mirrored wall
- C. DECT 6.0 cordless
- D. fish tank
- E. 900MHz baby monitor
Answer: B,D
Explanation:
Explanation
Windows can actually block your WiFi signal. How? Because the signals will be reflected by the glass.
Some new windows have transparent films that can block certain wave types, and this can make it harder for your WiFi signal to pass through.
Tinted glass is another problem for the same reasons. They sometimes contain metallic films that can completely block out your signal. Mirrors, like windows, can reflect your signal. They're also a source of electromagnetic interference because of their metal backings.
Reference: https://dis-dot-dat.net/what-materials-can-block-a-wifi-signal/
An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a wire filament heated until it glows. WiFi operates in the gigahertz microwave band. The FCC has strict regulations on RFI (radio frequency interference) from all sorts of things, including light bulbs -> Incandesent lights do not interfere Wi-Fi networks.
Note:
+ Many baby monitors operate at 900MHz and won't interfere with Wi-Fi, which uses the 2.4GHz band. + DECT cordless phone 6.0 is designed to eliminate wifi interference by operating on a different frequency.
There is essentially no such thing as DECT wifi interference.
NEW QUESTION # 183
An engineer must configure the strongest password authentication to locally authenticate on a router. Which configuration must be used?
- A. Option A
- B. Option D
- C. Option C
- D. Option B
Answer: B
Explanation:
Explanation
Scrypt is safer than MD5, so answer A is wrong and answer D is correct
R1(config)#username user secret ?0 Specifies an UNENCRYPTED secret will follow5 Specifies a MD5 HASHED secret will follow8 Specifies a PBKDF2 HASHED secret will follow9 Specifies a SCRYPT HASHED secret will follow<0-9> Encryption types not explicitly specifiedLINE The UNENCRYPTED (cleartext) user secretLINE The UNENCRYPTED (cleartext) user secret Reference: https://community.cisco.com/t5/networking-documents/understanding-the-differences-between-the-c
NEW QUESTION # 184
Refer to the exhibit. What does this Python script do?
- A. reads the username for a specific IP address from a light database
- B. enters the RADIUS username for a specific IP address
- C. writes the username for a specific IP address into a light database
- D. enters the TACACS+ username for a specific IP address
Answer: A
NEW QUESTION # 185 
Refer to the exhibit. What is achieved by this Python script?
- A. It reads access list statements into a dictionary list
- B. It converts access list statements to a human-readable format.
- C. It displays access list statements on a terminal screen.
- D. It configures access list statements
Answer: A
NEW QUESTION # 186
Which command set configures RSPAN to capture outgoing traffic from VLAN 3 on interface GigabitEthernet 0/3 while ignoring other VLAN traffic on the same interface?
- A. Option A
- B. Option D
- C. Option C
- D. Option B
Answer: B
NEW QUESTION # 187 
Refer to the exhibit A network engineer must use a Python script lo convert data received from a network device. Which type of data is printed to the console when the script runs?
- A. list of lists
- B. tuple list
- C. dictionary with a key-value pair
- D. list of strings
Answer: C
NEW QUESTION # 188
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