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400-007 Real Exam Question Answers Updated [Jul 03, 2025]

NEW QUESTION # 182
As network designer, which option is your main concern with regards to virtualizing multiple network zones into a single hardware device?

• A. Congestion control
• B. CPU resource allocation
• C. Fate sharing
• D. Bandwidth allocation
• E. Security

Answer: C

NEW QUESTION # 183
Which two advantages of using DWDM over traditional optical networks are true? (Choose two.)

• A. inherent topology flexibility with built-in service protection
• B. inherent topology flexibility and service protection provided without penalty through intelligent oversubscription of bandwidth reservation
• C. inherent topology flexibility with a service protection provided through a direct integration with an upper layer protocol
• D. inherent topology flexibility with intelligent chromatic dispersion
• E. ability to expand bandwidth over existing optical Infrastructure

Answer: A,E

NEW QUESTION # 184
Refer to the exhibit.

An engineer has been asked to redesign the traffic flow toward AS 111 coming from AS 500.Traffic destined to AS 111 network 91 7 0.0/16 should come in via AS 100. while traffic destined to all other networks in AS
111 should continue to use the existing path Which BGP attributes are best suited to control this inbound traffic coming from BGP AS 500 Into the 91.7.0.0/16 network?

• A. Set higher MED for neighbor in AS 100 to influence incoming traffic for the 91. 7.0.0/16 network.
• B. Use extended community for the 91.7.0.0/16 network, not advertising it to the bi-lateral peer.
• C. Use local preference on R1 for the networks that AS 500 advertises to AS 111.
• D. Prepend AS path for the 91.7.0.0/16 network and set it for neighbor in AS 200.

Answer: D

NEW QUESTION # 185
A service provider hires you to design its new managed CE offering to meet these requirements
* The CEs cannot run a routing protocol with the PE
* Provide the ability for equal or unequal ingress load balancing in dual-homed CE scenarios.
* Provide support for IPv6 customer routes
* Scale up to 250.000 CE devices per customer.
* Provide low operational management to scale customer growth.
* Utilize low-end (inexpensive) routing platforms for CE functionality.
Which tunneling technology do you recommend?

• A. point-to-point GRE
• B. DMVPN
• C. FlexVPN
• D. LISP

Answer: D

NEW QUESTION # 186
A multinational enterprise integrates a cloud solution with these objectives
* Achieve seamless connectivity across different countries and regions
* Extend data center and private clouds into public clouds and provider-hosted clouds What are two outcomes of deploying data centers and fabrics that interconnect different cloud networks? (Choose two.)

• A. data and network ownership
• B. unidirectional workload mobility across the cloud
• C. centralized visibility
• D. ability to place workloads across clouds
• E. enhanced security

Answer: D,E

NEW QUESTION # 187
The Company XYZ network requires OSPF dead neighbor detection in a subsecond manner However the company network does not support BFD Which other feature can be used to fulfill the design requirement?

• A. LFA
• B. STP
• C. DPD
• D. fast hello

Answer: D

NEW QUESTION # 188
Drag and drop the end-to-end network virtualization elements from the left onto the correct network areas on the right.

Answer:

Explanation:

NEW QUESTION # 189
In search of a system capable of hosting, monitoring compiling. and testing code in an automated way, what can be recommended to the organization?

• A. Ansible
• B. Jenkins
• C. Chef
• D. Perl

Answer: B

NEW QUESTION # 190
A company uses equipment from multiple vendors in a data center fabric to deliver SDN, enable maximum flexibility, and provide the best return on investment. Which YANG data model should be adopted for comprehensive features to simplify and streamline automation for the SDN fabric?

• A. OpenConfig
• B. IETF
• C. native
• D. proprietary

Answer: A

NEW QUESTION # 191
Retef to the exhibit.

An engineer is designing a multiarea OSPF network for a client who also has a large EIGRP domain EIGRP routes are getting redistributed into OSPF ,OSPF area 20 has routers with limited memory and CPU resources The engineer wants to block routes from EIGRP 111 from propagating into area 20 and allow EIGRP 222 routes to How in Which OSPF area type fulfills this design requirement?

• A. area 20 as a stub area
• B. type 3 LSA filtering on the ABR between area 0 area 20
• C. area 20 as a NSSA area
• D. type 5 LSA filtering on the ASBR between EIGRP 111 and area a

Answer: C

NEW QUESTION # 192
Company XYZ has a hub-and-spoke topology over an SP-managed infrastructure. To measure traffic performance metrics, they implemented IP SLA senders on all spoke CE routers and an IP SLA responder on the hub CE router. What must they monitor to have visibility on the potential performance impact due to the constantly increasing number of spoke sites?

• A. interface buffers on the hub and spoke routers
• B. CPU and memory usage on the spoke routers
• C. memory usage on the hub router
• D. CPU usage on the hub router

Answer: D

NEW QUESTION # 193
Refer to the exhibit.

