Network Performance Optimization MCQs

By: Prof. Dr. Fazal Rehman | Last updated: July 8, 2024

What is the primary goal of network performance optimization? a) Maximizing hardware lifespan b) Minimizing software updates c) Improving network speed, reliability, and efficiency d) Reducing network security risks Answer: c) Improving network speed, reliability, and efficiency Which protocol is commonly used to optimize web traffic and reduce latency by caching frequently accessed content? a) SNMP b) HTTPS c) HTTP/2 d) CDN Answer: d) CDN (Content Delivery Network) What does QoS (Quality of Service) aim to achieve in network performance optimization? a) Prioritizing critical network traffic over less important traffic b) Implementing firewalls for enhanced security c) Monitoring network bandwidth usage d) Restricting access to certain websites Answer: a) Prioritizing critical network traffic over less important traffic Which network device is used to optimize network performance by storing frequently accessed data closer to users? a) Router b) Switch c) Firewall d) Proxy server Answer: d) Proxy server What is the purpose of WAN optimization techniques in network performance? a) To increase local area network (LAN) speed b) To reduce latency and optimize bandwidth usage over wide area networks (WANs) c) To implement network security policies d) To configure network protocols Answer: b) To reduce latency and optimize bandwidth usage over wide area networks (WANs) Which technology enhances network performance by caching copies of web content closer to users? a) VPN b) CDN c) Firewall d) VLAN Answer: b) CDN (Content Delivery Network) What does a proxy server do to improve network performance? a) Filters and blocks unwanted network traffic b) Encrypts network communications c) Stores and caches frequently accessed web content d) Manages IP addressing schemes Answer: c) Stores and caches frequently accessed web content Which network optimization technique reduces the number of requests between a client and a server by combining multiple requests into a single request? a) Content filtering b) Load balancing c) Content caching d) HTTP/2 multiplexing Answer: d) HTTP/2 multiplexing What is the primary purpose of load balancing in network performance optimization? a) To secure network traffic b) To optimize server resource utilization and prevent overload c) To filter malicious content d) To encrypt sensitive data Answer: b) To optimize server resource utilization and prevent overload Which network optimization technique distributes network traffic across multiple servers to improve response times and reliability? a) Content filtering b) Load balancing c) Content caching d) QoS Answer: b) Load balancing What is the purpose of traffic shaping in network performance optimization? a) To improve network security b) To prioritize and control bandwidth usage c) To encrypt network communications d) To filter unwanted web content Answer: b) To prioritize and control bandwidth usage Which technique improves network performance by reducing the amount of data transmitted over the network? a) Data encryption b) Data compression c) Data deduplication d) Data replication Answer: b) Data compression What does WAN acceleration technology primarily focus on in network optimization? a) Reducing LAN latency b) Enhancing network security c) Optimizing data transfer speeds over wide area networks (WANs) d) Implementing QoS policies Answer: c) Optimizing data transfer speeds over wide area networks (WANs) Which network optimization technique reduces packet loss and latency by selecting the fastest network path for data transmission? a) Route summarization b) Path selection c) Bandwidth throttling d) Packet filtering Answer: b) Path selection What is the primary benefit of using caching servers in network performance optimization? a) Enhancing network security b) Reducing server load and improving response times c) Encrypting sensitive data d) Filtering unwanted web content Answer: b) Reducing server load and improving response times Which network optimization technique reduces latency and optimizes bandwidth usage by storing copies of data closer to users? a) Load balancing b) Content filtering c) Content caching d) QoS Answer: c) Content caching What role does a WAN optimizer play in network performance optimization? a) Filtering network traffic based on content b) Accelerating data transfer speeds over wide area networks (WANs) c) Prioritizing VoIP traffic d) Managing DNS servers Answer: b) Accelerating data transfer speeds over wide area networks (WANs) Which technology enhances network performance by combining multiple network connections into a single logical link? a) VLAN b) VPN c) Multipath routing d) Link aggregation Answer: d) Link aggregation What is the primary goal of application acceleration techniques in network optimization? a) To prioritize video streaming traffic b) To improve the performance of specific applications over the network c) To secure email communications d) To filter malicious content Answer: b) To improve the performance of specific applications over the network Which network optimization technique dynamically adjusts the allocation of network resources based on application demands? a) Traffic shaping b) Load balancing c) QoS d) Bandwidth throttling Answer: c) QoS (Quality of Service) What is the primary benefit of using multipath routing in network performance optimization? a) Reducing latency by selecting the shortest path for data transmission b) Improving network security through encryption c) Enhancing server load balancing d) Ensuring high availability and redundancy Answer: d) Ensuring high availability and redundancy Which network optimization technique improves data transfer speeds by compressing and deduplicating data packets? a) WAN optimization b) Data encryption c) Data replication d) Data reduction Answer: d) Data reduction What role does SSL/TLS offloading play in network performance optimization? a) Improving network latency b) Enhancing network security c) Accelerating web application performance d) Prioritizing VoIP traffic Answer: c) Accelerating web application performance Which network optimization technique prioritizes real-time applications such as VoIP and video conferencing? a) Bandwidth throttling b) QoS c) Content caching d) WAN acceleration Answer: b) QoS (Quality of Service) What is the primary goal of bandwidth throttling in network performance optimization? a) To