DELL-EMC DEA-5TT2 Associate - Networking Exam Free Practice Test — 30 Questions

Question 1

In a network documentation scenario, a network administrator is tasked with creating a comprehensive report on the performance metrics of a newly deployed router over a month. The report must include metrics such as throughput, latency, and packet loss, and should also compare these metrics against the predefined service level agreements (SLAs). If the throughput measured is 150 Mbps, the latency is 20 ms, and the packet loss is 0.5%, while the SLAs specify a minimum throughput of 100 Mbps, a maximum latency of 30 ms, and a maximum packet loss of 1%, which of the following conclusions can be drawn from the report regarding the router\'s performance?

Accepted Answer

The router meets all the specified SLAs.

Question 2

In a corporate network, a network engineer is tasked with designing a solution to improve the performance and reliability of data transmission between multiple branch offices and the central data center. The engineer decides to implement a combination of routers and switches, utilizing VLANs to segment traffic. Given that the total bandwidth available for each branch office is 1 Gbps, and the engineer anticipates that each branch will have an average of 50 devices connected, what is the maximum number of devices that can be supported per VLAN without exceeding 80% of the available bandwidth?

Accepted Answer

40 devices

Question 3

In a corporate environment, an incident involving a data breach has occurred. The IT security team is tasked with documenting the incident for compliance and future reference. Which of the following elements is most critical to include in the incident documentation to ensure a comprehensive understanding of the breach and its implications for the organization?

Accepted Answer

A detailed timeline of events, including the detection, response, and resolution phases of the incident

Question 4

In a corporate network, a network administrator is tasked with segmenting the network into multiple Virtual LANs (VLANs) to improve security and performance. The company has three departments: HR, Finance, and IT. Each department requires its own VLAN to ensure that sensitive data is isolated. The administrator decides to implement VLAN tagging using IEEE 802.1Q. If the network switch supports a maximum of 4096 VLANs, and the administrator assigns VLAN IDs 10, 20, and 30 to HR, Finance, and IT respectively, how many VLANs are still available for future use after these assignments?

Accepted Answer

4093

Question 5

In a corporate environment, a company is evaluating the implementation of a new cloud-based networking solution to enhance its operational efficiency. The IT team has identified several potential benefits and challenges associated with this transition. Which of the following accurately reflects a primary benefit of adopting a cloud-based networking solution while also addressing a significant challenge that may arise during its implementation?

Accepted Answer

Enhanced scalability and potential data security concerns

Question 6

In a corporate environment, a network administrator is tasked with designing a network topology that maximizes redundancy and minimizes the risk of a single point of failure. The administrator considers various topologies, including star, ring, and mesh. Given the need for high availability and fault tolerance, which topology would best suit the requirements of this organization, and what are the implications of choosing this topology in terms of cost, complexity, and performance?

Accepted Answer

Mesh topology

Question 7

A network administrator is troubleshooting a situation where users are experiencing intermittent connectivity issues to a critical application hosted on a server. The server is located in a different subnet than the users. The administrator checks the routing table and finds that the routes are correctly configured. However, users report that the application sometimes responds slowly or times out. What could be the most likely cause of this issue?

Accepted Answer

Network congestion due to excessive broadcast traffic

Question 8

In a telecommunications environment, a service provider is implementing Network Functions Virtualization (NFV) to enhance its service delivery and reduce operational costs. The provider is considering the deployment of virtualized network functions (VNFs) across multiple data centers to ensure high availability and load balancing. Given the need for efficient resource allocation and management, which of the following strategies would best optimize the performance of the VNFs while maintaining service level agreements (SLAs)?

Accepted Answer

Implementing a centralized orchestration platform that dynamically allocates resources based on real-time demand and performance metrics.

Question 9

A company has been allocated the IP address block 192.168.1.0/24 for its internal network. They plan to segment this network into multiple subnets to improve security and performance. If the company decides to create 4 subnets, what will be the new subnet mask, and how many usable IP addresses will each subnet have?

Accepted Answer

Subnet mask: 255.255.255.192; Usable IPs: 62

Question 10

In a network transitioning from IPv4 to IPv6, a company is evaluating the impact of dual-stack implementation on its existing infrastructure. The network currently uses a Class C IPv4 address space, which allows for 256 addresses. The company plans to implement IPv6 alongside IPv4 to ensure compatibility with modern applications. If the company has 50 devices that require unique IP addresses and anticipates a growth of 20% in the next year, how many additional IPv6 addresses will they need to allocate to accommodate future growth, considering that IPv6 allows for a vastly larger address space?

