Lecture 6- Transport layer and QOS Quiz

Which transport layer protocol is known for its reliable communication and ordered delivery of data?

• a) TCP
• b) UDP
• c) HTTP
• d) ICMP

What is the main advantage of UDP over TCP?

• a) Lower latency
• b) Error detection and retransmission
• c) Flow control
• d) Ordered delivery of data

Which TCP feature is responsible for controlling the rate of data flow to avoid network congestion?

• a) Error detection
• b) Retransmission
• c) Flow control
• d) Congestion control

Which QoS mechanism is used to assign priorities to different types of traffic?

• a) Traffic shaping
• b) Congestion control
• c) Traffic prioritization
• d) Resource reservation

What is the purpose of traffic engineering in managing latency and jitter?

• a) To allocate more bandwidth for specific applications
• b) To minimize buffering in video streaming
• c) To control the rate of data flow to avoid congestion
• d) To optimize the path and resources for specific traffic types

Which QoS technique is used to ensure timely delivery of time-sensitive traffic, such as VoIP?

• a) Forward error correction
• b) Bandwidth allocation
• c) Jitter management
• d) Traffic prioritization

What is the effect of packet loss on application performance?

• a) Increased latency
• b) Improved bandwidth utilization
• c) Reduced data transmission speed
• d) Degraded audio or video quality

Which QoS mechanism is used to reserve network resources in advance for specific traffic?

• a) Traffic shaping
• b) Congestion control
• c) Resource reservation
• d) Traffic prioritization

Which QoS model provides different levels of service based on traffic classification?

• a) DiffServ
• b) MPLS
• c) IPSec
• d) VLAN

What are the benefits of DiffServ in managing network resources efficiently?

• a) Lower latency and jitter
• b) Reduced packet loss
• c) Improved scalability and flexibility
• d) Enhanced security and encryption