optimize server resource utilization b) To control and limit network bandwidth usage c) To accelerate data transfer speeds d) To enhance network security Answer: b) To control and limit network bandwidth usage Which network optimization technique improves data redundancy and fault tolerance by replicating data across multiple locations? a) Data compression b) Data deduplication c) Data replication d) Data mirroring Answer: c) Data replication What is the primary purpose of latency optimization in network performance? a) To prioritize network traffic based on content b) To reduce delays in data transmission c) To encrypt sensitive data d) To implement firewall policies Answer: b) To reduce delays in data transmission Which technology improves network performance by segmenting and prioritizing network traffic? a) VLAN b) VPN c) Proxy server d) Firewall Answer: a) VLAN (Virtual LAN) What does a network acceleration appliance primarily focus on in network optimization? a) Filtering network traffic based on content b) Enhancing data transfer speeds over WANs c) Prioritizing email communications d) Managing DHCP servers Answer: b) Enhancing data transfer speeds over WANs Which network optimization technique improves data transmission efficiency by reducing the size of data packets? a) Bandwidth throttling b) Data deduplication c) Data compression d) QoS Answer: c) Data compression What role does application delivery optimization play in network performance? a) Accelerating the delivery of web applications and content b) Filtering spam emails c) Prioritizing database transactions d) Managing IP addressing Answer: a) Accelerating the delivery of web applications and content Which network optimization technique provides redundancy and fault tolerance by duplicating network devices and paths? a) Load balancing b) Failover clustering c) Route summarization d) Path selection Answer: b) Failover clustering What is the primary goal of packet shaping in network performance optimization? a) To prioritize real-time traffic b) To filter malicious content c) To enhance server load balancing d) To encrypt network communications Answer: a) To prioritize real-time traffic Which technology improves network performance by securely extending a private network across a public network like the internet? a) VLAN b) VPN c) Proxy server d) Firewall Answer: b) VPN (Virtual Private Network) What role does data deduplication play in network performance optimization? a) Improving data redundancy b) Enhancing data encryption c) Reducing storage and bandwidth requirements d) Accelerating web application performance Answer: c) Reducing storage and bandwidth requirements Which network optimization technique improves network performance by dynamically routing traffic based on network conditions? a) Load balancing b) Path selection c) Content caching d) VLAN segmentation Answer: b) Path selection What is the primary benefit of using WAN optimization techniques in network performance? a) Enhancing LAN speed b) Reducing latency and optimizing bandwidth usage over WANs c) Filtering network traffic based on content d) Managing DNS server configurations Answer: b) Reducing latency and optimizing bandwidth usage over WANs Which network optimization technique improves data availability and disaster recovery by replicating data to remote locations? a) Data compression b) Data deduplication c) Data replication d) Data mirroring Answer: c) Data replication What is the primary goal of SSL/TLS acceleration in network performance optimization? a) Enhancing data encryption b) Accelerating web application performance c) Filtering network traffic d) Managing DHCP servers Answer: b) Accelerating web application performance Which network optimization technique optimizes network performance by prioritizing and managing network traffic based on predefined rules? a) Proxy server b) VLAN segmentation c) QoS d) Firewall Answer: c) QoS (Quality of Service) What does SSL offloading primarily focus on in network performance optimization? a) Enhancing network security b) Accelerating web application performance c) Prioritizing VoIP traffic d) Managing DNS servers Answer: b) Accelerating web application performance Which network optimization technique improves network performance by segmenting and prioritizing network traffic? a) VLAN b) VPN c) Proxy server d) Firewall Answer: a) VLAN (Virtual LAN) What role does WAN acceleration play in network performance optimization? a) Enhancing LAN speed b) Accelerating data transfer speeds over wide area networks (WANs) c) Filtering network traffic based on content d) Managing DNS server configurations Answer: b) Accelerating data transfer speeds over wide area networks (WANs) Which network optimization technique improves data transmission efficiency by reducing the size of data packets? a) Bandwidth throttling b) Data deduplication c) Data compression d) QoS Answer: c) Data compression What is the primary goal of packet shaping in network performance optimization? a) To prioritize real-time traffic b) To filter malicious content c) To enhance server load balancing d) To encrypt network communications Answer: a) To prioritize real-time traffic Which technology improves network performance by securely extending a private network across a public network like the internet? a) VLAN b) VPN c) Proxy server d) Firewall Answer: b) VPN (Virtual Private Network) What role does data deduplication play in network performance optimization? a) Improving data redundancy b) Enhancing data encryption c) Reducing storage and bandwidth requirements d) Accelerating web application performance Answer: c) Reducing storage and bandwidth requirements Which network optimization technique improves network performance by dynamically routing traffic based on network conditions? a) Load balancing b) Path selection c) Content caching d) VLAN segmentation Answer: b) Path selection What is the primary benefit of using WAN optimization techniques in network performance? a) Enhancing LAN speed b) Reducing latency and optimizing bandwidth usage over WANs c) Filtering network traffic based on content d) Managing DNS server configurations Answer: b) Reducing latency and optimizing bandwidth usage over WANs Which network optimization technique improves data availability and disaster recovery by replicating data to remote locations? a) Data compression b) Data deduplication c) Data replication d) Data mirroring Answer: c) Data replication