Accepted Answer

10

Question 11

In a corporate environment, a network administrator is evaluating different network topologies to implement in a new office building. The administrator is particularly concerned about the reliability and scalability of the network as the company plans to expand in the next few years. Considering the advantages and disadvantages of various topologies, which topology would provide the best balance of reliability and ease of troubleshooting while allowing for future expansion without significant reconfiguration?

Accepted Answer

Star Topology

Question 12

In a corporate network, a system administrator is tasked with configuring Network Time Protocol (NTP) to ensure that all devices within the network synchronize their clocks accurately. The network consists of multiple subnets, and the administrator decides to implement a hierarchical NTP structure with a primary NTP server and several secondary servers. If the primary server is configured to synchronize with an external time source that has a drift of ±10 milliseconds, what is the maximum allowable drift for the secondary servers to maintain synchronization within the network, assuming the administrator wants to ensure that the total drift does not exceed ±50 milliseconds across the entire hierarchy?

Accepted Answer

±40 milliseconds

Question 13

In a network troubleshooting scenario, a network engineer is analyzing a communication issue between two devices that are unable to exchange data. The engineer suspects that the problem lies within the OSI model\'s layers. If the devices are capable of sending and receiving data packets but are unable to establish a connection, which layer of the OSI model is most likely responsible for this issue, and what might be the underlying cause?

Accepted Answer

Transport Layer

Question 14

In a network management scenario, a network administrator is tasked with monitoring the performance of various devices using SNMP. The administrator needs to configure SNMP to collect specific metrics such as CPU usage, memory utilization, and network traffic. Given that the devices support SNMPv2c, which of the following configurations would best ensure efficient data collection while minimizing network overhead?

Accepted Answer

Set the SNMP polling interval to 5 minutes and enable SNMP traps for critical events.

Question 15

In a corporate network, a system administrator is tasked with configuring Network Time Protocol (NTP) to ensure that all devices synchronize their clocks accurately. The administrator decides to set up an NTP server that will act as a stratum 2 server, which will synchronize with an external stratum 1 server. If the stratum 1 server has a round-trip delay of 50 milliseconds and the stratum 2 server has a round-trip delay of 100 milliseconds, what is the maximum allowable offset for the stratum 2 server to maintain synchronization with the stratum 1 server, considering the NTP specification that recommends an offset of no more than 128 milliseconds for reliable synchronization?

Accepted Answer

128 milliseconds

Question 16

In a network design scenario, a company is implementing a new application that requires reliable communication between devices across different subnets. The application relies on the TCP/IP model for its operations. Which layer of the TCP/IP model is primarily responsible for ensuring that data packets are delivered reliably and in the correct order, while also managing flow control and error correction?

Accepted Answer

Transport Layer

Question 17

In a corporate environment, a network administrator is tasked with implementing a secure communication protocol for transmitting sensitive data between remote offices. The administrator must choose a protocol that not only encrypts the data but also ensures integrity and authentication. Which protocol would best meet these requirements while providing a robust framework for secure communications over the internet?

Accepted Answer

Transport Layer Security (TLS)

Question 18

In a corporate environment, a network administrator is tasked with implementing a Network Access Control (NAC) solution to enhance security. The NAC system must ensure that only compliant devices can access the network. The administrator decides to use a combination of 802.1X authentication and endpoint compliance checks. If a device fails the compliance check, it is placed in a quarantine VLAN with limited access. What is the primary benefit of using this NAC approach in terms of network security?

Accepted Answer

It ensures that only devices meeting security policies can access the network.

Question 19

In a smart city environment, various IoT devices are deployed to monitor traffic flow and optimize energy consumption. A city council is analyzing the data collected from these devices to improve urban planning. If the average data transmission rate from each IoT device is 500 kbps and there are 200 devices transmitting data simultaneously, what is the total data transmission rate in Mbps? Additionally, if the city council wants to ensure that the total data does not exceed 1 Gbps to maintain network efficiency, how much additional bandwidth would be required to accommodate the current data transmission rate?

Accepted Answer

0.1 Gbps

Question 20

In a multi-layered network architecture, consider a scenario where a data packet is being transmitted from a source device to a destination device across various network layers. Each layer has specific functions that contribute to the overall communication process. If the packet encounters issues at the transport layer, which of the following functions is most likely to be affected, leading to potential data loss or corruption during transmission?

