Which queuing algorithm provides fair bandwidth allocation to all network traffic?

C) Class-Based Weighted Fair Queuing (CBWFQ)

Which queuing algorithm extends the functionality of WFQ to support user-defined traffic classes?

C) Class-Based Weighted Fair Queuing (CBWFQ)

Which QoS model provides an "almost guaranteed" QoS while still being cost-effective and scalable?

C) Differentiated services (DiffServ)

B) Integrated services (IntServ)

Which QoS model explicitly manages network resources to provide QoS to individual flows or streams?

B) Integrated services (IntServ)

C) Differentiated services (DiffServ)

Which QoS model divides network traffic into classes based on business requirements and assigns different levels of service to each class?

C) Differentiated services (DiffServ)

B) Integrated services (IntServ)

Which category of QoS tools helps to monitor network traffic loads and anticipate congestion at network bottlenecks?

A) Classification and marking tools

What is the purpose of classification and marking in QoS implementation?

C) To identify and mark types of packets

A) To buffer and queue excess traffic

B) To monitor network traffic loads

Which mechanism provided by Cisco IOS QoS software is used to prevent congestion by managing the rate of traffic?

A) Weighted random early detection (WRED)

What is one of the main requirements for all enterprise networks?

a) Support for critical applications

b) Support for a single type of network traffic

c) Support for limited business needs

d) Decentralized administrative control

How is a campus network created?

b) By connecting LANs that are spread over a small geographic area

a) By connecting LANs that are spread over a large geographic area

c) By connecting WANs that are spread over a small geographic area

d) By connecting LANs and WANs together in a single network

What is the purpose of a LAN in a network infrastructure?

c) To provide access to network communication services and resources for end users and devices

a) To provide centralized administrative control

b) To support diverse business needs

d) To support a specific type of network traffic, such as video applications

What is the main purpose of the Cisco Borderless Network architecture?

d) To connect anyone, anywhere, anytime, on any device securely

a) To simplify network operations

b) To support a specific type of network traffic

c) To provide centralized administrative control

What does the Cisco Borderless Network architecture unify?

b) Hardware and software components

d) Network management and security protocols

How is the borderless network infrastructure described in the text?

a) Hierarchical, scalable, and resilient

d) Device-centric and distributed

What is the purpose of designing a borderless switched network in a hierarchical fashion?

a) To simplify deployment, operation, and management

b) To maximize network availability and security

c) To ensure seamless network expansion

d) To facilitate intelligent traffic load sharing

What are the three critical layers in the tiered design frameworks for campus networks?

a) Access, distribution, and core layers

b) User, server, and management layers

c) Firewall, router, and switch layers

d) Physical, data link, and network layers

What is the primary function of an access layer switch?

b) Provide network access to the user

a) Implement network foundation technologies

c) Connect to distribution layer switches

d) Enable efficient and secure network operations for applications

What are the important functions of the distribution layer in a network?

a) Aggregating large-scale wiring closet networks

b) Aggregating Layer 2 broadcast domains and Layer 3 routing boundaries

c) Providing intelligent switching, routing, and network access policy functions

What is scalability in the context of a network?

a) The ability of a network to grow without losing availability and reliability

b) The ability of a network to handle high-speed data transfer

c) The ability of a network to provide secure connections

d) The ability of a network to support multiple protocols

What is a recommended approach for enabling network scalability?

b) Designing a hierarchical network with expandable modules

a) Using static IP addresses for all devices

c) Implementing a flat network structure with no segmentation

d) Using Layer 2 switches for all network devices

How can routers or multilayer switches contribute to network scalability?

a) By limiting broadcast traffic and filtering unwanted traffic

b) By providing faster data transfer speeds

c) By automatically assigning IP addresses to devices

d) By increasing the number of available network ports

What is the purpose of redundancy in network design?

c) To minimize the possibility of a single point of failure

a) To increase network speed and data transfer rates

b) To prevent unauthorized access to the network

d) To simplify network management and configuration

What is one method of implementing redundancy in network design?

b) Implementing redundant paths to provide alternate physical paths for data

a) Using Layer 2 switches for all network devices

c) Assigning static IP addresses to all devices on the network

d) Configuring firewalls to filter network traffic

What is the role of Spanning Tree Protocol (STP) in network design?

