Chapter 1 Quiz Routing and Switching Essentials Review and

Chapter 1 Quiz: Routing and Switching Essentials Review and Prep

9/11/2013

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Chapter 1 Quiz

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Chapter 1 Quiz Due No due date Points 26 Allowed Attempts Unlimited

Questions 13

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Instructions This quiz covers the content in CCNA R&S Routing & Switching Essentials Chapter 1. It is designed to provide an additional opportunity to practice the skills and knowledge presented in the chapter and to prepare for the Chapter Exam. You will be allowed multiple attempts and the grade does not appear in the gradebook. There are multiple task types that may be available in this quiz. Rather than having static graphics to view, some items may require you to open a PT activity and perform some investigation and configuration of devices before answering the question. NOTE: There are some small differences in how the questions score and operate in the Quiz and how they score and operate in the Chapter Exam. Quizzes allow for partial credit scoring on all item types to foster learning. Points on quizzes can also be deducted for answering incorrectly. This does not occur with the Chapter Exam. Form 27091

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Submitted Sep 11 at 4:25am

Question 1

2 / 2 pts

Which cost-effective physical network topology design is recommended when building a three-tier campus network that connects three buildings?

Correct!

extended star

Refer to curriculum topic: 1.1.1 For efficiency, scalability, and cost-effectiveness, building an extended star topology from a centralized site to all other campus sites is recommended. A mesh topology is much more expensive, and bus and dual ring topologies are more difficult to troubleshoot and maintain.

Question 2

0 / 2 pts

Which statement is true about broadcast and collision domains? You Answered

Adding a router to a network will increase the size of the collision domain.

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Chapter 1 Quiz: Routing and Switching Essentials Review and Prep

9/11/2013

Correct Answer

Adding a switch to a network will increase the size of the broadcast domain.

Refer to curriculum topic: 1.2.2 A switch that receives a broadcast frame will forward the frame out all other interfaces, including interfaces that connect to other switches. These switches will also perform the same forwarding action. By adding more switches to the network, the size of the broadcast domain increases.

Question 3

2 / 2 pts

Which switching mode describes a switch that transfers a frame as soon as the destination MAC address is read?

Correct!

cut-through

Question 4

2 / 2 pts

Which two statements about Layer 2 Ethernet switches are true? (Choose two.)

Correct!

Layer 2 switches have multiple collision domains.

Correct!

Layer 2 switches can send traffic based on the destination MAC address.

Question 5

2 / 2 pts

When the appropriate switch form factor for a network is being determined, what type of switch should be selected when future expansion is important and cost is not a limiting factor?

Correct!

modular switch

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Chapter 1 Quiz: Routing and Switching Essentials Review and Prep

9/11/2013

Refer to curriculum topic: 1.1.2 A modular switch provides fault tolerance and features for bandwidth availability and future expansion by using line cards but is rather costly to implement. Stackable switches provide fault tolerance and bandwidth availability by using special cables between the switches and are less costly to implement than modular switches. A nonstackable switch does not provide these features. A fixed configuration switch is a single switch that does not support features beyond those that originally came with it.

Question 6

2 / 2 pts

Which option correctly describes a switching method?

Correct!

store-and-forward: ensures that the frame is free of physical and data-link errors

Refer to curriculum topic: 1.2.1 Store-and-forward switching performs an error check on an incoming frame after receiving the entire frame on the ingress port. Switches which use this method have the flexibility to support any mix of Ethernet speeds. The cut-through method begins the forwarding process after the destination MAC address of an incoming frame is looked up and the egress port has been determined.

Question 7

0 / 2 pts

Which service is provided by an automated attendant feature on a converged network?

Correct Answer You Answered

call routing IT management interface

Refer to curriculum topic: 1.1.1 The automated attendant feature increases the speed of voice services by routing calls directly to individuals or departments. Point-to-point video and video conferencing describe video services on a converged network. An IT management interface is part of a converged network solution that allows IT personnel to facilitate moves, adds, and changes through a centralized application.