Accepted Answer

Ensuring reliable data transfer through error detection and correction mechanisms

Question 21

In a multinational corporation, the IT department is tasked with ensuring compliance with various data protection regulations, including the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA). The company collects personal data from customers across different jurisdictions. If a data breach occurs, which of the following actions should the IT department prioritize to mitigate the impact and ensure compliance with these regulations?

Accepted Answer

Notify affected individuals and relevant authorities within the stipulated timeframes as per GDPR and CCPA requirements.

Question 22

In a software development project, a team is deciding between Agile and Waterfall methodologies. They are tasked with developing a mobile application that requires frequent updates based on user feedback. Given the nature of the project, which methodology would be more suitable for accommodating changes and iterative development? Additionally, consider the implications of each methodology on project timelines and stakeholder engagement.

Accepted Answer

Agile methodology

Question 23

In a corporate network, a network administrator is tasked with optimizing the performance of a multi-tier application that relies on a distributed architecture. The application consists of a web server, application server, and database server, each located in different subnets. The administrator notices that the response time for database queries is significantly higher than expected. To address this, the administrator decides to implement a network management solution that includes Quality of Service (QoS) policies. Which of the following strategies would most effectively enhance the performance of the database queries while ensuring minimal disruption to other network services?

Accepted Answer

Implementing traffic shaping to prioritize database query packets over other types of traffic.

Question 24

In a corporate network, a company is implementing a new communication strategy that involves sending data packets to different groups of devices. The network administrator needs to decide which addressing type to use for various scenarios. If the administrator wants to send a message to a specific device, a group of devices, and also to a single device among a group of potential recipients, which addressing types should be utilized for each scenario?

Accepted Answer

Unicast for the specific device, multicast for the group of devices, and anycast for the single device among a group

Question 25

In a network design scenario, a company is evaluating different topologies to optimize data transmission efficiency and fault tolerance. They are considering a star topology, a ring topology, a bus topology, and a mesh topology. If the company has 10 devices that need to be interconnected, which topology would provide the best fault tolerance and minimal impact on the network if one device fails? Additionally, consider the implications of scalability and maintenance costs associated with each topology.

Accepted Answer

Mesh topology

Question 26

In a corporate office environment, a network administrator is tasked with optimizing the wireless network coverage across multiple floors of a building. The administrator decides to deploy several access points (APs) to ensure seamless connectivity. Each access point has a maximum coverage radius of 30 meters in an open area. If the building has a total area of 3,600 square meters and the floors are 3 meters high, how many access points are required to achieve full coverage, assuming that the coverage of each AP does not overlap and that the layout is rectangular?

Accepted Answer

40

Question 27

In a scenario where a client wants to establish a TCP connection with a server, the client sends a SYN packet to initiate the connection. The server, upon receiving this packet, responds with both a SYN and an ACK packet. If the client then sends an ACK packet back to the server, what is the state of the TCP connection after this three-way handshake is completed, and what implications does this have for data transmission?

Accepted Answer

The TCP connection is established and ready for data transmission.

Question 28

A company is planning to upgrade its network infrastructure to support higher bandwidth applications, such as video conferencing and cloud services. The existing network consists of multiple VLANs segmented by a Layer 3 switch. The network administrator is concerned about the impact of this upgrade on the current VLAN configuration and overall network performance. Which of the following considerations should the administrator prioritize to ensure a smooth transition while minimizing disruption to existing services?

Accepted Answer

Assessing the current VLAN traffic patterns and determining if any VLANs are overutilized or underutilized before implementing the upgrade.

Question 29

In a corporate environment, a company implements a new data protection strategy to enhance its Confidentiality, Integrity, and Availability (CIA) framework. The strategy includes encryption of sensitive data, regular integrity checks, and a robust backup system. After a security audit, the company discovers that while the encryption effectively protects data confidentiality, the integrity checks are not being performed regularly, and the backup system has not been tested in over a year. Given this scenario, which aspect of the CIA triad is most compromised, and what immediate action should the company take to rectify the situation?

Accepted Answer

Integrity; implement a scheduled integrity check process and conduct regular testing of the backup system.

Question 30

In a network performance analysis, a network engineer measures the latency and jitter of a VoIP application over a period of time. The engineer records the following round-trip times (RTT) in milliseconds: 30, 32, 31, 29, 35, 33, 30, 31, 34, and 30. Calculate the average latency and the jitter of the recorded RTT values. Based on the calculated values, which of the following statements is true regarding the network performance for VoIP applications?

Accepted Answer

The average latency is 31 ms, and the jitter is 2.5 ms, indicating acceptable performance for VoIP.

DELL-EMC DEA-5TT2 Associate - Networking Exam Free Practice Test — 30 Questions

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