c) To eliminate Layer 2 loops and disable redundant paths in a switched network

a) To increase network security and prevent unauthorized access

b) To prioritize network traffic based on Quality of Service (QoS) settings

d) To automatically assign IP addresses to devices on the network

What is the purpose of limiting the size of failure domains in a network design?

d) To minimize the impact of failures on network productivity

a) To reduce network costs and simplify troubleshooting

b) To increase network speed and data transfer rates

c) To prevent unauthorized access to the network

What is the benefit of deploying routers or multilayer switches in pairs within a switch block?

d) It provides redundancy and prevents network downtime.

a) It increases network scalability and capacity.

b) It simplifies network management and configuration.

c) It prevents unauthorized access to the network.

What is the purpose of link aggregation in hierarchical network design?

c) To create a logical link with increased bandwidth

a) To reduce the number of physical links between devices

b) To increase the security of network connections

d) To improve the scalability of network devices

How does EtherChannel utilize existing switch ports?

b) By aggregating multiple physical links into one logical link

a) By upgrading the switch ports to faster and more expensive connections

c) By dividing the switch ports into separate VLANs

d) By implementing load balancing methods on individual switch ports

What advantage does EtherChannel provide in terms of configuration consistency?

b) It eliminates the need for configuration tasks on each individual port.

a) It allows for individual port configurations for better customization.

c) It automatically adjusts configuration settings based on network traffic.

d) It simplifies the process of upgrading switch ports.

What is a required component for end devices to communicate wirelessly?

c) Network interface card (NIC)

What are some considerations when implementing a wireless network?

d) Wireless coverage, interference, and security

a) Wired connectivity requirements and device compatibility

b) Network topology and routing protocols

c) Power supply options and backup systems

Which routing protocol is mentioned as suitable for large hierarchical networks?

c) Open Shortest Path First (OSPF)

a) Border Gateway Protocol (BGP)

b) Enhanced Interior Gateway Routing Protocol (EIGRP)

d) Routing Information Protocol (RIP)

How do OSPF routers handle network changes?

b) By establishing and maintaining neighbor adjacencies

a) By broadcasting the changes to all routers in the network

c) By updating the routing tables immediately

d) By sending periodic updates to all connected devices

What does a physical network topology diagram primarily represent?

b) The physical layout and connections of devices on the network

a) The logical connections between network devices

c) The performance statistics of network devices

d) The IP addresses assigned to network devices

Enterprise Module 9-12 review

Authored by Angel Martinez

Computers

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60 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is one of the effects of congestion on a network?

A) Increased packet processing speed

B) Reduced packet loss

C) Delayed packet transmission

D) Improved queuing mechanisms

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What can happen to packets in a congested network?

A) They are processed in the order they were received.

B) They are prioritized based on their size.

C) They are dropped by network devices.

D) They are transmitted immediately without delay.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the purpose of classifying data into multiple queues in QoS?

A) To prioritize real-time and interactive traffic over other types of data.

B) To increase the overall network bandwidth.

C) To reduce the queuing delay for all types of data.

D) To eliminate delay and jitter in the network.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is one of the main characteristics of video traffic?

A) Low sensitivity to drops and delays

B) Minimal bandwidth requirements

C) Bursty and greedy nature

D) Reliance on TCP applications

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the recommended maximum latency and jitter values for voice traffic?

A) Latency: 400 ms, Jitter: 50 ms

B) Latency: 150 ms, Jitter: 30 ms

C) Latency: 30 ms, Jitter: 1 ms

D) Latency: 384 ms, Jitter: 1 ms

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is one factor that distinguishes data traffic from voice and video traffic?

A) Sensitivity to drops and delays

B) Reliance on UDP ports

C) Usage of at least 384 Kbps bandwidth

D) Consideration of Quality of Experience (QoE)

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which queuing algorithm buffers and forwards packets in the order of their arrival?

A) Weighted Fair Queuing (WFQ)

B) Class-Based Weighted Fair Queuing (CBWFQ)

C) First-In, First-Out (FIFO)

D) Low Latency Queuing (LLQ)

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