This network is running legacy STP 802.1 d. Assuming "hello_timer" is fixed to 2 seconds, which parameters can be modified to speed up convergence times after single link/node failure?

• A. Only the maximum_transmission_halt_delay and diameter parameters are configurable parameters in
  802. to speed up STP convergence process C. The max_age and forward delay parameters can be adjusted to speed up STP convergence process.
• B. The transit_delay=5 and dpdu_delay=20 are recommended values, considering helto_timer=2 and specified
• C. Only the transit_delay and bpdu_delay timers are configurable parameters in 802.1d to speed up STP convergence process.

Answer: C

NEW QUESTION # 194
VPLS is implemented in a Layer 2 network with 2000 VLANs. What is the primary concern to ensure successful deployment of VPLS?

• A. PE scalability
• B. VLAN scalability
• C. Flooding is necessary to propagate MAC address reachability information
• D. The underlying transport mechanism

Answer: A

NEW QUESTION # 195
A product manufacturing organization is integrating cloud services into their IT solution The IT team is working on the preparation phase of the implementation approach, which includes the Define Strategy step.
This step defines the scope of IT, the application, and the service What is one topic that should be considered in the Define Strategy step?

• A. due diligence and financial scenarios
• B. contingency exit strategy steps
• C. financial and governance models
• D. innovate and align with business according to volume

Answer: C

NEW QUESTION # 196
According to the CIA triad principles for network security design, which principle should be priority for a Zero Trust network?

• A. requirement for data-at-rest encryption foe user identification within the VPN termination hardware
• B. requirement for data-in-motion encryption and 2FA authentication
• C. categorization of systems, data, and enterprise BYOD assets that are connected to network zones based on individual privacy needs
• D. ensuring that authorized users have high-availability system access from defined zones to defined systems or zones

Answer: A

NEW QUESTION # 197
Refer to the exhibit.

There are multiple trees in the Cisco FabricPath All switches in the Layer 2 fabric share the same view of each tree. Which two concepts describe how the multicast traffic is load-balanced across this topology?
(Choose two )

• A. A specific (S.G) multicast traffic is load-balanced across all trees due to better link utilization efficiency.
• B. All trees are utilized at the same level of the traffic rate
• C. A specific (S.G) traffic is not load-balanced
• D. The multicast traffic is generally load-balanced across all trees
• E. Every leaf node assigns the specific (S.G) to the same tree.

Answer: A,B

NEW QUESTION # 198
An enterprise requires MPLS connected branches to access cloud-based Microsoft 365 services over an SD-WAN solution. Internet access Is available only at dual regional hub sites that are connected to the MPLS network. Which connectivity method provides an optimum access method to the cloud-based services If one ISP suffers loss or latency?

• A. Cloud onRamp SaaS
• B. Cloud onRamp gateway site
• C. Cloud onRamp
• D. Cloud onRamp SWG

Answer: A

NEW QUESTION # 199
Company ABC uses IPv4-only. Recently they started deploying new endpoint devices. For operational reasons, IPv6 cannot be disabled on these new endpoint devices. Which security measure prevents the new endpoint from learning an IPv6 prefix from an attacker?

• A. Secure Neighbor Discovery
• B. Router Advertisement Guard
• C. Source Guard and Prefix Guard
• D. Prefix Guard

Answer: B

NEW QUESTION # 200
Drag and drop the multicast protocols from the left onto the current design situation on the right.

Answer:

Explanation:

NEW QUESTION # 201
An existing wireless network was designed to support data traffic only. You must now install context Aware services for location tracking changes must be applied to the existing wireless network to increase the location accuracy? (Chose two)

• A. Install additional access points in monitor mode where the co-channel interference would otherwise be affected
• B. Fine tune the radio configuration of the access point to have a higher average transmission power to achieve better coverage
• C. Use directional antennas to provide more cell overlapping
• D. Add access points along the perimeter of the coverage area.
• E. Increase the access point density to create an average inter-access point distance of less than 40 feet or
  12.2 meters

Answer: B,E

NEW QUESTION # 202
A legacy enterprise is using a Service Provider MPLS network to connect its head office and branches.
Recently, they added a new branch to their network. Due to physical security concerns, they want to extend their existing IP CCTV network of the head office to the new branch, without any routing changes in the network. They are also under some time constraints. What is the best approach to extend the existing IP CCTV network to the new branch, without incurring any IP address changes?

• A. EoMPLS
• B. GRE
• C. VXLAN
• D. L2TPv3

Answer: D

NEW QUESTION # 203
Company XYZ uses an office model where the employees can use any open desk and plug their laptops in. They want to authenticate the end users using their domain username and password before allowing them access to the network. The design must also accommodate the ability of controlling traffic within the same group or subnet if a macro (or micro) segmentation-based model is adopted in the future. Which protocol can be recommended for this design to authenticate end users?

• A. LDAP
• B. TACACS+
• C. RADIUS
• D. EAP

Answer: C

Explanation:
https://www.networkstraining.com/what-is-cisco-ise/

NEW QUESTION # 204
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