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3/6

Chapter 1 Quiz: Routing and Switching Essentials Review and Prep

Question 8

9/11/2013

2 / 2 pts

Refer to the exhibit. The PC that is attached to port Fa0/1 is sending a packet that has the destination MAC address of 0050.0fae.299c. Based on the current S1 MAC address table, what will S1 do first when the packet arrives at the switch?

Correct!

add the MAC address of the PC that is attached to Fa0/1 to the MAC address table

Refer to curriculum topic: 1.2.1 The first step a switch does when processing a frame is to see if the source MAC address is in the MAC address table. If the address is not there, the switch adds it. The switch then examines the destination MAC address and compares it to the MAC address table. If the address is in the table, the switch forwards the frame out the corresponding port. If the address is missing from the table, the switch will broadcast the frame to all ports except the port through which the frame arrived.

Question 9

2 / 2 pts

What are the three layers of the switch hierarchical design model? (Choose three.) Correct!

access

Correct!

core

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Chapter 1 Quiz: Routing and Switching Essentials Review and Prep

Correct!

9/11/2013

distribution

Refer to curriculum topic: 1.1.1 The access layer is the lowest layer and it provides network access to users. The distribution layer has many functions, but it aggregates data from the access layer, provides filtering, policy control, and sets Layer 3 routing boundaries. The core layer provides high speed connectivity.

Question 10

0 / 2 pts

When an appropriate switch form factor for a network is being determined, what should be selected when fault tolerance and bandwidth availability are desired but the budget is limited? Correct Answer You Answered

stackable switch non-stackable switch

Refer to curriculum topic: 1.1.2 Stackable switches provide fault tolerance and bandwidth availability by using special cables between switches and are less costly to implement than modular switches. A non-stackable switch does not provide these features. A fixed configuration switch is a single switch that does not support features beyond those that originally came with it. A modular switch usually provides fault tolerance and features for bandwidth availability but is rather costly to implement.

Question 11

0 / 2 pts

Which function is supplied by the access layer in a three-layer network design?

Correct Answer You Answered

network access backbone connectivity

Refer to curriculum topic: 1.1.1 The main purpose of devices in the access layer is to supply network access to end users. Distribution layer devices provide services such as routing and policy functions. The core layer provides high-speed backbone connectivity.

Question 12

0 / 2 pts

Which two characteristics describe a converged network? (Choose two.)

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5/6

Chapter 1 Quiz: Routing and Switching Essentials Review and Prep

9/11/2013

Correct!

support of voice and video both using the same switch

You Answered

separate wiring infrastructure for voice and video traffic

Correct Answer

affordability for small and medium businesses

Refer to curriculum topic: 1.1.1 Converged networks have traditional user traffic as well as digitized voice and video traffic that once required separate networks. Now, instead of separate groups managing separate networks, one group of personnel can manage the network.

2 / 2 pts

Question 13

Refer to the exhibit. A switch receives a Layer 2 frame that contains a source MAC address of 000b.a023.c501 and a destination MAC address of 0050.0fae.75aa. Place the switch steps in the order they occur. (Not all options are used.) Correct!

occurs first

The switch adds the source MAC address

Correct!

occurs second

Because the destination is not

Other Incorrect Match Options: Because the source MAC address is not known, the switch broadcasts the frame out all ports except the port through which the frame arrived. The switch adds the destination MAC address to the MAC address table. The switch drops the frame.

Refer to curriculum topic: 1.2.1 The first step a switch does when processing a frame is to see if the source MAC address is in the MAC address table. If the address is not there, the switch adds it. The switch then examines the destination MAC address and compares it to the MAC address table. If the address is in the table, the switch forwards the frame out the corresponding port. If the address is missing from the table, the switch will forward the frame to all ports except the port through which the frame arrived.

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